2024
Papers
Yu Matsushima, Zijing Zhang, Yuri Ohashi, Tsunagu Hatakeyama, Gang Xiao, Takumi Funato, Mamoru Matsuo, and Hideo Kaiju, “Emergent magneto-inductance effect in permalloy thin films on flexible polycarbonate substrates at room temperature”, Appl. Phys. Lett. Vol. 124, pp. 022404(1-7) (2024) [Press release].
Zijing Zhang, Yu Matsushima, Yuto Shibata, Tsunagu Hatakeyama, Mizuki Matsuzaka, Takumi Funato, Mamoru Matsuo, and Hideo Kaiju, “Emergent magneto-inductance effect in NiFe thin films on glass substrates at room temperature ”, Journal of Magnetism and Magnetic Materials, Vol. 610, pp. 172500(1-7)(2024).
Conferences
Mizuki Matsuzaka, Ryunosuke Miyamoto, Zijing Zhang, Kenta Sato, and Hideo Kaiju: “Fabrication of nanoscale junctions using high-mobility molecules and theirstructural, electrical and magnetic properties”, GCIM 2024 & IUMRS-ICYRAM 2024 & MRS-K SPRING MEETING, ICC Jeju, South Korea, OR-S15-0027 (2024, June 8-12)
Chika Hashimoto, Mizuki Matsuzaka, and Hideo Kaiju: “Fabrication and evaluation of molecular nanojunctions utilizing magnetic thin-film edges”, GCIM 2024 & IUMRS-ICYRAM 2024 & MRS-K SPRING MEETING, ICC Jeju, South Korea, PO-S15-0030 (2024, June 8-12) [Best Poster Award]
Zijing Zhang, Yu Matsushima, Yuto Shibata, Tsunagu Hatakeyama, and Hideo Kaiju: “Emergent magneto-inductance effect at room temperature in Ni78Fe22 thin films on glass substrates”, CEMS Symposium on Emergent Quantum Materials 2024, Tokyo, Japan, P048 (2024, February 20-22)
Mizuki Matsuzaka, Ryunosuke Miyamoto, Kotaro Kashima, Takumi Ueda, Takashi Yamamoto, Kohei Sambe, Tomoyuki Akutagawa, Hideo Kaiju：“Fabrication of nanoscale magnetoresistance devices using chiral molecules”，The 85th JSAP Autumn Meeting 2024, TOKI MESSE, Niigata, 19p-P06-40（2024/9/16–20）[Poster Award]
Yuto Shibata, Kenta Sato, Hiroaki Sukegawa, and Hideo Kaiju: “FeCo/MgAl2O4/FeCo(001) magnetic tunnel junctions with a large magnetocapacitance ratio of 456%”, The 71st JSAP Spring Meeting 2024, Tokyo, Japan, 25a-P01-41 (2024/3/22-25)
Hideki Fujiwara, Christophe Pin, Hideo Kaiju, Kenji Hirai, and Hiroshi Uji-i, "Selective synthesis of conductive graphitic nanomaterials using local laser-heating", Chitose International Forum 2024, Chitose (2024, Sep 3-4)
Mizuki Matsuzaka, Ryunosuke Miyamoto, Kotaro Kashima, Takumi Ueda, Koki Terai, Takashi Yamamoto, Kohei Sambe, Tomoyuki Akutagawa, and Hideo Kaiju, “Observation of magnetoresistance effect in nano-devices using chiral molecules”, KiPAS international workshop on Recent Advances in Orbitronics and Spintronics, Yokohama, P-03 (2024, Nov. 13-14)
Ryunosuke Miyamoto, Mizuki Matsuzaka, Mari Taniguchi, Takumi Ueda, Chika Hashimoto, Kotaro Kashima, Kazuya Ando and Hideo Kaiju, “Observation of spin signal in Ni78Fe22/Erq3/FeCo organic spin valves”, KiPAS international workshop on Recent Advances in Orbitronics and Spintronics, Yokohama, P-04 (2024, Nov. 13-14)
Mizuki Wakamoto, Yuto Shibata, Mizuki Matsuzaka, Gang Xiao, and Hideo Kaiju, “Observation of high output voltage in oscillation controlled magnetic sensing using magnetic tunnel junctions”, KiPAS international workshop on Recent Advances in Orbitronics and Spintronics, Yokohama, P-14 (2024, Nov. 13-14)
