Research Interest:

Experimental Condensed Mater Physics; Ion-transport in solid-state; Low power consumption electronics devices; Neuromorphic Devices; Oxide electronics; Voltage controlled magnetic/electronic phenomena (e.g. magnetic anisotropy, exchange bias, spin waves, proton intercalation  etc); Magnetoelectronic including magnetoelectric effect and switching; Interface exchange coupling in magnetic multilayers; Spin-Orbit coupling and D-M interactions; Control of magnetic phase transitions; Antiferromagnetic spintronics; Magnetization dynamics including spin-waves generation and propagation; Direct/Inverse spin hall effect, spin-seebeck effect etc.

Current Positions:

• Associate Professor at Department of Physics, North-Eastern Hill University(NEHU), India (August 2023- Till Date)

Past Positions:

• Assistant Professor at Department of Electronics, Kyushu University, Japan (June 2021- July 2023)
• Senior Researcher at Department of Physics, Nagoya University, Japan (April 2019- March 2021)
• JSPS Post-Doctoral Fellow at Department of Electrical Engineering, Tohoku University, Japan (April 2017- March 2019)
• Post-Doctoral Research scientist at Department of Electronics Engineering, Tohoku University, Sendai, Japan is supported by the Impulsing Paradigm Change through Disruptive Technologies Program (ImPACT) of Council for Science, Technology and Innovation (Cabinet Office, Government of Japan) (April 2015-March 2017)
• Post-Doctoral Researcher at Department of Electronics Engineering, Tohoku University, Sendai, Japan supported by the Advanced Low Carbon Technology Research and Development Program (ALCA) of the Japan Science and Technology Agency (JST). (August 2013-March 2015)
• Doctoral Research Fellow at UGC-DAE Consortium for Scientific Research, Kolkata (April 2008-July 2013)
• Lecturer at TempleCity Institute of Technology and Engineering (TITE), Odisha, India. (January 2007 - March 2008)

Awards And Recognition

• Distinguished Young Scientist Award (ICLED-2023, Singapore) (2023)
• Post-Doc Research (JST-CREST Program, Japan) (2019)
• JSPS Post-Doc Fellowship (JSPS) (2017)
• Grant-in-Aid for Research (Kakenhi) (JSPS) (2017)
• Outstanding Reviewer Award (Elsevier) (2017)
• ImPACT Post-Doc Researcher (CSTI, Govt. of Japan) (2015-17)
• Post-Doc Researcher (JST-ALCA Program, Japan) (2013-15)
• International Travel Grant (DST, India) (2013)
• Best Poster Award (DAE-SSPS) (2009)
• CSR Research Fellowship (UGC-DAE CSR, Kolkata) (2008-13)

Editorial Responsibilities

• Academic Editor, Advances in Condensed Matter Physics (ISSN: 1687-8108)(I.F.:1.5) and The Scientific World Journal:Materials Science (ISSN:2356-6140) (Hindawi) (Since March 2023)
• Editorial Board Member, Memories-Materials, Devices, Circuits and Systems (Elsevier) ISSN: 2773-0646 (Since 23^rd Feb 2022)
• Associate Editor, Heliyon Materials Science section (Cell Press, Elsevier) ISSN: 2405-8440 (I.F.:4.0) (Since 14^th Feb 2022)
• Guest Associated Editor for piezoelectric materials in the journal “Frontiers in Electronic Materials” (Frontiers) ISSN: 2673-9895 (2023)
• Associate Editor, SN Applied Sciences (Springer Nature) ISSN: 2523-3971 (I.F.: 2.6) (Since 2017)

Publications

Journals:

Published

2023

• T. Yajima, Y. Samata, S. Hamasuna, S. P. Pati, and A. Toriumi, Zero-dimensionality of scaled-down VO₂ metal-insulator transition revealed by high-resolution electrostatic gating, NPG Asia Mater. 15, 39 (2023) (I.F.:10.761)
• A. Das, M. Mrinalini, T. Usami, S.P. Pati, T. Taniyama and V. Gorige, Electric and Magnetic Tuning of Gilbert Damping Constant in LSMO/PMN-PT(011) Heterostructure, J. Phys.: Condens. Matter. 35, 285801:1-8 (2023), doi: 10.1088/1361-648X/accc66, (I.F. : 2.745)

2022

• S.P. Pati, T. Usami, S. Komori, and T. Taniyama,ã??Emergence of Quasi Two-Dimensional Electronic States at the Interface of LSMO/STO via Lattice Mismatch-Induced Strains, ACS Applied Electronic Materials 4, 4748-4754 (2022), doi: 10.1021/acsaelm.2c00967 (I.F.: 4.494)
• T. Yajima, and S.P. Pati, Controlling proton volatility in SiO₂-capped TiO₂ thin films for neuromorphic functionality, Appl. Phys. Lett. 120, 241601:1-6 (2022) doi: 10.1063/5.0094481 (I.F.: 3.791) (Editor’s Pick).

2021

• N.R. Panda, S.P. Pati, D. Sahu, and D. Das, Effect of incorporation of magnetization in antiferromagnetic Cr₂O₃ by mechanically alloying with α-Fe nanoparticles, Materials Letters 300, 130170 (2021). Doi: 10.1016/j.matlet.2021.130170. (I.F.: 3.423).
• S.P.Pati, Room temperature magnetization dynamics of Y₃Fe₅O₁₂ films capped with a Cr₂O₃ layer, Materials Letters, 299, 130088 (2021). Doi: 10.1016/j.matlet.2021.130088. (I.F.: 3.423).
• P.K. Mishra, N.R. Panda, S.P. Pati, S.K. Biswal, D Sahu, Studying the Effects of Cu Doping on Structure and Photoluminescence Properties of SnO₂ Nanoparticles for Its Effectiveness in the Mineralization of Toxic Industrial Dye, ECS Journal of Solid State Science and Technology, 10, 071006 (2021) doi: 10.1149/2162-8777/ac0cc6. (I.F.: 2.142).

