Personal Web Page: https://sites.google.com/view/sandeep-research-group/home?authuser=0

• Rare-earth Free Exchange Coupled Hard-soft Bilayer (MnAl, MnBi) Thin Film Based Permanent Magnets 

• Thin films of Binary (Co-Tb) and Ternary (FePtCo, FePtNi, CoTbNi) Alloys for high-density Magnetic Storage Devices

• Thin Films of Bit Patterned Media (Co/Pt, Co-Tb and Co/Ni) for high-density Magnetic Storage Devices

• Thin films of  Spin Valve Structure (CoTb/Cu/CoTb; Co/Ni/Cu) for Magnetic Sensors

• Non-magnetic element  (Li, Na, K, Ag, Mg, Sb) doped oxides (SnO2, TiO2, ZrO2, ZnO) for Spintronics Applications

• Monovalent doped perovskite (Manganites /Cobaltites) towards Multiferroics

• 2D Nano-structured materials for various magneto-electronics applications

• Dean, Research and Development, CIT Kokrajhar, (24-07-2024 to present)
• Dean, Research and Development, CIT Kokrajhar, (01-09- 2017 to 31-08-2020)
• Head, Department of Physics, CIT Kokrajhar, Assam, India (31-07-2017  to 31-08-2020)
• Member, Senate CIT Kokrajhar, (31-07-2021 to 30-07-2023)
  
  
• Faculty-in-charge, International Affairs (19-01- 2021 to 10-08-2021)
• Coordinator, Department of Physics, CIT Kokrajhar, Assam, India (22-07-2016 to 30-07-2017)
• Faculty In-charge Research & Development, CIT Kokrajhar, Assam, India (30-09-2015 to 30-07- 2017)
• Coordinator, IQAC Cell, CIT Kokrajhar, Assam, India (07-02- 2017 to 30-08- 2017)
• Member of Industry Institution Partnership Cell (IIPC)  (07-02- 2017 to 30-08-2017)
• Member of Institutional Project Comittee for AICTE-NEQIP (12-09-2016   to 30 August, 2017)
• Member of the committee for the Proposal of “Deemed-to-be University” for CIT Kokrajhar, Assam

[3] R. K. Basumatary, R. Brahma, S. K. Srivastava, Surface Topography and Surface Roughness Study of CoTbNi Alloy Thin Films using 3D Optical Profilometer, Recent Trends in Physics Research ( A Proceedings of XIII Biennial National Conference of Physics Academy of North East, Pane-2022), Page No.: 42-46,

Publisher: Allied Publishers Pvt. Ltd. (ISBN: 978-93-90951-66-6), Published in 2023.

[2] L. Chouhan, S. K. Srivastava, Magnetism of Zirconium Dioxide (ZrO2), in: Parmod Kumar, Jitendra Pal Singh, Vinod Kumar (Eds.), Defect Induced Magnetism in Oxide Semiconductors, Elsevier (ISBN:  9780323909075), published on 10 May 2023. (DoI Link)ation
Date: 

[1] M. Dubey, V. C. Navakanth, M. Joshi, R.  Kumar, S.K. Srivastava, (2022). Photocatalytic Degradation of 

Chlorobenzene Using Easily Recoverable Fe3O4/OMS-2 Nanocomposite. In: Jain, V.K., Gomes, C., Verma, A. (eds) Renewable Energy and Storage Devices for Sustainable Development. Springer Proceedings in Energy. Springer, Singapore.  (DoI Link) 

[83] Effect of Post Annealing on the Structural and Magnetic Properties of  (Fe0.4Pt0.6)1−xCox Ternary Alloy Thin Films  
      N. Deka, D. Rajbanshi, D. Maji,  J. P. Borah, S. Ravi, S. K. Srivastava
      Surfaces and Interfaces   75 (2025) 107853  DoI Link [IF=6.3] Q1 Journal

[82] Exchange Coupled Rare-earth Free Hard-soft Bilayer Thin Film Based Permanent Magnets
D. Rajbanshi, N. Deka, S. Sarkar, S. K. Srivastava
Journal of Alloys and Compounds  1037 (2025) 182388 DoI Link) [IF=6.371] Q1 Journal

[81] Recent Developments in Non–magnetic Elements co–doped Semiconducting oxides
      K. K. Singha, L. Chouhan, S. K.Srivastava
        Solid State Communications  404 (2025) 116040  (DoI Link)  [IF=2.1] Q2 Journal

[80] Low temperature magnetic characteristics of Nd1-xAgxMnO3 compounds 
          S. K.Srivastava
Journal of Materials Science: Materials in Electronics 36 (2025) 1015   (DoI Link) [IF=2.779] Q2  Journal

[79] Influence of Sb/Ag doping on dielectric, resistivity, current–voltage and magnetic characteristics of SnO2 compounds"
      K. K. Singha, S. K.Srivastava
      Next Materials 8 (2025) 100692 (DoI Link)  [CS=1.9] Q3 Journal 

 [78] Influence of Sb Doping on Electrical and Magnetic Properties of SnO2 Compounds
      K. K. Singha, S. K.Srivastava
       Solid State Communications  401 (2025), 115936  (DoI Link)  [IF=2.1] Q2 Journal 

[77] Role of Surface Roughness on Resistive Switching and Diode Effect in DC Sputtered CoTb/Cu/CoTb Spin Valve Films
          D. Rajbanshi, S. Sarkar, B. Brahma, S. K. Srivastava
           Journal of Electronic Materials  54 (2025) 4130 (DoI Link) [IF=2.2] Q2 Journal 

[76] Magnetic properties and I‐V characteristics of DC magnetron sputtered [Co (0.2 nm)/Ni (0.4 nm)]10 thin films
  S. Sarkar R. Hussain, D. Rajbanshi, S. K. Srivastava
  MetalMat. 1 (2024) e29, Wiley Publication (DoI Link)    Q3 Journal

[75] Effect of Mg/Ag co-doping on Crystal Structure, Optical, and Transport Properties of SnO2 Compound
      K. K. Singha, R. Chakravarty, B. N. Parida, K. J. Goswami, N. Sen Sarma, M. Gupta, D. Kumar, S. K. Srivastava            
      Ceramics International 50 (2024) 42363-42376,  (DoI Link)   [IF=5.1] Q1 Journal 

[74] Influence of Al doping on Crystal Structure, Magnetic and Optical properties of TiO2 Compound
            B. Dey, R. Narzary, S. Ravi, S. K. Srivastava
          Journal of Physics and Chemistry of Solids 194 (2024) 112225    (DoI Link)   [IF=4.3] Q2 Journal

[73] Dielectric, Resistivity and Current-Voltage Characteristics of Magnesium Doped Tin Oxide for Optoelectronics Application
K. K. Singha, S. K.Srivastava
Journal of Materials Science: Materials in Electronics 35 (2024)  1471 (DoI Link) [IF=2.779] Q2  Journal

[72] Effect of Co doped BCT on structural, microstructural, dielectric, and multiferroic properties
R.K. Basumatary, K.K. Singha, S. Sen, B.N. Parida, M.D. Ganesh, D. Pamu, S. K. Srivastava, R. Brahma
Ceramics International 50 (2024) 36306-36319,  (DoI Link)   [IF=5.1] Q1 Journal

