Orbital differentiation enhanced by structural modification in ${\mathrm{Pr}}_{4}{\mathrm{Ni}}_{3}{\mathrm{O}}_{10}$
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论文明确研究多轨道镍酸盐中的轨道选择性相干性、重整化和杂化抑制，直接对应多轨道关联电子和轨道选择性 Mott 物理相关问题。
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Author(s): Yidian Li, Mingxin Zhang, Xian Du, Cuiying Pei, Jieyi Liu, Houke Chen, Wenxuan Zhao, Kaiyi Zhai, Yinqi Hu, Senyao Zhang, Jiawei Shao, Mingxin Mao, Yantao Cao, Jinkui Zhao, Zhengtai Liu, Dawei Shen, Yaobo Huang, Makoto Hashimoto, Donghui Lu, Zhongkai Liu, Yulin Chen, Hanjie Guo, Yilin Wang, Yanpeng Qi, and Lexian Yang Trilayer nickelates provide a tunable platform for investigating the interplay between structural geometry, electron correlation, and unconventional superconductivity. By directly comparing Pr 4 Ni 3 O 10 and La 4 Ni 3 O 10 , this work uncovers an orbital differentiation enhanced by structural modification in Pr 4 Ni 3 O 10 , where orbitals become selectively incoherent and significantly renormalized, while orbitals remain coherent. This dichotomy leads to a marked suppression of interorbital hybridization in Pr 4 Ni 3 O 10 . This work suggests that the interlayer bonding angle serves as an active tuning parameter for the electronic properties, bridging multiorbital correlated physics and superconductivity in nickelates. [Phys. Rev. B 114, L111105] Published Thu Aug 13, 2026