NAMAI Asuka 生井飛鳥

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Namai Asuka 生井飛鳥

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Researcher Number	40632435
Other IDs
Affiliation (Current)	2025: 東京大学, 大学院理学系研究科(理学部), 准教授
Affiliation (based on the past Project Information) *help	2023 – 2024: 東京大学, 大学院理学系研究科(理学部), 准教授 2019 – 2021: 東京大学, 大学院理学系研究科(理学部), 准教授 2018: 東京大学, 大学院理学系研究科(理学部), 助教 2016: 東京大学, 大学院理学系研究科(理学部), 助教 2012 – 2015: 東京大学, 理学(系)研究科(研究院), 助教
Review Section/Research Field	Principal Investigator Basic Section 32010:Fundamental physical chemistry-related / Basic Section 26020:Inorganic materials and properties-related / Functional solid state chemistry / Physical chemistry
Keywords	Principal Investigator 磁性材料 / ミリ波 / 材料定数 / 誘電損失 / 磁気損失 / 機能性金属酸化物 / 分光 / ナノ粒子 / ハードフェライト / 磁性フェライト … More / 電磁波吸収特性 / 磁気特性 / 金属置換 / ハード磁性 / 磁性セラミクス / ナノマテリアル / 磁性ナノ微粒子 / 高周波透磁率 / 高保磁力 / 磁性ナノ粒子 / 電磁波 / 異方性磁界 / 酸化鉄 / ナノ材料 / セラミックス / 高周波特性 / ナノ微粒子 / 金属酸化物 Less

Research Projects
(4 results)
Research Products
(69 results)

ミリ波吸収材料の材料学的探究と透磁率・誘電率同時制御による高性能化Principal Investigator
- Principal Investigator
  
  生井飛鳥
- Project Period (FY)
  2023 – 2025
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 32010:Fundamental physical chemistry-related
- Research Institution
  The University of Tokyo
Development research on high performance magnetic ceramicsPrincipal Investigator
- Principal Investigator
  
  Namai Asuka
- Project Period (FY)
  2018 – 2021
- Research Category
  
  Grant-in-Aid for Early-Career Scientists
- Review Section
  
  Basic Section 26020:Inorganic materials and properties-related
- Research Institution
  The University of Tokyo
Development of millimeter wave absorber based on orthorhombic iron oxidePrincipal Investigator
- Principal Investigator
  
  NAMAI ASUKA
- Project Period (FY)
  2014 – 2016
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Functional solid state chemistry
- Research Institution
  The University of Tokyo
The study of novel magnetic metal oxide exhibiting next-generation millimeter wave magneto-optic effectPrincipal Investigator
- Principal Investigator
  
