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Materials and processes for innovative next-generation devices
Research Results
Phase I Phase II Phase III

2007 Researchers

Seiya KASAI Eiji SAITOH Masashi SHIRAISHI
Y.K. TAKAHASHI Tomoyasu TANIYAMA Arata TSUKAMOTO
Naoki FUKATA Shuichi MURAKAMI Takeshi YASUDA
Akinobu YAMAGUCHI Katsunori WAKABAYASHI  

Akinobu YAMAGUCHI

paper
[21] M. Goto, H. Hata, A. Yamaguchi, H. Miyajima, Y. Nakatani, T. Yamaoka and Y. Nozaki, "Detection of vortex-core dynamics using current-induced self-bistable rectifying effect", Journal of Physics: Conference Series, 266, 012080 (2011).
[20] A. Yamaguchi, Y, Kasatani and H. Miyajima, "Domain wall propagation in a single crystalline iron wire", Journal of Physics: Conference Series, 266, 012024 (2011).
[19] Y, Kasatani, A. Yamaguchi, H. Miyajima and Y. Nozaki, "Detection of ferromagnetic resonance in a single-crystalline Fe wire using a rectifying effect", Journal of Physics: Conference Series, 266, 012013 (2011).
[18] A. Yamaguchi, K. Motoi, H. Miyajima, T. Uchiyama and Y. Utsumi, "High-order standing spin wave modes in Fe19Ni81 micron wire observed by homodyne method", Journal of Physics: Conference Series, 266, 012113 (2011).
[17] H. Yamamoto, Y. Kasatani, A. Yamaguchi and H. Miyajima, "Giant Magnetoresistance Effect Detection of Magnetization reversal in Single Crystalline Nanowires", Journal of Physics: Conference Series, 200, 042028 (2010).
[16] K. Hosono, A. Yamaguchi, Y. Nozaki and G. Tatara, "Spin current driven by thermal gradient", AIP Conference Proceeding Series in press 2011.
[15] K. Hosono, A. Yamaguchi, Y. Nozaki and G. Tatara, "Microscopic theory of diffusive spin current with spin-orbit interaction", Physical Review B in press.
[14] Y. Kasatani, A. Yamaguchi, H. Miyajima and Y. Nozaki, "Broadband ferromagnetic resonance of micron-scale iron wires using rectfying effect", IEEE Transaction on Magnetics in press.
[13] K. Hosono, A. Yamaguchi, Y. Nozaki anf G. Tatara, "Microscopic theory of diffusive spin current caused by spin Hall effect", Journal of Applied Physics 109, 07C901 (2011).
[12] M. Goto, H. Hata, A. Yamaguchi, Y. Nakatani, T. Yamaoka and Y. Nozaki, "Electrical detection of vortex states in a ferromagnetic disk using the rectifying effect", Journal of Applied Physics 109, 07D306 (2011).
[11] A. Yamaguchi, T. Kishimoto and H. Miyajima, "Asymmetric Domain Wall Propagation in a Giant Magnetoresistance-Type Wire with Oscillating Interlayer Exchange Coupling", Applied Physics Express 3, 093004 (2010).
[10] A. Yamaguchi, K. Motoi, H. Miyajima, T. Sato and Y. Nakatani, "Non-linear Vortex Motion Induced by the Simultaneous Application of rf and dc Currents in a Micron-sized Fe19Ni81 Disk", IEEE Transaction on Magnetics 46, 1994 (2010).
[9] Y. Kasatani, A. Yamaguchi, H. Yamamoto and H. Miyajima, "Single domain wall propagation in single crystalline ferromagnetic wires", Physical Review B 81, 224425 (2010).
[8] 山口明啓, 元井桂一, 宮島英紀, 内山剛, 内海裕一, "プレーナーホール整流効果を用いた人工磁性体の非線形応答の検出", 日本磁気学会誌 34, 73-77, (Japanese, 2010).
[7] A. Yamaguchi, K. Motoi, H. Miyajima, A. Hirohata, T. Yamaoka, T. Uchiyama and Y. Utsumi, "Current manipulation of a vortex confined in a micron-sized Fe19Ni81 disk", Applied Physics Letter 95, 122506 (2009).
[6] A. Yamaguchi, H. Saito, M. Shimizu, H. Miyajima, S. Matusmoto, Y. Nakamura and A. Hirohata, "A silicon metal-oxide-semiconductor field-effect transistor Hall bar for scanning Hall probe microscopy", Review of Scientific Instruments 79, 083703 (2008).