[71] Influence of Surface Roughness on Magnetic Property of Magnetron Sputter Deposited FePtCo films
R K Basumatary, H. Basumatary , M. M. Raja, R. Brahma, S. K. Srivastava
Materials Research Innovations, 28 (2024) 421–432  (DoI Link)   Q2 Journal

[70] Room temperature ferromagnetism, optical band gap widening in Mg-doped ZnO compounds for spintronics application
B. Dey, R. Narzary, Sushree Nibedita Rout, Manoranjan Kar, S. Ravi, S. K. Srivastava
Ceramics International 49 (2023)  35860   (DoI Link)   [IF=5.2] Q1 Journal

[69] Crystal Structure, Micro-structure, Raman Spectroscopy, Optical, Magnetic, and Electrical Property of Sn0.94-yAg0.06SbyO2 Compounds
R. Narzary, S. Ravi, S. K. Srivastava
Applied Physics A 129 (2023) 630  (DoI Link) [IF=2.7] Q2 Journal

[68] Investigations of Structural, Optical and Transport Property of Sb-doped SnO2 Compounds for Optoelectronics Application
K. K. Singha, A. Mondal,  M. Gupta, V. G. Sathe, D. Kumar, S. K. Srivastava
Optik 288 (2023) 171210    (DoI Link) [IF=3.1] Q2 Journal

[67] Impact of Sb/Ag co-doping on SnO2’s Optical, Transport, and Crystallographic Properties for Optoelectronic Devices
  K. K. Singha, A. Mondal,  M. Gupta, V. G. Sathe, D. Kumar, S. K. Srivastava
  Journal of Materials Science: Materials in Electronics 34 (2023) 1421 Accepted (DoI Link) [IF=2.779] Q2 Journal

[66] Crystal Structure, Raman Spectroscopy and Optical Property Study of Mg-doped SnO2 Compounds for Optoelectronic Devices
            K. K. Singha, P. P. Singh, R.Narzary, A. Mondal, M. Gupta, V. Sathe, D. Kumar, S. K. Srivastava
        Crystals 13 (2023) 932(DoI Link) [IF=2.67] Q2 Journal

[65] Tuning Magnetic Properties of FePtCo Ternary Alloy Thin Films for Magnetic Storage Device Application
            R. K. Basumatary, H. Basumatary, M. M. Raja, R. Brahma, S. K. Srivastava
            Journal of Alloys and Compounds  955 (2023) 170313) (DoI Link) [IF=6.2] Q1 Journal

[64] Room Temperature d0 Ferromagnetism of Ag:ZnO Compounds
            B.Dey, Jyotirekha Mallick, Manoranjan Kar, S. K. Srivastava
            Journal of Superconductivity and Novel Magnetism, 36  (2023) 657  (DoI Link) [IF=1.8] Q3 Journal

[63]  Influence of Surface Roughness on Magnetic Properties of CoTbNi Ternary Alloy Films
             R. Basumatary, P. Behra,  B. Basumatary, B. Brahma, S. Ravi, R. Brahma, S. K. Srivastava
            Micro and Nanostructures 174 (2023) 207491 (DoI Link)  [IF: 3.22]     Q1 Journal

[62] Influence of K/Mg co-doping in tuning room temperature d0 ferromagnetism, optical and transport properties of ZnO compounds for spintronics applications
R. Narzary, B. Dey, Sushree Nibedita Rout, A. Mondal, G. Bouzerar, Manoranjan Kar, S. Ravi, S. K. Srivastava
J. of Alloys and Compounds 934 (2023) 167874  (DoI Link)   [IF=6.2] Q1 Journal

[61] Observation of room temperature d0 ferromagnetism, bandgap narrowing, zero dielectric loss, dielectric enhancement in highly transparent p-type Na-doped rutile TiO2 compounds for spintronics applications
B.Dey, Shantanu Kumar Panda, Jyotirekha Mallick, Santanu Sen, B.N.Parida, A. Mondal, Manoranjan Kar, S. K. Srivastava
J. of Alloys and Compounds 930 (2023) 167442. (DoI Link) [IF=6.2] Q1 Journal

[60] Influence of Na/Mg co-doping in tuning microstructure, transport, optical and magnetic properties of TiO2 compounds for spintronics applications
R. Narzary, B. Dey, S. Sen, B. N. Parida, A. Mondal, S. Ravi, S. K. Srivastava
Magnetochemistry 8 (2022) 150  (DoI Link)  [IF=2.7] Q2 Journal

[59] Role of Anatase/Rutile Phases inTuning the Magnetic, Optical and Dielectric Properties of Mg-Doped TiO2Compounds
L. Chouhan, S. K. Srivastava
Journal of Superconductivity and Novel Magnetism, 35 (2022) 3807 (DoI Link) [IF=1.8] Q3

[58] Crystal structure, microstructure, optical, dielectric, and magnetic properties of TiO2nanoparticles
B. Dey, S. K. Srivastava
Journal of Materials Science: Materials in Electronics 33 (2022) 23506 (DoI Link) [IF=2.779] Q2 Journal

[57] ZnO/ α-MnO2 hybrid 1D nanostructure based sensor for point-of-care monitoring of chlorinated phenol in drinking water
M. Dubeya, R. Kumar, S. K. Srivastava, A. Verma, A. Mathure, V. Chawla, Horst-Günter Rubahng, M. Joshi, Y K. Mishra
Materials Today Chemistry 26 (2022) 101098 (DoI Link) [ IF=8.3] Q1 Journal

[56] Room temperature d0 ferromagnetism, band-gap reduction, and high optical transparency in p-type K-doped ZnO compounds for spintronics applications
B. Dey, R. Narzary, Shantanu Kumar Panda, Jyotirekha Mallick, A. Mondal, S. Ravi, Manoranjan Kar, S. K. Srivastava
Materials Science in Semiconductor Processing   148 (2022)106798 (DoI Link) [IF=4.664] Q1 Journal

[55] A Comprehensive Review on Recent Advancements in d0 Ferromagnetic Oxide Materials for Spintronics Application
    L. Chouhan, S. K. Srivastava
    Materials Science in Semiconductor Processing 147  (2022) 106768  (DoI Link) [IF=4.664] Q1 Journal

[54] Optical Band Gap Tuning, Zero Dielectric Loss and Room Temperature Ferromagnetism in (Ag/Mg) co-doped SnO2 compounds for Spintronics Applications
R. Narzary, B. Dey, L. Chouhan, S. Kumar, S. Ravi, S. K. Srivastava
Materials Science in Semiconductor Processing 142 (2022) 106477 (DoI Link) [IF=4.664] Q1 Journal

[53] Observation of Room Temperature d0 Ferromagnetism, Band-Gap Widening, Zero Dielectric Loss and Conductivity Enhancement in Mg Doped TiO2 (Rutile + Anatase) Compounds for Spintronics Applications
          L. Chouhan, S. K. Srivastava
          Journal of Solid State Chemistry 307 (2022) 122828  (DoI Link) [IF=3.656]    Q1 Journal

