Bulk electronic structures of n-type superconductor Nd1.85Ce0.15CuO4 probed by high energy angle-resolved photoemission spectroscopy

被引：5
|
作者：
Tsunekawa, A [1 ]
Sekiyama, A
Kasai, S
Yamasaki, A
Fujiwara, H
Sing, M
Shigemoto, A
Imada, S
Onose, Y
Tokura, Y
Muro, T
Suga, S
机构：
[1] Osaka Univ, Grad Sch Engn Sci, Toyonaka, Osaka 5608531, Japan
[2] Univ Augsburg, Expt Phys Ryan, D-86135 Augsburg, Germany
[3] ERATO, SSS, Tsukuba, Ibaraki 3058562, Japan
[4] Univ Tokyo, Dept Appl Phys, Bunkyo Ku, Tokyo 1138656, Japan
[5] Japan Synchrotron Radiat Inst, Mikazuki, Hyogo 6795198, Japan
来源：
JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA | 2005年 / 144卷
关键词：
high T-c cuprate; NCCO; soft X-ray photoemission; bulk states and synchrotron radiation;
D O I：
10.1016/j.elspec.2005.01.135
中图分类号：
O433 [光谱学];
学科分类号：
0703 ; 070302 ;
摘要：
We report on a high-energy angle-resolved photoemission (ARPES) study of the n-type high-T-C cuprate, Nd1.85Ce0.15CUO4 (NCCO). Our bulk sensitive results suggest a hole-like Fermi surface as seen by the so far reported low-energy ARPES studies. The soft X-ray Cu 2p core-level photoemission spectra show clear polar-angle dependence, suggesting the difference in electron states between the bulk and surface. (c) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码：541 / 543
页数：3
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