类型 方法 频次 3 别名 Powder X-ray diffraction 相关论文 Spectroscopic Evidence of Competing Diagonal Spin Interactions and Spin Disproportionation in the Bilayer Nickelate La3Ni2O7 Bulk superconductivity in quintuple-layer square-planar nickelate La6Ni5O12 Ambient-pressure superconductivity in bulk single crystals of La5Ni4O10