[52] Crystal Structure, Optical and Dielectric Properties of Ag:ZnO Composite Like Compounds
        B. Dey, R. Narzary, L. Chouhan, S. Bhattacharjee, B. N. Parida, A. Mondal, S. Ravi, S. K. Srivastava
        Journal of Materials Science: Materials in Electronics 33 (2022)2855–2868  (DoI Link) [IF=2.779]  Q2 Journal

[51] Room temperature d0 ferromagnetism, zero dielectric loss and ac-conductivity enhancement in p-type Ag-doped SnO2 compounds
        L. Chouhan,  S. K. Panda, S. Bhattacharjee, B. Das, A. Mondal, B. N.Parida, R. Brahma, M. K. Manglam, M. Kar, G. Bouzerar, S. K. Srivastava
        J. of Alloys and Compounds 870 (2021) 159515. (DoI Link) [IF=6.371]                Q1 Journal

[50] Tailoring room temperature d0 ferromagnetism, dielectric, optical and transport properties in Ag-doped rutile TiO2 compounds for spintronics applications
          L. Chouhan, R. Narzary, B. Dey, Shantanu Kumar Panda, Murli Kumar Manglam, L. Roy, R. Brahma, A. Mondal, M. Kar, S. Ravi, S. K. Srivastava
            Journal of Materials Science: Materials in Electronics 32  (2021) 28163  (DoI Link) [IF=2.779]             Q2 Journal

[49] Tuning the Perpendicular Magnetic Anisotropy of [Co(0.3nm)/Ni(0.6nm)]20 Multilayer Thin Films
          B. Brahma, R. Hussain, Aakansha, P. Behra, S. Ravi, R. Brahma, S. K. Srivastava
          Thin Solid Films 728 (2021) 138689 (DoI Link)  [IF=2.358]                      Q1 Journal

[48] Influence of Cu Insertion Layer on Magnetic Property of [Co(0.3nm)/Ni(0.6nm)]10 /Cu/[Co(0.3nm)/Ni(0.6nm)]10 Spin Valve Thin Films
          B. Brahma, Pratap Behera, S. Ravi, R. Brahma, S. K. Srivastava  
        Applied Physics A  127 (2021) 1-7 (DoI Link)  [IF=2.983]             Q2 Journal

[47] Visible light induced photodegradation of chlorinated organic pollutants using highly efficient magnetic Fe3O4/TiO2 nanocomposite
          Monika Dubey, Ranjit Kumar, S. K. Srivastava, Monika Joshi
        Optik 243 (2021) 167309 (DoI Link)  [IF=2.840]  Q2 Journal

[46] Effect of Mg-doping in Tailoring d0 Ferromagnetism of Rutile TiO2 Compounds for Spintronics Application
            L. Chouhan, G. Bouzerar, S. K. Srivastava
             Journal of Materials Science: Materials in Electronics  32(8), 11193 (2021) 11201 (DoI Link) [IF=2.779]   Q2 Journal

[45] d0 Ferromagnetism in  Li-doped ZnO compounds
            L. Chouhan, G. Bouzerar, S. K. Srivastava
          Journal of Materials Science: Materials in Electronics 32 (5) (2021)  6389-6397  (DoI Link) [IF=2.779]   Q2 Journal

[44] Magnetic Properties of Ordered Array of Nanobumps of [Co/Ni]4, 10, 20 Multilayers
            R. Hussain, Aakansha, S. Ravi, S. K. Srivastava
                  Solid State Communications  324(2021) 114144  (DoI Link) [IF=1.934]  Q2 Journal

[43]    Crystal Structure and Magnetic Properties of (Co-Ag) co-doped SnO2 Compounds
            S. K. Srivastava, Aakansha, S. S. Baro, B. Narzary, D. R. Basumatary, R. Brahma, S. Ravi
            Journal of Superconductivity and Novel Magnetism, 34(2) (2021) 461-467  (DoI Link)  [IF=1.675] Q3 Journal

[42]   d0 Ferromagnetism in Ag-doped Monoclinic ZrO2 Compounds
            L. Chouhan, G. Bouzerar, S. K. Srivastava
            Vacuum 182 (2020) 109716    (DoI Link) [IF=4.110]    Q1 Journal

[41]  Influence of substrate (Si and Glass), Cu under-layer, in-situ annealing of Ta/Cu and post-annealing on magnetic properties of [Co(0.3nm)/Ni(0.6nm)]4, 10 multilayer thin films
          R. Hussain, Aakansha, S. Ravi, S. K. Srivastava
         Journal of Materials Science: Materials in Electronics, 31(14) (2020) 11975-11982 (DoI Link). [IF=2.779]. Q2 Journal

[40] Magnetic Property of CoTbNi Ternary Alloy Thin Films
            R. K. Basumatary, Aakansha, B. Basumatary, B. Brahma, R. Hussain, S. Ravi, R. Brahma, S. K. Srivastava  
            Journal of Superconductivity and Novel Magnetism 33 (10) (2020) 3165–3170 (DoI Link)  [IF=1.675].  Q3 Journal

[39]  Influence of Cu Insertion Layer on Magnetic Properties of Co-Tb/Cu/Co-Tb Thin Films
              B. Brahma, R. Hussain, R. K. Basumatary, Aakansha,  S. Ravi,  R. Brahma, S. K. Srivastava
          Journal of Superconductivity and Novel Magnetism 33 (9) (2020)  2891–2897. (DoI Link) [IF=1.675].  Q3 Journal

[38] Magnetic Property of Mn doped Monoclinic ZrO2 Compounds
          S. K. Srivastava
          Journal of Superconductivity and Novel Magnetism 33 (8) (2020) 2501-2505 (DoI Link) [IF=1.675]. Q3 Journal

[37]  Magnetic Property of thin film of Co-Tb alloys deposited on the barrier layer of ordered anodic alumina templates,
          R. Hussain , Aakansha, B. Brahma , R. Basumatary , R. Brahma , S. Ravi , S. K. Srivastava
          Journal of Superconductivity and Novel Magnetism 33(6) (2020) 1759–1763. (DoI Link) [IF=1.675].  Q3 Journal

[36]  Coexistence of Magnetic Phase in La0.85Ag0.15Mn1-yAlyO3 (y=0, 0.15) Compounds, Probed by Electron Spin Resonance,
            S. K. Srivastava  and S. Ravi
          AIP Conference Proceedings 2265, 030571 (2020)  (DoI Link) [IF=0.402].   Q4 Journal

[35]Magnetization Reversal and Switching Field Distribution in Co-Tb based Bit Patterned Media,
         S. K. Srivastava, R. Hussain, T. Hauet and L. Piraux
        AIP Conference Proceedings 2115 (2019) 030482, DOI Link    [IF=0.403].   Q4 Journal

[34] Effect of (Ni-Ag) co-doping on Crystal Structure and Magnetic Property of SnO2
          S. K. Srivastava, R. Brahma, S. Datta, S. Guha, Aakansha, S. S. Baro, B. Narzary, D. R. Basumatary, M. Kar, S. Ravi
          Mater. Res. Express 6 (2019) 126107  (DoI Link) [IF=1.609].  Q2 Journal

