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Issue 27, 2017
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Experimental evidence of an electronic transition in CeP under pressure using Ce L3 XAS

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Abstract

Cerium phosphide undergoes a unit-cell volume discontinuity without any structural phase transitions upon application of a high pressure of ∼10 GPa. This phenomenon is attributed to a change in the electronic charge distribution of the cerium in CeP, but to date no direct experimental verification for this hypothesis has been presented. Here, we report a Ce L3-edge X-ray absorption spectroscopy study under pressure, which provides direct compelling evidence of an electronic transition associated with the above-mentioned isostructural volume discontinuity. The present results should be relevant to the understanding of the phenomenon of pressure induced isostructural transitions involving unit-cell volume collapse.

Graphical abstract: Experimental evidence of an electronic transition in CeP under pressure using Ce L3 XAS

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Supplementary files

Article information


Submitted
08 May 2017
Accepted
12 Jun 2017
First published
12 Jun 2017

Phys. Chem. Chem. Phys., 2017,19, 17526-17530
Article type
Communication

Experimental evidence of an electronic transition in CeP under pressure using Ce L3 XAS

B. Joseph, R. Torchio, C. Benndorf, T. Irifune, T. Shinmei, R. Pöttgen and A. Zerr, Phys. Chem. Chem. Phys., 2017, 19, 17526
DOI: 10.1039/C7CP03022C

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