Ground-state oxygen holes and the metal–insulator transition in the negative charge-transfer rare-earth nickelates

Ground-state oxygen holes and the metal–insulator transition in the negative charge-transfer rare-earth nickelates

Rare-earth perovskite nickelates show intriguing metal–insulator transitions, whose mechanism remains elusive. Here, Bisogni et al. evidenced a 3d8 Ni configuration together with abundance of oxygen 2p holes in the ground state of a NdNiO3thin film, suggesting a negative charge-transfer scenario.

Bibliographic Details
Main Authors: Valentina Bisogni, Sara Catalano, Robert J. Green, Marta Gibert, Raoul Scherwitzl, Yaobo Huang, Vladimir N. Strocov, Pavlo Zubko, Shadi Balandeh, Jean-Marc Triscone, George Sawatzky, Thorsten Schmitt
Format: Article
Language:English
Published: Nature Publishing Group 2016-10-01
Series:Nature Communications
Online Access:https://doi.org/10.1038/ncomms13017

Internet

https://doi.org/10.1038/ncomms13017

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