[33] Sperimagnetism in perpendicularly magnetized Co-Tb alloy based thin films,
          R. Hussain , Aakansha ,B. Brahma , R. K. Basumatary , R. Brahma , S. Ravi , S. K. Srivastava
          Journal of Superconductivity and Novel Magnetism, 32(12), (2019) 4027-4031   ( DOI Link ) [IF=1.675]. Q3 Journal

[32]  Crystal structure and magnetic properties of Cu substituted La0.90Ag0.10MnO3 compounds,
          S.K. Srivastava and S. Ravi
          Journal of Superconductivity and Novel Magnetism, 32 (12) (2019), 3995-4003 (DOI Link ) [IF=1.675].  Q3 Journal

[31]  Magnetic and Electrical Properties of Mn-Substituted (La0.85Ag0.15)CoO3Compounds,
         S. K. Srivastava, B.Samantaray, T. Bora and S. Ravi
          Journal of Magnetism and Magnetic Materials 474 (2019) 605–612. DOI Link   [IF=3.097].  Q1 Journal

[30] Reversal mechanism, switching field distribution and dipolar frustrations in Co/Pt bit pattern media based on AAO auto-assembled hexagonal nanobump arrays
        T. Hauet, L. Piraux, S. K. Srivastava, V.A. Antohe, D. Lacour, M. Hehn, F. Montaigne, J. Schwenk, M.A. Marioni, H.J. Hug, O. Hovorka, A. Berger, S. Mangin, F. Abreu Araujo
        Physical Review B 89 (2014) 174421, DOI Link       [IF=3.908].     Q1 Journal                                                 

[29]     Low Temperature and High Magnetic Field Dependence Magnetic Properties of Nanocrystalline Cobalt Ferrite
         L. Kumar, P. Kumar, S. K. Srivastava and M. Kar
            J. of Superconductivity and Novel Magnetism 27 (2014) 1677   DOI Link    [IF=1.675]. Q3 Journal

[28]     Non-magnetic impurity induced magnetism in Li doped SnO2  nanoparticles
              S. K. Srivastava, P. Lejay, A. Hadj-Azzem and G. Bouzerar 
            Journal of Superconductivity and Novel Magnetism: 27 (2014) 487,  DOI Link   [IF=1.675]. Q3 Journal

[27]  Periodic array of magnetic nanostructures by depositing Co/Pt multilayers on the barrier layer of ordered anodic alumina templates
                L. Piraux, V. Antohe, F. A. Araujo, S. K. Srivastava, M. Hehn, D. Lacour, S. Mangin and T. Hauet
                Applied Physics Letter, 101 (2012) 013110,  DOI Link     [IF=3.971].      Q1 Journal                                                                                  

[26]    Template-free electrochemical synthesis of highly-oriented and aspect-ratio controlled ZnO hexagonal columnar arrays
               V. Antohe, L. Gence, S. K. Srivastava and L. Piraux
              Nanotechnology 23 (2012) 255602 ,   DOI Link          [IF=3.953].         Q1 Journal

[25]  Particle-size effects on the suppression of charge ordering in Nd0.8Na0.2MnO3
               B. Samantaray, S. K. Srivastava, S. Ravi
            J. Appl. Phys. 111 (2012) 013919       DOI Link             [IF=2.877].            Q1 Journal                                     

[24]     Non-magnetic impurity induced magnetism in Rutile TiO2:K Compounds
              S. K. Srivastava, P. Lejay, B. Barbara, S. Pailhès, and G. Bouzerar
              J. Physics: Condensed Matter [Fast Track Communication], 23 (2011) 442202. ,    DOI Link  [IF=2.745].     Q2 Journal   

[23]     Magnetic structure and magnetic properties of Nd1-xNaxMnO3compounds
              B. Samantaray, S. Ravi, I. Dhiman, A. Das   and S. K. Srivastava
              J. Appl. Phys.  110, 093906 (2011) , DOI Link         [IF=2.877].         Q1 Journal                        

[22]       Absence of ferromagnetism in Mn-doped tetragonal zirconia
             S. K. Srivastava, P. Lejay, B. Barbara, S. Pailhès, and G. Bouzerar
              J. Appl. Phys.  110, (2011) 043929   , DOI Link        [IF=2.877].           Q1 Journal                                       

[21]   Magnetic dynamics of charge ordered Nd0.80Na0.20MnO3 compound
             B. Samantaray, S. K. Srivastava, S. Ravi
            Journal of Magnetism & Magnetic Materials, 323 (2011) 2622 , DOI Link       [IF=3.097].     Q1 Journal                                        

[20]   Neutron powder study in La0.85Ag0.15MnO3
             B. Samantaray, S. K. Srivastava, S. Ravi, I. Dhiman and A. Das
            Journal of Superconductivity and Novel magnetism, 24 (2011) 1933 , DOI Link    [IF=1.675].  Q3 Journal                                    

[19]   Crystal growth and magnetic property of MCo2V2O8 (M = Sr and Ba)
              P. Lejay, E. Canevet, S. K. Srivastava, B. Grenier, M. Klanjsek and C. Berthier
            Journal of crystal growth, 317 (2011)128 , DOI Link    [IF=1.830].       Q2 Journal          

[18] Possible room-temperature ferromagnetism in K-doped SnO2: X-ray diffraction and high-resolution transmission electron microscopy study, 
           S. K. Srivastava, P. Lejay, B. Barbara, S. Pailhes, V. Madigou, and G. Bouzerar
          Physical Review B, 82 (2010) 193203,   DOI Link              [IF=3.908].      Q1 Journal                                                                          

[17]   Neutron powder diffraction study and magnetic properties in LaMn1-xCuxO3(x=0.05, 0.10 and 0.15)
             B. Samantaray, S. K. Srivastava, S. Mohanty, S. Ravi, I. Dhiman and A. Das
            J. Appl. Phys.  107 (2010) 09D719. DOI Link         [IF=2.877].  Q1 Journal

[16]     Magnetic properties of transition metal substituted  La0.85Ag0.15Mn1-yMyO3compounds
           S. K. Srivastava and S. Ravi
            Journal of Magnetism & Magnetic Materials, 321 (2009) 407, DOI Link     [IF=3.097].           Q1 Journal 

[15]       The effect of Co substitution on the Crystal Structure and Electrical Resistivity of (La0.85Ag0.15)MnO3 Compounds
             S. K. Srivastava and S. Ravi
              Journal of   Superconductivity and Novel magnetism, 22 (2009) 651,   DOI Link  [IF=1.675].  Q3 Journal

[14]     Magnetic Properties of Nd1-xAgxMnO3Compounds
           S. K. Srivastava and S. Ravi
              Journal of Physics: Condensed Matter, 20 (2008) 505212,   DOI Link    DOI Link  [IF=2.745].       Q2 Journal                                          

[13]    Ferromagnetic Insulating and Spin Glass Behavior in Cr substituted La0.85Ag0.15MnO3 Compounds
             S. K. Srivastava, M. Kar and S. Ravi
            Journal of Physics: Condensed Matter, 20 (2008) 235201,  DOI Link       [IF=2.745].   Q2 Journal