[5] A. Yamaguchi, H. Miyajima, T. Ono, Y. Suzuki and S. Yuasa, "The rectification of radio-frequnecy signal by magnetic domain wall in a single-layered ferromagnetic nanowire", Applied Physics Letter 91, 132509 (2007).
[4] A. Yamaguchi, K. Motoi, A. Hirohata, N. Higashio, H. Miyajima, "DC electrical response and impedance change induced by a microwave signal in a patterned ferromagnetic wire", Proc. SPIE, Vol. 7036, 703607 (2008)
[3] A. Yamaguchi, K. Motoi, H. Miyajima, Y. Nakatani, "Magnetic field dependence of rectification radio frequency current flowing through a single layered ferromagnetic wire", Journal of Applied Physics 105, 07D301 (2009).
[2] A. Yamaguchi, K. Motoi, and H. Miyajima, "Anomalous Hall voltage rectification effect and quantized spin-wave excitation induced by simultaneous application of dc and rf currents in a single-layered Ni81Fe19 nano-scale wire", Physical Review B 79, 224409-1-11 (2009).
[1] A. Yamaguchi, K. Motoi, H. Miyajima, Y. Miyashita, and Y. Sanada, "Broadband ferromagnetic resonance of Ni81Fe19 wire using a rectifying effect", Physical Review B 78, 104401-(1-11) (2008).
presentation
[40] A. Yamaguchi, K. Motoi, H. Miyajima and Y. Nakatani, "Field dependence of rectification of radio frequency current in a single layered ferromagnetic wire", 53rd Annual Conference on Magnetism and Magnetic Materials ; American Institute of Physics & IEEE ; Hilton Austin, Austin, Texas, USA (2008/11/13).
[39] 笠谷雄一,元井桂一, 山口明啓, 宮島英紀, "強磁性細線Ni81Fe19における直流交流電流励起による異常ホール効果とスピン波励起(実験)", 日本物理学会 第64回年次大会 ; 立教大学 (Japanese, 2009/3/27).
[38] 元井桂一,山口明啓,宮島英紀, "強磁性細線Ni81Fe19における直流交流電流励起による異常ホール効果とスピン波励起", 日本物理学会 第64回年次大会 ; 立教大学 (Japanese, 2009/3/27).
[37] 山本栄也,岸本智亮,笠谷雄一,山口明啓,宮島英紀, "強磁性単結晶細線における結晶磁気異方性と磁壁移動", 日本物理学会 第64回年次大会 ; 立教大学 (Japanese, 2009/3/28).
[36] 山口 明啓, 元井桂一,東尾奈々,宮島英紀, "微小人工物質作製とその電磁波応答 ", 日本物理学会 第64回年次大会 ; 立教大学 (Japanese, 2009/3/28).
[35] Yuichi Kasatani, Hidenari Yamamoto, Akinobu Yamaguchi and Hideki Miyajima, "MAGNETIC DOMAIN WALL MOTION IN FERROMAGNETIC NANOWIRES WITH CRYSTALLINE ANISOTROPY", 20th International Colloquium on Magnetic Films and Surfaces ; ; Freie Universitat Berlin, Berlin, Germany (2009/7/20).
[34] A. Yamaguchi, K. Motoi, A. Hirohata and H. Miyajima, "ANOMALOUS HALL VOLTAGE RECTIFICATION EFFECT INDUCED BY SPIN-WAVE EXCITATION", 20th International Colloquium on Magnetic Films and Surfaces ; ; Freie Universitat Berlin, Berlin, Germany (2009/7/22).
[33] Minori Goto, Atsushi Kanome, Kouji Sekiguchi, Akinobu Yamaguchi and Hideki Miyajima, "Effect of Ferromagnetism on AB Oscillations in a Normal-Metal Ring with a Nano-Scale Ferromagnetic Dot", International Conference on Magnetism ; International Union for Pure and Applied Physics (IUPAP) ; Karlsruhe, Germany (2009/7/28).
[32] Akinobu Yamaguchi, Keiichi Motoi, Atsufumi Hirohata and Hideki Miyajima, "Detection of Quantized Spin-Wave Excitation by Anomalous Hall voltage Rectification in Nano-Magnets", International Conference on Magnetism ; International Union for Pure and Applied Physics (IUPAP) ; Karlsruhe, Germany (2009/7/28).
