在原子尺度上探测镍酸盐超导体：STEM 综述

IF 1.5 4区物理与天体物理 Q2 PHYSICS, MULTIDISCIPLINARY Chinese Physics B Pub Date : 2024-09-01 DOI:10.1088/1674-1056/ad6a0d

Yihan Lei, Yanghe Wang, Jiahao Song, Jinxin Ge, Dirui Wu, Yingli Zhang, Changjian Li

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引用次数: 0

摘要

镍酸盐超导体的发现，包括掺杂无限层（IL）镍酸盐 RNiO2（R = La、Pr、Nd）、层状方形平面镍酸盐 Nd6Ni5O12 和 RP 相 La3Ni2O7，激发了人们对基础研究和潜在应用的极大兴趣。事实证明，扫描透射电子显微镜（STEM）对于理解这些不同镍酸盐超导体系的结构-性能相关性至关重要。在这篇综述中，我们总结了各种 STEM 模式的主要发现，阐明了不同镍酸盐超导体的机理。我们还讨论了新兴 STEM 技术的未来前景，以揭示超导 "镍时代 "的配对机制。

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Probing nickelate superconductors at atomic scale: A STEM review

The discovery of nickelate superconductors, including doped infinite-layer (IL) nickelates RNiO₂ (R = La, Pr, Nd), layered square-planar nickelate Nd₆Ni₅O₁₂, and the Ruddlesden–Popper (RP) phase La₃Ni₂O₇, has spurred immense interest in fundamental research and potential applications. Scanning transmission electron microscopy (STEM) has proven crucial for understanding structure–property correlations in these diverse nickelate superconducting systems. In this review, we summarize the key findings from various modes of STEM, elucidating the mechanism of different nickelate superconductors. We also discuss future perspectives on emerging STEM techniques for unraveling the pairing mechanism in the “nickel age” of superconductivity.

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来源期刊

Chinese Physics B 物理-物理：综合

CiteScore

2.80

自引率

23.50%

发文量

15667

审稿时长

2.4 months

期刊介绍： Chinese Physics B is an international journal covering the latest developments and achievements in all branches of physics worldwide (with the exception of nuclear physics and physics of elementary particles and fields, which is covered by Chinese Physics C). It publishes original research papers and rapid communications reflecting creative and innovative achievements across the field of physics, as well as review articles covering important accomplishments in the frontiers of physics. Subject coverage includes: Condensed matter physics and the physics of materials Atomic, molecular and optical physics Statistical, nonlinear and soft matter physics Plasma physics Interdisciplinary physics.