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  1. B100 理学部/理学研究科
  2. B100a 雑誌掲載論文
  3. 学術雑誌

Spin-Polarized Electrons Extracted from GaAs Tips using Field Emission

http://hdl.handle.net/2237/11993
http://hdl.handle.net/2237/11993
64271c88-85e8-4cf8-b190-2e2ca2052d28
名前 / ファイル ライセンス アクション
25483997.pdf 25483997.pdf (738.0 kB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2009-07-31
タイトル
タイトル Spin-Polarized Electrons Extracted from GaAs Tips using Field Emission
言語 en
著者 Kuwahara, M.

× Kuwahara, M.

WEKO 30744

en Kuwahara, M.

Search repository
Morino, T.

× Morino, T.

WEKO 30745

en Morino, T.

Search repository
Nakanishi, T.

× Nakanishi, T.

WEKO 30746

en Nakanishi, T.

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Okumi, S.

× Okumi, S.

WEKO 30747

en Okumi, S.

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Yamamoto, M.

× Yamamoto, M.

WEKO 30748

en Yamamoto, M.

Search repository
Miyamoto, M.

× Miyamoto, M.

WEKO 30749

en Miyamoto, M.

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Yamamoto, N.

× Yamamoto, N.

WEKO 30750

en Yamamoto, N.

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Sakai, R.

× Sakai, R.

WEKO 30751

en Sakai, R.

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Tamagaki, K.

× Tamagaki, K.

WEKO 30752

en Tamagaki, K.

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Mano, A.

× Mano, A.

WEKO 30753

en Mano, A.

Search repository
Utsu, A.

× Utsu, A.

WEKO 30754

en Utsu, A.

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Yamaguchi, K.

× Yamaguchi, K.

WEKO 30755

en Yamaguchi, K.

Search repository
アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
権利
言語 en
権利情報 Copyright (2007) American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics.
キーワード
主題Scheme Other
主題 spin-polarization
キーワード
主題Scheme Other
主題 field emission
キーワード
主題Scheme Other
主題 NEA surface
キーワード
主題Scheme Other
主題 photocathode
キーワード
主題Scheme Other
主題 depolarization
抄録
内容記述 A pyramidal shaped GaAs (tip-GaAs) photocathode for a polarized electron source (PES) was developed to improve beam brightness and negative electron affinity (NEA) lifetime by using field emission. The emission mechanism also enables the photocathode to extract electrons from the positive electron affinity (PEA) surface, and relax the NEA lifetime problem. I-V characteristics of electrons extracted from tip-GaAs shows that the electron beam was extracted by field emission mechanism, because a linear dependence was obtained in Fowler-Nordheim (F-N) plot. Furthermore, a tip-GaAs cathode has succeeded in generation of spin polarized electron beam. The polarization degree of tip-GaAs is about 34% at excitation photon energy of 1.63eV which is no less than that obtained by an NEA-GaAs cathode.
言語 en
内容記述タイプ Abstract
出版者
言語 en
出版者 American Institite of Physics
言語
言語 eng
資源タイプ
資源タイプresource http://purl.org/coar/resource_type/c_6501
タイプ journal article
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
DOI
関連タイプ isVersionOf
識別子タイプ DOI
関連識別子 https://doi.org/10.1063/1.2750952
ISSN
収録物識別子タイプ PISSN
収録物識別子 0094-243X
書誌情報 en : AIP Conference Proceedings

巻 915, 号 1, p. 1055-1060, 発行日 2007
フォーマット
application/pdf
著者版フラグ
値 publisher
URI
識別子 http://dx.doi.org/10.1063/1.2750952
識別子タイプ DOI
URI
識別子 http://hdl.handle.net/2237/11993
識別子タイプ HDL
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