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

页码：64 / 67

页数：4

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