[31] Akinobu Yamaguchi, Keiichi Motoi, Hideki Miyajima, Tsuyoshi Uchiyama and Yuichi Utsumi and Atsufumi Hirohata, "Electromagnetic Propagation in Artificial Magnets", International Conference on Magnetism ; International Union for Pure and Applied Physics (IUPAP) ; Karlsruhe, Germany (2009/7/28).
[30] Hidenari Yamamoto, Yuichi Kasatani, Akinobu Yamaguchi and Hideki Miyajima, "Giant Magnetoresistance Effect Detection of Magnetic Domain Wall Motion in Single Crystalline Nanowires", International Conference on Magnetism ; International Union for Pure and Applied Physics (IUPAP) ; Karlsruhe, Germany (2009/7/28).
[29] 山口 明啓,元井桂一,宮島英紀,内山剛,内海裕一, "異常ホール整流効果を用いたナノ磁性体のスピンダイナミックス検出 ", 第33回日本磁気学会学術講演会 ; (社)日本磁気学会 ; 長崎大学 文教キャンパス (Japanese, 2009/9/13).
[28] 笠谷雄一,山口 明啓,宮島英紀 , "単結晶Feナノ細線中での単一磁壁移動", 第33回日本磁気学会学術講演会 ; 日本磁気学会 ; 長崎大学 文教キャンパス (Japanese, 2009/9/15).
[27] 山口明啓,後藤穣,宮島英紀, "多層膜ナノ構造体の電磁応答", 日本物理学会 2009年秋季大会 ; (社)日本物理学会 ; 熊本大学 黒髪キャンパス (Japanese, 2009/9/27).
[26] 山口明啓,元井桂一,宮島英紀,内山剛,内海裕一, "電流ならびに磁場による磁気渦共鳴の制御", 日本物理学会 2009年秋季大会 ; (社)日本物理学会 ; 熊本大学 黒髪キャンパス (Japanese, 2009/9/27).
[25] A. Yamaguchi, H. Hata, H. Miyajima, T. Sato, Y. Nakatani, A. Hirohata, T. Yamaoka, T. Uchiyama and Y. Utsumi, "Self-homodyne detection of Multi-vortex motion induced by rf current in micron-sized Fe19Ni81 ellipse dots", 11th Joint MMM-Intermag conference ; The American Institute of Phyics and the Magnetic Society of the IEEE, in cooperation with The American Physical Society ; Washington, DC (2010/1/21).
[24] 後藤穣,畑拓志,山口明啓,宮島英紀, "NiFe強磁性ドットにおけるボルテックスコアの磁気共鳴と周波数変調", 日本物理学会 第65回年次大会 ; (社)日本物理学会 ; 岡山大学 (Japanese, 2010/3/20).
[23] 笠谷雄一,山口明啓,宮島英紀, "単結晶および多結晶Fe細線におけるLLG方程式の減衰定数", 日本物理学会 第65回年次大会 ; (社)日本物理学会 ; 岡山大学 (Japanese, 2010/3/20).
[22] 山口明啓,宮島英紀, "多層膜人工構造体の高周波応答", 日本物理学会 第65回年次大会 ; (社)日本物理学会 ; 岡山大学 (Japanese, 2010/3/22).
[21] Y. Kasatani, A. Yamaguchi, H. Miyajima, "Ferromagnetic Resonance in a single-crystalline Fe wire and a polycrystalline Fe wire", International Symposium on Advanced Magnetic Materials and Applications 2010 (ISAMMA 2010) (2010/7/13).
[20] K. Motoi, A. Yamaguchi, H. Miyajima, T. Uchiyama and Y. Utsumi, "Detection of higher-order standing spin wave modes through the homodyne method", International Symposium on Advanced Magnetic Materials and Applications 2010 (ISAMMA 2010) (2010/7/14).
[19] A. Yamaguchi, Y. Kasatani, Y. Nozaki, H. Miyajima, A. Hirohata and K. O’Grady, "Domain wall propagation in single crystalline iron wires with crystalline anisotropy", Current Reserch in Magnetism 2010 ; The IOP Magnetism Group ; University of Manchester, UK (2010/7/23).
[18] 山口明啓, 岸本智亮,能崎幸雄,宮島英紀, "量子干渉効果を用いた単一磁壁移動制御", 第34回 日本磁気学会学術講演会 ; (社)日本磁気学会 ; つくば国際会議場 (Japanese, 2010/9/6).