[12]    Magnetic properties of electron-doped Y1-xCexMnO3compounds
             S. K. Srivastava, M. Kar and S. Ravi
            Journal of Magnetism & Magnetic Materials, 320 (2008) 2382 , DOI Link      [IF=3.097].      Q1 Journal                                                      

[11]       Effect of Co Doping on the Magnetic Properties of  La0.85Ag0.15(Mn1-yCoy)O3
          S. K. Srivastava, M. Kar and S. Ravi
              Journal of Magnetism & Magnetic Materials, 320 (2008) e107.   DOI Link       [IF=3.097].      Q1 Journal                                    

[10]    Effect of Al Substitution on La0.85Ag0.15MnO3 Double Exchange Ferromagnetic   Compound
         S. K. Srivastava, M. Kar and S. Ravi
          Material Science & Engineering B, 147 (2008) 84,  DOI Link                [IF=3.407]  Q1 Journal

[9] Electrical Transport and Magnetic Properties on La0.85Ag0.15(Mn1-yAly)O3Compound
      S. K. Srivastava, M. Kar and S. Ravi
        Indian Journal of Physics, 82 (6) (2008) 147    DOI Link        [IF=1.778].   Q2 Journal                                           

[8]     Preparation, Characterization and Magnetic Properties of Hexagonal Y1-xCexMnO3
        S. K. Srivastava, M. Kar and S. Ravi
          Indian Journal of Physics, 82 (2) (2008) 195       DOI Link         [IF=1.778].       Q2 Journal                             

[7]       Linear and Non Linear ac Susceptibility studies in La(Mn1-xCux)O3
         S. K. Srivastava, M. Kar and S. Ravi
            Journal of Magnetism & Magnetic Materials, 307 (2006) 318 ,  DOI Link   [IF=3.097].      Q1 Journal   

[6] Bit Patterned Media-Probing Magnetic Property using EHE Measurement
            S. K. Srivastava
              Mater Sci Nanotechnol 2 (2018) 27.                           DOI Link

[5]  Capacitive distance control for measuring particulate magnetic media with Magnetic Force Microscopy
        J. Schwenk, H. Hug, M. Marioni, T. Hauet, M. Hehn, F.  A. Araujo, V. A. Antohe, S. K. Srivastava, L. Piraux
        IEEE International Magnetics Conference 2015, DOI Link

[4]     Study of effective ferromagnetic spin contribution in Cr and Al doped La0.85Ag0.15MnO3 compound
      S. K. Srivastava, B. Samantaray and S. Ravi
            Proceeding of DAE Solid State Physics Symposium India, 53 (2008) 1167-1168

[3]    Reentrant Spin Glass Behavior in(La0.85Ag0.15) (Mn0.85M0.15)O3 (M = Co, Cr)
       S. K. Srivastava, M. Kar and S. Ravi
          Proceeding of DAE Solid State Physics Symposium India, 52 (2007) 1017-1018

[2]       Effect of Co Substitution on Crystal Structure and Magnetic Property of La0.85Ag0.15Mn1-yCoyO3 (y = 0 to 1) Compounds
     S. K. Srivastava, M. Kar and S. Ravi
          Proceeding of DAE Solid State Physics Symposium India, 51 (2006) 851-852 

[1]         Spin glass behavior in La(Mn1-xCux)O3compounds
       S. K. Srivastava, M. Kar and S. Ravi
            Proceeding of DAE Solid State Physics Symposium India, 50 (2005) 825-826

(56) R. Hussain, S.K. Srivastava, presented in SCIRES held in university of Zagreb, Croatia during 2-4 July, 2025 

(55) Exchange coupled hard/soft nanocomposite: A promising candidate for high energy product permanent magnet, Subrata Ch. Sarkar, S. K. Srivastava, Presented in "Asia-Pacific Conference on Condensed Matter Physics 2024 (AC2MP-2024)" held at the Indian Institute of Technology Patna (IIT Patna), India during December 8-11, 2024.

(54) Review on magnetic properties of ternary alloy thin films, Dhananjoy Rajbanshi, S.K. Srivastava, Presented in "Asia-Pacific Conference on Condensed Matter Physics 2024 (AC2MP-2024)" held at the Indian Institute of Technology Patna (IIT Patna), India during December 8-11, 2024.

(53) A Review on Magnetic Properties of FePtX (X=Co, Cu,….) Ternary Alloys, Nishanta Deka, S.K. Srivastava, Presented in "Asia-Pacific Conference on Condensed Matter Physics 2024 (AC2MP-2024)" held at the Indian Institute of Technology Patna (IIT Patna), India during December 8-11, 2024.

(52) Magnetic Properties and Critical Behaviour of Nd0.8Ag0.2MnO3 Compound, S. K. Srivastava, International Conference on Magnetism, 30th June – 5th July 2024, Bologna, ITALY

(51) Influence of Ag doping on structural, optical, and magnetic property of ZnO compound, B. Dey, S. K. Srivastava, presented at International Conference on "Recent Trends in Materials Science & Devices 2023" organized by DAV College on 22 July 2023.   

(50) Mg/Ag co-doped SnO2 Nanoparticles for Optoelectronic Application, K. K. Singha and S. K. Srivastava presented at International Conference on "Recent Trends in Materials Science & Devices 2023" organized by DAV College on 22 July 2023.   

(49) The effect of Na doping on Crystal Structure, and Magnetic Properties of TiO2 Compounds, B. Dey and S. K. Srivastava, presentedat the "International Conference on Emerging Trends in Magnetism and Magnetic Materials 2023" organized by HBTU Kanpur on 06 July 2023. 

(48) Effect of Mg/Ag co-doping on Crystal Structure, Raman Spectra,  and Optical Property of SnO2 compounds for optoelectronics applications, K. K. Singha and S. K. Srivastava, presented at the "International Conference on Emerging Trends in Magnetism and Magnetic Materials 2023" organized by HBTU Kanpur on 06 July 2023. 

(47) Role of annealing in tuning the Magnetism of Ag-doped ZrO2 Compound, L. Chouhan and S. K. Srivastava, presented at the "International Conference on Emerging Trends in Magnetism and Magnetic Materials 2023" organized by HBTU Kanpur on 06 July 2023. 

(46) The influence of K/Mg co-doping on Crystal Structure, and Magnetic Properties of ZnO Compounds, R.Narzary, S. K. Srivastava and S. Ravi, presented at the "International Conference on Emerging Trends in Magnetism and Magnetic Materials 2023" organized by HBTU Kanpur on 06 July 2023.   

(45) Crystal Structure, Optical and Magnetic Properties of Sb/Ag co-doped SnO2 compounds,  R. Narzary, S. Ravi, S. K. Srivastava, Poster presentation in International Conference on Nanoscience and Nanotechnology (ICONN) 2023 held on 27-29 MArch 2023 in virtual mode.

(44) New promising materials for Spintronic Devices: d0 Ferromagnetic Oxides, B. Dey, S. K. Srivastava, Oral presentation in Bodoland International Knowledge Festival at Bodoland University on 28 February 2023.