  NAMAI Asuka
- Project Period (FY)
  2012 – 2013
- Research Category
  
  Grant-in-Aid for Research Activity Start-up
- Research Field
  
  Physical chemistry
- Research Institution
  The University of Tokyo

All 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 Other

All Journal Article Presentation Book Patent

[Book] 電波吸収体・電磁波シールド材の開発最前線－5Gに向けた設計と高性能化－2020
- Author(s)
  二川優平, 生井飛鳥, 大越慎一
- Total Pages
  318
- Publisher
  シーエムシー出版
- Data Source
  KAKENHI-PROJECT-18K13989
[Book] 最新ミリ波吸収，遮蔽，透過材の設計・実用化技術2020
- Author(s)
  大越慎一, 生井飛鳥
- Total Pages
  252
- Publisher
  シーエムシー出版
- Data Source
  KAKENHI-PROJECT-18K13989
[Book] 高周波対応部材の開発動向と５Ｇ、ミリ波レーダーへの応用2019
- Author(s)
  大越慎一, 生井飛鳥
- Total Pages
  9
- Publisher
  技術情報協会
- ISBN
  9784861047336
- Data Source
  KAKENHI-PROJECT-18K13989
[Book] 電磁波吸収・シールド材料の設計、評価技術と最新ノイズ対策2016
- Author(s)
  生井飛鳥、大越慎一
- Total Pages
  446
- Publisher
  技術情報協会
- Data Source
  KAKENHI-PROJECT-26810045
[Book] 電波吸収体およびシールド材の開発と応用2016
- Author(s)
  大越慎一, 生井飛鳥
- Total Pages
  247
- Publisher
  シーエムシー出版
- Data Source
  KAKENHI-PROJECT-26810045
[Book] ε-iron oxide exhibiting high-frequency millimeter wave absorption(Journal of the Japan Society of Powder and Powder Metallurgy)2014
- Author(s)
  M. Yoshikiyo, A. Namai and S. Ohkoshi
- Data Source
  KAKENHI-PROJECT-24850004
[Book] Development of a hard magnetic ferrite exhibiting a gigantic coercivity and high frequency millimeter wave rotation(Activity Report 2012, The Institute for Solid State Physics)2013
- Author(s)
  A. Namai and S. Ohkoshi
- Publisher
  The University of Tokyo
- Data Source
  KAKENHI-PROJECT-24850004
[Book] Unusual temperature dependence of zero-field ferromagnetic resonance in millimeter wave region on Al-substituted ε-Fe2O3(Ferromagnetic Resonance: Theory and Applications, Ch. 8)2012
- Author(s)
  M. Yoshikiyo, A. Namai, and S. Ohkoshi
- Publisher
  Intech
- Data Source
  KAKENHI-PROJECT-24850004
[Book] 巨大保磁力および超高周波電磁波吸収を示すイプシロン型酸化鉄(大越慎一セラミックス誌)
- Author(s)
  生井飛鳥, 吉清まりえ
- Publisher
  日本セラミックス協会(in press)
- Data Source
  KAKENHI-PROJECT-24850004
[Journal Article] Resonance Frequency Tuning of a 200 GHz Band Absorber by an External Magnetic Field2022
- Author(s)
  Tsukamoto Seiya、Oki Yurie、Imoto Kenta、Namai Asuka、Yoshikiyo Marie、Ohkoshi Shin-ichi
- Journal Title
  
  Advanced Photonics Research
  
  Volume: 3 Issue: 5 Pages: 2100319-2100319
- DOI
  10.1002/adpr.202100319
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-18K13989, KAKENHI-PROJECT-20H00369
[Journal Article] Highly Efficient Broadband Millimeter‐Wave?Absorbing Ultrathin Films2021
- Author(s)
  Kinugawa Rina、Imoto Kenta、Futakawa Yuhei、Shimizu Shoma、Fujiwara Rei、Yoshikiyo Marie、Namai Asuka、Ohkoshi Shin-ichi
- Journal Title
  
  Advanced Engineering Materials
  
  Volume: 23 Issue: 4 Pages: 2001473-2001473
- DOI
  10.1002/adem.202001473
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18K13989, KAKENHI-PROJECT-15H05697, KAKENHI-PROJECT-20H00369
[Journal Article] Broadband-Millimeter-Wave Absorber Based on ε-(TiIVCoII)xFeIII2－2xO3 for Advanced Driver Assistance Systems2020
- Author(s)
  Asuka Namai, Koreyoshi Ogata, Marie Yoshikiyo, and Shin-ichi Ohkoshi
- Journal Title
  
  The Bulletin of the Chemical Society of Japan
  
  Volume: 93 Issue: 1 Pages: 20-25
- DOI
  10.1246/bcsj.20190254
- NAID
  130007784859
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18K13989, KAKENHI-PROJECT-15H05697
[Journal Article] Crystal structure and magnetic properties of ε-RuxFe2-xO3 nanosize hard ferrite2018
- Author(s)
  Namai Asuka、Ohkoshi Shin‐ichi
- Journal Title
  
  Chemistry - A European Journal
  
  Volume: 24 Issue: 46 Pages: 11880-11884
- DOI
  10.1002/chem.201802771
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18K13989, KAKENHI-PROJECT-15H05697
[Journal Article] Magnetic glass-film based on single-nanosize ε-Fe2O3 nanoparticles2017
- Author(s)
  M. Yoshikiyo, A. Namai, K. Nakagawa, S. Ohkoshi
- Journal Title
  
  AIP Advances
  
  Volume: 7 Issue: 5
- DOI
  10.1063/1.4974976
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-26810045, KAKENHI-PROJECT-15H05697
[Journal Article] Millimeter wave rotation in ε-Al0.47Fe1.53O3 at one hundred gigahertz2016
- Author(s)
  A. Namai, M. Yoshikiyo, S. Ohkoshi
- Journal Title
  
