一般講演

[G] Hard Magnetic Materials

Thu. Sep 16, 2021 9:00 AM - 12:05 PM Rm. L (ZoomRm.L)

座長:大久保忠勝(物質・材料研究機構)、岡田周祐(産業技術総合研究所)、西内武司(日立金属株式会社)

※表示の講演時間には質疑応答時間も含みます。
（質疑応答時間5分、基調講演と招待講演は5～10分）

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9:00 AM - 9:15 AM

[272] Origin of high coercivity in anisotropic sintered SmFe12-based magnet

*Hossein SEPEHRI　Amin¹, J.S. Zhang¹, Xin Tang¹, A.K. Srinithi¹, T. Ohkubo¹, K. Hono¹ (1. ESICMM-NIMS)

9:15 AM - 9:30 AM

[273] Compositional optimization of SmFe₁₂-based alloys accelerated by machine learning

*Anton Bolyachkin¹, Jiangnan Li¹, Ashok Srinithi^1,2, Jiasheng Zhang¹, Xin Tang¹, Pelin Tozman¹, Hossein Sepehri-Amin¹, Tadakatsu Ohkubo¹, Kazuhiro Hono¹ (1. NIMS、2. Univ. Tsukuba)

9:30 AM - 9:45 AM

[274] Alignment and Angular Dependence of Coercivity for (Sm, Ce)₂(Co, Fe, Cu, Zr)₁₇ Magnets

*Yutaka MATSUURA¹, RYUUJI TAMURA², KEISUKE ISHIGAMI³, KAZUSHI SUMITANI³, KENTARO KAJIWARA³, TETSUYA NAKAMURA^3,4 (1. Research Institute for Applied Sciences, 2. Tokyo University of Sciences, 3. Japan Synchrotron Radiation Research Institute, 4. Tohoku University)

9:45 AM - 10:00 AM

[275] Synthesis of TbCu₇-type Sm-Fe fine powder by low-temperature reduction-diffusion process using molten salt

*Shusuke OKADA¹, Kenta TAKAGI¹ (1. National Institute of Advanced Industrial Science and Technology (AIST))

10:00 AM - 10:15 AM

[276] Phase equilibria of Fe-rich composition region in Fe-Sm-Ti-Ag-Sn system

*Osamu TAKEDA¹, Sota Ikarashi¹, Hongmin Zhu¹, Satoshi Sugimoto¹ (1. Tohoku University)

10:15 AM - 10:30 AM

[277] Microstructural changes at Sm₂Fe₁₇/Zn interface using diffusion couple

*Masashi MATSUURA¹, Kuniko YAMAMOTO¹, Satoshi SUGIMOTO^1,2, Noritsugu SAKUMA³, Masaaki ITO³ (1. Tohoku Univ., 2. Tohoku Univ. RaMGI, 3. Toyota Motor Corp.)

10:30 AM - 10:45 AM

[278] Effects of magnetic field intensity on the nitriding process of Sm₂Fe₁₇

*Junki Takahashi¹, Masahira Onoue³, Yoshifuru Mitsui², Keiichi Koyama^2,3 (1. Kagoshima Univ., 2. Kagoshima Univ., 3. Research Support Center, Kagoshima Univ.)

break （10:45 AM - 11:05 AM）

11:05 AM - 11:20 AM

[279] Significant enhancement of coercivity of hot-deformed magnets by two-step diffusion process
using a minimal amount of Dy

*Xin Tang¹, M. Korent¹, H. Sepehri-Amin¹, K. Hioki², T. Ohkubo¹, K. Hono¹ (1. Elements Strategy Initiative Center for Magnetic Materials, National Institute for Materials Science, Tsukuba 305-0047, Japan、2. Daido Corporate Research & Development Center, Daido Steel Co., Ltd., Nagoya 457-8545, Japan)

11:20 AM - 11:35 AM

[280] Achieving high coercivity in fine-grained Nd-Fe-B sintered magnet by two-step grain boundary diffusion process

*Zexuan Wang¹, Taisuke Sasaki¹, Yasuhiro Une², Tadakatsu Ohkubo¹, Kazuhiro Hono¹ (1. NIMS, 2. Daido Steel)

