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

Alexey P. Menushenkov; Alexander A. Yaroslavtsev; Olga V. Grishina; Roman V. Chernikov; Alexandra A. Arico; Corey M. Thompson; Kirill Kovnir; Michael Shatruk

doi:10.4028/www.scientific.net/SSP.190.200

Paper Titles

Effect of Milling in Various Media and Annealing on the Structure and Magnetic Properties of Strontium Hexaferrite Powder
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Effect of Initial Composition on the Phase Composition of High-Strength Fe-Cr-Co-Based Magnetic Materials
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Magnetic Properties of Nanostructured Co-Based Alloys Produced by Dynamic Compaction and Plasma Spray Deposition
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The Influence of Powder Particle Size on Behavior of Hot Plastic Deformation, Structure and Magnetic Properties of Nd-Fe-B Die-Upset Magnets
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Local Electronic and Crystal Structure of Rare-Earth Cobalt Phosphides RCo₂P₂ Studied by XAFS Spectroscopy
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Effect of Heat Treatment on the Microstructure and Magnetic Properties of As-Cast SmCo₅-Based Alloys
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Physical and Magnetic Properties of Sm_0.2Gd_0.8Ni₄B Compound
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Magnetic Properties of Intermetallic Compound Ti₃Al with Deuterium
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Mössbauer Spectroscopy of Antiferromagnetic Fluctuations in Heavy Fermion CePdSn
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Local Electronic and Crystal Structure of Rare-Earth Cobalt Phosphides RCo₂P₂ Studied by XAFS Spectroscopy

Abstract:

Abstract. The valence state of Ce and Eu was investigated by X-ray absorption near-edge structure (XANES) spectroscopy above L3-Ce and L3-Eu absorption edges in series of RCo₂P₂ (R = 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 ¯ne structure (EXAFS) spectroscopy above K-Co and L3-Pr absorption edges.