Publication Date:
2015-11-20
Description:
Author(s): D. Choudhury, P. Rivero, D. Meyers, X. Liu, Y. Cao, S. Middey, M. J. Whitaker, S. Barraza-Lopez, J. W. Freeland, M. Greenblatt, and J. Chakhalian Using a combination of x-ray absorption spectroscopy (XAS) experiments and first-principles calculations, we demonstrate that insulating KCuO 2 contains Cu in an unusually high formal 3+ valence state, and the ligand-to-metal (O-to-Cu) charge-transfer energy is intriguingly negative ( Δ ∼ − 1.5 eV) and h… [Phys. Rev. B 92, 201108(R)] Published Thu Nov 19, 2015
Keywords:
Electronic structure and strongly correlated systems
Print ISSN:
1098-0121
Electronic ISSN:
1095-3795
Topics:
Physics
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