基于BaBiO3的高温超导体族中载流子局部配对的性质（综述）

IF 1.4 4区物理与天体物理 Q3 PHYSICS, MULTIDISCIPLINARY

JETP Letters Pub Date : 2025-05-12 DOI:10.1134/S0021364025605524

A. P. Menushenkov

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引用次数: 0

摘要

基于同步加速器和x射线自由电子激光辐射的x射线吸收光谱数据，建立了一类铋酸盐高温超导氧化物的实空间载流子局部配对模型。解释了铋酸钡BaBiO3的两个带隙性质和绝缘体状态、铅酸钡BaPbO3的金属态，以及掺铅和掺钾BaBiO3的相图和超导现象。讨论了同时实现声子和电子配对机制的可能性。

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Nature of the Local Pairing of Charge Carriers in the Family of High-Temperature Superconductors Based on BaBiO3 (Brief Review)

A model of the local pairing of charge carriers in real space in a family of bismuthate high-temperature superconducting oxides based on X-ray absorption spectroscopy data using synchrotron and X-ray free-electron laser radiation is presented. The nature of the two band gaps and the insulator state of barium bismuthate BaBiO₃, the metallic state of the barium plumbate BaPbO₃, as well as the phase diagram and the appearance of superconductivity in lead- and potassium-doped BaBiO₃, has been explained. The possibility of implementing both phonon and electron pairing mechanisms is discussed.

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来源期刊

JETP Letters 物理-物理：综合

CiteScore

2.40

自引率

30.80%

发文量

164

审稿时长

3-6 weeks

期刊介绍： All topics of experimental and theoretical physics including gravitation, field theory, elementary particles and nuclei, plasma, nonlinear phenomena, condensed matter, superconductivity, superfluidity, lasers, and surfaces.