Search Results - "Kotsugi, Masato"

Symmetry prediction and knowledge discovery from X-ray diffraction patterns using an interpretable machine learning approach by Suzuki, Yuta, Hino, Hideitsu, Hawai, Takafumi, Saito, Kotaro, Kotsugi, Masato, Ono, Kanta

“…Determination of crystal system and space group in the initial stages of crystal structure analysis forms a bottleneck in material science workflow that often…”
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Causal analysis and visualization of magnetization reversal using feature extended landau free energy by Kunii, Sotaro, Masuzawa, Ken, Fogiatto, Alexandre Lira, Mitsumata, Chiharu, Kotsugi, Masato

“…The magnetization reversal in nanomagnets is causally analyzed using an extended Landau free-energy model. This model draws an energy landscape in the…”
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Investigation of local structures and electronic states of Sb-doped Mg2Si by fluorescence XAFS and HAXPES by Kadono, Tomoyuki, Hirayama, Naomi, Nishio, Tadashi, Yamazawa, Shingo, Oki, Naoto, Takahashi, Yoshinobu, Takikawa, Natsumi, Yasui, Akira, Nitta, Kiyofumi, Sekizawa, Oki, Tokumura, Mako, Takemoto, Shoji, Iida, Tsutomu, Kotsugi, Masato

“…To clarify the origin of the figure of merit in the thermoelectric material Mg2Si, we performed extended x-ray absorption fine structure (EXAFS) analysis and…”
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Automated estimation of materials parameter from X-ray absorption and electron energy-loss spectra with similarity measures by Suzuki, Yuta, Hino, Hideitsu, Kotsugi, Masato, Ono, Kanta

“…Materials informatics has significantly accelerated the discovery and analysis of materials in the past decade. One of the key contributors to accelerated…”
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Autonomous synthesis system integrating theoretical, informatics, and experimental approaches for large-magnetic-anisotropy materials by Furuya, Daigo, Miyashita, Takuya, Miura, Yoshio, Iwasaki, Yuma, Kotsugi, Masato

“…We developed an autonomous and efficient system for synthesising ferromagnetic materials with large magnetocrystalline anisotropy by integrating theoretical,…”
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Efficient autonomous material search method combining ab initio calculations, autoencoder, and multi-objective Bayesian optimization by Iwasaki, Yuma, Jaekyun, Hwang, Sakuraba, Yuya, Kotsugi, Masato, Igarashi, Yasuhiko

“…Autonomous material search systems that combine ab initio calculations and Bayesian optimization are very promising for exploring huge material spaces. Setting…”
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Feature extended energy landscape model for interpreting coercivity mechanism by Foggiatto, Alexandre Lira, Kunii, Sotaro, Mitsumata, Chiraru, Kotsugi, Masato

“…Coercivity is expressed as a complex correlation between magnetisation and microstructures. However, owing to multiple intrinsic origins, coercivity has not…”
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Skill-Agnostic analysis of reflection high-energy electron diffraction patterns for Si(111) surface superstructures using machine learning by Yoshinari, Asako, Iwasaki, Yuma, Kotsugi, Masato, Sato, Shunsuke, Nagamura, Naoka

“…Reflection high-energy electron diffraction (RHEED) data are important for the in-situ characterization of surface conditions during physical vapor deposition…”
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Autonomous search for half-metallic materials with B2 structure by Yuma Iwasaki, Ryo Toyama, Takahiro Yamazaki, Yasuhiko Igarashi, Masato Kotsugi, Yuya Sakuraba

“…Exploring vast material spaces efficiently is challenging in materials science. Autonomous methods for material search – integrating machine learning and ab…”
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Autonomous search for half-metallic materials with B 2 structure by Iwasaki, Yuma, Toyama, Ryo, Yamazaki, Takahiro, Igarashi, Yasuhiko, Kotsugi, Masato, Sakuraba, Yuya

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Element‐ and Site‐Specific Many‐Body Interactions in Few‐Layer MoS2 During X‐Ray Absorption Processes by Kamada, Gen, Venugopal, Gunasekaran, Kotsugi, Masato, Ohkochi, Takuo, Suemitsu, Maki, Fukidome, Hirokazu

“…Few‐layer MoS2 is a promising 2D material for nano‐electronic device applications. However, the performance of these devices is often deteriorated. One of the…”
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Super-hierarchical and explanatory analysis of magnetization reversal process using topological data analysis by Kunii, Sotaro, Foggiatto, Alexandre Lira, Mitsumata, Chiharu, Kotsugi, Masato

“…The microstructures of magnetic domains are crucial in determining the functions of spintronic devices. However, the magnetization reversal mechanism is still…”
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Fabrication of L10-FeNi by pulsed-laser deposition by Saito, Masahiro, Ito, Hisaaki, Suzuki, Yuta, Mizuguchi, Masaki, Koganezawa, Tomoyuki, Miyamachi, Toshio, Komori, Fumio, Takanashi, Koki, Kotsugi, Masato

