稀土镍酸盐:金属绝缘相变与超导性质

doi:10.12066/j.issn.1007-2861.2577

摘要/Abstract

摘要： 全面介绍了稀土镍酸盐的基本结构和性质,深入总结了其金属绝缘相变(metal-insulator transition,MIT)特性,归纳了外延应变、薄膜厚度和化学掺杂对MIT过程的调控,并对镍酸盐氢致相变研究进行了探讨,为理解和调控MIT提供了系统性的参考.综述了镍酸盐的超导性,包括对这一体系中超导性的挖掘和探索,以及最新发现的La₃Ni₂O₇超导体的研究进展.通过对镍基超导的研究总结,不仅有助于加速新型超导材料的探索,还为揭示高温超导机理提供了重要的研究价值.

关键词: 稀土镍酸盐, 金属绝缘相变, 氢化稀土镍酸盐, 镍基超导

Abstract: A comprehensive introduction was provided to the basic structure and properties of rare earth nickelates, offering an in-depth summary of their metal-insulator transition (MIT) characteristics as well as the regulation of the MIT process by epitaxial strain, film thickness, and chemical doping. In addition, research on hydrogen-induced phase transition in nickelates was discussed, and a systematic reference was provided to understand and regulate the MIT. Furthermore, the superconductivity of nickelates was reviewed, and it included the exploration of superconductivity in this system and the research progress on La₃Ni₂O₇ superconductors. The summarized research on nickel-based superconductors not only contributed to the acceleration of the exploration of novel superconducting materials but also held significant research value in its uncovering of the mechanisms of high-temperature superconductivity.

Key words: rare earth nickelate, metal-insulation transition (MIT), hydrogenated rare earth nickelate, nickel-based superconductivity

中图分类号:

O511

李敏娟, 陈铭瑶, 尹鑫茂, 蔡传兵. 稀土镍酸盐:金属绝缘相变与超导性质[J]. 上海大学学报(自然科学版), 2026, 32(1): 17-32.

LI Minjuan, CHEN Mingyao, YIN Xinmao, CAI Chuanbing. Rare earth nickelates: metal-insulator transition and superconducting properties[J]. Journal of Shanghai University（Natural Science Edition）, 2026, 32(1): 17-32.

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