Atomic displacements effects on the electronic properties of Bi2Sr2Ca2Cu3O10

被引：0

作者：

Camargo-Martinez, J. A. ^{[1
]}

Espitia, D. ^{[2
]}

Baquero, R. ^{[2
]}

机构：

[1] Fdn Univ Int Trop Amer Unitrop, Grp Invest Ciencias Basicas Aplicac & Innovac CIB, Yopal, Colombia

[2] CINVESTAV IPN, Dept Fis, Mexico City 07360, DF, Mexico

来源：

REVISTA MEXICANA DE FISICA | 2015年 / 61卷 / 02期

关键词：

Bi-2223; electronic structure; band structure; Fermi surface; CUPRATE SUPERCONDUCTORS; FERMI-SURFACE; BIO PLANE; BI2SR2CACU2O8; BISMUTH; TAPES;

D O I：

暂无

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The displacements effects of the oxygen atom associated to the Sr-plane (O3) in the electronic properties of Bi2Sr2Ca2Cu3O10 (Bi-2223), have been investigated using density functional theory. We determined intervals of the 03 atomic positions for which the band structure calculations show that the Bi-O bands, around the high symmetry point (M) over bar in the irreducible Brillouin zone, emerge towards higher energies avoiding its contribution at Fermi level, as experimentally has been reported. This procedure does not introduce foreign doping elements into the calculation. Our calculations present a good agreement with the angle-resolved photoemission spectroscopy (ARPES) and nuclear magnetic resonance (NMR) experiments. The two options found differ in character (metallic or nonmetallic) of the Bi-O plane. There are not any experiments, to the best of our knowledge, which determine this character for Bi-2223.

引用

页码：88 / 95

页数：8

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