  IEEE Magnetics Letters
  
  Volume: 7 Pages: 1-4
- DOI
  10.1109/lmag.2016.2606603
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-26810045, KAKENHI-PROJECT-15H05697
[Journal Article] Zeta-Fe2O3; A new stable polymorph in iron(III) oxide family2015
- Author(s)
  J. Tucek, L. Machala, S. Ono, A. Namai, M. Yoshikiyo, K. Imoto, H. Tokoro, S. Ohkoshi and R. Zboril
- Journal Title
  
  Scientific Reports
  
  Volume: ５ Issue: 1
- DOI
  10.1038/srep15091
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26810045, KAKENHI-PROJECT-26708008, KAKENHI-PROJECT-15H05697
[Journal Article] Structural phase transition between γ-Ti3O5 and δ-Ti3O5 by breaking of one-dimensionally conducting pathway2015
- Author(s)
  K. Tanaka, T. Nasu, Y. Miyamoto, N. Ozaki, S. Tanaka, T. Nagata, F. Hakoe, M. Yoshikiyo, K. Nakagawa, Y. Umeta, K. Imoto, H. Tokoro, A. Namai, S. Ohkoshi
- Journal Title
  
  Crystal Growth & Design
  
  Volume: 15 Issue: 2 Pages: 653-657
- DOI
  10.1021/cg5013439
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-13J09260, KAKENHI-PROJECT-26708008, KAKENHI-PROJECT-26810045
[Journal Article] Nanometer-size hard magnetic ferrite exhibiting high optical-transparency and nonlinear optical-magnetoelectric effect2015
- Author(s)
  S. Ohkoshi, A. Namai, K. Imoto, M. Yoshikiyo, W. Tarora, K. Nakagawa, M. Komine, Y. Miyamoto, T. Nasu, S. Oka and H. Tokoro
- Journal Title
  
  Scientific Reports
  
  Volume: ５ Issue: 1
- DOI
  10.1038/srep14414
- NAID
  120006348515
- Peer Reviewed / Acknowledgement Compliant / Open Access
- Data Source
  KAKENHI-PROJECT-26810045, KAKENHI-PROJECT-26708008, KAKENHI-PROJECT-15H05697
[Journal Article] High-frequency millimeter wave absorption of indium-substituted ε-Fe_2O_3 spherical nanoparticles2014
- Author(s)
  M. Yoshikiyo, A. Namai, M. Nakajima, K. Yamaguchi, T. Suemoto, S Ohkoshi
- Journal Title
  
  Journal of Applied Physics
  
  Volume: 115 Issue: 17 Pages: 172613-172613
- DOI
  10.1063/1.4870168
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-13J09260, KAKENHI-PROJECT-24850004, KAKENHI-PROJECT-25286063
[Journal Article] 巨大保磁力および超高周波電磁波吸収を示すイプシロン型酸化鉄2014
- Author(s)
  生井飛鳥, 吉清まりえ, 大越慎一
- Journal Title
  
  セラミックス誌
  
  Volume: 49 Pages: 434-439
- Data Source
  KAKENHI-PROJECT-26810045
[Journal Article] The synthesis of rhodium substituted ε-iron oxide exhibiting super high frequency natural resonance2013
- Author(s)
  A. Namai, M. Yoshikiyo, S. Umeda, T. Yoshida, T. Miyazaki, M. Nakajima, K. Yamaguchi, T. Suemoto, S. Ohkoshi
- Journal Title
  
