Evidence for anisotropic superconductivity beyond Pauli limit in infinite-layer lanthanum nickelates.
Sign Up to like & getrecommendations! Published in 2023 at "Advanced materials"
DOI: 10.1002/adma.202303400
Abstract: After being expected as a promising analogue to cuprates for decades, superconductivity was recently discovered in infinite-layer nickelates, providing new opportunities to explore mechanisms of high-temperature superconductivity. However, in sharp contrast to the single-band and anisotropic… read more here.
Keywords: superconductivity; pauli limit; anisotropic superconductivity; infinite layer ... See more keywords
Effect of lattice strain on the electronic structure and magnetic correlations in infinite-layer (Nd,Sr)NiO2
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Alloys and Compounds"
DOI: 10.1016/j.jallcom.2021.160888
Abstract: Abstract We report a theoretical study of the effect of electron-electron interactions and Sr doping on the electronic structure of infinite-layer (Nd,Sr)NiO2 using the DFT+dynamical mean-field theory approach (DFT+DMFT). Here, we explore the effect of… read more here.
Keywords: infinite layer; electronic structure; layer nio2; effect ... See more keywords
Functionally doped infinite-layer nickelates
Sign Up to like & getrecommendations! Published in 2022 at "Nature Materials"
DOI: 10.1038/s41563-021-01163-4
Abstract: Epitaxial growth followed by topotactic reduction yields superconducting nickelate phases with the same hole-doping level as that obtained by chemical substitution, without causing structural disorder. read more here.
Keywords: infinite layer; functionally doped; doped infinite; layer nickelates ... See more keywords
A substantial hybridization between correlated Ni-d orbital and itinerant electrons in infinite-layer nickelates
Sign Up to like & getrecommendations! Published in 2020 at "Communications Physics"
DOI: 10.1038/s42005-020-0347-x
Abstract: The discovery of unconventional superconductivity in hole doped NdNiO2, similar to CaCuO2, has received enormous attention. However, different from CaCuO2, RNiO2 (R = Nd, La) has itinerant electrons in the rare-earth spacer layer. Previous studies show that… read more here.
Keywords: hybridization; itinerant electrons; orbital itinerant; infinite layer ... See more keywords
Infinite-layer/perovskite oxide heterostructure-induced high-spin states in SrCuO2/SrRuO3 bilayer films.
Sign Up to like & getrecommendations! Published in 2021 at "Materials horizons"
DOI: 10.1039/d1mh01385h
Abstract: Heterostructures composed of dissimilar oxides with different properties offer opportunities to develop emergent devices with desired functionalities. A key feature of oxide heterostructures is interface electronics and orbital reconstructions. Here, we combined infinite-layered SrCuO2 and… read more here.
Keywords: high spin; infinite layer; layer perovskite; perovskite oxide ... See more keywords
Aspects of the synthesis of thin film superconducting infinite-layer nickelates
Sign Up to like & getrecommendations! Published in 2020 at "APL Materials"
DOI: 10.1063/5.0005103
Abstract: The recent observation of superconductivity in Nd$_{0.8}$Sr$_{0.2}$NiO$_{2}$ calls for further investigation and optimization of the synthesis of this metastable infinite-layer nickelate structure. Here, we present our current understanding of important aspects of the growth of… read more here.
Keywords: aspects synthesis; film; layer; thin film ... See more keywords
Electronic structure of rare-earth infinite-layer RNiO2(R=La,Nd)
Sign Up to like & getrecommendations! Published in 2019 at "Physical Review B"
DOI: 10.1103/physrevb.100.201106
Abstract: The discovery of infinite-layer nickelate superconductor marks the new era in the field of superconductivity. In the rare-earth ($R$) nickelates $\mathrm{RNi}{\mathrm{O}}_{2}$, although the Ni is also of ${d}^{9}$ electronic configuration, analogous to Cu ${d}^{9}$ in… read more here.
Keywords: rare earth; electronic structure; infinite layer; mathrm ... See more keywords
Role of 4f states in infinite-layer NdNiO2
Sign Up to like & getrecommendations! Published in 2020 at "Physical Review B"
DOI: 10.1103/physrevb.101.020503
Abstract: Atomic $4f$ states have been found to be essential players in the physical behavior of lanthanide compounds, at the Fermi level $E_F$ as in the proposed topological Kondo insulator SmB$_6$, or further away as in… read more here.
Keywords: layer ndnio2; role states; infinite layer; states infinite ... See more keywords
Robust dx2−y2 -wave superconductivity of infinite-layer nickelates
Sign Up to like & getrecommendations! Published in 2020 at "Physical Review B"
DOI: 10.1103/physrevb.101.060504
Abstract: Cuprate superconductors have shaped the contemporary state of condensed matter physics. Recently, infinite-layer Nd-doped NiO${}_{2}$ nickelates have initiated a new era of unconventional superconductivity, of which this paper constitutes the first comprehensive theoretical analysis at… read more here.
Keywords: rule 0ex; phantom rule; infinite layer; 0ex phantom ... See more keywords
Late transition metal oxides with infinite-layer structure: Nickelates versus cuprates
Sign Up to like & getrecommendations! Published in 2020 at "Physical Review B"
DOI: 10.1103/physrevb.101.081110
Abstract: The correlated electronic structure of the infinite-layer compounds ${\mathrm{NdNiO}}_{2}$ and ${\mathrm{SrCuO}}_{2}$ at stoichiometry and with finite hole doping is compared. Key differences are elucidated from an advanced first-principles many-body perspective. Contrary to the charge-transfer insulating… read more here.
Keywords: infinite layer; mathrm; ensuremath; structure ... See more keywords
Electronic correlations and magnetic interactions in infinite-layer NdNiO2
Sign Up to like & getrecommendations! Published in 2020 at "Physical Review B"
DOI: 10.1103/physrevb.102.241112
Abstract: Vamshi M. Katukuri, ∗ Nikolay A. Bogdanov, Oskar Weser, Jeroen van den Brink, 3 and Ali Alavi 4, † Max Planck Institute for Solid State Research, Heisenbergstrasse 1, 70569 Stuttgart, Germany IFW Dresden, Helmholtzstrasse 20,… read more here.
Keywords: infinite layer; layer ndnio2; interactions infinite; magnetic interactions ... See more keywords