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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

Electronic structure of potassium-doped La@C_82 metallofullerene studied with photoelectron spectroscopy

http://hdl.handle.net/2237/11304
655b1983-5cf0-4c12-8b90-3cfc9c5c9239
名前 / ファイル ライセンス アクション
PhysRevB_76_165429.pdf PhysRevB_76_165429.pdf (359.3 kB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2009-03-12
タイトル
タイトル Electronic structure of potassium-doped La@C_82 metallofullerene studied with photoelectron spectroscopy
著者 Ton-That, C.

× Ton-That, C.

WEKO 27296

Ton-That, C.

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Dowd, A.

× Dowd, A.

WEKO 27297

Dowd, A.

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Shard, A. G.

× Shard, A. G.

WEKO 27298

Shard, A. G.

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Dhanak, V. R.

× Dhanak, V. R.

WEKO 27299

Dhanak, V. R.

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Taninaka, A.

× Taninaka, A.

WEKO 27300

Taninaka, A.

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Shinohara, H.

× Shinohara, H.

WEKO 27301

Shinohara, H.

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Welland, M. E.

× Welland, M. E.

WEKO 27302

Welland, M. E.

Search repository
抄録
内容記述 The electronic structure of potassium-doped La@C_82 has been studied with synchrotron-radiation photoelectron spectroscopy. Ultraviolet photoemission measurements indicate evolution of the valence-band states of La@C_82 with increasing potassium content, but K_xLa@C_82 remains semiconducting for all x between 0 and 6, with a band gap of at least 0.4 eV, in contrast to K-doped C_60. The valence-band features, including those which arise from the interactions of C_82 cages with La and K, show oscillatory behavior of photoemission intensity with incident photon energy. The strength of the oscillations varies between the states, and we associate diminished oscillations with increased localization of electron density. Finally, although core and valence states of La@C_82 change considerably with potassium dosage, the encapsulated La atom is well shielded from the outside chemical environment and its valency remains close to 3+.
内容記述タイプ Abstract
出版者
出版者 American Physical Society
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
DOI
関連識別子
識別子タイプ DOI
関連識別子 http://dx.doi.org/10.1103/PhysRevB.76.165429
ISSN
収録物識別子タイプ ISSN
収録物識別子 1098-0121
書誌情報 PHYSICAL REVIEW B

巻 76, 号 16, p. 165429-165429, 発行日 2007-10
フォーマット
application/pdf
著者版フラグ
値 publisher
URI
識別子 http://hdl.handle.net/2237/11304
識別子タイプ HDL
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