  Journal of Materials Chemistry C
  
  Volume: 1 Issue: 34 Pages: 5200-5206
- DOI
  10.1039/c3tc30805g
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-13J09260, KAKENHI-PROJECT-23244063, KAKENHI-PROJECT-24656043, KAKENHI-PROJECT-24850004, KAKENHI-PROJECT-25286063
[Patent] 出願中につき非公開2016
- Inventor(s)
  大越慎一、生井飛鳥、他3名
- Industrial Property Rights Holder
  大越慎一、生井飛鳥、他3名
- Industrial Property Rights Type
  特許
- Filing Date
  2016-11-30
- Overseas
- Data Source
  KAKENHI-PROJECT-26810045
[Patent] 出願中につき非公開2015
- Inventor(s)
  大越慎一、生井飛鳥、他4名
- Industrial Property Rights Holder
  大越慎一、生井飛鳥、他4名
- Industrial Property Rights Type
  特許
- Industrial Property Number
  2015-015917
- Filing Date
  2015-01-29
- Data Source
  KAKENHI-PROJECT-26810045
[Patent] 電磁波吸収体及び膜形成用ペースト2015
- Inventor(s)
  大越慎一, 生井飛鳥, 吉清まりえ, 小野貴司
- Industrial Property Rights Holder
  大越慎一, 生井飛鳥, 吉清まりえ, 小野貴司
- Industrial Property Rights Type
  特許
- Filing Date
  2015-12-01
- Overseas
- Data Source
  KAKENHI-PROJECT-26810045
[Patent] 出願中につき非公開2015
- Inventor(s)
  大越慎一、生井飛鳥、他4名
- Industrial Property Rights Holder
  大越慎一、生井飛鳥、他4名
- Industrial Property Rights Type
  特許
- Industrial Property Number
  2015-008160
- Filing Date
  2015-01-19
- Data Source
  KAKENHI-PROJECT-26810045
[Patent] 出願中につき非公開2015
- Inventor(s)
  大越慎一、生井飛鳥、他５名
- Industrial Property Rights Holder
  大越慎一、生井飛鳥、他５名
- Industrial Property Rights Type
  特許
- Industrial Property Number
  2015-062084
- Filing Date
  2015-03-25
- Data Source
  KAKENHI-PROJECT-26810045
[Patent] 電磁波吸収体及び膜形成用ペースト2015
- Inventor(s)
  大越慎一, 生井飛鳥, 吉清まりえ, 小野貴司
- Industrial Property Rights Holder
  大越慎一, 生井飛鳥, 吉清まりえ, 小野貴司
- Industrial Property Rights Type
  特許
- Filing Date
  2015-12-02
- Overseas
- Data Source
  KAKENHI-PROJECT-26810045
[Patent] 電磁波吸収体及び膜形成用ペースト2015
- Inventor(s)
  大越慎一, 生井飛鳥, 吉清まりえ, 小野貴司
- Industrial Property Rights Holder
  大越慎一, 生井飛鳥, 吉清まりえ, 小野貴司
- Industrial Property Rights Type
  特許
- Filing Date
  2015-12-02
- Overseas
- Data Source
  KAKENHI-PROJECT-26810045
[Patent] 出願中につき非公開2015
- Inventor(s)
  大越慎一、生井飛鳥、他4名
- Industrial Property Rights Holder
  大越慎一、生井飛鳥、他4名
- Industrial Property Rights Type
  特許
- Industrial Property Number
  2015-000762
- Filing Date
  2015-01-06
- Data Source
  KAKENHI-PROJECT-26810045
[Patent] 電磁波吸収体及び膜形成用ペースト2015
- Inventor(s)
  大越慎一, 生井飛鳥, 吉清まりえ, 小野貴司
- Industrial Property Rights Holder
  大越慎一, 生井飛鳥, 吉清まりえ, 小野貴司
- Industrial Property Rights Type
  特許
- Industrial Property Number
  2015-207316
- Filing Date
  2015-10-21
- Data Source
  KAKENHI-PROJECT-26810045
[Patent] イプシロン型酸化鉄の保磁力向上方法およびイプシロン型酸化鉄2013
- Inventor(s)
  大越慎一, 生井飛鳥,他5
- Industrial Property Rights Holder
  国立大学法人東京大学, DOWA エレクトロニクス株式会社
- Industrial Property Rights Type
  特許
- Acquisition Date
  2013-11-15
- Overseas
- Data Source
  KAKENHI-PROJECT-24850004
[Presentation] 高性能フェライト磁石の開発と次世代電磁波吸収材への展開2022
- Author(s)
  生井飛鳥
- Organizer
  日本化学会第102春季年会(2022)
- Invited
- Data Source
  KAKENHI-PROJECT-18K13989
[Presentation] The Formation of a Nanoscale Hard Magnetic Ferrite from Prussian Blue Nanocrystals2022
- Author(s)
  J. MacDougall, A. Namai, S. Ohkoshi, M. Yoshikiyo
- Organizer
  2022 Joint MMM-INTERMAG
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K13989
[Presentation] Broadband-millimeter-wave absorber based on Ti-Co substituted ε-iron oxide2020
- Author(s)
  A. Namai, M. Yoshikiyo, S. Ohkoshi
- Organizer
  65th Annual Conference on Magnetism and Magnetic Material (MMM2020)（国際学会）
