2021
Papers
K. Ogata, Y. Nakayama, G. Xiao, and H. Kaiju: “Observation and theoretical calculations of voltage-induced large magnetocapacitance beyond 330% in MgO-based magnetic tunnel junctions”, Sci. Rep. Vol. 11, pp. 13807(1-10) (2021) [Press release].
T. Nakagawa, K. Ogata, Y. Nakayama, G. Xiao, and H. Kaiju: “Sign Inversion Phenomenon of Voltage-induced Tunnel Magnetocapacitance”, Appl. Phys. Lett. Vol. 118, pp. 182403(1-5) (2021).
H. Fujiwara, S. Kawaguchi, D. Yonekawa, and H. Kaiju: “Development of magnetic responsive random lasers fabricated by a laser-induced surface roughness”, Appl. Phys. Lett. Vol. 119, pp. 041105(1-5) (2021).
H. Kaiju and T. Nagahama:“Principle and Recent Advances in Tunnel Magnetocapacitance Effect”, IEEJ Transactions on Fundamentals and Materials, Vol.141, pp. 270-278 (2021).
2020
Papers
R. Msiska, S. Honjo, Y. Asai, M. Arita, A. T. Fukuchi, Y. Takahashi, N. Hoshino, T. Akutagawa, O. Kitakami, M. Fujioka, J. Nishii and H. Kaiju: “Tunnel Magnetocapacitance in Fe/MgF2 Single Nanogranular Layered Films”, Appl. Phys. Lett., Vol. 116, pp. 082401(1-5) (2020).
K. Sawano, K. Tsukiyama, M. Shimizu, M. Takasaki, Y. Oaki, T. Yamamoto, Y. Einaga, C. Jenewein, H. Cölfen, H. Kaiju, T. Sato, H. Imai, “Enhanced coercivity on self-assembled stacking of ferrimagnetic and antiferromagnetic nanocubes”, Nanoscale, Vol. 12, pp. 7792-7796 (2020).
A. Miyazaki, T. Kinoshita, T. Tatebayashi, T. Fang, Y. Ren, T. Ishiyama, T. Yamaguchi, T. Omata, M. Fujioka, H. Kaiju, G. Zhao, and J. Nishii, “Thermal stability and proton conductivity of densely proton injected phosphate glasses containing rareearth elements”, J. Non-Cryst. Solids. Vol. 541, pp. 120064(1-7) (2020).
K. Zagarzusem, M. Fujioka, T. Shibuya, S. Demura, S. Adachi, Y. Takano, M. Jeem, M. Ono, H. Kaiju and J. Nishii,“Discovery of AgxTaS2 Superconductor with Stage-3 Structure”, 2D Materials Vol. 8, pp. 015007(1-10) (2020).
H. Kaiju,“Voltage-induced magnetocapacitance effect in magnetic tunnel junctions”, Materia Japan 59, pp.191-198 (2020).
Conferences
K. Senshu, Y. Sasaki, Y. Nakayama, T. Misawa, T. Komine, N. Hoshino, T. Akutagawa, M. Fujioka, J. Nishii and H. Kaiju: “Spin transport properties in Ni78Fe22/Mq3(M=Al, Er)/Ni78Fe22 nanoscale junction devices utilizing magnetic thin-film edges”, International Microprocesses and Nanotechnology Conference, Online, 2020-22-6 (2020).
K. Ogata, Y. Nakayama, G. Xiao, and H. Kaiju: “Voltage-induced large magnetocapacitance effect in MgO-based magnetic tunnel junctions”, International Microprocesses and Nanotechnology Conference, Online, 2020-22-2 (2020).
2019
Papers
H. Kaiju, T. Nagahama, O. Kitakami,J. Nishii and G. Xiao,“Room-temperature large magnetocapacitance effect in magnetic tunnel junctions”, Bulletin of Topical Symposium of the Magnetics Society of Japan 224, pp. 7-13 (2019).
H. Kaiju, M. Fujioka,and J. Nishii,“Realization of Novel Nanoscale-Junction Devices Using Magnetic Thin-Film Edges”, IEEJ Journal 139, pp. 730-735 (2019).
