Search Results - "Masafumi Shirai"

Recent Progress in the Voltage-Controlled Magnetic Anisotropy Effect and the Challenges Faced in Developing Voltage-Torque MRAM by Nozaki, Takayuki, Yamamoto, Tatsuya, Miwa, Shinji, Tsujikawa, Masahito, Shirai, Masafumi, Yuasa, Shinji, Suzuki, Yoshishige

“…The electron spin degree of freedom can provide the functionality of "nonvolatility" in electronic devices. For example, magnetoresistive random access memory…”
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Voltage controlled interfacial magnetism through platinum orbits by Miwa, Shinji, Suzuki, Motohiro, Tsujikawa, Masahito, Matsuda, Kensho, Nozaki, Takayuki, Tanaka, Kazuhito, Tsukahara, Takuya, Nawaoka, Kohei, Goto, Minori, Kotani, Yoshinori, Ohkubo, Tadakatsu, Bonell, Frédéric, Tamura, Eiiti, Hono, Kazuhiro, Nakamura, Tetsuya, Shirai, Masafumi, Yuasa, Shinji, Suzuki, Yoshishige

“…Electric fields at interfaces exhibit useful phenomena, such as switching functions in transistors, through electron accumulations and/or electric dipole…”
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Metastable body-centered cubic CoMnFe alloy films with perpendicular magnetic anisotropy for spintronics memory by Kumar, Deepak, Ishibashi, Mio, Roy, Tufan, Tsujikawa, Masahito, Shirai, Masafumi, Mizukami, Shigemi

“…A body-centered cubic (bcc) FeCo(B) is a current standard magnetic material for perpendicular magnetic tunnel junctions (p-MTJs) showing both large tunnel…”
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Electronic structures of MgO/Fe interfaces with perpendicular magnetization revealed by hard X-ray photoemission with an applied magnetic field by Ueda, Shigenori, Mizuguchi, Masaki, Tsujikawa, Masahito, Shirai, Masafumi

“…We have developed hard X-ray photoelectron spectroscopy (HAXPES) under an applied magnetic field of 1 kOe to study the electronic and magnetic states related…”
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Synthesis and magnetic properties of tetragonally ordered Fe2Ni2N alloy using topotactic nitriding reaction by Goto, Sho, Kura, Hiroaki, Tsujikawa, Masahito, Shirai, Masafumi, Ito, Keita, Suemasu, Takashi, Takanashi, Koki, Yanagihara, Hideto

“…Tetragonally ordered Fe2Ni2N powder was successfully synthesized from L10-FeNi using a nitrogen topotactic reaction. The magnetic properties and structural…”
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Highly efficient voltage control of spin and enhanced interfacial perpendicular magnetic anisotropy in iridium-doped Fe/MgO magnetic tunnel junctions by Nozaki, Takayuki, Kozioł-Rachwał, Anna, Tsujikawa, Masahito, Shiota, Yoichi, Xu, Xiandong, Ohkubo, Tadakatsu, Tsukahara, Takuya, Miwa, Shinji, Suzuki, Motohiro, Tamaru, Shingo, Kubota, Hitoshi, Fukushima, Akio, Hono, Kazuhiro, Shirai, Masafumi, Suzuki, Yoshishige, Yuasa, Shinji

“…Voltage control of spin enables both a zero standby power and ultralow active power consumption in spintronic devices, such as magnetoresistive random-access…”
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Voltage-controlled magnetic anisotropy in an ultrathin Ir-doped Fe layer with a CoFe termination layer by Nozaki, Takayuki, Endo, Masaki, Tsujikawa, Masahito, Yamamoto, Tatsuya, Nozaki, Tomohiro, Konoto, Makoto, Ohmori, Hiroyuki, Higo, Yutaka, Kubota, Hitoshi, Fukushima, Akio, Hosomi, Masanori, Shirai, Masafumi, Suzuki, Yoshishige, Yuasa, Shinji

“…We investigated the voltage-controlled magnetic anisotropy (VCMA) in an ultrathin Ir-doped Fe layer with a CoxFe1−x termination layer. The VCMA effect depends…”
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Induced perpendicular magnetization in a Cu layer inserted between Co and Pt layers revealed by x-ray magnetic circular dichroism by Okabayashi, Jun, Koyama, Tomohiro, Suzuki, Motohiro, Tsujikawa, Masahito, Shirai, Masafumi, Chiba, Daichi

“…We used x-ray absorption spectroscopy and x-ray magnetic circular dichroism to investigate the effects of inserting Cu into Co/Pt interfaces, and found that a…”
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Anomalous Nernst effect in epitaxially grown Fe4−xNixN films by Yin, Weida, Ito, Keita, Tsubowa, Yusuke, Tsujikawa, Masahito, Shirai, Masafumi, Takanashi, Koki

