Metal-to-metal transition and heavy-electron state in Nd$_4$Ni$_3$O$_{10-\delta}$

11 Feb 2020 Li Bai-Zhuo Wang Cao Yang P. T. Sun J. P. Liu Ya-Bin Wu Jifeng Ren Zhi Cheng J. -G. Zhang Guang-Ming Cao Guang-Han

The trilayer nickelate Nd$_4$Ni$_3$O$_{10-\delta}$ ($\delta \approx$ 0.15) was investigated by the measurements of x-ray diffraction, electrical resistivity, magnetic susceptibility, and heat capacity. The crystal structure data suggest a higher Ni valence in the inner perovskite-like layer... (read more)

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  • STRONGLY CORRELATED ELECTRONS
  • SUPERCONDUCTIVITY