2020

• T. Nozaki, M. Al-Mahdawi, Y. Shiokawa, S. P. Pati, H. Imamura and M. Sahashi Magnetic anisotropy of doped Cr₂O₃ antiferromagnetic films evaluated by utilizing parasitic magnetization, J. Appl. Phys. 128, 023901 (2020) doi:10.1063/5.0009353 (I.F.: 2.546)
• S. Ye, Y. Shiokawa, S. P. Pati, and M. Sahashi, Parasitic Magnetism in Magnetoelectric Antiferromagnet, ACS Applied Materials & Interfaces, 12, 26, 29971–29978 (2020) doi: 10.1021/acsami.0c06210 (I.F.: 10.383).
• S.P. Pati and T. Taniyama, Voltage-driven strain-induced coexistence of both volatile and non-volatile interfacial magnetoelectric behaviors in LSMO/PMN-PT (001), J. Phys D. Appl. Phys, 53, 054003 (2020) doi: 10.1088/1361-6463/ab50e7 (I.F.: 3.207) (Invited Article).
• S.P. Pati, Influence on the Gilbert damping of yttrium-iron-garnet films by the spin-pumping effect, Materials Science in Semiconductor Processing, 107, 104821 (2020), doi: 10.1016/j.mssp.2019.104821 (I.F.: 3.927).
• S.P. Pati, Study on the Gilbert damping of polycrystalline YIG films with different capping layers, Current Applied Physics, 20, 167-171 (2020), doi: 10.1016/j.cap.2019.10.022 (I.F.:2.48).

2019

• N.R. Panda, S.P. Pati, and D.Das, Uncompensated surface states in antiferromagnetic FeF₂ nanoparticles induced by mechanical milling, Applied Surface Science 491, 313-318 (2019), doi: 10.1016/j.apsusc.2019.06.152. (I.F.: 6.707)
• S. Ye, Y. Shiokawa, S. P. Pati, and M. Sahashi, Spin Reversal Mechanism of a Perpendicular Exchange Bias System with an Antiferromagnet Incorporating a Parasitic Ferromagnetism, physica status solidi- Rapid Research Letter (RRL), 13, 1900135: 1-8 (2019), doi: 10.1002/pssr.201900135. (I.F.: 3.721)
• T. Nozaki, S. P. Pati, Y. Shiokawa, M. Suzuki, T. Ina, K. Mibu, M. Al-Mahdawi, S. Ye, and M. Sahashi, Identifying valency and occupation sites of Ir dopants in antiferromagnetic a-Fe₂O₃ thin films with X-ray absorption fine structure and Mössbauer spectroscopy. J. Appl. Phys. 125, 113903, (2019), doi: 10.1063/1.5080483. (I.F.:2.546) (featured article)
• S. P. Pati and Y. Endo, Enhanced Low-temperature Interfacial Gilbert Damping in Pt/YIG/Pt Trilayer Structures, IEEE Trans. Magn., 55(2), 6100104:1-4 (2019), doi: 10.1109/TMAG.2018.2863678. (I.F: 1.7)

2018

• T. Nozaki, M. Al-Mahdawi, Y. Shiokawa, S. P. Pati, S. Ye, Y. Kotani, K. Toyoki, T. Nakamura, M. Suzuki, S. Yonemura, T. Shibata, and M. Sahashi, Manipulation of antiferromagnetic spin using tunable parasitic magnetization in magnetoelectric antiferromagnet, physica status solidi- Rapid Research Letter (RRL), 12, 1800366: 1-7 (2018), doi: 10.1002/pssr.201800366 (I.F: 3.721)
• A. Chaudhuri, K. Mandal, S. P. Pati and D. Das, High performance gas sensing based on nano rods of nickel ferrite fabricated by a facile solvothermal route, Materials Research Express, 5, 065056 (2018), doi: 10.1088/2053-1591/aacb36, (IF:2.025)
• S. Ye, T. Nozaki, Y. Kotani, K. Toyoki, T. Nakamura, S. Yonemura, T. Shibata, S. P. Pati, M. Al-Mahdawi, Y. Shiokawa, and M. Sahashi, Inserted metals for low-energy magnetoelectric switching in a Cr₂O₃/ferromagnet interfacial exchange-biased thin film system, Journal of Materials Chemistry C, 6, 2962-2969 (2018), doi: 10.1039/C7TC05375D (IF:7.393)
• N. R. Panda, S. P. Pati, A. Das, and D. Das, Annealing temperature induced phase evolution and exchange bias properties of Fe/CoO nanocomposites, Applied Surface Science, 449,654-659, (2018), doi: 10.1016/j.apsusc.2017.12.003  (IF: 6.707)

