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American Institute of Physics, AIP Conference Proceedings

DOI: 10.1063/1.2644528

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High Pressure X-ray Absorption Spectroscopy on Zn1-xMnxO (x=0.25 and x=0.05) at the Mn K Edge

Proceedings article published in 2007 by J. P. Itié, A. M. Flank, P. Lagarde, J. Pellicer Porres, J. A. Sans, J. F. Sanchez Royo ORCID, A. Segura, A. Polian
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This paper is available in a repository.

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Abstract

X-ray absorption measurements have been performed on Zn1-xMnxO (x=.25 and x=.05) at the Mn K edge under pressure. Mn is in substitution of Zn whatever the composition or the structure. A phase transformation from wurtzite to rocksalt is observed close to 8 GPa for both compositions. The local compressibility around the Mn atom is similar to the bulk one, in the wurtzite and in the rocksalt phases. The transition is reversible for x=0.05 but irreversible for x=0.25.