AI Article Synopsis
- Recent discoveries in superconductivity involving infinite-layer nickelates, specifically LaNiO₂, have sparked new research into electronic interactions impacting these materials.
- Using first-principles simulations, the study reveals that LaNiO₂ displays competing low-energy stripe phases, akin to those found in doped cuprates, driven by complex electronic mechanisms and distortions.
- The findings highlight the significant role of strong electronic correlations and electron-phonon coupling in the behavior of nickelates, offering insights into electronic inhomogeneity and the absence of long-range order.
Article Abstract
Recent discovery of superconductivity in infinite-layer nickelates has ignited renewed theoretical and experimental interest in the role of electronic correlations in their properties. Here, using first-principles simulations, we show that the parent compound of the nickelate family, LaNiO_{2}, hosts competing low-energy stripe phases, similar to doped cuprates. The stripe states are shown to be driven by multiorbital electronic mechanisms and Peierls distortions. Our study indicates that both strong correlations and electron-phonon coupling effects play a key role in the physics of infinite-layer nickelates, and sheds light on the microscopic origin of electronic inhomogeneity and the lack of long-range order in the nickelates.
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| http://dx.doi.org/10.1103/PhysRevLett.133.066401 | DOI Listing |
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