2017

• T. Nozaki, Y. Shiokawa, Y. Kitaoka, Y. Kota, H. Imamura, M. Al-Mahdawi, S. P. Pati, S. Ye, S. Yonemura, T. Shibata, and M. Sahashi, Large perpendicular exchange bias and high blocking temperature in Al-doped Cr₂O₃/Co thin film systems, Applied Physics Express 10, 073003 (2017), doi: 10.7567/APEX.10.073003, (IF: 3.086)
• T. Nozaki, M. Al-Mahdawi, S. P. Pati, S. Ye, Y. Shiokawa, and M. Sahashi, Magnetoelectric switching energy in Cr₂O₃ /Pt/Co perpendicular exchange coupled thin film system with small Cr₂O₃ magnetization. Jpn. J. Appl. Phys. 56, 070302 (2017) doi: 10.7567/JJAP.56.070302 (I.F.: 1.480)
• S. P. Pati, M. Al-Mahdawi, S. Ye, T. Nozaki, and M. Sahashi, Control of Spin-reorientation transition in (0001) oriented a-Fe₂O₃ thin film by external magnetic field and temperature, Phys. Status Solidi RRL, 11, 1700101 (2017) / DOI 10.1002/pssr.201700101. (I.F.: 3.721)
• S. P. Pati, M. Al-Mahdawi, Y. Shiokawa, M. Sahashi, and >Y. Endo, Effect of a Platinum Buffer Layer on the Magnetization Dynamics of Sputter Deposited YIG Polycrystalline Thin Films, IEEE Transactions on Magnetics, Volume: 53, Issue: 11, 6101105 (2017), doi: 10.1109/TMAG.2017.2695560 (I.F.: 1.7 )
• M. Al-Mahdawi, S. P. Pati, Y. Shiokawa, S. Ye, T. Nozaki, and M. Sahashi, Low-energy magnetoelectric control of domain states in exchange-coupled heterostructures, Phys. Rev. B. 95, 14423 (2017), doi 10.1103/PhysRevB.95.144423 (I.F.:4.036 )
• T. Nozaki, M. Al-Mahdawi, S. P. Pati, S. Ye, and M. Sahashi, Control of >lateral ferromagnetic domains in Cr₂O₃/Pt/Co positive exchange bias system, Appl Phys. Lett. 110, 132408(2017) doi: 10.1063/1.4979546 (I.F.:3.791)
• M. Al-Mahdawi, Y. Shiokawa, S. P. Pati, S. Ye, T. Nozaki, and M. Sahashi, Apparent critical behavior of sputter-deposited magnetoelectric antiferromagnetic Cr₂O₃ films near Neel temperature, J. Phys. D: Appl Phys 50, 155004 (2017) doi: 10.1088/1361-6463/aa623e (I.F.: 3.207)
• S. Ye, S. P. Pati, Y. Shiokawa, M. Al-Mahdawi, T. Nozaki, and M. Sahashi, Observation of perpendicular exchange bias in Ir-doped Fe₂O₃/Co ultrathin film system, Physical Chemistry Chemical Physics 19, 8188-8193 (2017) doi: 10.1039/C7CP00445A (I.F.:4.449)
• N. Shimomura, S. P. Pati, T. Nozaki, T. Shibata, and M. Sahashi, Enhancing the blocking temperature of perpendicular-exchange biased Cr₂O₃ thin films using spacer and buffer layers, AIP Advances 7, 025212 (2017) doi: 10.1063/1.4977714 (I.F.:1.579)
• A. K. Rathore, S. P. Pati, M. Ghosh, A. Roychowdhury, and D. Das, Effect of ZnO coating on two different sized α-Fe nanoparticles: synthesis and detailed investigation of their structural, optical, hyperfine and magnetic characteristics, J Mater Sci: Mater Electron, 28, 6950-6958, (2017), doi:10.1007/s10854-017-6395-7 (I.F.: 2.478)
•  K. Bhattacharjee, S. P. Pati, G. C. Das, and K. K. Chattopadhyay, Solvent Dependent Phase Transition Between Two Polymorphic Phases of Manganes Tungstate: From Rigid to Hollow Microsphere, Crystal Growth and Design,17 (2),719–729 (2017) (doi: 10.1021/acs.cgd.6b01575) (I.F.: 4.425)

2016

• S. P. Pati, M. Al-Mahdawi, S. Ye, Y. Shiokawa, T. Nozaki, and M. Sahashi, Finite-size scaling effect on Neel temperature of antiferromagnetic Cr₂O₃-(0001) films in an exchange-coupled heterostructure. Phys. Rev. B. 94, 224417 (2016).doi: 10.1103/PhysRevB.94.224417  (IF: 4.036)
• T. Mitsui, K. Mibu, M. Seto, M. Kurokuzu, S. P. Pati, T. Nozaki, and M. Sahashi, Observation of Enhancement of the Morin Transition Temperature in Iridium-Doped α-Fe₂O₃ Thin Film by ⁵⁷Fe-Grazing Incidence Synchrotron Radiation Mössbauer Spectroscopy, Journal of the Physical Society of Japan 85, 063601 (2016). Doi:10.7566/JPSJ.85.063601(I.F.: 2.572)
• K. Bhattacharjee, S. P. Pati and A. Maity, High critical field NbC superconductor on carbon sphere, Phys Chem Chem Phys, 18, 15218-15222(2016) doi: 10.1039/C6CP01771A, (I.F.: 4.493 )
• K. Bhattacharjee, T. N. Chatterjee, S. P. Pati, G. C. Das, S. S. Ray, and A. Maity, Synthesis and magnetic property of highly dispersed tantalum carbide nanoparticles decorated on carbon spheres, Cryst. Eng. Comm., 18, 1427-1438 (2016) DOI: 10.1039/C5CE02350E (I.F.: 4.034)

