Absence of superconductivity and density-wave transition in ambient-pressure tetragonal La4Ni3O10

Mengzhu Shi, Yikang Li, Yuxing Wang, Di Peng, Shaohua Yang, Houpu Li, Kaibao Fan, Kun Jiang, Junfeng He, Qiaoshi Zeng, Dongsheng Song, Binghui Ge, Ziji Xiang, Zhenyu Wang, Jianjun Ying, Tao Wu () and Xianhui Chen ()
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Mengzhu Shi: University of Science and Technology of China
Yikang Li: University of Science and Technology of China
Yuxing Wang: Beijing National Laboratory for Condensed Matter Physics
Di Peng: Institute for Shanghai Advanced Research in Physical Sciences (SHARPS)
Shaohua Yang: Anhui University
Houpu Li: University of Science and Technology of China
Kaibao Fan: University of Science and Technology of China
Kun Jiang: Beijing National Laboratory for Condensed Matter Physics
Junfeng He: University of Science and Technology of China
Qiaoshi Zeng: Institute for Shanghai Advanced Research in Physical Sciences (SHARPS)
Dongsheng Song: Anhui University
Binghui Ge: Anhui University
Ziji Xiang: University of Science and Technology of China
Zhenyu Wang: University of Science and Technology of China
Jianjun Ying: University of Science and Technology of China
Tao Wu: University of Science and Technology of China
Xianhui Chen: University of Science and Technology of China

Nature Communications, 2025, vol. 16, issue 1, 1-9

Abstract: Abstract The recent discovery of superconductivity in La3Ni2O7 and La4Ni3O10 under pressure stimulates intensive research interests. These nickelates crystallize in an orthogonal/monoclinic structure and have a density-wave transition at ambient pressure. The application of pressure triggers a transition to tetragonal structure (I4/mmm), which is believed to be a key prerequisite for the emergence of superconductivity. Here, we report the first tetragonal nickelates La4Ni3O10 microcrystals at ambient pressure. In tetragonal La4Ni3O10, transport measurements find that both density-wave and superconducting transitions are absent up to 160 GPa, indicating a robust tetragonal metallic ground state. Meanwhile, density functional theory calculations reveal a considerable contribution of dz2 orbital to the Fermi surface. The concurrent absence of density-wave state and high-pressure superconductivity in tetragonal La4Ni3O10 suggests that the density-wave state instead of tetragonal structure is crucial for the superconductivity in nickelates under pressure. Our findings impose important constraints on the mechanism of pressure-induced superconductivity in nickelates.

Date: 2025
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DOI: 10.1038/s41467-025-57264-0

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