(43) Sb-doped SnO2 Nanoparticles for Optoelectronic Application, K. K. Singha and S. K. Srivastava, Poster presentation in Bodoland International Knowledge Festival at Bodoland University on 28 February 2023.

(42) Influence of potassium doping on structural, optical, and magnetic property of ZnO compound. Bikash Dey, S. K. Srivastava, presented in National conference on Science and Technology for   Sustainable   Development (STSD-2022) at Science College, Kokrajhar,   Kokrajhar, Assam held during 9th – 10th September 2022.

(41) Crystal structure and optical properties of Sb-doped SnO2 compound, K. K. Singha and S. K. Srivastava, Poster presentation in PANE National Conference  held at Manipur University during 8-10 November 2022.

(40) R. K. Basumatary, R. Brahma, S. K. Srivastava, “Surface Topography and Surface Roughness Study of CoTbNi Alloy Thin Films using 3D Optical Profilometer”, Poster presentation in PANE National Conference  held at Manipur University during 8-10 November 2022.

(39) A Study on Magnetic, Optical and Dielectric Properties of Mg-doped TiO2(Anatase+ Rutile) from Spintronic Perspective, L. Chouhan, S. K. Srivastava, Oral Presentation in North-East Research Conclave, organized by Indian Institute of Technology Guwahati during May 20-22, 2022.

(38) Crystal structure, microstructure, optical, dielectric and magnetic property of TiO2 nanoparticle, B. Dey, S. K. Srivastava, Oral Presentation in North-East Research Conclave, organized by Indian Institute of Technology Guwahati during May 20-22, 2022.

(37) R. K. Basumatary, S. Ravi, R. Brahma and S. K. Srivastava, 3D Surface Topography and Surface Roughness measurement of CoTb based RE-TM ternary Alloy Thin Films using Optical Imaging Technique, ASCMS (2022), Bodoland University (Oral)

(36) Magnetic Properties of [Co(0.2nm)/Ni(0.4nm)]10 Multilayers,  R. Hussain, S. K. Srivastava, presented in International Conference on Thin Films & Nanotechnology: Knowledge, leadership, commercialization (ICTN-KLC), Organised by Indian Institute of Technology Delhi, August 24-26, 2021.

(35) A nano-enabled electrochemical sensing of chlorobenzene in drinking water using ZnO/OMS-2 nanocomposite, Monika Dubey, Ranjit Kumar, Sandeep Kumar Srivastava, Monika Joshi, presented in International Conference on Thin Films & Nanotechnology: Knowledge, leadership, commercialization (ICTN-KLC), Organised by Indian Institute of Technology Delhi, August 24-26, 2021

(34) Surface topography and roughness measurement of CoTbCu alloy films fabricated by DC magnetron sputtering, R. Basumatary, R. Brahma, S. K. Srivastava, presented in 6th International Conference on Nanoscience and Nanotechnology  (Virtual Conference), Organised by SRMSIT, Chennai, Tamilnadu, India,  01-03 February , 2021.

(33) Role of surface roughness on magnetic properties of Co/Ni Multilayer Thin Films, B. Brahma, R. Brahma, S. K. Srivastava, presented in 6th International Conference on Nanoscience and Nanotechnology  (Virtual Conference), Organised by SRMSIT, Chennai, Tamilnadu, India 01-03 February, 2021.

(32) Recent Advances in Some Selected d0 Ferromagnetic Oxides for Spintronics Applications, L. Chouhan, S. K. Srivastava, presented in 6th International Conference on Nanoscience and Nanotechnology  (Virtual Conference), Organised by SRMSIT, Chennai, Tamilnadu, India 01-03 February, 2021. 

(31) Photocatalytic Degradation of Chlorobenzene Using Easily Recoverable Ultra-Sound Assisted Fe3O4/OMS-2 Nanocomposite, Monika Dubey, Navakanth Viay Challagulla,, Monika Joshi, Ranjit Kumar, Sandeep Kumar Srivastava,  Presented in International workshop on renewable energy and storage devices for sustainable development, organized by Amity University Noida, 12-14 January, 2021.

(30) Perpendicular Magnetic Anisotropy of [Co(0.2nm)/Ni(0.4nm)]10 multilayers thin film, R. Hussain, S. K. Srivastava, Presented in  3rd National Conference on Recent Advances in Science and Technology,  Organized by Assam Science and Technology University, August 17-19 2020.

(29) d0 Ferromagnetism in Li-doped ZnO Nanoparticles, L. Chouhan, S. K. Srivastava. Presented in , 3rd National Conference on Recent Advances in Science and Technology,  Organized by Assam Science and Technology University, August 17-19 2020.

(28) Removal of 2,4-dichlorophenol Using ɑ-MnO2 Loaded Sodium Alginate Beads, Monika Dubey, Navakantha Vijay Challagulla, Shikha Wadhwa, Sandeep Srivastava, Ranjit Kumar, IAC-2019, 12-14th December 2019, Conference Poster.

(27) Coexistence of Magnetic Phase in La0.85Ag0.15Mn1-yAlyO3 (y=0, 0.15) Compounds, Probed by Electron Spin Resonance, S. K. Srivastava  and S. Ravi, (Presented in DAE-SSPS, held at IIT Jodhpur during 18-22 December 2019 )

(26) Influence of in-situ and post-annealing on magnetic property of Co/Ni multilayers, R. Hussain, Aakansha, S. Ravi, S. K. Srivastava (Presented in ICANN 2019 held at IIT Guwahati during 18-21 December 2019) 

(25) Fabrication, Surface Roughness and Magnetic Property of Nanoscale (Co0.85Tb0.15)0.28Ni0.72 Alloy Thin Film, R. K. Basumatary, Aakansha, S. Ravi, R. Brahma, S. K. Srivastava (Presented in ICANN 2019 held at IIT Guwahati during 18-21 December 2019)

(24)  Perpendicular Magnetic Anisotropy in Co-Tb based Spin Valve, B. Brahma, Aakansha, S. Ravi, S. K. Srivastava, R. Brahma (Presented in ICANN 2019 held at IIT Guwahati during 18-21 December 2019)

(23) Magnetic Property of Co-Tb alloy based Bit Patterned Media, S. K. Srivastava and R. Hussain, Presented in Joint European Magnetic Symposia, held at Uppsala, Sweden during 26-30 August, 2019.

(22) Magnetic property of thin film of Co-Tb alloy prepared by DC magnetron sputtering, R. Hussain, B. Brahma, R. Basumatary, H. Basumatary, R. K. Basumatary, R. Brahma, S. K. Srivastava, Presented oral talk in "International Conference on Magnetic Materials and Applications (ICMAGMA - 2018)' held in NISER Bhubaneswar, India during 09-13 December, 2018

(21) Magnetization Reversal and Switching Field Distribution in Co-Tb based Bit Patterned Media, S. K. Srivastava, R. Hussain, T. Hauet and L. Piraux, Accepted for presentation in "63rd DAE Solid State Physics Symposium" to be held at Guru Jambheshwar University of Science and Technology (GJUS&T), Hisar, Haryana India during 18-22 December, 2018.