2015

• S. P. Pati, N. Shimomura, T. Nozaki, T. Shibata, and M. Sahashi, Néel Temperature of Cr₂O₃ in Cr₂O₃/Co exchange coupled system: Effect of buffer layer, J. Appl. Phys. 117, 17D137 (2015), doi: 10.1063/1.4917263. (IF=2.546)
• N. Shimomura, S. P. Pati, Y. Sato, T. Nozaki, T. Shibata, K. Mibu and M. Sahashi, Morin Transition Temperature in (0001)-Oriented α-Fe2O3 Thin Film and Effect of Ir Doping, J. Appl. Phys. 117, 17C736 (2015). doi: 10.1063/1.4916304.(IF=2.546)
• A. Das, A. Roychowdhury, S. P. Pati, S. Bandyopadhyay, and D. Das, Structural, magnetic and hyperfine properties of single-phase SrFe₁₂O₁₉ nanoparticles prepared by a sol-gel route, Physica Scripta, 90, 025802 (2015). doi:10.1088/0031-8949/90/2/025802.(I.F.=2.487)
• A. Roychowdhury, S. P. Pati, S. Kumar, and D. Das, Tunable properties of magneto-optical Fe₃O₄/CdS nanocomposites on size variation of the magnetic component, Materials Chemistry and Physics, 151, 105-111 (2015). Doi:10.1016/j.matchemphys.2014.11.043.(IF=4.094)

2014

• K. Bhattacharjee, S. P. Pati, G. C. Das, D. Das and K. K. Chattopadhyay, Effect of particle size distribution on the structure, hyperfine and magnetic properties of Ni_0.5Zn_0.5Fe₂O₄ nanopowders, J. Appl. Phys. 116, 233907 (2014). [doi:10.1063/1.4904518](I.F.=2.546)
• A. K. Rathore, S. P. Pati, A. Roychowdhury, M. Ghosh, and D. Das, Structural, Optical, Hyperfine and Magnetization studies of ZnO encapsulated α-Fe Nanoparticles, Mater. Res. Bull. 60, 566-571 (2014) DOI:10.1016/j.materresbull.2014.09.004.(IF=2.288)
• N.R. Panda, D. Sahu, B.S. Acharya, P. Nayak, S. P. Pati, and D. Das, Effect of Zn Concentration on microstructural, optical and hyperfine properties of nanocrystalline α-Fe₂O_3. Acta Meatall. Sin. (Engl. Lett.), 27(4), 563-568, (2014), doi: 10.1007/s40195-014-0093-8. (IF=2.755)
• S. P. Pati, and D. Das, Interfacial magnetic phenomena of mechanosynthesized Fe nanoparticles in MnO matrix, Ceramics International, 40, 10343–10349, (2014)  doi:10.1016/j.ceramint.2014.03.007.(IF=5.532)
• A. Roychowdhury, S. P. Pati, S. Kumar, and D. Das, Effects of magnetite nanoparticles on optical properties of zinc sulfide in fluorescent-magnetic Fe₃O₄/ZnS nanocomposites, Powder Technology, 254, 583-590, (2014). Doi:10.1016/j.powtec.2014.01.076. (IF=5.134)
• S. P. Pati, and D. Das, Interparticle and collective states of interactions in mechanically milled Fe/CoO nanocomposites, J. Nanoparticle research. 16(2), 1-12, (2014). Doi: 10.1007/s11051-014-2278-5.(IF=2.253)
• S. Mukherjee, K. Mukhopadhyay, S. Sutradhar, S. P. Pati, A. K. Deb, D. Das and P. K. Chakrabarti, Magnetic and Mössbauer Studies of Bare and Encapsulated Nanoparticles of [(Co_0.2Mn_0.3Zn_0.5Fe₂O₄)_(1-x) (ZnO/PVA)_x (x = 0 and 0.30)], J. Phys. Chem. C, 117, 12787−12799, (2013) ,DOI: 10.1021/jp311620u.(IF=4.772)
• S. Sutradhar, K. Mukhopadhyay, S. P. Pati, S. Das, D. Das and P.K. Chakrabarti, Modulated magnetic property, enhanced microwave absorption and Mössbauer spectroscopy of Ni_0.40Zn_0.40Cu_0.20Fe₂O₄ nanoparticles embedded in carbon nanotubes, Journal of Alloys and Compounds 576, 126–133, (2013). doi:10.1016/j.jallcom.2013.04.059.(IF=6.371)
• A. Roychowdhury, S. P. Pati, A.K. Mishra, S.Kumar, and D.Das, Magnetically addressable fluorescent Fe₃O₄/ZnO nanocomposites: structural, optical and magnetic studies, J Phys Chem solids 74, 811-818, (2013). Doi: 10.1016/j.jpcs.2013.01.012. (IF=3.995)
• S. P. Pati, A. Roychowdhury, S. Kumar, and D.Das. Signature of exchange bias and spin-glass like phenomena in Fe/CoO nanocomposite, J. Appl. Phys. 113, 17D708 (2013). doi: 10.1063/1.4795441.(IF=2.546)

2012

• N. R. Panda, B. S. Acharya, P. Nayak, S. P. Pati, B. K. Nath, and D. Das, Role of Cr³⁺ ions on superexchange coupling in α-Fe₂O₃ nanoparticles, Physica B, 407, 2716-2720, (2012). Doi: 10.1016/j.physb.2012.03.071.(IF=2.436)
• S. P. Pati, S. Kumar, and D. Das, Memory effects in exchange coupled Fe/Co₃O₄ nanocomposites, Mater. Chem. Phys. 137, 303-309, (2012). Doi: 10.1016/j.matchemphys.2012.09.025.(IF=4.094)
• S. Sutradhar, S. P. Pati, S. Acharya, S. Das, D. Das, and P. K. Chakrabarti, Sol–gel derived nanoparticles of Zn substituted lithium ferrite (Li_0.32Zn_0.36Fe_2.32O₄): magnetic and Mössbauer effect measurements and their theoretical analysis, J. magn. Magn. Mater. 324, 1317-1325, (2012). doi:10.1016/j.jmmm.2011.11.019.(IF=3.097).