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K13989
[Presentation] Coercive field enhancement effect by ruthenium substitution in ε-iron oxide nanomagnet2019
- Author(s)
  Asuka Namai, Marie Yoshikiyo, Shin-ichi Ohkoshi
- Organizer
  Phase Transition and Dynamical Properties of Spin Transition Materialsni (PDSTM2019)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K13989
[Presentation] イプシロン酸化鉄ハード磁性フェライトの金属置換サイト位置効果2019
- Author(s)
  生井飛鳥, 吉清まりえ, 大越慎一
- Organizer
  日本化学会第99春季年会
- Data Source
  KAKENHI-PROJECT-18K13989
[Presentation] イプシロン酸化鉄の磁気特性と高周波ミリ波吸収特性2019
- Author(s)
  生井飛鳥, 大越慎一
- Organizer
  高周波磁性材料の実用化のための技術動向調査専門委員会
- Invited
- Data Source
  KAKENHI-PROJECT-18K13989
[Presentation] Large coercive field of ruthenium substituted ε-iron oxide nanomagnet2019
- Author(s)
  Asuka Namai, Shin-ichi Ohkoshi
- Organizer
  2019 Joint MMM-Intermag Conference
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K13989
[Presentation] アルミニウム置換型イプシロン酸化鉄のミリ波吸収およびミリ波回転性能2017
- Author(s)
  生井飛鳥、吉清まりえ、大越慎一
- Organizer
  日本化学会第97春季年会
- Place of Presentation
  慶應義塾大学（神奈川県横浜市）
- Year and Date
  2017-03-17
- Data Source
  KAKENHI-PROJECT-26810045
[Presentation] Synthesis of rhodium substituted ε-iron oxide exhibiting large magnetic anisotropy and its natural resonance phenomenon2016
- Author(s)
  A. Namai, M. Yoshikiyo, S. Ohkoshi
- Organizer
  IEEE International Conference on Microwave Magnetics 2016
- Place of Presentation
  タスカルーサ(アメリカ合衆国)
- Year and Date
  2016-06-06
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26810045
[Presentation] THz-TDS measurement of millimeter wave absorption properties on gallium substituted epsilon-iron oxide2016
- Author(s)
  A. Namai, M. Yoshikiyo, S. Ohkoshi
- Organizer
  61st Annual Conference on Magnetism and Magnetic Materials
- Place of Presentation
  ニューオーリンズ(アメリカ合衆国)
- Year and Date
  2016-11-04
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26810045
[Presentation] イプシロン酸化鉄のゼロ磁場強磁性共鳴における複素透磁率とその金属置換効果2016
- Author(s)
  生井飛鳥, 吉清まりえ, 大越慎一
- Organizer
  日本化学会第96春季年会(2016)
- Place of Presentation
  同志社大学京田辺キャンパス (京都府京田辺市)
- Year and Date
  2016-03-26
- Data Source
  KAKENHI-PROJECT-26810045
[Presentation] イプシロン酸化鉄のゼロ磁場下強磁性共鳴における誘電率と透磁率2016
- Author(s)
  生井飛鳥, 吉清まりえ, 倉橋真司, 後藤崇, 吉田貴行, 正田憲司, 宮崎達郎, 栗原貴之, 末元徹, 大越慎一
- Organizer
  日本物理学会第71回年次大会(2016)
- Place of Presentation
  東北学院大学泉キャンパス (宮城県仙台市)
- Year and Date
  2016-03-22
- Data Source
  KAKENHI-PROJECT-26810045
[Presentation] Epsilon iron oxide nanomagnets exhibiting huge coercivity and high-frequency millimeter wave absorption II2016
- Author(s)
  A. Namai, M. Yoshikiyo, S. Ohkoshi
- Organizer
  New Trends in Multifunctional Magnetic Molecular materials (NTM4)
- Place of Presentation
  サラゴサ（スペイン）
- Year and Date
  2016-12-02
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26810045
[Presentation] ε-iron oxide nanoparticle exhibiting zero-field ferromagnetic resonance2015
- Author(s)
  A. Namai, M. Yoshikiyo, S. Ohkoshi
- Organizer
  2015 International Chemical Congress of Pacific Basin Societies
- Place of Presentation
  Honolulu (USA)
- Year and Date
  2015-12-17
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26810045
[Presentation] 巨大保磁力および超高周波ミリ波吸収を示すロジウム置換型イプシロン酸化鉄ナノ微粒子の合成2015
- Author(s)
  生井飛鳥, 吉清まりえ, 大越慎一
- Organizer
  日本化学会第95春季年会(2015)
- Place of Presentation
  日本大学船橋キャンパス（千葉県船橋市）
- Year and Date
  2015-03-27
- Data Source
  KAKENHI-PROJECT-26810045