Conferences
R. Msiska, S. Honjo, Y. Asai, M. Arita, A. T. Fukuchi, Y. Takahashi, N. Hoshino, T. Akutagawa, O. Kitakami, M. Fujioka, J. Nishii and H. Kaiju: “Experimental and Theoretical Study on Tunnel Magnetocapacitance in Fe/MgF2 Nanogranular Films”, The 6th Japan-Korea International Symposium on Materials Science and Technology 2019, Sapporo, Japan (2019) [Best Poster Award]
H. Kaiju, T. Nagahama, O. Kitakami, J. Nishii, and G. Xiao: “Magnetocapacitance Effect in Spintronic Devices”, The 6th Japan-Korea International Symposium on Materials Science and Technology 2019, Sapporo, Japan (2019) [invited]
Masaya Fujioka, Kento Sato, Masanori Nagao, Satoshi Demura, Hideaki Sakata, Adachi Shintaro, Yoshihiko Takano, Hideo Kaiju, Malbaert Jeem, and Junji Nishii, “Solid state electrochemistry for intercalation by using proton-driven ion introduction”, Materials Research Meeting 2019, Yokohama (2019) [invited]
SASAKI, Yuma; MSISKA, Robin; MISAWA, Takahiro; MORI, Sumito; KOMINE, Takashi; HOSHINO, Norihisa; AKUTAGAWA, Tomoyuki; FUJIOKA, Masaya; NISHII, Junji; KAIJU, Hideo: "Electric and magnetic properties in Ni78Fe22/Mq3(M=Al, Er)/Ni78Fe22 nanoscale junction devices utilizing magnetic thin-film edges", The 13th Pacific Rim Conference of Ceramic Societies (PACRIM13), Okinawa Convention Center, Okinawa (2019)
FANG, Tong; TATEBAYASHI, Takashi; FUJIOKA, Masaya; KAIJU, Hideo; REN, Yang; ZHAO, Gaoyang; NISHII, Junji: “Thermal Stability of Proton Conductive Phosphate Glasses”, The 13th Pacific Rim Conference of Ceramic Societies (PACRIM13), Okinawa Convention Center, Okinawa (2019)
Yuma Sasaki, Robin Msiska, Takahiro Misawa, Sumito Mori, Takashi Komine, Norihisa Hoshino, Tomoyuki Akutagawa, Masaya Fujioka, Melbert Jeem, Madoka Ono, Junji Nishii, and Hideo Kaiju; “Junction Area and Bias Voltage Dependence of MR Ratio in Ni78Fe22/Mq3(M=Al, Er)/Ni78Fe22 Nanoscale Junction Devices Utilizing Magnetic Thin-film Edges”, 2019 International Symposium of Research Institute for Electronic Science (RIES) Hokkaido University & Center for Emergent Functional Matter Science (CEFMS) National Chiao Tung University, Sapporo (2019)
T. Fang, T. Tatebayashi, M. Fujioka, H. Kaiju, Y. Ren, G. Zhao, M. Jeem, M. Ono, and J. Nishii; “Thermal Stability of Proton Conductive Phosphate Glasses Containing Rare Earth Elements”, 2019 International Symposium of Research Institute for Electronic Science (RIES) Hokkaido University & Center for Emergent Functional Matter Science (CEFMS) National Chiao Tung University, Sapporo (2019)
Y. Sasaki, R. Msiska, T. Misawa, S. Mori, T. Komine, N. Hoshino, T. Akutagawa, M. Fujioka, J. Nishii, and H. Kaiju: “Ni78Fe22/Mq3(M=Al, Er)/Ni78Fe22 nanoscale junction devices utilizing magnetic thin-film edges”, The 3rd Workshop on Functional Materials Science, Sapporo (2019)
Y. Sasaki, R. Msiska, T. Misawa, S. Mori, T. Komine, N. Hoshino, T. Akutagawa, M. Fujioka, J. Nishii, H. Kaiju, “Molecular nano-spintronic devices utilizing magnetic thin-film edges”, Industry-UCB-UEC-Keio Workshop 2019, Yokohama, Japan (2019)
H. Kaiju, T. Misawa, T. Nagahama, T. Komine, O. Kitakami, M. Fujioka, J. Nishii and G. Xiao: “Voltage-induced Magnetocapacitance in Magnetic Tunnel Junctions”, 2019 Joint MMM-Intermag Conference, Washington DC, USA (2019)
Y. Sasaki, R. Msiska, T. Misawa, S. Mori, T. Komine, N. Hoshino, T. Akutagawa, M. Fujioka, J. Nishii, H. Kaiju: “Electric and magnetic properties of Ni78Fe22/Alq3/Ni78Fe22 nanoscale junction devices utilizing magnetic thin-film edges”, 2019 Joint MMM-Intermag Conference, Washington DC, USA (2019)
2018
Papers
H. Kaiju, T. Misawa, T. Nagahama, T. Komine, O. Kitakami, M. Fujioka, J. Nishii and G. Xiao, “Robustness of Voltage-induced Magnetocapacitance”, Sci. Rep. 8, 14709 (2018).
H. Fujiwara, H. Kaiju, J. Nishii, and K. Sasaki, “Magnetic response of random lasing modes in a ZnO nanoparticle film deposited on a NiFe thin film”, Appl. Phys. Lett. 113, 131108 (2018).
T. Kinoshita, A. Miyazaki, K. Kawaguchi, D. Sakai, T. Yamaguchi, T. Omata, T. Ishiyama, M. Fujioka, H. Kaiju, and J. Nishii, “Dense proton injection into phosphate glasses using corona discharge treatment”, Appl. Surf. Sci. 428, 718 (2018).
M. Fujioka, N. Kubo, M. Nagao, R. Msiska, N. Shirakawa, S. Demura, H. Sakata, H. Kaiju and J. Nishii, “Superconductivity in AgxTaS2 single crystals with stage structure obtained via proton-driven ion introduction”, Journal of the Ceramic Society of Japan 126, 963 (2018).