量子エレクトロニクス研究室(畑・永井グループ)

High-brightness electron, ion and photon beam for material analysis

2019年度


[受賞]
  1. 日本学術振興会マイクロビームアナリシス第141委員会榊奨励賞:永井滋一「電界放出型スピン偏極電子源の表面構造制御と特性評価に関する基礎的研究」(2019.08.30).
  2. Excellent Presentation Awards, ALC'19 Kazuya Kunoh, Shigekazu Nagai, Takahiro Kishi, Haku Uchikoshi, Tatsuo Iwata, Koichi Hata and Yahachi Saito, "Evidence of spin-polarized electronic state at edges of graphene oxide studied by field emission spin polarimetry" (2019.10.23).

[学術論文]
  1. T. Ishikawa, S. Nagai, K. Oh-ishi, H. Ikemizu, and K. Hata, “Fabrication and characterization of spin-polarized Co 2MnGa field emission electron source,” Appl. Phys. Express, vol. 12, no. 7, pp. 75004–75006, Jun. 2019.
  2. S. Nagai, H. Ikemizu, K. Hata, and T. Ishikawa, “Highly spin-polarized field emission from 100-oriented Co 2 MnGa tips,” J. Appl. Phys., vol. 126, no. 13, p. 135302, Oct. 2019.
  3. 永井滋一, “電界放出型スピン偏極電子源の表面構造制御と特性評価”, 表面と真空 Vol. 63, pp19-24 (2020).

[国際会議]
  1. Yahachi Saito, Yuhdai Watanabe, Tohru Hoshino, Hitoshi Nakahara, Shigekazu Nagai, Hiromu Ikemizu, Kazuya Kunoh, Koichi Hata, "Edge States of Graphene Revealed by Field Emission Microscopy", Recent Progress in Graphene & 2D Materials Research 9p-38 (2019.10)
  2. Taira Esaki, Shigekazu Nagai, Tatsuo Iwata and Koichi Hata, "Fabrication of nano-protrusion on Ir tips by field-induced water etching for Xe gas field ion source" The 12the International Conference on Atomic Level Characterization '19 , 21p-AP-41, (2019.10).
  3. Kazuya Kunoh, Shigekazu Nagai, Takahiro Kishi, Haku Uchikoshi, Tatsuo Iwata, Koichi Hata and Yahachi Saito, "Evidence of spin-polarized electronic state at edges of graphene oxide studied by field emission spin polarimetry", The 12the International Conference on Atomic Level Characterization '19 , 22p-AP-40, (2019.10).
  4. Shigekazu Nagai, Kento Miyazaki, Katsunari Suzuki, Eiji Oyaizu, Tatsuo Iwata and Koichi Hata, "Energy distribution and spin polarization of field-emitted electrons from Cr on W(311) surface", The 12the International Conference on Atomic Level Characterization '19 , 22p-AP-45, (2019.10). 
  5. [Invited talk] Shigekazu Nagai, Hiromu Ikemizu and Koichi Hata, "Spin polarization of field-emitted electrons from Heusler alloy Co2MnGa(100) surface", The 12the International Conference on Atomic Level Characterization '19 , 23a-4-3, (2019.10).

[国内会議]
  1. [招待講演] 永井滋一,畑浩一,"電界放出型スピン偏極電子源の開発",日本学術振興会荷電粒子ビームの工業への応用第132委員会 236回研究会(2019.06).
  2. [招待講演] 永井滋一, "電界放出型スピン偏極電子源の表構造制御と特性評価に関する基礎的研究"(榊奨励賞受賞記念講演),日本学術振興会マイクロビームアナリシス第141委員会177回研究会(2019.08).
  3. 永井滋一,池水大夢,畑浩一,"Co2MnGa<100>エミッタからの電界放出電子のスピン偏極度", 2019年第80回応用物理学会秋季学術講演会(2019.09).
  4. Tomoya Shiraki, A-.M. Pradipto, Akiyama Toru, Ito Tomonori, Nagai Sigekazu, koshikawa Takanori, Nakamura Kohji, "First principles calculations of magneto-optical conductivity in heavy metals" 2019年第80回応用物理学会秋季学術講演会(2019.09).
  5. 永井滋一,池水大夢,畑浩一,"ホイスラー合金Co2MnGaエミッタ表面の電界イオン顕微鏡観察" 2019年日本表面真空学会学術講演会 1P54 (2019.11).
  6. 小柳津瑛司,江崎泰良,永井滋一,岩田達夫,畑浩一,"電界誘起化学エッチングの反応ガスに対する進行速度の比較", 2019年日本表面真空学会学術講演会 2P03 (2019.11).