2011

• S. P. Pati, B.Bhushan, A. Basumallick, S. Kumar, and D. Das, Exchange bias and suppression of superparamagnetism of a-Fe nanoparticles in NiO matrix, Materials science and engineering: B. 176, 1015-1020, (2011). doi:10.1016/j.mseb.2011.05.019.(IF=4.051)

2010

• S. P. Pati, B. Bhushan, and D. Das, Exchange interaction at the interface of Fe-NiO nanocomposites, J. Solid State Chem. 183, 2903-2909, (2010). doi:10.1016/j.jssc.2010.09.037.(IF=3.498)

Books and Chapters

• ·Interfacial Magnetism in Nanocomposites: Exchange Bias and Spin-glass Like Phenomena in Ferromagnetic/Antiferromagnetic Nanocomposites. LAP Lambert Academic Publishing (2015-01-28). ISBN-13: 978-3-659-68178-3, ISBN-10: 3659681784.
• Exchange Bias and Interfacial Magnetic Phenomena in Mechanically Milled Ferromagnetic/Antiferromagnetic Nanocomposites (Chapter 32), Book Title:  Frontiers in Materials Processing, Applications, Research and Technology: Select Proceedings of FiMPART 2015, pg:365-375, Springer, Singapore, ISBN:978-981-10-4818-0, doi: 10.1007/978-981-10-4819-7_32.

Conference proceedings (Full Length):

• A. Roychowdhury, A. Das, S. P. Pati, S. Kumar, and D. Das, Modified Properties of Fe₃O₄ Nanoparticles on Incorporation of Optically Active ZnSe, AIP Conf. Proc. 1591, 396-398 (2014). doi: 10.1063/1.4872615 (I.F.: 0.402)
• A. Das, A. Roychowdhury, S. P. Pati, S. Bandyopadhyay, and D. Das, Structural, Magnetic and Mössbauer Studies of (BiFeO₃)_0.7-(SrFe₁₂O₁₉)_0.3 Nanocomposite Prepared by a Sol-Gel Route, AIP Conf. Proc. 1591, 399-401 (2014). doi: 10.1063/1.4872616 (I.F.: 0.402)
• S. P. Pati, A. Roychowdhury, S. Kumar, and D. Das, Milling duration induced structural and magnetic properties of Fe/MnO nanocomposites, AIP Conf. Proc. 1536, 107 (2013); doi: 10.1063/1.4810123. (I.F.: 0.402)
• A. Roychowdhury, S. P. Pati, S. Kumar, and D. Das, Magnetic-fluorescent nanocomposite: A case study on Fe₃O₄/ZnS, AIP Conf. Proc. 1512, 246 (2013). doi: 10.1063/1.4791003. (I.F.: 0.402)
• P. V. Rajesh, S. P. Pati, J. B. M. Krishna, B. Ghosh, and D. Das, Formation of β-FeSi₂ by ion implantation of 90 keV Fe¹⁰⁺ ions on N-type silicon. AIP Conf. Proc. 1447, 1051 (2012). doi: 10.1063/1.4710367. (I.F.: 0.402)
• A. Roychowdhury, A. K. Mishra, S. P. Pati, and D.Das, Synthesis and characterization of multifunctional Fe₃O₄-ZnO nanocomposite. AIP Conf. Proc. 1447, 283 (2012). doi: 10.1063/1.4709990. (I.F.: 0.402)
• S. P. Pati, A. Roychowdhury, S. Kumar, and D. Das, Evidence of Exchange Bias in Fe/Co₃O₄ Nanocomposites, AIP Conf. Proc. 1447, 1135 (2012). doi: 10.1063/1.4710408. (I.F.: 0.402)
• S. P. Pati, B. Bhushan, and D. Das, Structural, hyperfine and magnetic characterization of thermo-chemically prepared Fe-Co nanoalloy, AIP conf. Proc. 1347, 87-90 (2010). doi: 10.1063/1.3601792. (I.F.: 0.402)

Conference Presentations:

• S. P. Pati, Towards Ultra Low Power Dissipation in Electronic Devices through Voltage-controlled Phenomena and Device Architecture, 1^st International Conference on Low-Energy Digital Devices and Computing (ICLED-2023), NUS Department of Architecture, Singapore. June29-July1, 2023. (Invited)
• S. P. Pati, S. Hamasuna and T. Yajima, Low-Voltage Control of Synaptic Behavior in WO₃ based Two Terminal Protonic Devices, MRS Spring Meeting 2023, Moscone Centre, San Francisco, USA, April 10-14, 2023. (Poster)
• S. P. Pati, S. Hamasuna and T. Yajima, Modulation of synaptic behavior in a 2-terminal protonic device through proton potential and applied voltage, The 70^th JSAP Spring Meeting, Sophia University, Yotsuya Campus, Japan March 15-18, 2023. (Oral)
• S. P. Pati, S. Hamasuna and T. Yajima, An Ultra-low-voltage Synaptic Behavior of WO₃/Pd based 2-terminal Protonic Memristive Device, International Conference on Solid State Devices and Materials (SSDM2022), Makuhari Messe, Chiba, Japan, September 26-29,2022. (Oral)
• S. P. Pati, S. Hamasuna and T. Yajima, Ultra-sharp conductance change with proton potential in WO₃ heterostructure, The 83^rd JSAP Autumn Meeting, Tohoku University, Kawauchi-Kita Campus, Japan, September 20-23, 2022. (Oral)
• S. P. Pati, S. Hamasuna and T. Yajima, Electrical control of two-terminal protonic device using an amorphous WO₃ thin film, The 69^th JSAP Spring Meeting, Aoyama Gakuin University, Sagamihar Campus, Japan March 22-26, 2022. (Oral)
• S. P. Pati, Artificial Magnetoelectric Materials for Ultra-low Power Consumption Memory Devices, International Conference on Recent Advances in Materials (ICRAM 2022), Organized by Centurion University of Technology and Management, Odisha, India, March 21-23, 2022 (Invited).
• S. P. Pati, M. Al-Mahdawi, M. Oogane, Y. Ando, T. Taniyama, Evidence of Electric Field Induced Magnetization Switching in a Multiferroic Heterostructure with Perpendicular Magnetic Anisotropy, Materials Research Meeting (MRM2021) (Yokohama, Japan), Dec. 13-17, 2021 (Oral).
• S.P. Pati and Y. Endo, Room Temperature Magnetization Dynamics of Y₃Fe₅O₁₂ films Capped with a Cr₂O₃ Layer, 6^th International Conference on Nanoscience and Nanotechnology (ICONN 2021) (Virtual Conference) organized by SRM IST, Chennai, India during February 01-03, 2021 (Oral).
• S.P. Pati, I. Suzuki, S. Sugimoto, and T. Taniyama, Voltage-controlled, strain-mediated magnetic domains in a multiferroic heterostructure having interfacial perpendicular magnetic anisotropy, 44^th Annual Meeting of the Magnetic Society of Japan (online), 14- 17 Dec,2020 (Oral).
• S.P. Pati and T. Taniyama, Nonvolatile electric field control of interfacial perpendicular magnetic anisotropy in Ni/Cu multilayer/ferroelectric substrate, Online Meeting of Spintronics Research Network of Japan (Spin-RNJ) for Young Researchers organized by Center for Spintronics Research Network, CSRN-Osaka during June 3-4, 2020 (Oral).
• S.P. Pati and T. Taniyama, Voltage induced nonvolatile switching of perpendicular magnetization in Ni/Cu multilayer/PMN-PT multiferroics, The International Magnetics (Intermag 2020) conference held at Montreal, Canada during May 4-8, 2020 (Poster).
• S.P. Pati and T. Taniyama, Development of interfacial multiferroics: a case study of LSMO/PMN-PT heterostructure, The MRS Spring meeting held at Phoenix, Arizona, USA during April 13-17, 2020 (Poster).
• S.P. Pati and T. Taniyama, Voltage induced magnetization variation in LSMO/PMN-PT heterostructures, The physical society of Japan 75^th annual meeting held at Nagoya university (Higashiyama Campus), Japan during March 16-19, 2020 (Oral).
• S.P. Pati and T. Taniyama, Voltage induced multilevel nonvolatile switching of perpendicular magnetization in an interfacial multiferroic heterostructure, The 67^th JSAP spring meeting 2020 held at Sophia University, Yotsuya Campus, Japan during March 12-15, 2020 (Poster).
• S.P. Pati and T. Taniyama, Voltage Controlled Interfacial Magnetoelectric Effects Mediated by Piezoelectric Strain, The IEEE magnetic Society Nagoya chapter, young researcher meeting held at Hotel Sunhills Mikawawanan, Gamagori-shi, Aichi, Japan during January 24-25, 2020 (Oral).
• S.P. Pati, T. Usami and T. Taniyama, Magnetization dynamics of epitaxially grown manganite thin films on (001) oriented ferroelectric PMN-PT substrates, The Annual Conference on Magnetism and Magnetic materials (MMM 2019), held at Rio All-Suites Hotel & Casino, Las Vegas, Nevada, USA during Novemeber 4-8, 2019. (Poster)
• S.P. Pati and T. Taniyama, Tuning Curie temperature of La_1-xSr_xMnO_3-δ films by oxygen defect induced lattice strain, The 80^th JSAP autumn meeting, held at Hokkaido University, Sapporo campus during September 18-21, 2019 (Oral).
• S.P. Pati, T. Usami and T. Taniyama, Effect of lattice mismatch induced strain on dynamic magnetic properties of La_1-xSr_xMnO₃ films, The 80^th JSAP autumn meeting, held at Hokkaido University, Sapporo campus during September 18-21, 2019 (Poster).
• S. P. Pati, Influence on the Gilbert Damping of Yttrium-Iron-Garnet Films by the Spin-Pumping Effect, 5^th International Conference on Nanoscience and Nanotechnology (ICONN 2019), held at SRM IST, Chennai, India during January 28^th-30^th, 2019 (Oral).
• S. P. Pati, T. Nozaki, Y. Shiokawa, M. Suzuki, K. Mibu, M. Al-Mahdawi, S. Ye, and M. Sahashi, Beating the Morin type spin-reorientation transition temperature in (0001) oriented a-Fe₂O₃ thin-films by 5d ion doping, International Conference on Magnetic Materials and Applications (ICMAGMA-2018), held at NISER, Bhubaneswar, India during December 9th -13th, 2018 (Invited).
• S. P. Pati and Y. Endo, Study on Magnetization Dynamics of Polycrystalline YIG Films by Broadband-FMR Measurement: Effect of Seed and Capping-layer, 79^th JSAP Autumn Meeting, held at Nagoya Congress Center, Japan during September 18^th-21^st, 2018 (Poster).
• S. P. Pati and Y. Endo, Increased Gilbert Damping at Low Temperature in Polycrystalline YIG Films with Pt Capping layer, International Conference on Magnetism (ICM-2018), held at the Moscone Center in San Francisco, USA during July 15^th-20^th, 2018 (Poster).