11:35 AM - 11:50 AM

[281] High electrical resistance of sintered NdFeB magnets by modifying Nd-rich grain boundary

*Shin TSUKAMOTO¹, Tomokazu HUKUZAKI², Syohei YOSHIDA², RYUji TAMURA¹ (1. Tokyo University of Science, 2. NIDEC CORPORATION)

11:50 AM - 12:05 PM

[282] Electrophoretic deposition coating towards the development of anisotropic Nd-Fe-B hot deformed magnets with high resistivity

*Zulfa　Hilmi Kautsar^1,2, Hossein Sepehri-Amin², Xin Tang², Tadakatsu Ohkubo², Kazuhiro Hono^1,2 (1. University of Tsukuba、2. National Institute for Materials Science)

一般講演

[G] Spintronics/Nanomagnetic Materials / Magnetic Functional Materials

Thu. Sep 16, 2021 1:00 PM - 5:00 PM Rm. L (ZoomRm.L)

Chair:Ito Keita

※表示の講演時間には質疑応答時間も含みます。
（質疑応答時間5分、基調講演と招待講演は5～10分）

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1:00 PM - 1:40 PM

[283] From ordered-alloy spintronics to renaissance of metallic superlattices

*Koki TAKANASHI¹ (1. IMR, Tohoku Univ.)

1:40 PM - 1:55 PM

[284] Magnetic properties of variant free L1₀-FeNi(110) films fabricated by a denitriding method

*Keita ITO^1,2, Takumi ICHIMURA³, Takahiro NISHIO⁴, Hiroaki KURA⁴, Hideto YANAGIHARA⁵, Koki TAKANASHI^1,2,6 (1. IMR, Tohoku Univ., 2. CSRN, Tohoku Univ., 3. Grad. Sch. Eng., Tohoku Univ., 4. DENSO CORPORATION, 5. Dept. of Appl. Phys., Univ. of Tsukuba, 6. CSIS, Tohoku Univ)

1:55 PM - 2:10 PM

[285] Spin mixing conductance in Co₂MnSi/Pt

*Yuta Sasaki¹, Yukiko Takahashi¹, Shinya Kasai^1,2 (1. NIMS, 2. JST PRESTO)

2:10 PM - 2:25 PM

[286] Composition dependence of spontaneous magnetization and crystalline structure
in Al doped Cr₂O₃ thin films

*Tastuo Tada¹, Yu Shiratsuchi², Kentaro Toyoki², Yoshinori Kotani³, Ryoichi Nakatani² (1. 阪大工（院生）、2. 阪大工、3. JASRI/SRring-8)

2:25 PM - 2:40 PM

[287] Determination of magnetic exchange stiffness by measuring magnetic domain wall width

*Kodai NIITSU¹ (1. Kyoto University)

2:40 PM - 2:55 PM

[288] The effect of particle-shape of Co-SiO₂ nano-granular films on
low-temperature magnetic properties

*Hanae AOKI¹, Yang CAO¹, Tsutomu NOJIMA¹, Shigehiro OHNUMA^1,2, Nobukiyo KOBAYASHI², Hiroshi MASUMOTO¹ (1. Tohoku University, 2. DENJIKEN)

2:55 PM - 3:10 PM

[289] Magnetic properties of Nd-Fe-B/Mo/α-Fe nanocomposite multilayered films with 3D-seed

*Hinata NAKAJIMA¹, Kohei FURUSAWA¹, Kunihiro KOIKE¹, Hiroaki KATO¹, Nobuyuki INABA¹, Masaru ITAKURA², Yu SAITO³, Susumu OKUBO³, Hitoshi OHTA³ (1. Yamagata Univ., 2. Kyushu Univ., 3. Kobe Univ.)

break （3:10 PM - 3:30 PM）

3:30 PM - 3:45 PM

[290] Reduction of Hysteresis in (La_1-xCe_x)_y(Mn_0.34Fe_11.06)Si_1.6 Magnetocaloric Compounds for Cryogenic Magnetic Refrigeration

*Jiawei Lai¹, Hossein Sepehri-Amin¹, Xin Tang¹, Jiangnan LI¹, Yoshitaka Matsushita¹, Tadakatsu Ohkubo¹, Akiko Saito¹, Kazuhiro Hono¹ (1. National Institute of Materials Science)