(20) Bit Patterned Media- Probing Magnetic Property using EHE Measurement, S. K. Srivastava, Presented in "2nd International Conference on Magnetism Nad Magnetic Materials"  at Budapest, Hungary during 24-26 September 2018

(19) Tuning the Aspect Ratio of Co Nano-brush for Storage Device Media Application, S. K. Srivastava, V. A. Antohe, L. Piraux, Presented in National Conference on Applied Sciences, Sustainable & Evolving Technologies “ASSET-2018" at Central Institute of Technology Kokrajhar, Assam during 9-11 March 2018

(18)  Probing SFD of Bit Patterned Media Using EHE Measurement, S. K. Srivastava, R. Hussain, B. Brahma, L. Piraux and T. Hauet, Presented in National Conference on Applied Sciences, Sustainable & Evolving Technologies “ASSET-2018" at Central Institute of Technology Kokrajhar, Assam during 9-11 March 2018

(17) Bit Patterned Media: Future of Hard Disk Drive, S. K. Srivastava, L. Piraux and T. Hauet, Presented in International conference on Nanotechnology: Ideas, Innovations & Initiatives, held at Indian Institute of Technology (IIT) Roorkee, India, on 08, December 2017 

(16) d0 Magnetism in Rutile Ti0.94A0.06O2 (A=Li, Mg, K) nanoparticles, A. Jain, B. Brahma and S. K. Srivastava Presented in 5th International Conference on Advanced Nanomaterial and Nanotechnology (ICANN-2017) organized  at the Indian Institute of Technology Guwahati (IITG), India during Dec 18-21, 2017 

(15) d0 Magnetism or Non-magnetic Impurity Induced Magnetism in Oxide Materials, S. K.  Srivastava, P. Lejay,  B. Barbara, S. Pailhès and G. Bouzerar, Presented in EMN Open Access Week 2015: Energy, Materials and Technology, 22-25 September 2015, Chengdu China 

(14) Capacitive distance control for measuring particulate magnetic media with Magnetic Force Microscopy, J. Schwenk, H. Hug, M. Marioni, T. Hauet, M. Hehn, F.  A. Araujo, V. A. Antohe, S. K. Srivastava, L. Piraux, Presented in  Magnetics Conference (INTERMAG), Beijing, China, 11-15 May 2015

(13)    Reversal mechanism and switching field distribution in CoTb bit patterned media fabricated from the barrier layer of ordered anodic alumina templates, S. K. Srivastava, L. Piraux, B. Brahma, M. Brahma, V. A. Antohe, F. Abreu Araujo, M. Hehn, D. Lacour, S.Mangin and T. Hauet,, Presented in “4th International Conference on Advanced Nanomaterials and Nanotechnology” held in IIT Guwahati, 8-11 December, 2015

(12)    Non Magnetic Impurity Induced Magnetism or d°Magnetism, S. K. Srivastava, G.  Bouzerar, P. Lejay, B. Barbara, Presented in French Physical Society Meeting in Institut Neel, CNRS Grenoble , France,  28 September 2009

(11)  Study of effective ferromagnetic spin contribution in Cr and Al doped La0.85Ag0.15MnO3 compound, S. K. Srivastava, B. Samantaray and S. Ravi, Presented in DAE Solid State Physics Symposium, BARC Mumbai, India December 2008.

(10) Neutron Powder Diffraction Studies in LaMn1-xCuxO3 (x=0.05 and 0.10), S. K. Srivastava, S. Ravi, I. Dhiman and A. Das, Presented in International Symposium on Neutron Scattering, BARC Mumbai, India, December 2007.

(9) Reentrant Spin Glass Behavior in (La0.85Ag0.15)(Mn0.85M0.15)O3 (M = Co, Cr) , S. K. Srivastava, M. Kar and S. Ravi, Presented in DAE Solid State Physics Symposium: Mysore, India December 2007

(8) Effect of Co doping on Magnetic Properties of (La0.85Ag0.15)(Mn1yCoy)O3, S. K. Srivastava, M. Kar and S. Ravi, Presented in Latin-American Workshop on Magnetism and Magnetic Materials, Rio de Janeiro, Brazil Aug. 2007

(7)Study of Crystal Structure and magnetic Properties of (Y1-x Nbx)2Mn2O7 pyrochlore, S. K. Srivastava, B. Samantaray and S. Ravi, Presented in Condensed Matter Days, Aug. 2007, NIT Rourkela, India

(6) Electrical Transport and Magnetic Properties on La0.85Ag0.15(Mn1-yAly)O3 Compound, S. K. Srivastava, M. Kar and S. Ravi, Presented in PANE, March 2007, Guwahati, India

(5)Crystal Structure Studies on La0.85Ag0.15Mn1-yAlyO3 Compounds, S. K. Srivastava, M. Kar and S. Ravi, Presented in Crystallography Conference, March 2007, Chennai, India

(4) Effect of Co Substitution on Crystal Structure and Magnetic Property of     La0.85Ag0.15Mn1-yCoyO3 (y = 0 to 1) Compounds, S. K. Srivastava, M. Kar and S. Ravi, Proc., Presented in DAE Solid State Physics Symposium: Bhopal, India December 2006, 

(3)Study of Electrical Transport, Magnetic Properties of La0.85Ag0.15Mn 1-xTxO3(T=Co,Al), S. K. Srivastava, M. Kar and S. Ravi, Presented in INSA-HAS Workshop, Dec. 2006 Univ. of Hyderabad, India

(2)Crystal Structure and Magnetic Properties of hexagonal Y1-xCexMnO3, S. K.  Srivastava and S. Ravi, Presented in Condensed Matter Days, Aug. 2006, Univ. of Tezpur, India

(1)Spin glass behavior in La(Mn1-xCux)O3 compounds, S. K. Srivastava, M. Kar and S. Ravi, Proc., Presented in DAE Solid State Physics Symposium: BARC, Mumbai India December 2005

• Best Paper Award in Recent Trends in Materials Science & Devices 2023 Recognitions

• Received "CITK-SN Emerging Researcher Award" 2019.

• Received prestigious “Early Carrier Research Award 2016” by DST-SERB, Government of India.

• Selected for CNRS, France Post-Doctoral fellowship out of 100 candidates

• Received FNRS, Belgium Post-Doctoral fellowship for Foreigner

• Qualified GATE (Physics) 2004  and received MHRD fellowship for pursuing PhD.

• Selected for SERC School on material science: This prestigious school in India selects only 10-12 candidates in a year from all over India.

• Short news about our research work reported by IOP, UK. http://iopscience.iop.org/0953-8984/labtalk-article/47872.

• Our paper (JPCM [Fast Track Communication], 23 (2011) 442202) has been highlighted as IOP select 2011, chosen as cover story of JPCM Issue 44, November 2011.

Key-Note Talk:

1. Delivered "Key Note Talk" on 'Bit Patterned Media: Probing Magnetic Property using Extraordinary' in "2nd International Conference on Magnetism and Magnetic Materials" at Budapest, Hungary during 24-26 September 2018

Invited Talks in National/International Conferences/Workshop:

22. Delivered an Invited Talk on "Magnetic Anisotropy of CoPtFe Ternary Alloys Films" at 3rd International Conference on Recent Trends in Materials Science & Devices 2025 (ICRTMD-2025)" organized by DAV College during 24-26 March 2025.  