“…Anomalous Nernst effect of epitaxial Fe4−xNixN films on MgAl2O4(001) substrates was characterized. The Ni/Fe ratio (x) in Fe4−xNixN films was changed in the…”
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Emergence of undulating surface band upon oxygen adsorption of Fe thin film on W(110) by Souma, Seigo, Honma, Kohei, Sato, Takafumi, Tsujikawa, Masahito, Shirai, Masafumi, Takahashi, Takashi

“…We have performed high-resolution angle-resolved photoemission spectroscopy of oxygen-adsorbed Fe thin films on W(110) to elucidate the evolution of electronic…”
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Material Design of Half-Metallic Zinc-Blende CrAs and the Synthesis by Molecular-Beam Epitaxy by Akinaga, Hiro, Manago, Takashi, Shirai, Masafumi

“…A new class of half-metallic ferromagnets has been found in the zinc-blende crystal structure. The previously nonexistent zinc-blende CrAs thin films have been…”
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Magnetic Anisotropy and Damping for Monolayer-Controlled Co | Ni Epitaxial Multilayer by Seki, Takeshi, Shimada, Junpei, Iihama, Satoshi, Tsujikawa, Masahito, Koganezawa, Tomoyuki, Shioda, Akihiro, Tashiro, Takayuki, Zhou, Weinan, Mizukami, Shigemi, Shirai, Masafumi, Takanashi, Koki

“…Structures and magnetic properties were systematically investigated for the monolayer (ML)-controlled Co | Ni multilayers with various Ni layer thicknesses,…”
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Epidemiology of erectile dysfunction in four countries: cross-national study of the prevalence and correlates of erectile dysfunction by Nicolosi, Alfredo, Moreira, Edson D, Shirai, Masafumi, Ismail Bin Mohd Tambi, Mohd, Glasser, Dale B

“…To measure the prevalence of erectile dysfunction (ED) in community-based populations in Brazil, Italy, Japan, and Malaysia and to study its association with…”
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Topological electronic structure of YbMg2Bi2 and CaMg2Bi2 by Kundu, Asish K., Roy, Tufan, Pakhira, Santanu, Wu, Ze-Bin, Tsujikawa, Masahito, Shirai, Masafumi, Johnston, D. C., Pasupathy, Abhay N., Valla, Tonica

“…Zintl compounds have been extensively studied for their outstanding thermoelectric properties, but their electronic structure remains largely unexplored. Here,…”
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Electronic and magnetic properties of 3d transition-metal-doped GaAs by Shirai, Masafumi

“…Electronic band-structure calculations are carried out for the hypothetical zinc-blende phase of 3d transition-metal monoarsenides as well as periodic…”
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Positive Weiss Temperature in Layered Antiferromagnetic FeNiN for High-Performance Permanent Magnets by Goto, Sho, Kura, Hiroaki, Yanagihara, Hideto, Kita, Eiji, Tsujikawa, Masahito, Sasaki, Ryusei, Shirai, Masafumi, Kobayashi, Yasuhiro, Honda, Takashi, Ono, Kanta

“…FeNiN has recently been recognized as an appropriate intermediate compound for synthesizing FeNi alloys with an L10-type crystal structure, via nitrogen…”
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Band structures of zinc-blende-type MnAs and (MnAs) 1(GaAs) 1 superlattice by Shirai, Masafumi, Ogawa, Takaki, Kitagawa, Isao, Suzuki, Naoshi

“…Electronic band-structures of the hypothetical zinc-blende phase of MnAs and the (MnAs) 1(GaAs) 1(0 0 1) superlattice are calculated by using the…”
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Prevalence and risk factors for erectile dysfunction in Japanese diabetics by Sasaki, Hideyuki, Yamasaki, Hiroshi, Ogawa, Kenichi, Nanjo, Kishio, Kawamori, Ryuzo, Iwamoto, Yasuhiko, Katayama, Shigehiro, Shirai, Masafumi

“…We evaluated the prevalence and risk factors for erectile dysfunction (ED) and interest in ED treatment among Japanese men being treated for type 2 diabetes…”
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The effect of chemical disorder on magnetic properties of FeNi and Fe2Ni2N alloys by Qiao, Zijian, Tsujikawa, Masahito, Shirai, Masafumi

“…•The dependency of magnetic anisotropy energy on the degree of order for L10-ordered FeNi and tetragonally ordered Fe2Ni2N alloys has been elucidated by…”
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Magnetic tunnel junctions with an equiatomic quaternary CoFeMnSi Heusler alloy electrode by Bainsla, Lakhan, Suzuki, Kazuya Z., Tsujikawa, Masahito, Tsuchiura, Hiroki, Shirai, Masafumi, Mizukami, Shigemi

“…Tunnel magnetoresistance (TMR) in MgO-based magnetic tunnel junctions (MTJs) with equiatomic quaternary CoFeMnSi Heusler and CoFe alloy electrodes is studied…”
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