[Presentation] The synthesis of rhodium substituted epsilon-iron oxide and its large magnetic anisotropy and high-frequency zero-field ferromagnetic resonance2015
- Author(s)
  生井飛鳥, 吉清まりえ, 大越慎一
- Organizer
  第6回低温センター研究交流会
- Place of Presentation
  東京大学本郷キャンパス（東京都文京区）
- Year and Date
  2015-03-04
- Data Source
  KAKENHI-PROJECT-26810045
[Presentation] イプシロン酸化鉄のゼロ磁場下強磁性共鳴の金属置換効果2015
- Author(s)
  生井飛鳥, 吉清まりえ, 倉橋真司, 後藤崇, 吉田貴行, 正田憲司, 宮崎達郎, 栗原貴之, 末元徹, 大越慎一
- Organizer
  日本物理学会第70回年次大会
- Place of Presentation
  早稲田大学早稲田キャンパス（東京都新宿区）
- Year and Date
  2015-03-24
- Data Source
  KAKENHI-PROJECT-26810045
[Presentation] The synthesis of rhodium substituted ε-iron oxide exhibiting super high frequency natural resonance2014
- Author(s)
  A. Namai, M. Yoshikiyo, T. Yoshida, T. Miyazaki, M. Nakajima, T. Suemoto, H. Tokoro, S. Ohkoshi
- Organizer
  57th Annual conference on magnetism and magnetic material
- Place of Presentation
  Honolulu (USA)
- Year and Date
  2014-11-06
- Data Source
  KAKENHI-PROJECT-26810045
[Presentation] The synthesis of rhodium substituted ε-iron oxide exhibiting large coercive field and super high frequency natural resonance2014
- Author(s)
  A. Namai, M. Yoshikiyo, M. Nakajima, T. Suemoto, H. Tokoro, S. Ohkoshi
- Organizer
  Phase transition and Dynamical properties of Spin Transition Materials (PDSTM 2014)
- Place of Presentation
  東京大学本郷キャンパス（東京都文京区）
- Year and Date
  2014-11-20
- Data Source
  KAKENHI-PROJECT-26810045
[Presentation] The study of magnetic properties of epsilon-iron oxide exhibiting gigantic coercive field2014
- Author(s)
  A. Namai, M. Yoshikiyo, H. Tokoro, S. Ohkoshi
- Organizer
  The 67th Fujihara seminar
- Place of Presentation
  グランドホテルニュー王子（北海道苫小牧市）
- Year and Date
  2014-09-24
- Data Source
  KAKENHI-PROJECT-26810045
[Presentation] 鉄さびの仲間で創る高性能磁石2014
- Author(s)
  生井飛鳥
- Organizer
  第25 回東京大学理学部公開講演会
- Place of Presentation
  東京大学本郷キャンパス（東京都文京区）
- Year and Date
  2014-04-27
- Invited
- Data Source
  KAKENHI-PROJECT-26810045
[Presentation] ロジウム置換型イプシロン酸化鉄における超高周波ミリ波吸収の観測2013
- Author(s)
  生井飛鳥,吉清まりえ, 桜井俊介, 後藤崇, 吉田貴行,宮崎達郎, 中嶋誠, 末元徹, 大越慎一
- Organizer
  日本物理学会第68回年次大会
- Place of Presentation
  広島大学
- Data Source
  KAKENHI-PROJECT-24850004
[Presentation] High magnetic permeability and impedance matching calculation of ε-GaxFe2−xO3 in the 60 GHz-band2013
- Author(s)
  A. Namai, S. Kurahashi, T.Goto, and S. Ohkoshi
- Organizer
  12th Joint MMM intermag conference
- Place of Presentation
  Chicago (USA)
- Data Source
  KAKENHI-PROJECT-24850004
[Presentation] The study of rhodium substituted ε-iron oxide nanomagnets exhibiting gigantic coercive field, high frequency millimeter wave absorption2013
- Author(s)
  A. Namai, M. Yoshikiyo, T.Yoshida, T. Miyazaki, M. Nakajima, T.Suemoto, H. Tokoro, S. Ohkoshi
- Organizer
  Materials Science-2013
- Place of Presentation
  Las Vegas (USA)
- Data Source
  KAKENHI-PROJECT-24850004
[Presentation] High frequency millimeter wave absorption and rotation in rhodium substituted ε-iron oxide2013
- Author(s)
  A. Namai, M. Yoshikiyo, T. Yoshida,T. Miyazaki, M. Nakajima, T. Suemoto, H.Tokoro, S. Ohkoshi
- Organizer
  58th Annual conference on magnetism and magnetic material
- Place of Presentation
  Denver(USA)
- Invited
- Data Source
  KAKENHI-PROJECT-24850004
[Presentation] 超高周波ミリ波吸収を示すロジウム置換型イプシロン酸化鉄の新規合成法2013
- Author(s)
  生井飛鳥, 吉清まりえ, 梅田小矢佳, 吉田貴行,宮崎達郎, 中嶋誠, 山口啓太, 末元徹, 大越慎一
- Organizer
  日本物理学会2013 年秋季大会
- Place of Presentation
  徳島大学
- Data Source
  KAKENHI-PROJECT-24850004
