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SUTO, Hirofumi

SUTO, Hirofumi (首藤 浩文) 0000-0003-4387-5862

Address
305-0047 1-2-1 Sengen Tsukuba Ibaraki JAPAN [Access]

[Research papers] | [Books] | [Proceedings] | [Presentations] | [Misc] | [Published patent applications]

Research papers TSV

2024
  1. Z.H. Li, H. Suto, V. Barwal, K. Masuda, T.T. Sasaki, Z.X. Chen, H. Tajiri, L.S.R. Kumara, T. Koganezawa, K. Amemiya, S. Kokado, K. Hono, Y. Sakuraba. Enhancing atomic ordering, magnetic and transport properties of Mn2VGa Heusler alloy thin films toward negatively spin-polarized charge injection. Acta Materialia. 276 (2024) 120110 10.1016/j.actamat.2024.120110
  2. P. Tozman, S. Isogami, I. Suzuki, A. Bolyachkin, H. Sepehri-Amin, S.J. Greaves, H. Suto, Y. Sasaki, T.Y. Chang, Y. Kubota, P. Steiner, P.W. Huang, K. Hono, Y.K. Takahashi. Dual-layer FePt-C granular media for multi-level heat-assisted magnetic recording. Acta Materialia. 271 (2024) 119869 10.1016/j.actamat.2024.119869 Open Access
  3. Tomoya Nakatani, Prabhanjan D. Kulkarni, Hirofumi Suto, Keisuke Masuda, Hitoshi Iwasaki, Yuya Sakuraba. Perspective on nanoscale magnetic sensors using giant anomalous Hall effect in topological magnetic materials for read head application in magnetic recording. Applied Physics Letters. 124 [7] (2024) 070501 10.1063/5.0191974 Open Access
2023
  1. Vineet Barwal, Hirofumi Suto, Tomohiro Taniguchi, Yuya Sakuraba. Detailed and high-throughput measurement of composition dependence of magnetoresistance and spin–transfer torque using a composition-gradient film: application to Co x Fe 1- x (0 ≤ x ≤ 1) system. Science and Technology of Advanced Materials: Methods. 3 [1] (2023) 2286944 10.1080/27660400.2023.2286944 Open Access
  2. Tomoya Nakatani, Hirofumi Suto, Prabhanjan D. Kulkarni, Hitoshi Iwasaki, Yuya Sakuraba. Improvement of magnetic field detectivity in electrical 1/f noise-dominated tunnel magnetoresistive sensors by AC magnetic field modulation technique. Journal of Applied Physics. 134 [21] (2023) 213904 10.1063/5.0180812 Open Access
  3. Hirofumi Suto, Tomoya Nakatani, Nagarjuna Asam, Hitoshi Iwasaki, Yuya Sakuraba. Evaluation of spin-transfer-torque efficiency using magnetization reversal against a magnetic field: comparison of FeCr with negative spin polarization and NiFe. Applied Physics Express. 16 [1] (2023) 013003 10.35848/1882-0786/acb310
2022
  1. Zixi Chen, Yuya Sakuraba, Yoshio Miura, Zehao Li, Taisuke Sasaki, Hirofumi Suto, Varun K. Kushwaha, Tomoya Nakatani, Seiji Mitani, Kazuhiro Hono. Phase stability and half-metallic character of off-stoichiometric Co2FeGa0.5Ge0.5 Heusler alloys. Journal of Applied Physics. 132 [18] (2022) 183902 10.1063/5.0109802
  2. Tomoya Nakatani, Hirofumi Suto, Prabhanjan D. Kulkarni, Hitoshi Iwasaki, Yuya Sakuraba. Tunnel magnetoresistance sensors with symmetric resistance-field response and noise properties under AC magnetic field modulation. Applied Physics Letters. 121 [19] (2022) 192406 10.1063/5.0119677
  3. Hirofumi Suto, Tomoya Nakatani, Yohei Kota, Nagarjuna Asam, Hitoshi Iwasaki, Kenta Amemiya, Takaya Mitsui, Seiji Sakai, Songtian Li, Yuya Sakuraba. Study on FeCr thin film for a spintronic material with negative spin polarization. Journal of Magnetism and Magnetic Materials. 557 (2022) 169474 10.1016/j.jmmm.2022.169474
2021
  1. Nagarjuna Asam, Hirofumi Suto, Shingo Tamaru, Hossein Sepehri-Amin, Anton Bolyachkin, Tomoya Nakatani, Weinan Zhou, Hitoshi Kubota, Yuya Sakuraba. Analysis method of a spin-torque oscillator using dc resistance change during injection locking to an external microwave magnetic field. Applied Physics Letters. 119 [14] (2021) 142405 10.1063/5.0058847
  2. Hirofumi Suto, Hossein Sepehri-Amin, Nagarjuna Asam, Weinan Zhou, Anton Bolyachkin, Masayuki Takagishi, Naoyuki Narita, Shingo Tamaru, Tomoya Nakatani, Yuya Sakuraba. Analysis of an all-in-plane spin-torque oscillator using injection locking to an external microwave magnetic field. Applied Physics Express. 14 [5] (2021) 053001 10.35848/1882-0786/abf667 Open Access

