Work presented in Conferences/Workshops/Seminars
22)Rajkumar Modak, Takamasa Hirai, Yuya Sakuraba, Seiji Mitani, Koichi Oyanagi, Takeshi Seki, and Ken-ichi Uchida, High-throughput investigation of magnetoresistance materials based on lock-in thermography. ICMAMGA 2023, Hyderabad, India, Dec 04-06, 2023.
21) R. Modak, T. Hirai, Y. Sakuraba, S. Mitani, K. Oyanagi, T. Seki and K. Uchida. High-throughput screening of magnetoresistance materials based on lock-in thermography. Spin caloritronics XII, Tsukuba, Japan, May 22 - 25, 2023.
20) Rajkumar Modak , Weinan Zhou,Yuya Sakuraba, and Ken-ichi Uchida. Effect of layer thickness to the in-plane coercive field and anomalous Nernst effect in Sm/Co multilayer films. Intermag 2023, Sendai, Japan, May 15 - 19, 2023.
19) MODAK Rajkumar, Masayuki Murata, Dazhi Hou, Asuka Miura, IGUCHI, Ryo, Bin Xu, Rulei Guo, Junichiro Shiomi, SAKURABA, Yuya, UCHIDA, Kenichi. Magnetic phase-transition-induced giant Thomson effect for thermoelectric cooling. The 83rd JSAP Autumn meeting 2022, Kawauchi, Sendai, Japan, September 20 - 23, 2022.
18) R. Modak, Y. Sakuraba, T. Hirai, T. Yagi, H. Sepehri Amin, W. Zhou, H. Masuda, T. Seki, K. Takanashi, T. Ohkubo, and K. Uchida, Sm-Co-based amorphous alloy films for zero-field transverse thermoelectric generation, The 24th International Colloquium on Magnetic Films and Surfaces, Okinawa, Japan, July 10 - 15, 2022.
17) R. Modak, Y. Sakuraba, T. Hirai, T. Yagi, H. Sepehri Amin, H. Masuda, T. Seki, K. Takanashi, W. Zhou, T. Ohkubo, and K. Uchida, Sm-Co-based amorphous alloy films for zero-field transverse thermoelectric generation, The 69th JSAP spring meeting 2022, Sagamihara, Tokyo, Japan, March 22 - 26, 2022.
16) R. Modak, Y. Sakuraba, T. Hirai, T. Yagi, H. Sepehri Amin, H. Masuda, T. Seki, K. Takanashi, W. Zhou, T. Ohkubo, and K. Uchida, Combinatorial investigation of Sm-Co-based amorphous alloy films for zero-field transverse thermoelectric generation, The Symposium of Magnetism and Spintronics, Bhubaneswar, Odish, India, November 25 - 27, 2021.
15) Efficient Tuning of Electronic, Transport, and Thermoelectric Properties of Weyl Semimetal Co2MnAl1-xSix Composition-Spread Thin Film, MODAK Rajkumar, MIURA Yoshio, UEDA Shigenori, UCHIDA Kenichi, SAKURABA Yuya, Presented at "INTERMAG2021", Lyon, France, April 26-30, 2021. Link
14)Efficient Tuning of Electronic, Transport, and Thermoelectric Properties of Weyl Semimetal Co2MnAl1-xSix Composition-Spread Thin Film, R. Modak, Y. Miura, S. Ueda, K. Uchida, and Y. Sakuraba,"The 68th JSAP Spring Meeting", Tokyo, Japan, March 16-19, 2021.
13) Enhancement of temperature change induced by anomalous Ettingshausen effect in ferromagnetic metal films on suspended membrane substrates, MODAK Rajkumar , UCHIDA Kenichi, Presented at "The 67th JSAP Spring Meeting" , 12-15 Mar. 2020, Yotsuya Campus, Sophia University, Tokyo, Japan.
