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We study the many-body electronic structure of the stoichiometric and electron-doped trilayer nickelate Pr$_4$Ni$_3$O$_8$ in comparison to that of the stoichiometric and hole-doped infinite layer nickelate NdNiO$_2$ within the framework of…

Strongly Correlated Electrons · Physics 2020-12-23 Jonathan Karp , Alexander Hampel , Manuel Zingl , Antia S. Botana , Hyowon Park , Michael R. Norman , Andrew J. Millis

The large antiferromagnetic exchange coupling in the parent high-$T_{\rm c}$ cuprate superconductors is believed to play a crucial role in pairing the superconducting carriers. The recent observation of superconductivity in hole-doped…

Strongly Correlated Electrons · Physics 2020-12-22 Vamshi M. Katukuri , Nikolay A. Bogdanov , Oskar Weser , Jeroen van den Brink , Ali Alavi

The 2019 discovery of high temperature superconductivity in layered nickelate films, Nd$_{1-x}$SrNiO$_2$, has galvanized a community that has been studying nickelates for more than 30 years both as cuprate analogs and in their own right. On…

Superconductivity · Physics 2021-12-24 J. F. Mitchell

The correlated electronic structure of the infinite-layer compounds NdNiO$_2$ and SrCuO$_2$ at stoichiometry and with finite hole doping is compared. Key differences are elucidated from an advanced first-principles many-body perspective.…

Strongly Correlated Electrons · Physics 2020-03-06 Frank Lechermann

The observation of superconductivity in infinite layer nickelate (Nd,Sr)NiO$_{2}$ thin films has led to rapid theoretical and experimental investigations of these copper-oxide-analogue systems [1-15]. Superconductivity has also been found…

Employing first-principles density functional theory calculations and Wannierization of the low energy band structure, we analyze the electronic structure of undoped, infinite-layer nickelate compounds, NdNiO$_2$, PrNiO$_2$ and LaNiO$_2$.…

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

The discovery of superconductivity in Sr-doped NdNiO$_{2}$ is a crucial breakthrough in the long pursuit for nickel oxide materials with electronic and magnetic properties similar to those of the cuprates. NdNiO$_2$ is the infinite-layer…

Superconductivity · Physics 2020-08-05 Emilian M. Nica , Jyoti Krishna , Rong Yu , Qimiao Si , Antia S. Botana , Onur Erten

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 hole-doped NdNiO$_2$ layer deposited on the SrTiO$_{3}$ surface exhibits unconventional superconductivity. Here, we present a systematic study of the electronic and magnetic properties of the NdNiO$_2$ superconductor using the density…

Materials Science · Physics 2025-12-24 Sajid Sekh , Andrzej Ptok , Wojciech Brzezicki , Przemysław Piekarz , Andrzej M. Oleś

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…

Since the discovery of superconductivity in infinite-layer nickelates RNiO$_2$ (R=La, Pr, Nd), great research efforts have been paid to unveil its underlying superconducting mechanism. However, the physical origin of the intriguing…

Strongly Correlated Electrons · Physics 2022-07-20 T. Y. Xie , Z. Liu , Chao Cao , Z. F. Wang , J. L. Yang , W. Zhu

Recently, superconductivity was discovered in the infinite layer of hole-doped nickelates NdNiO$_{2}$. Contrary to this, superconductivity in LaNiO$_{2}$ is still under debate. This indicates the crucial role played by the $f$ electrons on…

Strongly Correlated Electrons · Physics 2023-02-09 Andrzej Ptok , Surajit Basak , Przemysław Piekarz , Andrzej M. Oleś

Nickel-based superconductors provide a long-awaited experimental platform to explore possible cuprate-like superconductivity. Despite similar crystal structure and $d$ electron filling, these systems exhibit several differences. Nickelates…

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

The recent discovery of high-$T_c$ superconductivity in Ruddlesden-Popper (RP) nickelates has motivated extensive efforts to explore higher $T_c$ superconductors. Here, we systematically investigate Nd-doped La$_3$Ni$_2$O$_7$ using density…

Superconductivity · Physics 2026-01-06 Cui-Qun Chen , Wenyuan Qiu , Zhihui Luo , Meng Wang , Dao-Xin Yao

Recently, signatures of superconductivity with critical temperature from 20 to 30 K have been reported in pressured trilayer nickelate La$_4$Ni$_3$O$_{10}$ through a pressure-induced structure transition. Here we explore the evolution of…

Strongly Correlated Electrons · Physics 2024-06-18 Peng-Fei Tian , Hao-Tian Ma , Xing Ming , Xiao-Jun Zheng , Huan Li

Significant magnetic exchange interactions have been observed in infinite-layer nickelates RNiO2 (R = La, Pr, Nd), which exhibit unconventional superconductivity upon hole doping. Despite their structural and Fermi surface similarities to…

Superconductivity · Physics 2025-05-15 Yanbing Zhou , Dan Zhao , Boyun Zeng , Chengliang Xia , Yu Wang , Hanghui Chen , Tao Wu , Xianhui Chen

The families of high-temperature superconductors recently welcomed a new member: hole doped nickelate Nd$_{0.8}$Sr$_{0.2}$NiO$_2$ with a $\sim$15K transition temperature. To understand its emergent low-energy behaviors and experimental…

Superconductivity · Physics 2022-12-15 Zi-Jian Lang , Ruoshi Jiang , Wei Ku

The demonstration of superconductivity in nickelate analogues of high $T_c$ cuprates provides new perspectives on the physics of correlated electron materials. The degree to which the nickelate electronic structure is similar to that of…

Strongly Correlated Electrons · Physics 2020-10-02 Jonathan Karp , Antia S. Botana , Michael R. Norman , Hyowon Park , Manuel Zingl , Andrew Millis