Absence of superconductivity in bulk Nd1−x Sr x NiO2

Superconductivity was recently observed in Nd0.8Sr0.2NiO2 films. Here, superconductivity is found to be absent in bulk polycrystalline samples of Sr-doped NdNiO2, raising questions regarding the origin of superconductivity in this material.

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Autores principales: Qing Li, Chengping He, Jin Si, Xiyu Zhu, Yue Zhang, Hai-Hu Wen
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2020
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Acceso en línea:https://doaj.org/article/56639f9716734771b663b84a6aaddb6c
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