• S. P. Pati and Y. Endo, Change in the Magnetization Dynamics of Pt/YIG/Pt trilayes with temperature, The 65^th JSAP Spring Meeting, held at Waseda university, Nishiwaseda campus, Japan during March 17^th-20^th, 2018. (Oral)
• S. P. Pati and Y. Endo, Effect of different capping layer on the Gilbert damping of polycrystalline YIG thinfilm, 62^nd annual conference on magnetism and magnetic materials (MMM 2017) held at David L. Lawrence convention center, Pittsburgh, USA during Nov 6-10, 2017. (Poster)
• S. P. Pati and Y. Endo, Microstructure dependent magnetization dynamics of polycrystalline YIG thin films, 41^st annual conference on magnetic in Japan held at Kyushu University, Ito Campus, Japan during September 19-22 2017. (Oral)
• S. P. Pati and Y. Endo, Effect of normal metal seed and capping layers on the magnetization dynamics of permalloy thinfilms, The 78^th JSAP autumn meeting, held at Fukuoka convention center, Japan during September 5-8, 2017 (Poster).
• S. P. Pati, M. Al-Mahdawi, Y. Shiokawa, M. Sahashi and >Y. Endo, Magnetization dynamics of post-annealed yttrium-iron-garnet thin-films sputter deposited over a platinum electrode, Intermag 2017 held at Dublin, Ireland during April 24^th-28^th 2017. (Poster)
• S. P. Pati, M. Al-Mahdawi, S. Ye, Y. Shiokawa, T. Nozaki, and M. Sahashi, Finite-size scaling behaviour of Néel temperature in magnetoelectric corundum Cr₂O₃ thinfilm, The 61^st Annual Conference on Magnetism and Magnetic Materials (2016 MMM) held at the New Orleans Marriott, Louisiana, USA during October 31 - November 4, 2016.(Poster)
• S. P. Pati, T. Nozaki, and M. Sahashi, Detection of Neel temperature and blocking temperature in an exchange coupled system with ultrathin (≤20nm) Cr₂O₃ film, The 76^th JSAP autumn meeting held at Nagoya Congress Center, Japan during September 13-16, 2015. (Oral)
• S. P. Pati, N. Shimomura, H. Hoshino, T. Nozaki, K. Mibu, and M. Sahashi, Suppression of transition from antiferromagnetic to weak Ferromagnetic state in (0001) oriented a-Fe2O3 film by Ir doping, International Conference on Magnetism (ICM 2015) held at Barcelona, Spain during July 5-10,2015. (Oral).
• S. P. Pati, N. Shimomura, Y. Hoshino, T. Nozaki, K. Mibu, M Sahashi, Enhancement of spin-reorientation-transition temperature in (0001) oriented hematite thin film by Ir Doping (FiMPART’15) held at Hyderabad, India during June 12-15, 2015. (Invited talk)
• S. P. Pati and D. Das, Exchange Bias and interfacial magnetic phenomena in mechanically milled Ferromagnetic/antiferromagnetic nanocomposites, International Conference on Frontiers in Materials processing, applications, research and technology (FiMPART’15) held at Hyderabad, India during June 12-15, 2015.(Poster)
• S. P. Pati, N. Shimomura, H. Hoshino, T. Nozaki, K Mibu and M. Sahashi, Ir-doping effect on Morin temperature of a-Fe2O3 (0001) thin film, The 62^nd JSAP Spring Meeting held at Tokai University, Shonan Campus, Japan during March 11-14, 2015 (Oral)
• S. P. Pati, N. Shimomura, H. Hoshino, T. Nozaki, K. Mibu, and M. Sahashi, Effect of Ir doping on Morin transition temperature of a-Fe2O3 (0001) thinfilm, The Joint Symposium of 9th International Symposium on Medical, Bio- and Nano-Electronics, and 6th International Workshop on Nanostructures & Nanoelectronics, held at Research Institute of Electrical Communication, Tohoku University, Japan during March 2-4, 2015.(Poster)
• S. P. Pati, N. Shimomura, T. Nozaki, T. Shibata and M. Sahashi, Néel Temperature of Cr₂O₃ in Cr₂O₃/Co exchange coupled system: Effect of buffer layer, Magnetism Magnetic Material Conference(MMM 2014), held at Honolulu, Hawaii, USA during Nov 3-7, 2014.(Poster)
• S. P. Pati, N. Shimomura, T. Ashida, M. Oida, T. Nozaki, T. Shibata and M. Sahashi, Observation of Neel temperature of Cr₂O₃ in Cr₂O₃/Co exchange coupled system, 38^th annual conference on magnetics in japan held at KEIO UNIVERSITY Hiyoshi campus, Japan during September 2-5, 2014. (Oral).
• S. P. Pati, A. Roychowdhury, S. Kumar and D. Das, Milling Duration Induced Structural and Magnetic Properties of Fe/MnO Nanocomposites, International Conference on Recent Trends in Applied Physics and Material Science (RAM 2013) held at Govt. College of Engg. And Tech., Bikaner, India during February 01-02, 2013.(Poster)
• S. P. Pati, A. Roychowdhury, S. Kumar and D. Das, Signature of exchange bias and spin-glass like phenomena in Fe/CoO nanocomposite, 12^th Joint MMM/Intermag Conference held at Hyatt Regency, Chicago, Illinois, USA during January 14-18, 2013. (Poster)
• S. P. Pati, A. Roychowdhury, S. Kumar and D. Das, Evidence of Exchange Bias in Fe/Co3O4 Nanocomposites, 56^th DAE-Solid State Physics Symposium-2011 held at SRM University, Kattankulathur, Tamilnadu, India during December 19-23, 2011.(Poster)
• S. P. Pati, S.Kumar and D.Das, Interparticle interaction in sono-chemically prepared Fe/Co3O4  nanocomposites. 2^nd International Conference on Advanced Nanomaterials and Nanotechnology (ICANN-2011) held at Indian Institute of Technology Guwahati, India during December 8-10, 2011.(Poster)
• S. P. Pati, B. Bhushan, A. Basumallick and D. Das, Exchange bias and room temperature coercivity enhancement in mechanically milled Fe-NiO nanocomposites, International Conference on Fundamental and Application of Nano science and technology held at Jadavpur University, India on December 9 to 11, 2010.(Oral)
• S. P. Pati, B. Bhushan and D. Das, Structural, hyperfine and magnetic characterization of thermo-chemically prepared Fe-Co nanoalloy, International Conference on Magnetic Materials 2010, held at SINP, Kolkata, India from October 25 to 29, 2010 (Poster)
• S. P. Pati, B. Bhushan, A. Basumallick and D. Das, Suppression of superparamagnetism by exchange coupling in mechanically milled a-Fe and NiO nanocomposites, International Conference on Radiation Physics and Applications 2010, held at Burdwan University, Burdwan, India from January 16 to 17, 2010.(Poster)
• S. P. Pati, B. Bhushan and D. Das, Exchange interaction at the interface of ferromagnetic a-Fe and antiferromagnetic NiO nanocomposite, 54^th DAE Solid State Physics Symposium 2009, held at M. S. University, Vadodara, India from December 14 to 18, 2009. (Best Poster Presentation award)