[Presentation] メスバウアー分光法を用いたアルミニウム置換型イプシロン酸化鉄の研究2012
- Author(s)
  山田佳奈, 吉清まりえ, 生井飛鳥, 大越慎一
- Organizer
  第6回分子科学討論会2012 東京
- Place of Presentation
  東京大学
- Data Source
  KAKENHI-PROJECT-24850004
[Presentation] The study of magnetic properties and high frequency zero-field ferromagnetic resonance in ε-AlxFe2–xO32012
- Author(s)
  A. Namai, M.Yoshikiyo, and S. Ohkoshi
- Organizer
  International School & Symposium on Molecular Materials & Devices (ISSMMD2012)
- Place of Presentation
  Darhum (UK)
- Data Source
  KAKENHI-PROJECT-24850004
[Presentation] High frequency zero-field ferromagnetic resonance in ε-MxFe2-xO32012
- Author(s)
  A. Namai, S.Ohkoshi
- Organizer
  International Magnetics Conference,INTERMAG 2012
- Place of Presentation
  Vancouver (Canada)
- Data Source
  KAKENHI-PROJECT-24850004
[Presentation] イプシロン型酸化鉄のサブテラヘルツ帯無磁場下強磁性共鳴とその低温挙動2012
- Author(s)
  生井飛鳥,吉清まりえ,中嶋誠,末元徹,大越慎一
- Organizer
  第6回分子科学討論会2012東京
- Place of Presentation
  東京大学
- Data Source
  KAKENHI-PROJECT-24850004
[Presentation] The study of rhodium substituted ε-iron oxide nanomagnets exhibiting gigantic coercive field, high frequency millimeter wave absorption
- Author(s)
  A. Namai, M. Yoshikiyo, T. Yoshida, T. Miyazaki, M. Nakajima, T. Suemoto, H. Tokoro, S. Ohkoshi
- Organizer
  2nd International Conference and Exhibition on Materials Science & Engineering
- Place of Presentation
  Las Vegas (USA)
- Data Source
  KAKENHI-PROJECT-24850004
[Presentation] 超高周波ミリ波吸収を示すロジウム置換型イプシロン酸化鉄の新規合成法
- Author(s)
  生井飛鳥, 吉清まりえ, 梅田小矢佳, 吉田貴行, 宮崎達郎, 中嶋誠, 山口啓太, 末元徹, 大越慎一
- Organizer
  日本物理学会2013年秋季大会
- Place of Presentation
  徳島大学
- Data Source
  KAKENHI-PROJECT-24850004
[Presentation] ロジウム置換型イプシロン酸化鉄における超高周波ミリ波吸収の観測
- Author(s)
  生井飛鳥，吉清まりえ，後藤崇，吉田貴行，宮崎達郎，中嶋誠，末元徹，所裕子，大越慎一
- Organizer
  日本物理学会第68回年次大会
- Place of Presentation
  広島大学
- Data Source
  KAKENHI-PROJECT-24850004
[Presentation] The study of magnetic properties and high frequency zero-field ferromagnetic resonance in ε-AlxFe2-xO3
- Author(s)
  A. Namai, M. Yoshikiyo, and S. Ohkoshi
- Organizer
  International School & Symposium on Molecular Materials & Devices (ISSMMD 2012)
- Place of Presentation
  Durham, UK
- Data Source
  KAKENHI-PROJECT-24850004
[Presentation] High magnetic permeability and impedance matching calculation of ε-GaxFe2-xO3 in the 60 GHz-band
- Author(s)
  A. Namai, S. Kurahashi, T. Goto, and S. Ohkoshi
- Organizer
  12th Joint MMM/Intermag Conference
- Place of Presentation
  Chicago, USA
- Data Source
  KAKENHI-PROJECT-24850004
[Presentation] The study of magnetic properties and millimeter wave absorption properties of metal substituted epsilon-iron oxide
- Author(s)
  A. Namai, M. Yoshikiyo, M. Nakajima, T. Suemoto, T. Yoshida, T. Miyazaki, S. Ohkoshi
- Organizer
  The 11th International Conference on Ferrites (ICF 11)
- Place of Presentation
  沖縄コンベンションセンター
- Data Source
  KAKENHI-PROJECT-24850004
[Presentation] イプシロン型酸化鉄のサブテラヘルツ帯無磁場下強磁性共鳴とその低温挙動
- Author(s)
  生井飛鳥，吉清まりえ，中嶋誠，末元徹，大越慎一
- Organizer
  第6回分子科学討論会
- Place of Presentation
  東京大学
- Data Source
  KAKENHI-PROJECT-24850004
[Presentation] High frequency millimeter wave absorption and rotation in rhodium substituted ε-iron oxide
- Author(s)
  A. Namai, M. Yoshikiyo, T. Yoshida, T. Miyazaki, M. Nakajima, T. Suemoto, H. Tokoro, S. Ohkoshi
- Organizer
  58th Annual conference on magnetism and magnetic material
- Place of Presentation
  Denver (USA)
- Invited
- Data Source
  KAKENHI-PROJECT-24850004

