Synchrotron radiation photoemission study of yb-intercalated C-60
He, SL; Li, HN; Wang, XX; Li, HY; Xu, YB; Bao, SN; Ibrahim, K; Qian, HJ; Su, R; Zhong, J; Hong, CH; Abbas, MI; Kui RX(奎热西); Qian HJ(钱海杰); Su R(苏润); Zhong J(钟俊); Hong CH(洪才浩)
刊名PHYSICAL REVIEW B
2005
卷号71期号:8页码:85404
学科分类Physics
DOI10.1103/PhysRevB.71.085404
通讯作者Zhejiang Univ, Dept Phys, Hangzhou 310027, Peoples R China ; Chinese Acad Sci, Inst High Energy Phys, Lab Synchrotron Radiat, Beijing 100039, Peoples R China
文章类型Article
英文摘要The valence band evolution Of C-60 film upon Yb intercalation is investigated by the synchrotron radiation photoemission spectroscopy (SR-PES) technique. The results show that only Yb2.75C60 forms at lower intercalation stages and imply that other phases of YbxC60 (x > 2.75) form with more Yb atoms intercalated into the Yb2.75C60 sample. No Fermi edge is observed for all the spectral lines in this work, which reveals that the superconducting Yb fulleride, whether it is Yb2.75C60 or other phase, has semiconducting property at room temperature. To extract the intrinsic density of state of the valence band from the Yb 4f-superposed experimental data, the SR-PE spectra were measured for the well-defined phase of Yb2,75C60 with varying photon energies (18.0-45.0 eV). The results show that the spectral data can drastically depart from the density of states of the valence band due to the photoemission of Yb 4f core levels. However, the valence band can, still be quantitatively extracted from the experimental data by the least-square simulation.
类目[WOS]Physics, Condensed Matter
研究领域[WOS]Physics
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语种英语
WOS记录号WOS:000228065300066
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被引频次:13[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/240832
专题中国科学院高能物理研究所_多学科研究中心_期刊论文
中国科学院高能物理研究所_加速器中心
中国科学院高能物理研究所_粒子天体物理中心
中国科学院高能物理研究所_多学科研究中心
作者单位中国科学院高能物理研究所
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He, SL,Li, HN,Wang, XX,et al. Synchrotron radiation photoemission study of yb-intercalated C-60[J]. PHYSICAL REVIEW B,2005,71(8):85404.
APA He, SL.,Li, HN.,Wang, XX.,Li, HY.,Xu, YB.,...&洪才浩.(2005).Synchrotron radiation photoemission study of yb-intercalated C-60.PHYSICAL REVIEW B,71(8),85404.
MLA He, SL,et al."Synchrotron radiation photoemission study of yb-intercalated C-60".PHYSICAL REVIEW B 71.8(2005):85404.
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