3:45 PM - 4:00 PM

[291] Inhibition of homogenization in La(Fe_xSi_1-x)₁₃ compound with high Fe concentration

*Kaoru Imaizumi¹, Asuka Suzuki², Makoto Kobashi², Asaya Fujita³, Kimihiro Ozaki³ (1. Nagoya univ., 2. Nagoya univ., 3. AIST)

4:00 PM - 4:15 PM

[292] Influence of rolling direction on vibration power generation property of grain-oriented electrical steel

*Taku OKADA¹, Shun FUJIEDA¹, Shuichiro HASHI², Kazushi ISHIYAMA³, Shigeru SUZUKI⁴, Satoshi SEINO¹, Takashi NAKAGAWA¹, Takao YAMAMOTO¹ (1. Graduate School of Engineering, Osaka Univ., 2. Tohoku Gakuin Univ., 3. RIEC, Tohoku Univ., 4. μSIC, Tohoku Univ.)

4:15 PM - 4:30 PM

[293] Vibration power generation using Fe-Co-V alloy with high-saturation magnetic flux density

*Shun FUJIEDA¹, Shimpei INOUE¹, Taku OKADA¹, Shuichiro HASHI², Kazushi ISHIYAMA³, Shigeru SUZUKI⁴, Satoshi SEINO¹, Takashi NAKAGAWA¹, Takao YAMAMOTO¹ (1. Graduate School of Engineering, Osaka Univ., 2. Tohoku Gakuin Univ., 3. RIEC, Tohoku Univ., 4. μSIC, Tohoku Univ.)

4:30 PM - 4:45 PM

[294] Effect of Chromium addition on Phase Stability and Magnetic Properties of Heusler Alloys in the Ni-Mn-Sn system

*Ryuga Hagimoto¹, Manabu Watanabe¹, Chai Yaw-Wang¹, Yoshisato Kimura¹ (1. Tokyo Institute of Technology)

4:45 PM - 5:00 PM

[295] Ab-inito study of Mn(Co_1-xCu_x)Ge and (Mn_1-xCu_x)CoGe

*Taisei Takaoka¹, Yoshifuru Mitsui¹, Keiichi Koyama¹, Shinpei Fujii¹ (1. Graduate School of Science and Engineering, Kagoshima University, Kagoshima)

一般講演

[G] Soft Magnetic Materials

Fri. Sep 17, 2021 1:00 PM - 2:30 PM Rm. L (ZoomRm.L)

Chair:Masashi Matsuura(Tohoku Univ.), Yasushi Endo(Tohoku University)

※表示の講演時間には質疑応答時間も含みます。
（質疑応答時間5分、基調講演と招待講演は5～10分）

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1:00 PM - 1:15 PM

[296] Magnetic properties of arranged soft magnetic Fe-B particle composite materials

*Yasushi ENDO¹, Bingchuan FANG², Takamichi MIYAZAKI², Hanae AOKI³, Hiroshi MASUMOTO³ (1. ECEI, Tohoku University, 2. ECEI, Tohoku University, 3. FRIS, Tohoku University)

1:15 PM - 1:30 PM

[297] Dependence of structure and magnetic properties on the Ga composition for Fe-Ga-B films

Shogo MURAMATSU¹, Takamichi MIYAZAKI², *Yasushi ENDO² (1. Tohoku University, 2. Tohoku University)

1:30 PM - 1:45 PM

[298] Refining effect of crystal grain with Al and Cu in Fe-Si-Al Nano-crystalline alloys

*Nozomu Kamiyama¹, Takashi Matsuoka¹, Teruo Bitoh² (1. Nippon Chemi-Con Corp., 2. Akita Prefect. Univ.)

1:45 PM - 2:00 PM

[299] Magnetic Properties and Structure by High-temperature Heat Treatment of Fe-Si-B Amorphous Magnetic Material

*Toshio SASAKI¹, hotaka Sakuma², Shota Yazawa², Yuta Kimura², Riku Moriya², Hiroshi Watanabe¹, Kiyozumi Niizuma² (1. TOHSEI INDUSTRIAL CO.,LTD., 2. College of Industrial Technology,Nihon Iniversity)

2:00 PM - 2:15 PM

[300] Energy losses due to magnetostriction in nanocrystalline soft magnetic materials

*Hiroshi TSUKAHARA^1,2, Hiroshi IMAMURA², Chiharu MITSUMATA³, Kiyonori SUZUKI⁴, Kanta ONO^1,5 (1. KEK, 2. AIST, 3. NIMS, 4. Monash Univ., 5. Osaka Univ.)

