SaumyaMohapatra Department: PHYSICS
Associate Professor
Phone: +91-7896234525
Email: saumya@phy.nits.ac.in

 

 
Alternate E-mail ID:    saumya.mohapatra@gmail.com
Date of Joining: 2014-11-03
 URL of Web Profile: 
Academic Qualifications
  • Ph.D. at Indian Institute of Technology (IIT) Kharagpur, (2009).
  • M.Sc. (Physics) at Utkal University, Bhubaneswar (2003).
Courses Taught:
  • B.Tech 1st Year Physics (UG),
  • Condensed Matter Physics I & II(PG),
  • Atomic and Molecular Physics (PG),
  • Physics of semiconductors (PG),
  • B.Tech First Year Lab,
  • M.Sc. Lab I and II (PG)
Experience Postdoctoral Experience 1. National Institute of Materials Science (NIMS), Tsukuba, Japan (2010-2013). 2. Institute of Beam Science, Ibaraki University, Mito, Japan (2009-2010).
Area of Interest/Specialization : Specialization: Experimental Condensed Matter Physics. Research Interest: Energy storage devices and materials, Nanoionics based resistive switching devices
Teaching Interests : Condensed Matter Physics, Physics of Semiconductors, Atomic and Molecular Physics, Experimental Techniques
Awards/Achievements : Patent: A copper-ion conductive solid polymer electrolyte based non-volatile conductive bridge random access memory device, Rajesh Deb, Saumya R. Mohapatra, German patent, Application No. 202022102677.7, 2022. Awards: NIMS Postdoctoral Fellowship (2010-2013), Japan, GATE (2004), NET (2003)
Ph.D. Scholars Guided: Completed: Dr. Manjula G. Nair, Ongoing: Mr. Rajesh Deb, Ms. Farhana Yasmin and Ms. Zarina Azmi
Book / Chapters Published: 1. Investigation of proton transport mechanism in protic ionic liquid based polymeric nanocomposite membranes, Manjula G. Nair, Rajesh Deb, Tohru Tsuruoka and Saumya R. Mohapatra, Proceedings of 28th National Conference on Condensed Matter Physics. Springer Proceedings in Physics, vol 269. Springer, Singapore. https://doi.org/10.1007/978-981-16-5407-7_11 (2021). 2. Liquid phase exfoliation and microwave assisted modification in MoS2 Nanostructure, Rajesh Deb, Rajesh Kumar, Manjula G. Nair, Saumya R. Mohapatra, Proceedings of 28th National Conference on Condensed Matter Physics. Springer Proceedings in Physics, vol 269. Springer, Singapore. https://doi.org/10.1007/978-981-16-5407-7_2 (2021). 3. Book Chapter: Solid-Polymer-Electrolyte-Based Atomic Switches, T. Tsuruoka, K. Krishnan, S. R. Mohapatra, S. Wu, M. Aono, Book: Atomic Switch (ISBN 978-3-030-34874-8), Page 139 – 159, Springer, 2020.(https://doi.org/10.1007/978-3-030-34875-5_8).
Publications
Journals (International):
  1. Diffusive Memristor with CuS Nanoparticles Embedded in Polymeric Film as Artificial Nociceptor, Rajesh Deb, Debashis Panda, Manjula G Nair, Farhana Yasmin, Yamineekanta Mishra, Awalendra K Thakur, Saumya R Mohapatra, ACS Appl. Mater. Interfaces 16,  51757–51768, 2024.
  2. A comprehensive review of strategies to augment the performance of MnO2 cathode by structural modifications for aqueous zinc ion batter, Zarina Azmi, Krushna C Senapati, Arpan K Goswami, Saumya R Mohapatra, Journal of Power Sources 613, 234816, 2024.
  3. Contrasting analog and digital resistive switching memory characteristics in solution-processed copper (i) thiocyanate and its polymer electrolyte-based memristive devices, Rajesh Deb, Manjula G Nair, Ujjal Das, Saumya R Mohapatra, Journal of Materials Chemistry C, 11, 7629-7640, 2023.
  4. Polarity independent resistive switching in MoS2 nanosheets and PEO based nanocomposite films, R. Deb, P. Pathak, S. R. Mohapatra, U. Das, Jpn. J. Appl. Phys. 61 SM1004, 2022.
  5. Role of protic ionic liquid concentration in proton conducting polymer electrolytes for improved electrical and thermal properties, M. G. Nair, S. R. Mohapatra, M. R. Garda, B. Patanair, A. Saiter, S. Thomas, Materials Research Express 7, 064005 (2020).
  6. Perchloric acid functionalized nano-silica and protic ionic liquid based non-aqueous proton conductive polymer electrolytes, Manjula G. Nair, Saumya R. Mohapatra, Materials Letters 251, 148 – 151, 2019.
  7. Synergistic effect of nano-ceria dispersion on improvement of Li+ ion conductivity in polymer nanocomposite electrolytes, Saumya R. Mohapatra, Manjula G. Nair and Awalendra K. Thakur, Materials Letters, 221, 232, 2018.
  8. Effects of temperature and ambient pressure on the resistive switching behaviour of polymer-based atomic switches, Saumya R. Mohapatra, T. Tsuruoka, K. Krishnan, T. Hasegawa and M. Aono, J. Mater. Chem. C, 2015,3, 5715-5720.
  9. Flexible resistive switching memory using inkjet printing of a solid polymer electrolyte, Saumya R. Mohapatra, T. Tsuruoka, T. Hasegawa, K. Terabe, and M. Aono, AIP Advances 2, 022144, 2012.