Books TSV

Proceedings TSV

Presentations TSV

2024
  1. MAKINO, Fuya, HIRAI, Takamasa, 志賀 拓麿, SUTO, Hirofumi, 藤久 裕司, 大柳 洸一, 小林 悟, SASAKI, Taisuke, 八木 貴志, UCHIDA, Kenichi, SAKURABA, Yuya. Enhancement of thermal conductivity change induced by magneto-thermal resistance effect in CoFe/Cu magnetic multilayers. The IEEE Around-the-Clock Around-the-Globe Magnetics Conference . 2024
  2. BENTLEY, Phillip, SASAKI, Yuta, ISOGAMI, Shinji, SUZUKI, Ippei, TAKAHASHI, Yukiko, SUTO, Hirofumi. Low damping in L10 FePt by controlling the number of misfit dislocations. 第48回　日本磁気学会学術講演会. 2024
  3. 牧野 楓也, 平井 孝昌, 志賀拓麿, 首藤 浩文, 藤久裕司, 大柳洸一, 小林悟, 佐々木 泰祐, 八木貴志, 内田 健一, 桜庭 裕弥. CoFe/Cu多層膜の磁気熱抵抗効果による巨大熱伝導率変化. 日本磁気学会学術講演会. 2024
  4. 佐々木 悠太, ベントレー フィリップ デビッド, 中澤 克昭, 磯上 慎二, 首藤 浩文, 高橋 有紀子. L10-FePt薄膜のダンピング定数と微細ナノ構造の詳細解析. 日本金属学会2024年秋期(第175回)講演大会. 2024
  5. SASAKI, Yuta, BENTLEY, Phillip, SUZUKI, Ippei, MANDAL, Ruma, KASAI, Shinya, SUTO, Hirofumi, TAKAHASHI, Yukiko. Lattice distortion and magnetization dynamics for L10-FePt films at elevated temperatures. The 35th Magnetic Recording Conference TMRC2024. 2024 Invited
  6. BENTLEY, Phillip, SASAKI, Yuta, ISOGAMI, Shinji, SUZUKI, Ippei, TAKAHASHI, Yukiko, SUTO, Hirofumi. Magnetization precession in L10-ordered FePt thin films with large PMA and relatively low damping. MORIS2024（Magnetics and Optics Research International Symposium 2024）. 2024
  7. 松田 華奈, 神田 哲典, 首藤 浩文. ST-FMR測定に向けたCoGd合金薄膜の補償点組成付近の試料作製とその評価. 電気学会中国支部 第16回高専研究発表会. 2024
2023
  1. NAKATANI, Tomoya, SUTO, Hirofumi, KULKARNI, Prabhanjan Dilip, IWASAKI, Hitoshi, SAKURABA, Yuya. Tunnel magnetoresistance sensors with even-function resistance-magnetic field response. SPIE Spintronics XVI. 2023 Invited
  2. NAKATANI, Tomoya, KULKARNI, Prabhanjan Dilip, MANIKKETH, Murali Krishnan, IWASAKI, Hitoshi, SUTO, Hirofumi, SAKURABA, Yuya. Read Sensors Using Anomalous Hall Effect. The 34th Magnetic Recording Conference . 2023 Invited
  3. 首藤 浩文, 中谷 友也, アサム ナガルシュナ, 岩崎 仁志, 桜庭 裕弥, 小田洋平, 雨宮健太, 三井隆也, 境誠司, Li Songtian. 負のスピン分極を有するFeCr合金のスピントロニクス応用とメスバウアー分光法による解析. 第22回 メスバウアー分光研究会 シンポジウム. 2023
  4. SUTO, Hirofumi, BARWAL, Vineet, LI, Zehao, MASUDA, Keisuke, SASAKI, Taisuke, SAKURABA, Yuya. Negative spin polarization of Mn2VGa Heusler alloy thin film studied in current-perpendicular-to-plane giant magnetoresistance devices. Intermag 2023. 2023