2:15 PM - 2:30 PM

[301] Magnetic properties of nitrogen martensite for Fe-Co alloy foil.

*Tomohiro Tabata¹, Matahiro Komuro¹, Yusuke Asari¹, Shinya Tamura¹, Shohei Terada¹, Satoshi Sugimoto² (1. Hitachi, Ltd., 2. Tohoku University)

Sessions

9.Electric/Electronic/Optical Materials » Magnetic Materials

[G] Hard Magnetic Materials

[272] Origin of high coercivity in anisotropic sintered SmFe12-based magnet

[273] Compositional optimization of SmFe₁₂-based alloys accelerated by machine learning

[274] Alignment and Angular Dependence of Coercivity for (Sm, Ce)₂(Co, Fe, Cu, Zr)₁₇ Magnets

[275] Synthesis of TbCu₇-type Sm-Fe fine powder by low-temperature reduction-diffusion process using molten salt

[276] Phase equilibria of Fe-rich composition region in Fe-Sm-Ti-Ag-Sn system

[277] Microstructural changes at Sm₂Fe₁₇/Zn interface using diffusion couple

[278] Effects of magnetic field intensity on the nitriding process of Sm₂Fe₁₇

[279] Significant enhancement of coercivity of hot-deformed magnets by two-step diffusion process
using a minimal amount of Dy

[280] Achieving high coercivity in fine-grained Nd-Fe-B sintered magnet by two-step grain boundary diffusion process

[281] High electrical resistance of sintered NdFeB magnets by modifying Nd-rich grain boundary

[282] Electrophoretic deposition coating towards the development of anisotropic Nd-Fe-B hot deformed magnets with high resistivity

[G] Spintronics/Nanomagnetic Materials / Magnetic Functional Materials

[283] From ordered-alloy spintronics to renaissance of metallic superlattices

[284] Magnetic properties of variant free L1₀-FeNi(110) films fabricated by a denitriding method

[285] Spin mixing conductance in Co₂MnSi/Pt

[286] Composition dependence of spontaneous magnetization and crystalline structure
in Al doped Cr₂O₃ thin films

[287] Determination of magnetic exchange stiffness by measuring magnetic domain wall width

[288] The effect of particle-shape of Co-SiO₂ nano-granular films on
low-temperature magnetic properties

[289] Magnetic properties of Nd-Fe-B/Mo/α-Fe nanocomposite multilayered films with 3D-seed

[290] Reduction of Hysteresis in (La_1-xCe_x)_y(Mn_0.34Fe_11.06)Si_1.6 Magnetocaloric Compounds for Cryogenic Magnetic Refrigeration

[291] Inhibition of homogenization in La(Fe_xSi_1-x)₁₃ compound with high Fe concentration

[292] Influence of rolling direction on vibration power generation property of grain-oriented electrical steel

[293] Vibration power generation using Fe-Co-V alloy with high-saturation magnetic flux density

[294] Effect of Chromium addition on Phase Stability and Magnetic Properties of Heusler Alloys in the Ni-Mn-Sn system

[295] Ab-inito study of Mn(Co_1-xCu_x)Ge and (Mn_1-xCu_x)CoGe

[G] Soft Magnetic Materials

[296] Magnetic properties of arranged soft magnetic Fe-B particle composite materials

[297] Dependence of structure and magnetic properties on the Ga composition for Fe-Ga-B films

[298] Refining effect of crystal grain with Al and Cu in Fe-Si-Al Nano-crystalline alloys

[299] Magnetic Properties and Structure by High-temperature Heat Treatment of Fe-Si-B Amorphous Magnetic Material

[300] Energy losses due to magnetostriction in nanocrystalline soft magnetic materials

[301] Magnetic properties of nitrogen martensite for Fe-Co alloy foil.

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