Zijing Zhang, Yu Matsushima, Yuto Shibata, Tsunagu Hatakeyama, Mizuki Matsuzaka, Takumi Funato, Mamoru Matsuo, and Hideo Kaiju, “Emergent magneto-inductance effect in NiFe thin films on glass substrates at room temperature”, KiPAS international workshop on Recent Advances in Orbitronics and Spintronics, Yokohama, P-16 (2024, Nov. 13-14)
Hideo Kaiju, “Introduction and tunnel magnetocapacitance effect”, Keio-NIMS Joint Workshop—Recent Progress of Magnetic Tunnel Junction Research, NIMS, Tsukuba (Sep. 4, 2024)
Zijing Zhang, Yu Matsushima, Yuto Shibata, Tsunagu Hatakeyama, Mizuki Matsuzaka, Takumi Funato, Mamoru Matsuo and Hideo Kaiju, “Emergent Magneto-Inductance Effect in Ferro-magnetic Thin Films at Room Temperature”, Keio-NIMS Joint Workshop—Recent Progress of Magnetic Tunnel Junction Research, NIMS, Tsukuba (Sep. 4, 2024)
Koki Horigane, Mizuki Matsuzaka, and Hideo Kaiju, “First-principles calculations of tunnel magnetoresistance in lattice-matched magnetic tunnel junctions”, Keio-NIMS Joint Workshop—Recent Progress of Magnetic Tunnel Junction Research, NIMS, Tsukuba (Sep. 4, 2024)
Takumi Ueda, Mizuki Matsuzaka, Chika Hashimoto, Ryunosuke Miyamoto, Kotaro Kashima, and Hideo Kaiju, “Fabrication and evaluation of nanoscale magnetic tunnel junctions utilizing thin-film edges”, Keio-NIMS Joint Workshop—Recent Progress of Magnetic Tunnel Junction Research, NIMS, Tsukuba (Sep. 4, 2024)
2023
Papers
Yuri Ohashi, Yu Matsushima, and Hideo Kaiju: “Modulation of magnetic anisotropy by bending in Ni and Ni78Fe22 thin films on polycarbonate organic substrates”, Journal of Magnetism and Magnetic Materials, Vol. 570, pp. 170497(1-5) (2023)
Masaya Fujioka, Melbert Jeem, Kento Sato, Masashi Tanaka, Kazuki Morita, Taizo Shibuya, Kiyonori Takahashi, Suguru Iwasaki, Akira Miura, Masanori Nagao, Satoshi Demura, Madoka Ono, Hideo Kaiju, and Junji Nishii: “Intercalation on transition metal trichalcogenides via a quasi-amorphous phase with 1D order”, Advanced Functional Materials, Vol.33, pp. 2208702(1-11) (2023) [Press release], [Selected as back cover].
Hideki Fujiwara, Seigo Daikokuya, Tatsuki Mirokuin, Kyohei Hayashi, Mizuki Matsuzaka, Yuri Ohashi, Christophe Pin, Hideo Kaiju, Kenji Hirai, and Hiroshi Uji-i: “Site-specific Synthesis of Conductive Graphitic Nanomaterials on a NiFe Thin Film by Localized Laser Irradiation”, ACS Applied Nano Materials, Vol. 6, pp.13885–13893 (2023).
Yuto Shibata, Kenta Sato, Hiroaki Sukegawa, and Hideo Kaiju:“Large magnetocapacitance of up to 456% at room temperature in FeCo/MgAl2O4/FeCo(001) magnetic tunnel junctions”, Applied Physics Express, Vol. 16, pp. 113003(1-6)(2023).
2022
Papers
K. Sato, H. Sukegawa, K. Ogata, G. Xiao and H. Kaiju: “Large magnetocapacitance beyond 420% in epitaxial magnetic tunnel junctions with an MgAl2O4 barrier”, Sci. Rep. Vol. 12, pp. 7190(1-10) (2022) [Press release].
M. Matsuzaka, Y. Sasaki, K. Hayashi, T. Misawa, T. Komine, T. Akutagawa, M. Fujioka, J. Nishii and H. Kaiju: “Room-temperature magnetoresistance in Ni78Fe22/C8-BTBT/Ni78Fe22 nanojunctions fabricated from magnetic thin-film edges using a novel technique”, Nanoscale Advances, Vol. 4, pp. 4739-4747 (2022)[Press release]
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).