Character of valence-band states in the Kondo surface alloys CeAgx/Ag(111) and CePt5/Pt(111)
Physical Review B 85 巻 12 号
125130- 頁
2012 発行
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| ファイル情報(添付) | |
| タイトル ( eng ) |
Character of valence-band states in the Kondo surface alloys CeAgx/Ag(111) and CePt5/Pt(111)
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| 作成者 |
Schwab H.
Mulazzi M.
Jiang Jian
Hayashi Hirokazu
Habuchi Takafumi
Hirayama Daisuke
Reinert F.
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| 収録物名 |
Physical Review B
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| 巻 | 85 |
| 号 | 12 |
| 開始ページ | 125130 |
| 抄録 |
The crystal and electronic structures of the CePt5 and CeAgx surface alloys have been investigated by means of low-energy electron diffraction and angle-resolved photoelectron spectroscopy. From measurements performed near the 4d-4f absorption edge we were able to infer the weight of the 4f-electron spectral function with respect to the single-particle density of states. While the typical Kondo features at the Fermi energy (Kondo resonance and spin-orbit partner) in the CePt5 surface alloy were observed, only the f0 ionization structure and the spin-orbit partner were present in the CeAgx case. From our experiments, and by comparison to model calculations, we were able to estimate the Kondo temperature in the two systems and investigate parameters contributing to the hybridization strength.
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| NDC分類 |
物理学 [ 420 ]
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| 言語 |
英語
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| 資源タイプ | 学術雑誌論文 |
| 出版者 |
American Physical Society
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| 発行日 | 2012 |
| 権利情報 |
(c) 2012 American Physical Society
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| 出版タイプ | Version of Record（出版社版。早期公開を含む） |
| アクセス権 | オープンアクセス |
| 収録物識別子 |
[ISSN] 1098-0121
[DOI] 10.1103/PhysRevB.85.125130
[NCID] AA11187113
[DOI] http://dx.doi.org/10.1103/PhysRevB.85.125130
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