“…We demonstrated the fabrication of a rare-earth-free ferromagnetic L10-type Fe–Ni alloy (L10-FeNi) by pulsed laser deposition (PLD). We deposited Fe and Ni on…”
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Operation Mechanism of GaN-based Transistors Elucidated by Element-Specific X-ray Nanospectroscopy by Omika, Keiichi, Tateno, Yasunori, Kouchi, Tsuyoshi, Komatani, Tsutomu, Yaegassi, Seiji, Yui, Keiichi, Nakata, Ken, Nagamura, Naoka, Kotsugi, Masato, Horiba, Koji, Oshima, Masaharu, Suemitsu, Maki, Fukidome, Hirokazu

“…With the rapid depletion of communication-frequency resources, mainly due to the explosive spread of information communication devices for the internet of…”
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Fabrication of L10-type FeCo ordered structure using a periodic Ni buffer layer by Ito, Hisaaki, Saito, Masahiro, Miyamachi, Toshio, Komori, Fumio, Koganezawa, Tomoyuki, Mizuguchi, Masaki, Kotsugi, Masato

“…We experimentally prepared a ferromagnet with an L10-FeCo ordered structure by inserting a periodic buffer layer to suppress the B2 structural transition and…”
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Orbital-specific Tunability of Many-Body Effects in Bilayer Graphene by Gate Bias and Metal Contact by Fukidome, Hirokazu, Kotsugi, Masato, Nagashio, Kosuke, Sato, Ryo, Ohkochi, Takuo, Itoh, Takashi, Toriumi, Akira, Suemitsu, Maki, Kinoshita, Toyohiko

“…Graphene, a 2D crystal bonded by π and σ orbitals, possesses excellent electronic properties that are promising for next-generation optoelectronic device…”
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Origin of strong magnetic anisotropy in L10-FeNi probed by angular-dependent magnetic circular dichroism by Kotsugi, Masato, Mizuguchi, Masaki, Sekiya, Shigeki, Mizumaki, Masaichiro, Kojima, Takayuki, Nakamura, Tetsuya, Osawa, Hitoshi, Kodama, Kenji, Ohtsuki, Takumi, Ohkochi, Takuo, Takanashi, Koki, Watanabe, Yoshio

“…We investigated the origin of strong magnetic anisotropy energy (MAE) in L10-type ordered FeNi phase by angular-dependent magnetic circular dichroism. Our…”
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Real-space and pulse-by-pulse analysis of domain wall creep induced by spin-Hall torque by Ohkochi, Takuo, Kim, Kab-Jin, Kim, Sanghoon, Yoshimura, Yoko, Tanigawa, Hironobu, Ohshima, Norikazu, Koyama, Tomohiro, Kotsugi, Masato, Chiba, Daichi, Ono, Teruo, Kinoshita, Toyohiko

“…This study aims to investigate the creep motion of a magnetic domain wall (DW) induced by spin-Hall torque (SHT) in a Ta/Co-Ni/Pt hetero-structured thin wire…”
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Femtosecond resonant magneto-optical Kerr effect measurement on an ultrathin magnetic film in a soft X-ray free electron laser by Yamamoto, Shingo, Kubota, Yuya, Yamamoto, Kohei, Takahashi, Yoshinobu, Maruyama, Kohei, Suzuki, Yuta, Hobara, Rei, Fujisawa, Masami, Oshima, Daiki, Owada, Shigeki, Togashi, Tadashi, Tono, Kensuke, Yabashi, Makina, Hirata, Yasuyuki, Yamamoto, Susumu, Kotsugi, Masato, Wadati, Hiroki, Kato, Takeshi, Iwata, Satoshi, Shin, Shik, Matsuda, Iwao

“…Time-resolved magneto-optical Kerr effect (MOKE) measurement was demonstrated on a sample of the Au/Fe/Au heterostructure with the Fe layer of 0.35 nm…”
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High-Quality Few-Layer Graphene on Single-Crystalline SiC thin Film Grown on Affordable Wafer for Device Applications by Endoh, Norifumi, Akiyama, Shoji, Tashima, Keiichiro, Suwa, Kento, Kamogawa, Takamasa, Kohama, Roki, Funakubo, Kazutoshi, Konishi, Shigeru, Mogi, Hiroshi, Kawahara, Minoru, Kawai, Makoto, Kubota, Yoshihiro, Ohkochi, Takuo, Kotsugi, Masato, Horiba, Koji, Kumigashira, Hiroshi, Suemitsu, Maki, Watanabe, Issei, Fukidome, Hirokazu

“…Graphene is promising for next-generation devices. However, one of the primary challenges in realizing these devices is the scalable growth of high-quality…”
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