R.D. Ralandinliu Kahmei, Sarath Arackal, S. A. Shivashankar, Navakanta Bhat, and Ranajit Sai, “The impact of solvent tanδ on the magnetic characteristics of nanostructured NiZn-ferrite film deposited by microwave-assisted solvothermal technique”, AIP Advances, 11, 2, pp. 025003, (2021).
S. Yabukami, K. Nozawa, L. Tonthat, K. Okita, and Ranajit Sai, “Impact of complex permeability measurements up to millimetre-wave frequency range”, IEEE Transaction of Magnetics, 57, 2, pp. 9149663, (2020).
R. D. R. Kahmei, Ranajit Sai, S. Arackal, S. A. Shivashankar, and N. Bhat, “Nanostructured Zn-substituted Nickel Ferrite thin film: CMOS compatible deposition and excellent soft magnetic properties”, IEEE Magnetics Letters, 10, pp. 2941427, (2019).
Ranajit Sai, M. Sato, Y. Miyazawa, A. Takahashi, and M. Yamaguchi, “Electromagnetic noise suppression composite sheets made of hexagonal particles”, IEEE Transaction of Magnetics, 54, 11, pp. 2849020, (2018).
Ranajit Sai, M. Yamaguchi, S. A. Shivashankar, and N. Bhat, “Magnetic nanoferrites for RF CMOS: Enabling 5G and beyond”, ECS Interfaces (Invited article), 26, 4, pp. 71, (2017).
Ranajit Sai, S. D. Kulkarni, M. Yamaguchi, N. Bhat, and S. A. Shivashankar, “An integrated X-band inductor with nano-ferrite-film core”, IEEE Magnetics Letters, 8, pp. 7826968, (2017).
Ranajit Sai, Y. Endo, Y. Shimada, M. Yamaguchi, and S. A. Shivashankar, “Oriented nanometric aggregates of partially inverted zinc ferrite: One-step processing and tunable high-frequency magnetic properties”, Journal of Applied Physics, 117, 17, pp. 17E511, (2015).
P. L. Venugopalan, Ranajit Sai, Y. Chandorkar, B. Basu, S. A. Shivashankar, and A. Ghosh, “Conformal cytocompatible ferrite coatings facilitate the realization of a nano-voyager in human blood”, Nano Letters, 14, 4, pp. 1968, (2014).
Ranajit Sai, K. J. Vinoy, N. Bhat, and S. A. Shivashankar, “CMOS-compatible and scalable deposition of nanocrystalline zinc ferrite thin film to improve inductance density of integrated RF inductor”, IEEE Transactions on Magnetics, 49, 7, pp. 4323, (2013).
Ranajit Sai, S. D. Kulkarni, K. J. Vinoy, N. Bhat, and S. A. Shivashankar, “ZnFe2O4: Rapid and sub-100 °C preparation and anneal tuned magnetic properties”, Journal of Materials Chemistry, 22, 5, pp. 2149, (2012).
Patents
Ranajit Sai, K. J. Vinoy, N. Bhat, and S. A. Shivashankar, “High frequency integrated device with an enhanced inductance and a process thereof”, Patentee: Indian Institute of Science (IISc), Bengaluru, India; US Patent No. 9741656 (2017); Indian Patent No. 369720 (2013).
Ranajit Sai, S. A. Shivashankar, and Manish Hooda, “A microwave-assisted device, system, and method for deposition of thin films and coatings”, International Patent Appl. No. PCT/IN/2020/050923 (2020), Publication No. WO/2021/084561 (2021).
Neha Sakhuja, Ravindra Jha, Ranajit Sai, and N. Bhat, “A chemiresistive gas sensor and a method of fabrication thereof”, Applications filed for Indian (No. 202041034329) and US patents (2020).
Ranajit Sai, S. A. Shivashankar, Sarath Arackal, Manish Hooda, and Navakanta Bhat “Nanocrystalline spinel-type compounds with local non-cubic spinel structures and process thereof”, Indian Patent Application (Provisional) No. 202141044607 (2021).
