Local Electronic and Crystal Structure of Rare-Earth Cobalt Phosphides RCo2P2 Studied by XAFS Spectroscopy

A P Menushenkov,A A Yaroslavtsev,O V Grishina,R V Chernikov,Alexandra A Arico,Corey M Thompson,Kirill Kovnir,Michael Shatruk

Solid State Phenomena（2012）

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摘要

The valence state of Ce and Eu was investigated by X-ray absorption near-edge structure (XANES) spectroscopy above L-3-Ce and L-3-Eu absorption edges in series of RCo2P2 = La, Ce, Pr, Eu) magnetic intermetallics. At the same time under similar conditions the rearrangement of Co and Pr local environment vs. temperature was studied by extended X-ray absorption fine structure (EXAFS) spectroscopy above K-Co and L-3-Pr absorption edges.

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关键词

itinerant magnets,cerium,europium,EXAFS,XANES,local structure,valence

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