Experimental Progress on the Emergent Infinite-Layer Ni-Based Superconductors

Abstract

The emergence of the infinite-layer superconducting nickelate thin films marks the Ni age of superconductivity, which has excited a huge surge of studies since the first report in August of 2019. Despite of the tremendous attention drawn from the entire material science community and a large body of theoretical studies, the experimental progress has been relatively slow due to the challenging sample fabrication, which may, in turn, be holding back the fast development of theoretical research. Therefore, a timely and comprehensive review on all the up-to-date experimental progress of the emergent infinite-layer Ni-based superconductors is urgently needed. In this review, we first introduce the history of more than 30-year-long Ni-based superconductivity exploration, then summarize the sample fabrication processes, later present the experimental electrical transport and magnetic properties, and finally come up with several key issues deserving intensive studies. This review is thus expected to be helpful for researchers with diverse research background to readily capture the major progress of this emerging field.

36 pages, 23 figures, a review article published online at Materials Today

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Cited by in corpus (9)

• Electronic structure, dimer physics, orbital-selective behavior, and magnetic tendencies in the bilayer nickelate superconductor La${}_3$Ni${}_2$O${}_7$ under pressure
• Structural phase transition, $s_{\pm }$-wave pairing and magnetic stripe order in the bilayered nickelate superconductor La${}_3$Ni${}_2$O${}_7$ under pressure
• Electronic Correlation and Pseudogap-like Behavior of High-Temperature Superconductor La3Ni2O7
• Quantifying interaction mechanism in infinite layer nickelate superconductors
• Distinct electridelike nature of infinite-layer nickelates and the resulting theoretical challenges to calculate their electronic structure
• Scanning SQUID study of ferromagnetism and superconductivity in infinite-layer nickelates
• Signature of superconductivity in pressurized La4Ni3O10-x single crystals grown at ambient pressure
• $\text{Ab initio}$ Materials Design of Superconductivity in $d^9$ Nickelates
• Structural stability, electronic structure, and magnetic properties of the single-layer trilayer La3Ni2O7 polymorph