[17] 細野一宏, 山口明啓, 能崎幸雄, 多々良源, "非局所スピン注入による拡散スピン流へのスピン軌道相互作用の影響", 第34回 日本磁気学会学術講演会 ; (社)日本磁気学会 ; つくば国際会議場 (Japanese, 2010/9/6).
[16] 笠谷雄一,山口明啓, 能崎幸雄, "整流効果を用いた強磁性複合膜細線におけるスピン波励起の測定", 第34回 日本磁気学会学術講演会 ; (社)日本磁気学会 ; つくば国際会議場 (Japanese, 2010/9/6).
[15] Y. Kasatani, A. Yamaguchi, and H. Miyajima, "Broadband ferromagnetic resonace of iron wires using rectifying effect", 2010 IEEE 7th International Symposium on Metallic Multilayers ; IEEE ; The Doubletree Hotel & Executive Meeting Center in Berkeley CA, USA (2010/9/22).
[14] A. Yamaguchi, K. Motoi, H. Miyajima, T. Uchiyama and Y. Utsumi, "Detection and modulation of high-order spin waves using rectifying effect", 2010 IEEE 7th International Symposium on Metallic Multilayers ; IEEE ; The Doubletree Hotel & Executive Meeting Center in Berkeley CA, USA (2010/9/22).
[13] 山口明啓, 岸本智亮,宮島英紀,能崎幸雄, "量子干渉効果による磁壁ラチェット ", 日本物理学会 2010年秋季大会 ; (社)日本物理学会 ; 大阪府立大学 (Japanese, 2010/9/24).
[12] 畑拓志,後藤穣,山口明啓,宮島英紀,能崎幸雄, "強磁性Fe19Ni81楕円ドットにおける磁気渦対の共鳴特性", 日本物理学会 2010年秋季大会 ; (社)日本物理学会 ; 大阪府立大学 (Japanese, 2010/9/24).
[11] 後藤穣,畑拓志,山口明啓,能崎幸雄,仲谷栄伸, "Fe19Ni81強磁性円盤における磁気渦の共鳴スペクトルと磁区構造依存性", 日本物理学会 2010年秋季大会 ; (社)日本物理学会 ; 大阪府立大学 (Japanese, 2010/9/24).
[10] 細野一弘,能崎幸雄,山口明啓,多々良源 , "スピン軌道相互作用による拡散スピン流の補正", 日本物理学会 2010年秋季大会 ; (社)日本物理学会 ; 大阪府立大学 (Japanese, 2010/9/24).
[9] K. Hosono, A.Yamaguchi, Y. Nozaki and G. Tatara, "Microscopic theory of diffusive spin current caused by spin Hall effect", 55th Annual Conference Magnetism & Magnetic Materials ; American Institute of Physics & The IEEE Magnetic Society ; Atlanta, Georgia, USA (2010/11/15).
[8] A. Yamaguchi, Y. Kasatani, Y. Nozaki, T. Uchiyama and Y. Utsumi, "Spin wave damping in confined micron-scale ferromagnet", 55th Annual Conference Magnetism & Magnetic Materials ; American Institute of Physics & The IEEE Magnetic Society ; Atlanta, Georgia, USA (2010/11/15).
[7] H. Hata, M. Goto, A.Yamaguchi and Y. Nozaki, "Resonance modes of a pair of magnetic vortices in micron scale Fe19Ni81 ellipsoid ", 55th Annual Conference Magnetism & Magnetic Materials ; American Institute of Physics & The IEEE Magnetic Society ; Atlanta, Georgia, USA (2010/11/17).
[6] M. Goto, H. Hata,A.Yamaguchi, Y. Nakatani, T.Yamaoka and Y. Nozaki, "Electrical detection of vortex states in a ferromagnetic disk through the rectifying effect", 55th Annual Conference Magnetism & Magnetic Materials ; American Institute of Physics & The IEEE Magnetic Society ; Atlanta, Georgia, USA (2010/11/17).
[5] A. Yamaguchi, T. Kishimoto,Y. Nozaki and H. Miyajima, "Magnetic domain wall displacement in a multilayered wire with quantum interference", 55th Annual Conference Magnetism & Magnetic Materials ; American Institute of Physics & The IEEE Magnetic Society ; Atlanta, Georgia, USA (2010/11/18).