Conference and Seminars
(Selected)
Ranajit Sai, S. Arackal, RDR Kahmei, N. Bhat, M. Yamaguchi, S. A. Shivashankar, “Crystallographic inversion mediated superparamagnetic relaxation in Zn-ferrite nanocrystals”, 64th Annual conference on Magnetism and Magnetic Materials (MMM-2019), (Paper ID: HH-08), Las Vegas, USA, 8th Nov. 2019.
Ranajit Sai, and M. Yamaguchi, “High-Q on-chip C-band inductor with a nanocrystalline MnZn-ferrite film core”, 12th Joint MMM/Intermag, (Paper ID: FD-06), Washington, DC, USA, 17th Jan. 2019.
M. Yamaguchi, Y. Miyazawa, J. Ma, M. Sato, A. Takahashi, S. Tanaka, Ranajit Sai, and M. Nagata, “Magnetic Powder Composite Noise Suppressor to Improve Receiver Sensitivity”, International Symposium and Exhibition on Electromagnetic Compatibility (EMC Europe 2018), Amsterdam, Nederland, 27th Aug. 2018.
Ranajit Sai, M. Sato, Y. Miyazawa, A. Takahashi, and M. Yamaguchi, “Hexaferrite Composite Sheet to be Embedded in IC Chip for SHF-Range Noise Suppression”, The 5th International Conf. of Asian Union of Magnetics Societies (Invited, IcAUMS 2018), (Paper ID: G7-1241), Jeju, Korea, 3rd June 2018.
M. Yamaguchi, T. Yanai, H. Nakayama, Ranajit Sai, H. Fujiwara, Y. Kitai, and U. Sangawa, “Skin Effect Suppressed Ni-Fe/Cu Electroplated Multilayer Wiring for High Data-Rate and Low Delay-Time I/O Interface Board”, IEEE International conference on Magnetics (Intermag 2018), (Paper ID: CE-06), Singapore, 25th Apr. 2018.
Ranajit Sai, M. Yamaguchi, N. Bhat, and S. A. Shivashankar, “On-chip electromagnetic noise suppression up to 30 GHz by composite spinel ferrite thick film”, 62nd Annual conference on Magnetism and Magnetic Materials (MMM-2017), (Paper ID: CI-12), Pittsburgh, USA, 8th Nov. 2017.
Ranajit Sai, M. Sato, S. A. Shivashankar, and M. Yamaguchi, “RF IC chip level noise suppressor against power electronic noise injection for near-future telecommunication systems”, Moscow International Symp. on Magnetism (Invited, MISM-2017), (Paper ID: 2TL-H-4), Moscow, Russia, 2nd July 2017.
Ranajit Sai, M. Yamaguchi, N. Bhat, and S. A. Shivashankar, “On-chip ferrite-core inductor with highest inductance density for the X-band”, 61st Annual conference on Magnetism and Magnetic Materials (MMM-2016), (Paper ID: GF-08), New Orleans, USA, 4th Nov. 2016.
Ranajit Sai, Y. Endo, Y. Shimada, M. Yamaguchi, and S. A. Shivashankar, “Oriented nanometric aggregates of partially inverted zinc ferrite: One-step processing and tunable high-frequency magnetic properties”, 59th Annual Conference on Magnetism and Magnetic Materials (MMM-2014), (Paper ID: FG-12), Honolulu, Hawaii, USA, 4th Nov. 2014.
Ranajit Sai, K. J. Vinoy, N. Bhat, and S. A. Shivashankar, “CMOS-compatible and scalable deposition of nanocrystalline zinc ferrite thin film to improve inductance density of integrated RF inductor”, 12th Joint MMM/Intermag Conference, (Paper ID: GG-01), Chicago, Illinois, USA, 18th Jan. 2013.
