Bulk electronic properties of V2O3 probed by hard X-ray photoelectron spectrosscopy

被引：11
|
作者：
Panaccione, G.
Sacchi, M.
Torelli, P.
Offi, F.
Cautero, G.
Sergo, R.
Fondacaro, A.
Henriquet, C.
Huotari, S.
Monaco, G.
Paolasini, L.
机构：
[1] INFM, CNR, TASC Lab, I-34012 Trieste, Italy
[2] Univ Paris 06, Lab Chim Phys Mat & Rayonnement, UMR 7614, F-75005 Paris, France
[3] INFM, CNR, Natl Res Ctr, I-41100 Modena, Italy
[4] CNISM, I-00146 Rome, Italy
[5] Univ Roma 3, Dipartimento Fis, I-00146 Rome, Italy
[6] Sincrotrone Trieste, I-34012 Trieste, Italy
[7] European Synchrotron Radiat Facil, F-38042 Grenoble 9, France
来源：
JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA | 2007年 / 156卷 / 64-67期
关键词：
photoemission spectroscopy; electronic properties; strongly correlated systems;
D O I：
10.1016/j.elspec.2006.11.050
中图分类号：
O433 [光谱学];
学科分类号：
0703 ; 070302 ;
摘要：
We have measured bulk sensitive photoemission spectra of pure vanadium sesquioxide (V2O3) in its metallic phase as a function of different surface preparations. We observe the presence of a clear coherent peak in the vicinity of the Fermi level and of satellites intensities at the V 2p core level. After scraping, the coherent intensities are almost completely suppressed in both core level and valence band. Our results suggest a remarkable change of the screening properties in strongly correlated systems when going from the surface to the volume. (C) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：64 / 67
页数：4
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