Finite-temperature effects on the x-ray absorption spectra of crystalline alumina from first principles

By including phonon-assisted transitions within plane-wave density functional theory methods for calculating the x-ray absorption spectrum (XAS), we obtain the Al K-edge XAS at 300 K for two crystalline Al2O3 phases. The 300 K XAS reproduces the pre-edge peak for α-Al2O3, which is not visible at the...

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Bibliographic Details
Main Authors: A. F. Harper, B. Monserrat, A. J. Morris
Format: Article
Language:English
Published: AIP Publishing LLC 2023-05-01
Series:AIP Advances
Online Access:http://dx.doi.org/10.1063/5.0146033