  5. NAKATANI, Tomoya, SUTO, Hirofumi, KULKARNI, Prabhanjan Dilip, IWASAKI, Hitoshi, SAKURABA, Yuya. AC magnetic field modulation on tunnel magnetoresistance sensors with even-function resistance-field response. Intermag 2023. 2023
2022
  1. LI, Zehao, SUTO, Hirofumi, BARWAL, Vineet, MASUDA, Keisuke, SASAKI, Taisuke, 田尻 寛男, Kumara Rosantha, 小金澤 智之, 雨宮 健太, SAKURABA, Yuya, HONO, Kazuhiro. Microstructure and transport properties in MnVGa Heusler alloy thin films. 日本金属学会 2022年秋期 第171回講演大会. 2022
  2. NAKATANI, Tomoya, KULKARNI, Prabhanjan Dilip, IWASAKI, Hitoshi, SUTO, Hirofumi, SAKURABA, Yuya. Magnetic recording read sensors using anomalous Hall effect. 第83回応用物理学会秋季学術講演会. 2022
  3. SUTO, Hirofumi, NAKATANI, Tomoya, ASAM, Nagarjuna, IWASAKI, Hitoshi, SAKURABA, Yuya. Evaluation of spin-transfer-torque efficiency of FeCr with negative spin polarization using magnetization reversal against a magnetic field. 第83回応用物理学会秋季学術講演会 https://meeting.jsap.or.jp/. 2022
  4. 中谷 友也, クルカルニ プラバンジャン ディリプ, 岩崎 仁志, 首藤 浩文, 桜庭 裕弥. 異常ホール効果を用いたHDD用リードセンサの検討. 第46回日本磁気学会学術講演会 https://www.magnetics.jp/kouenkai/2022/. 2022
  5. SUTO, Hirofumi, ASAM, Nagarjuna, 田丸 慎吾, SEPEHRI AMIN, Hossein, BOLYACHKIN, Anton, ZHOU, Weinan, NAKATANI, Tomoya, 久保田 均, SAKURABA, Yuya. Analysis of a spin-torque oscillator using injection locking to an external microwave field. 24th International Colloquium on Magnetic Films and Surfaces (ICMFS2022) https://icmfs2022.jp/. 2022
2021
  1. 首藤 浩文, アサム ナガルシュナ, 田丸　慎吾, セペリ アミン ホセイン, ボリャーチキン アントーン, 中谷 友也, 周 偉男, 久保田 均, 桜庭 裕弥. マイクロ波磁界印加によるinjection lockingを利用した スピントルク発振素子の磁化ダイナミクス解析. 磁気記録・情報ストレージ研究会（MRIS） https://www.ieice.org/ken/program/index.php?tgs_regid=6347033ba7e2cf709429158c719c1c41328bf92a66c8a0cac8b7b5c1a9b99ca8&tgid=IEICE-MRIS. 2021
  2. 首藤 浩文, アサム ナガルシュナ, 田丸　慎吾, セペリ アミン ホセイン, ボリャーチキン アントーン, 周 偉男, 中谷 友也, 久保田 均, 桜庭 裕弥. マイクロ波磁界印加によるinjection lockingを利用したスピントルク発振素子の磁化ダイナミクス解析. 第45回日本磁気学会学術講演会. 2021
  3. 首藤 浩文, アサム ナガルシュナ, 田丸 慎吾, セペリ アミン 那仁, ボリャーチキン アントーン, 中谷 友也, 周 偉男, 久保田 均, 桜庭 裕弥. Analysis of a spin-torque oscillator using injection locking to an external microwave field. The 32nd Magnetic Recording Conference (TMRC2021). 2021 Invited
  4. アサム ナガルシュナ, 首藤 浩文, Tamaru Shingo, セペリ アミン ホセイン, 中谷 友也, 周 偉男, Hitoshi Kubota, 桜庭 裕弥. Characterizing the oscillation frequency of a spin-torque oscillator (STO) by measuring the change of dc resistance upon injection locking to an external RF magnetic field. INTERMAG2021　/　https://intermag.org . 2021

Misc TSV

Published patent applications TSV

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