Workshop/School:

• Low Temperature Magnetization Dynamics of Pt/YIG/Pt Trilayers by PPMS-FMR Measurement, The 28^th Joint Interlaboratory Workshop on Nano-Magnetics(JIWON) held at Korea university, Seoul, Korea during September 27^th-29^th, 2018 (Oral)
• Study on the Magnetization Dynamics of Polycrystalline YIG Thin-films, S. P. Pati and Y. Endo,  Kick-off Symposium for World Leading Research Centers -Material Science and Spintronics- Held at Sendai International Center, Japan during February 19-20, 2018.(Poster)
• Study of magnetization dynamics of some magnonic crystals, The 25^th Joint Interlaboratory Workshop on Nano-Magnetics(JIWON) held at Iwanumaya, Akiu-Onsen, Sendai, Miyagi, Japan during February 22^nd-23^th , 2017 (Oral)
• Calculation of spin correlation length in Cr₂O₃ from the finite size scaling relation of Néel Temperature, The 24^th Joint Interlaboratory Workshop on Nano-Magnetics(JIWON) held at Hantan River Spa Hotel, Cheorwon-gun, Gangwon-do, Korea during July 20^th-22^nd, 2016. (Oral)
• Finite size scaling behavior of Neel Temperature in magnetoelectric antiferromagnet of Cr₂O₃” The 23^rd Joint Interlaboratory Workshop on Nano-Magnetics(JIWON) held at Iwanumaya, Akiu-Onsen, Sendai, Miyagi, Japan during February 10^th-12^th , 2016 (Oral)
• Control of Neel Temperature (T_N) and Blocking Temperature (T_B) of Ultrathin Chromia, The 22nd Joint Interlaboratory Workshop on Nano-Magnetics(JIWON) held at Hana-Square, Korea University, Seoul, Korea during September 17-19, 2015 (Oral)
• Enhancement of spin-reorientation-transition temperature of a-Fe2O3 thin film by Ir Doping, S.P.Pati, N. Shimomura, T. Nozaki, T,Shibata, and M. Sahashi. Dielectric Spintronics Seminar held at Tohoku University, Aobayama Campus, Japan during January 5, 2015.(Oral)
• “Spin-reorientation-transition (SRT) in epitaxial a-Fe2O3 (0001) thin film: Effect of Ir Doping” The 21st Joint Interlaboratory Workshop on Nano-Magnetics(JIWON) held at Department of Electronic Engineering, Tohoku University, Aoba-Yama 6-6-05, Aramaki, Aoba-ku, Sendai 980-8579, JAPAN, during March5-8 2015.(Oral)
• Controlling Néel temperature of Cr₂O₃ through lattice mismatch induced strain, S. P. Pati, N. Shimomura, T. Nozaki, T. Shibata and M. Sahashi, Spinics workshop held at Yamagata University, Japan during November 13-14, 2014.(Oral)
• National school cum workshop on Magnetic Phase Transitions and Transformations held at Jadavpur University, Kolkata during august 3-9, 2011.
• 3^rd AONSA Neutron School held at Bhabha Atomic Research Centre, Mumbai during October 4-9, 2010.
• National Workshop on Radiation Science and Applications held at burdwan University, Burdwan during November 10^th to 12^th, 2008.