21. Delivered an Invited Talk on 'Crystal Structure and Magnetic Properties of DC sputtered Fe-Pt-Co Ternary Alloys Thin Films' at the "International Conference on Magnetic Materials and Applications (ICMAGMA-2025)" organized by the Magnetics Society of India (MSI) in collaboration with the Indian Institute of Science (IISc), Bangalore during February 12-14, 2025. 

20.  Delivered an Invited Talk on 'Magnetic Properties of Fe-Pt-Co Ternary Alloys Thin Films' at the "Asia-Pacific Conference on Condensed Matter Physics 2024 (AC2MP-2024)" held at the Indian Institute of Technology Patna (IIT Patna), India during December 8-11, 2024. 

19. Delivered an Invited Talk on 'd0 Magnetism in Non-magnetic Element Doped Oxides' at the "International Conference on Emerging Trends in Magnetism and Magnetic Materials 2023" organized by HBTU Kanpur on 06 July 2023. 

18. Delivered an Invited Talk on "Magnetic Properties of CoPtFe Ternary Alloys Films" at International Conference on "Recent Trends in Materials Science & Devices 2023" organized by DAV College on 22 July 2023.  

17. Delivered an Invited Talk on 'd0 Ferromagnetic Oxide Nanomaterials' at the online faculty development program on Nanotechnology: Present Advancement and future prospects organized by AINT, Amity University on 18-22 January 2022. 

16. Delivered an Invited Talk on 'Nano-structured Magnetic Materials for Hard Disk Drive Applications' at the online workshop titled “Nano Era: Nanotechnology for Global sustainability” organized by Amity University on 10 June 2021.  

15. Delivered an Oral Talk on 'Perpendicular Magnetic Anisotropy of [Co(0.2nm)/Ni(0.4nm)]10 Multilayers Thin Films' at 3rd National Conference on Recent Advances in Science and Technology, Organized by Assam Science and Technology University, August 17-19 2020.

14.  Delivered an Invited Talk in Institute Seminar Series at CIT Kokrajhar on 13-02-2019

13. Delivered Contributary Talk on 'Magnetic Property of Co-Tb alloy based Bit Patterned Media'  in Joint European Magnetic Symposia, held at Uppsala, Sweden during 26-30 August, 2019.

12. Delivered Contributary Talk on 'Magnetic property of thin film of Co-Tb alloy prepared by DC magnetron sputtering' in "International Conference on Magnetic Materials and Applications (ICMAGMA - 2018)' held in NISER Bhubaneswar, India during 09-13 December, 2018

11. Delivered an Invited Talk on 'Bit Patterned Media: Future of Hard Disk Drive' at International Conference on Nanotechnology: Ideas, Innovations & Initiatives, held at Indian Institute of Technology (IIT) Roorkee, India, on 08, December 2017.

10. Delivered an Invited Talk at the EMN Open Access conference, Chengdu, China on 23 September, 2015.

Invited Talks in Other Events:

9. Delivered an Invited Talk on "Nano-structured Magnetic Materials for Memory Devices' at "Hand-on Training on Characterization tool and techniques for materials science' organized by NIT Meghalaya on 14 November 2022.

8. Delivered an Invited Talk on 'Nano-structured Magnetic Materials for Application in Hard Disk Drive and Spintronics Devices'  in 1st Scientific Forum Series CIT-UTP on 24-03-2021.

7. Delivered an Invited Talk on 'Bit Patterned Media- A Futuristic Media for Hard Disk Drive' at Deen Dayal Upadhyay Gorakhpur University, UP, India on 08-03-2020.

6. Delivered an Invited Talk in "The C.V. Raman Lecture Series" held at Department of Physics, Bodoland University, Assam India on 29-03-2019.

5. Delivered an Invited Talk at “Skill Development Programme Workshop" organized at Central Institute of Technology, Kokrajhar, Assam, India on January 02, 2017.

4. Delivered an Invited Talk at Department of Physics, IIT Guwahati, on 20 May, 2016

3. Delivered an Invited Talk at “Digital India week” Programme organized at Central Institute of Technology, Kokrajhar, Assam, India, July 2015.

2. Delivered an Invited Talk in IMCN, UCL Belgium Seminar Series 2012.

1. Delivered an Invited Talk in Institut Neel, France Seminar Series 2010.

Session Chaired:

•  Chaired the session at the EMN Open Access conference, Chengdu, China on 23 September, 2015.

• Chaired the session at International Conference on Nanotechnology: Ideas, Innovations & Initiatives, held at Indian Institute of Technology (IIT) Roorkee, India, on 08, December 2017.

• Chaired the session in "2nd International Conference on Magnetism and Magnetic Materials" at Budapest, Hungary during 24-26 September 2018.

• Chaired the session at the "International Conference on Emerging Trends in Magnetism and Magnetic Materials 2023" organized by HBTU Kanpur on 06 July 2023. 

• Organised "Research Seminar Day 2018", one day long program at CIT Kokrajhar.

• Organised "Research Seminar Day 2019", one day long program at CIT Kokrajhar.

•   Organizer of "Institute Seminar Series" at CIT Kokrajhar. Organised total 20 Seminar Series.

•   Technical Advisor, 11th International Conference of North East Indian Linguistics Society (NEILS), Held at CIT Kokrajhar, 7-9 February, 2020.

•   Advisor, Faculty Development Programme, held at CIT Kokrajhar from 18-22nd August 2020.

•   Organizing Committee Member, Webinar on Career Opportunities in Animation Design” to be Held at CIT Kokrajhar on 17th August, 2020.

• Organizing Committee Member, National Conference on Applied Sciences, Sustainable & Evolving Technologies (ASSET), held at CIT Kokrajhar, March 9-11, 2018.

• Selection Committee/Member of a few recruitment Committee

• Reviewer of DST-SERB projects 

• Reviewer of  "Start-up Grants"  Project at NIT Meghalaya

• Evaluated PhD Thesis: 05

• External expert for Master thesis evaluation at Rajiv Gandhi University (A Central University), Rono Hills, Doimukh, Arunachal Pradesh INDIA, during Summer 2018.

• External expert for Master student Viva evaluation at Bodoland University (A state University), Kokrajhar, Assam, INDIA, during Summer /winter of 2016, 2017, 2018, 2019.

• External nominated expert of Doctoral Committee of several PhD students from departments like CSE, CE, FET and MCD

• Acta Materialia

• Ceramics International

• Diamond and Related Materials

• Inorganic Chemistry Communications

• Journal of Alloys and Compounds

• Journal of Magnetism and Magnetic Materials

• Journal of Materials Research and Technology

• Journal of Materials Science: Materials in Electronics

• Journal of Superconductivity and Novel Magnetism

• Materials Letters

• Materials Science and Engineering: B

• Materials Today Communications

• Materials Today: Proceedings

• Optical Materials

• Optical and Quantum Electronics 

• Physica B: Condensed Matter

• Solid State Communications

• Thin Solid Films

• Vacuum