12) Low field microwave absorption and its correlation with magnetization in Ni-Mn-Sn based Heusler alloy films, Bala Ismail Adamu, Rajkumar Modak, A. Srinivasan, V. V. Srinivasu, Presented at "International Conference on Magnetic Materials and Applications" (ICMAGMA-2018), 09-13 Dec. 2018, Bhubaneswar, India.
11) Evaluation of Ni-Mn-X-Sb (X=Si/Fe) alloys for magnetic refrigeration application, Rajkumar Modak, Arnab Das and A. Srinivasan, Presented at IIT Guwahati "Research Conclave 2018" (RC-2018) , 8-11 Mar. 2018, Guwahati, India.
10) Comparison of field swept ferromagnetic resonance methods – A case study using Ni-Mn-Sn films, Rajkumar Modak, B. Samantaray, P. Mandal, V. V. Srinivasu and A. Srinivasan, Presented at "2nd International Conference on Condensed Matter & Applied Physics" (ICC-2017), 24-25 Nov. 2017, Bikaner, India.
9) Structural and optical properties of electrospun MoO3 nanowires, Arnab Kumar Das, Rajkumar Modak and A. Srinivasan, Presented at "2nd International Conference on Condensed Matter & Applied Physics" (ICC-2017), 24-25 Nov. 2017, Bikaner, India.
8) Annealing temperature dependent structural transition and associated magnetic properties of Fe substituted thin films of Ni-Mn-In alloy, Rajkumar Modak, M. Manivel Raja, V.V. Srinivasu and A. Srinivasan, Presented at "Condensed Matter Days- 2017" (CMDAYS-2017) , 29 - 31 Aug. 2017, Tezpur, India.
7) Comparison of field swept ferromagnetic resonance methods for investigating magnetic thin films, Rajkumar Modak and Ananthakrishnan Srinivasan, Presented at "International Conference on Sophisticated Instruments in Modern Research" (ICSIMR-2017) , 30 Jun. -1 Jul. 2017, Guwahati, India.
6) Very Low effective magnetic anisotropy and low Gilbert damping in Fe substituted Ni-Mn-In films, Rajkumar Modak, M. Manivel Raja, V.V. Srinivasu and A. Srinivasan, Presented at IIT Guwahati "Research Conclave 2017" (RC-2017) , 16-19 Mar. 2017, Guwahati, India.
5) Enhanced magneto-caloric effect upon Co substitution in Ni-Mn-Sn thin films, Rajkumar Modak, M. Manivel Raja and A. Srinivasan, Presented at "International Conference on Magnetic Materials and Applications" (ICMAGMA-2017) , 01-03 Feb. 2017, Hyderabad, India.
4) Structural and morphological studies of Mg doped ZnO nanowires prepared by electrospinning route, Arnab Kumar Das, Rajkumar Modak and A. Srinivasan, Presented at "International Conference on Nanoscience, Nanotechnology & Advanced Materials" (NANOS-2015) , 14-17 Dec. 2015, Visakhapatnam, India.
3) Effect of Sputtering Gas Pressure on the Structural and Magnetic Properties of Ni-Mn-Sn Thin Films, Rajkumar Modak and Ananthakrishan Srinivasan, Presented at "International Conference on Nanoscience, Nanotechnology & Advanced Materials" (NANOS-2015) , 14-17 Dec. 2015, Visakhapatnam, India.
2) Structural and magnetic properties of Ni-Mn-Sn thin films, R. Modak, B. Deka, A.K. Singh, A. Gayen, A. Perumal, M. Manivel Raja and A. Srinivasan, Presented at "59th DAE Solid State Physics Symposium" (DAE-SSPS-2014), 16-20 Dec. 2014, Vellore, India.
1) Significant room temperature magneto-caloric effect in Ni-Mn-Sn thin films, R. Modak, B. Deka, M. Manivel Raja and A. Srinivasan, Presented at The First International Conference on "Emerging Materials: characterization & Application" (EMCA-2014) , 04-06 Dec. 2014, Kolkata, India.