NAMAI Asuka 生井 飛鳥

Namai Asuka 生井 飛鳥

Research Projects

Research Products

ミリ波吸収材料の材料学的探究と透磁率・誘電率同時制御による高性能化Principal Investigator

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Development research on high performance magnetic ceramicsPrincipal Investigator

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Development of millimeter wave absorber based on orthorhombic iron oxidePrincipal Investigator

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The study of novel magnetic metal oxide exhibiting next-generation millimeter wave magneto-optic effectPrincipal Investigator

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[Book] 電波吸収体・電磁波シールド材の開発最前線－5Gに向けた設計と高性能化－2020

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[Book] 最新ミリ波吸収，遮蔽，透過材の設計・実用化技術2020

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[Book] 高周波対応部材の開発動向と５Ｇ、ミリ波レーダーへの応用2019

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[Book] 電磁波吸収・シールド材料の設計、評価技術と最新ノイズ対策2016

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[Book] 電波吸収体およびシールド材の開発と応用2016

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[Book] ε-iron oxide exhibiting high-frequency millimeter wave absorption(Journal of the Japan Society of Powder and Powder Metallurgy)2014

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[Book] Development of a hard magnetic ferrite exhibiting a gigantic coercivity and high frequency millimeter wave rotation(Activity Report 2012, The Institute for Solid State Physics)2013

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[Book] Unusual temperature dependence of zero-field ferromagnetic resonance in millimeter wave region on Al-substituted ε-Fe2O3(Ferromagnetic Resonance: Theory and Applications, Ch. 8)2012

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[Book] 巨大保磁力および超高周波電磁波吸収を示すイプシロン型酸化鉄(大越慎一セラミックス誌)

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[Journal Article] Resonance Frequency Tuning of a 200 GHz Band Absorber by an External Magnetic Field2022

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[Journal Article] Highly Efficient Broadband Millimeter‐Wave?Absorbing Ultrathin Films2021

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[Journal Article] Broadband-Millimeter-Wave Absorber Based on ε-(TiIVCoII)xFeIII2－2xO3 for Advanced Driver Assistance Systems2020

NAMAI Asuka 生井飛鳥

Namai Asuka 生井飛鳥