Synchrotron-radiation photoemission and OKα emission study on (LnO)CuS (Ln = Ce, Pr, Nd)

被引:4
作者
Sato, H
Nishimoto, S
Tsuji, K
Takase, K
Nakao, H
Takahashi, Y
Takano, T
Sekizawa, K
Negishi, H
Negishi, S
Nakatake, M
Namatame, H
Taniguchi, M
机构
[1] Hiroshima Univ, Hiroshima Synchrotron Radiat Ctr, Higashihiroshima 7398526, Japan
[2] Hiroshima Univ, Grad Sch Sci, Higashihiroshima 7398526, Japan
[3] Nihon Univ, Coll Sci & Technol, Chiyoda Ku, Tokyo 1018308, Japan
[4] Hiroshima Univ, ADSM, Higashihiroshima 7398530, Japan
关键词
semiconductors; electronic states; photoelectron spectroscopies; synchrotron radiation;
D O I
10.1016/j.jallcom.2005.01.090
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Ln 4f partial densities of states (Doss) in layered oxysulfide semiconductors (LnO)CuS (Ln = Ce, Pr, Nd) have been deduced by means of the Ln 4d-4f resonant photoemission spectroscopy. The Ce 4f DOS contributes just below the valence-band maximum (VBM) of (CeO)CuS, and on going from Ln = Ce to Pr, and to Nd, the 4f DOS shifts toward the deeper binding-energy side, leading no 4f contribution near VBM for Ln = Pr and Nd. The O 2p partial Doss derived from O K alpha emission spectra are almost unchanged with the Ln elements. (c) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码:746 / 749
页数:4
相关论文
共 14 条
[1]   4F-DERIVED PHOTOEMISSION AND 4F-LIGAND HYBRIDIZATION IN LIGHT RARE-EARTH-HALIDES [J].
FUJIMORI, A ;
MIYAHARA, T ;
KOIDE, T ;
SHIDARA, T ;
KATO, H ;
FUKUTANI, H ;
SATO, S .
PHYSICAL REVIEW B, 1988, 38 (11) :7789-7795
[2]   Varied line-spacing plane grating monochromator for undulator beamline [J].
Fujisawa, M ;
Harasawa, A ;
Agui, A ;
Watanabe, M ;
Kakizaki, A ;
Shin, S ;
Ishii, T ;
Kita, T ;
Harada, T ;
Saitoh, Y ;
Suga, S .
REVIEW OF SCIENTIFIC INSTRUMENTS, 1996, 67 (02) :345-349
[3]   Spectrometer for polarized soft X-ray Raman scattering [J].
Harada, Y ;
Ishii, H ;
Fujisawa, M ;
Tezuka, Y ;
Shin, S ;
Watanabe, M ;
Kitajima, Y ;
Yagishita, A .
JOURNAL OF SYNCHROTRON RADIATION, 1998, 5 :1013-1015
[4]   Electronic structure of the transparent p-type semiconductor (LaO)CuS -: art. no. 245211 [J].
Inoue, S ;
Ueda, K ;
Hosono, H ;
Hamada, N .
PHYSICAL REVIEW B, 2001, 64 (24) :2452111-2452115
[5]   HYBRIDIZATION AND CORRELATION-EFFECTS IN THE PHOTOEMISSION SPECTRA OF RNI2 (R=CE, PR, AND ND) [J].
KANG, JS ;
HONG, JH ;
HWANG, DW ;
JEONG, JI ;
CHOI, SD ;
YANG, CJ ;
LEE, YP ;
OLSON, CG ;
KANG, K ;
MIN, BI .
PHYSICAL REVIEW B, 1994, 49 (23) :16248-16255
[6]   RESONANT PHOTOEMISSION-STUDY OF CEO2 [J].
MATSUMOTO, M ;
SODA, K ;
ICHIKAWA, K ;
TANAKA, S ;
TAGUCHI, Y ;
JOUDA, K ;
AITA, O ;
TEZUKA, Y ;
SHIN, S .
PHYSICAL REVIEW B, 1994, 50 (16) :11340-11346
[7]   Electronic structure of oxysulfide (LaO)CuS and (La1-xCaxO)Cu1-xNixS (x≤0.10) studied by photoemission and inverse-photoemission spectroscopies -: art. no. 035112 [J].
Sato, H ;
Negishi, H ;
Wada, A ;
Ino, A ;
Negishi, S ;
Hirai, C ;
Namatame, H ;
Taniguchi, M ;
Takase, K ;
Takahashi, Y ;
Shimizu, T ;
Takano, Y ;
Sekizawa, K .
PHYSICAL REVIEW B, 2003, 68 (03)
[8]   Magnetic and transport properties of layered oxysulfides (La1-xCaxO)Cu1-yNiyS (y=O and y=x) [J].
Sekizawa, K ;
Takano, Y ;
Mori, K ;
Yahagi, K .
CZECHOSLOVAK JOURNAL OF PHYSICS, 1996, 46 :1943-1944
[9]   The new conductive oxysulfides [(La1-xSrx)O]CuS containing a Cu-layer [J].
Takano, Yoshiki ;
Yahagi, Ken-ichi ;
Sekizawa, Kazuko .
PHYSICA B-CONDENSED MATTER, 1995, 206 (1-4) :764-766
[10]   The Hiroshima Synchrotron Radiation Center (HSRC) [J].
Taniguchi, M ;
Ghijsen, J .
JOURNAL OF SYNCHROTRON RADIATION, 1998, 5 :1176-1179