  10. Inter-atomic force constants from correlation effects among thermal displacement of atoms in PbTe. Xianglian, T. Sakuma, Saumya R. Mohapatra, H. Uehara, H. Takahashi, O. Kamishima and N. Igawa, Molecular Simulation 38, 448, 2012.
  11. Estimation of inter-atomic force constants and phonon dispersion using correlation effects among thermal displacement of atoms in Ge, T.Sakuma, SaumyaR.Mohapatra, N.Isozaki, H.Uehara, Xianglian, K.Basar, H.Takahashi, N.Igawa, Journal of Non-Crystalline Solids 357, 559, 2011.
  12. Correlation effects among thermal displacements of atoms in KBr, T.Sakuma, Xianglian, N.Shimizu, SaumyaR.Mohapatra, N.Isozaki, H.Uehara, H.Takahashi, O.Kamishima,Solid State Ionics 192, 54, 2011.
  13. Mechanism of ion transport in YSZ dispersed polymer nanocomposite films: An analysis by vibrational spectroscopy approach, Saumya R. Mohapatra, A. K. Thakurand R. N. P. Chaudhary, Ionics, 16, 437,2010.
  14. Study of Ion Transport Properties in Nano-YSZ Dispersed Polymer Nanocomposite Films Using Conductivity Spectroscopy, Saumya R. Mohapatra, A. K. Thakur, T. Sakuma, Journal of the Physical Society of Japan 79 (SUPPL. A), 169, 2010.
  15. Effect of Nanoscopic Confinement on Improvement in Ion Conduction and Stability Properties in an Intercalated Polymer Nanocomposite Electrolyte, Saumya R. Mohapatra, A. K. Thakur and R. N. P. Chaudhary, J. Power Sources, 191, 601, 2009.
  16. Vibrational Spectroscopy Analysis of Ion Conduction Mechanism in Dispersed Phase Polymer Nnocomposite, Saumya R. Mohapatra, A. K. Thakur and R. N. P. Chaudhary, J. Polym. Sci. Part B: Polym. Phys.,47(1), 60, 2009.
  17. Studies on PEO Based Sodium Ion Conducting Composite Polymer Films, Saumya R. Mohapatra, A. K. Thakur and R. N. P. Chaudhary, Ionics, 14, 255, 2008
Journals (National):
  1. Studies on Dielectric Properties of a Conducting Polymer NanocompositeSystem, Saumya R. Mohapatra, A. K. Thakur and R. N. P. Chaudhary, Indian Journal of Engineering & Materials Science, 15, 347, 2008.
Conferences (International):
  1. Electrical bistability in MoS2 nano-sheets doped polymeric nanocomposite films, P. Pathak, R. Deb and S. R. Mohapatra, Materials Today: Proceedings 24, 2295-2301 (2020).
  2. Liquid Phase Exfoliation of MoS2 Nano-sheets and Observation of Resistive Switching Memory in MoS2 Nano-sheets-PVDF-HFP Composite Films, Deepak, R. Deb, M. G.Nair, S. Halder, A. L.Sharma and S. R. Mohapatra, Materials Today: Proceedings18, 5447-5453 (2019)
  3. Role of succinonitrile in improving ionic conductivity of sodium-ion conductive polymer electrolyte, M. G. Nair, and S. R. Mohapatra, AIP Conference Proceedings 1953, 090081 (2018); https://doi.org/10.1063/1.5032928, 2nd International Conference on Condensed Matter and Applied Physics, 2017.
  4. Synthesis of ZnO nanorods and observation of resistive switching memory in ZnO based polymer nanocomposites, M. G. nair, M. Malakar, S. R. Mohapatra, A. Chowdhury, AIP Conference Proceedings 1953, 030171 (2018); https://doi.org/10.1063/1.5032506 , 2nd International Conference on Condensed Matter and applied Physics, 2017.
  5. Flexible Polymer Atomic Switches using Ink-Jet Printing Technique, Saumya R. Mohapatra, T.Tsuruoka, T. Hasegawa, K.Terabe, and M.Aono, MRS Spring – 2012 meeting, MRS Proceedings, 1430, mrss12-1430-e05-02doi:10.1557/opl.2012.1022, 2012.
  6. Correlation Effects Among Thermal Displacements of Atoms from Diffuse Neutron Scattering Measurements, T. Sakuma, Saumya R. Mohapatra, J. Yokawa, N. Shimizu, N. Isozaki, H. Uehara, X. Lian, K. Basar, H. Takahashi, O. Kamishima and N. Igawa, Solid State Ionics: Fundamental Researches and Technological Applications, pp439-445, ©2010 Wuhan University of Technology Press.
  7. Force Constants of Cu crystals from Diffuse Neutron Scattering Measurement,T.Sakuma, SaumyaR.Mohapatra, H.Uehara, R. Sakai, Xianglian, H.Takahashi, N.Igawa, K.Basar, Atom Indonesia, 36, 121, 2010.
  8. Analysis of Correlation between Order–Disorder Transformation and Ion Conduction Behavior in PEO8LiClO4 + xwt.%Montmorillonite Based Films. Saumya R. Mohapatra, A. K. Thakurand R. N. P. Chaudhary, Solid State Ionics: New Materials for Pollution Free Energy Devices, (Edited by B. V. R. Chowdari et. al.), Macmillan Advanced Research Series, 2008.
Conferences (National):
  1. Dielectric Relaxation and Ion Conduction in Dispersed Phase Polymer Nanocomposite Films, Saumya R. Mohapatra, A. K. Thakur and R. N. P. Chaudhary, D. A. E. Proceedings on Solid State Physics Symposium, 53, p.1037, 2008.