[4] A.Yamaguchi, N.Higashio, K.Motoi, and H.Miyajima, "High-Frequency Electromagnetic Properties in the Artificial Nano-Scale Magnets-Control of Magnetic Structure and High-Frequency Electromagnetic Response", MWE 2008 workshop WS08-04 (2008/11/26)
[3] 元井桂一, 山口明啓, 宮島英紀, "強磁性細線における電流誘起スピン波共鳴現象", 応用物理学会 2008年 春季 第68回学術講演会 (Japanese, 2008/3/29)
[2] 山口明啓, 元井桂一, 宮下陽太, 宮島英紀, "ナノ強磁性細線の共鳴直流電圧発生法による強磁性共鳴測定", 応用物理学会 2008年 春季 第68回学術講演会 (Japanese, 2008/3/29)
[1] 山口明啓, 東尾奈々, 元井桂一, 宮島英紀, "ナノ磁性体の高周波応答について", 日本物理学会 第63回年次大会 (Japanese, 2008/3/23)
invited speech
[9] A. Yamaguchi, K. Motoi, H. Miyajima, "Direct current voltage induced by microwave signal in a ferromagnetic wire ", IEEE Metalic Multilayers 2007 ; University of Western Australia, Perth, Western Australia (2007/10/17).
[8] A. Hirohata, A. Yamaguchi, K. Motoi, H. Miyajima, T. Uchiyama and Y. Utsumi, "DC electrical response induced by the simultaneous application of ac and dc currents in artificial ferromagnets", IEEE International Magnetics Conference (Intermag 2009) ; IEEE & IEEE Magnetic Society ; Sacramento Convention Center, Sacramento, California, USA (2009/5/8).
[7] Keiichi Motoi, Akinobu Yamaguchi, Atsufumi Hirohata and Hideki Miyajima, "Detection of Current-Induced Spin-Wave Excitation using Rectification Effect in Nano-Magnets", International Conference on Magnetism ; International Union for Pure and Applied Physics (IUPAP) ; Karlsruhe, Germany (2009/7/27).
[6] A. Yamaguchi, K. Motoi, H. Miyajima, T. Sato and Y. Nakatani, "Non-linear vortex motion induced by simultaneous application of rf and dc current in a micron-sized Fe19Ni81 disk", 11th Joint MMM-Intermag conference ; The American Institute of Phyics and the Magnetic Society of the IEEE, in cooperation with The American Physical Society ; Washington, DC (2010/1/22).
[5] M. Goto, H. Hata A. Yamaguchi, H. Miyajima and Y. Nakatani , "Detection of vortex-core dynamics using current-induced self-bistable rectifying effect", International Symposium on Advanced Magnetic Materials and Applications 2010 (ISAMMA 2010) (2010/7/13).
[4] A. Yamaguchi, Y. Kasatani, H. Miyajima, "Domain wall propagation in single crystalline iron wires", International Symposium on Advanced Magnetic Materials and Applications 2010 (ISAMMA 2010) (2010/7/14).
[3] A. Yamaguchi, M. Shimizu, H. Miyajima, "Forefront of scanning Hall microscopy", 第34回 日本磁気学会学術講演会 ; (社)日本磁気学会 ; つくば国際会議場 (2010/9/6).
[2] 山口 明啓, "ナノ磁性体集結群の新奇な磁気特性の究明", 第71回 応用物理学学会 2010年秋季学術講演会 ; (社)応用物理学会 ; 長崎大学 文教キャンパス (Japanese, 2010/9/15).
[1] A. Yamaguchi, K. Motoi, A. Hirohata, N. Higashio, and H. Miyajima, "DC electrical response and impedance change induced by a microwave signal in a patterned ferromagnetic wire", SPIE 2008, (2008/8/10)
publications
[1] 山口 明啓, 宮島 英紀、「強磁性細線におけるマイクロ波励起による直流電圧発生現象」、日本磁気学会誌 32, 334-337, (Japanese, 2008).
patent
[2] 国内特許:山口 明啓, 岸本 智亮, 宮島英紀, "三端子型磁気抵抗素子", 特願2010-155679, 2010/07/08 (Japan).
[1] 国内特許:山口明啓、宮島英紀、東尾奈々、元井桂一, "インダクタ、半導体集積回路装置、及び、電子回路装置", 特願 2008-233657 (Japan).
press
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