中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
CU K-EDGE POLARIZED X-RAY-ABSORPTION NEAR-EDGE STRUCTURE OF BI2CASR2CU2O8

文献类型:期刊论文

作者BIANCONI, A ; LI, CX ; CAMPANELLA, F ; DELLALONGA, S ; PETTITI, I ; POMPA, M ; TURTU, S ; UDRON, D
刊名PHYSICAL REVIEW B
出版日期1991
卷号44期号:9页码:4560
关键词FERMI-LIQUID STATES TO 37-A PHASES ELECTRONIC-STRUCTURE SUPERCONDUCTING CHARACTER MODULATED STRUCTURE HOLE CONCENTRATION BAND-STRUCTURE ESR ANALYSIS O SYSTEMS TC
ISSN号0163-1829
通讯作者BIANCONI, A: UNIV ROME LA SAPIENZA,DIPARTMENTO FIS,I-00185 ROME,ITALY.
中文摘要The linearly polarized Cu K-edge x-ray-absorption near-edge structure (XANES) of Bi2Sr2CaCu2O8+delta (Bi 2:2:1:2) has been measured, and the spectra are interpreted by the multiple-scattering approach in real space. The polarized spectra can be predicted in terms of a one-electron dipole (DELTA-l = +1) transition Cu 1s --> epsilon-p, probing the unoccupied p-like (l = 1) density of states projected on the Cu site with orbital angular momentum m(l) = 0 in the E parallel-to z spectra, and the m(l) = 1 in the E perpendicular-to c spectra. Therefore we show that the electronic structure of the high-energy conduction bands, beyond the Cu 3d band, are well described in terms of the one-electron approximation. Final-state effects induced by the core hole have been studied and calculated. A satellite 7 eV above the main K-XANES peak in both polarizations is shown to be a multielectron shake-up excitation, and it is enhanced going into the insulating phase. Structural information on the copper site in Bi2Sr2CaCu2O8+delta, and in Bi2Sr2YCu2O8+delta has been extracted from XANES spectra, providing evidence for the decrease of the Cu-O distance in the metallic phase.
收录类别SCI
语种英语
公开日期2013-09-17
源URL[http://ir.iphy.ac.cn/handle/311004/35536]  
专题物理研究所_物理所公开发表论文_物理所公开发表论文_期刊论文
推荐引用方式
GB/T 7714
BIANCONI, A,LI, CX,CAMPANELLA, F,et al. CU K-EDGE POLARIZED X-RAY-ABSORPTION NEAR-EDGE STRUCTURE OF BI2CASR2CU2O8[J]. PHYSICAL REVIEW B,1991,44(9):4560.
APA BIANCONI, A.,LI, CX.,CAMPANELLA, F.,DELLALONGA, S.,PETTITI, I.,...&UDRON, D.(1991).CU K-EDGE POLARIZED X-RAY-ABSORPTION NEAR-EDGE STRUCTURE OF BI2CASR2CU2O8.PHYSICAL REVIEW B,44(9),4560.
MLA BIANCONI, A,et al."CU K-EDGE POLARIZED X-RAY-ABSORPTION NEAR-EDGE STRUCTURE OF BI2CASR2CU2O8".PHYSICAL REVIEW B 44.9(1991):4560.

入库方式: OAI收割

来源:物理研究所

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