Polarization-dependent X-ray photoemission spectroscopy for High-Tc cuprate superconductors

被引：2

作者：

Yamagami, Kohei ^{[1
,2
]}

Kanai, Yuina ^{[1
,2
]}

Naimen, Sho ^{[1
]}

Fujiwara, Hidenori ^{[1
,2
]}

Kiss, Takayuki ^{[1
,2
]}

Tanaka, Arata ^{[3
]}

Higashiya, Atsushi ^{[2
,4
]}

Imada, Shin ^{[2
,5
]}

Kadono, Toshiharu ^{[2
,5
]}

Tamasaku, Kenji ^{[2
]}

Muro, Takayuki ^{[6
]}

Yabashi, Makina ^{[2
]}

Ishikawa, Tetsuya ^{[2
]}

Eisaki, Hiroshi ^{[7
]}

Miyasaka, Shigeki ^{[8
]}

Tajima, Setsuko ^{[8
]}

Sekiyama, Akira ^{[1
,2
]}

机构：

[1] Osaka Univ, Grad Sch Engn Sci, Div Mat Phys, Toyonaka, Osaka 5608531, Japan

[2] RIKEN SPring 8 Ctr, Sayo, Hyogo 6795148, Japan

[3] Hiroshima Univ, Dept Quantum Matter, ADSM, Higashihiroshima, Hiroshima 7398530, Japan

[4] Setsunan Univ, Fac Sci & Engn, Neyagawa, Osaka 5728508, Japan

[5] Ritsumeikan Univ, Dept Phys Sci, Kusatsu, Shiga 5258577, Japan

[6] Japan Synchrotron Radiat Res Inst, Sayo, Hyogo 6795198, Japan

[7] Natl Inst Adv Ind Sci & Technol, Tsukuba, Ibaraki 3058568, Japan

[8] Osaka Univ, Grad Sch Sci, Toyonaka, Osaka 5608531, Japan

来源：

PHYSICA B-CONDENSED MATTER | 2018年 / 536卷

关键词：

High-T-c cuprate superconductor; Linear polarization-dependent; h nu-dependence; Cu 3d orbital symmetry; PHOTOELECTRON ANGULAR-DISTRIBUTION; RANGE; 100-5000; EV; DISTRIBUTION PARAMETERS; ELECTRONIC-STRUCTURE; PERFORMANCE; UNDULATOR; SPRING-8; SOLIDS;

D O I：

10.1016/j.physb.2017.09.024

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

We have performed photon energy (h nu) and linear polarization dependent X-ray photoemission for optimal doped Pb-Bi2Sr2CaCu2O8+delta (Bi2212) to investigate the ground Cu 3d orbital symmetry. We identified that the bulk Cu 3d components in valence-band spectra develop with decreasing h nu from 7900 eV to 460 eV. Moreover, the photoelectron intensity ratio of the valence-band spectra measured at h nu = 460 eV has shown that the Cu 3d(x2-y2) orbital contributions are dominant near the Fermi level (E-F). Meanwhile, we revealed that the bulk Cu 2p(3/2) core-level spectra without the Bi 4s component is detected at h nu = 1550 eV compared with h. and linear-polarization-dependent spectra.

引用

页码：843 / 846

页数：4

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