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The novel nickelate superconductors of infinite-layer type feature challenging electronic pecularities in the normal-state phase diagram with doping. Distinct many-body behavior and different dispersion regimes of the entangled…

Strongly Correlated Electrons · Physics 2021-04-29 Frank Lechermann

We theoretically investigate the unconventional superconductivity in the newly discovered infinite-layer nickelates Nd$_{1-x}$Sr$_{x}$NiO$_{2}$ based on a two-band model. By analyzing the transport experiments, we propose that the doped…

Superconductivity · Physics 2020-12-08 Jun Chang , Jize Zhao , Yang Ding

Motivated by the recent theoretical materials design of superconducting $d^9$ nickelates for which the charge transfer from the NiO$_2$ to the block layer is completely suppressed [M. Hirayama $\textit{et al.}$, Phys. Rev. B $\textbf{101}$,…

Superconductivity · Physics 2023-06-13 Motoharu Kitatani , Yusuke Nomura , Motoaki Hirayama , Ryotaro Arita

The discovery of superconductivity in square-planar nickelates has offered a rich materials platform to explore the origins of cuprate-like superconductivity. Experimental investigations however have largely been limited to the…

The recent observation of superconductivity in infinite-layer Nd$_{1-x}$Sr$_x$NiO$_2$ thin films has attracted a lot of attention, since this compound is electronically and structurally analogous to the superconducting cuprates. Due to the…

Intertwined superconducting and magnetic orders may give rise to exotic quantum phases, including field-induced and re-entrant superconductivity. However, such magnetism-enhanced superconductivity has remained elusive in superconductors…

The recent and exciting discovery of superconductivity in the hole-doped infinite-layer nickelate Nd 1-{\delta} Sr {\delta} NiO 2 draws strong attention to correlated quantum materials. From a theoretical view point, this new class of…

Strongly Correlated Electrons · Physics 2021-01-05 Byungkyun Kang , Corey Melnick , Patrick Semon , Siheon Ryee , Myung Joon Han , Gabriel Kotliar , Sangkook Choi

The discovery of superconductivity in infinite-layer nickelates has added a new family of materials to the fascinating growing class of unconventional superconductors. By incorporating the strongly correlated multi-orbital nature of the…

Superconductivity · Physics 2022-08-15 Andreas Kreisel , Brian M. Andersen , Astrid T. Rømer , Ilya M. Eremin , Frank Lechermann

We investigate the electronic structure of nickelate superconductor NdNiO2 upon hole doping, by means of density-functional theory and dynamical mean-field theory. We demonstrate the strong intrinsic hybridization between strongly…

Strongly Correlated Electrons · Physics 2021-01-13 Zhao Liu , Chenchao Xu , Chao Cao , W. Zhu , Z. F. Wang , Jinlong Yang

To understand the superconductivity recently discovered in Nd$_{0.8}$Sr$_{0.2}$NiO$_2$, we carried out LDA+DMFT (local density approximation plus dynamical mean-field theory) and magnetic force response calculations. The on-site correlation…

Superconductivity · Physics 2020-02-25 Siheon Ryee , Hongkee Yoon , Taek Jung Kim , Min Yong Jeong , Myung Joon Han

The discovery of superconductivity in nickelates has generated significant interest in condensed matter physics. Nickelate superconductors, which are hole-doped within the layered structure of RNiO$_2$, share structural similarities with…

We propose that the superconductivity recently observed in Nd$_{0.8}$Sr$_{0.2}$NiO$_2$ with critical temperature in the range $9$ K to $15$ K results from the same charge carriers and the same mechanism that we have proposed give rise to…

Superconductivity · Physics 2019-10-01 J. E. Hirsch , F. Marsiglio

The superconducting infinite-layer (IL) nickelates offer a new platform for investigating the long-standing problem of high-temperature superconductivity. Many models were proposed to understand its superconducting mechanisms based on the…

Several reports about infinite-layer nickelate thin films suggest that the superconducting critical temperature versus chemical doping phase diagram has a dome-like shape, similar to cuprates. Here, we demonstrate a highly reproducible…

The discovery of superconductivity in hole-doped infinite layer nickelates, RNiO2 (R = Nd, Pr, La) has garnered sustained interest in the field. A definitive picture of low-energy many-body states has not yet emerged. We provide new…

Strongly Correlated Electrons · Physics 2023-03-28 Gheorghe Lucian Pascut , Lucian Cosovanu , Kristjan Haule , Khandker F. Quader

Since the discovery of superconductivity in infinite-layer nickelates, there have been extensive efforts to unravel their electronic structure and pairing mechanism. In particular, understanding how the electronic structure evolves with…

Superconductivity · Physics 2026-02-11 Woo Jin Kim , Kyuho Lee , Eun Kyo Ko , Jaeseok Son , Yonghun Lee , Yijun Yu , Soon Jae Moon , Tae Won Noh , Harold Y. Hwang

Superconductivity with a remarkably high $T_c$ has recently been found in Sr-doped NdNiO$_2$ thin films. While this system bears strong similarities to the cuprates, some differences, such as a weaker antiferromagnetic exchange coupling and…

Strongly Correlated Electrons · Physics 2020-01-15 Philipp Werner , Shintaro Hoshino

The recent discovery of superconductivity in infinite-layer nickelates has drawn considerable attention; however, a consensus on the fundamental building blocks and common ingredients necessary to understand and describe their ground states…

Strongly Correlated Electrons · Physics 2023-12-07 Cheng Peng , Hong-Chen Jiang , Brian Moritz , Thomas P. Devereaux , Chunjing Jia

The discovery of superconductivity in Ruddlesden-Popper (RP) nickelates has drawn great attention. Many works have been done to study the superconductivity as well as to find more superconducting RP nickelates. However, there is a lack of…

Superconductivity · Physics 2025-07-18 Zhenfeng Ouyang , Rong-Qiang He , Zhong-Yi Lu

Understanding how superconductivity emerges and collapses in correlated electron systems remains a central challenge in condensed matter physics. As a recently discovered member of the high temperature superconductor family, bilayer…

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