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Type: Artigo
Title: Combining state-of-the-art experiment and ab initio calculations for a better understanding of the interplay between valence, magnetism and structure in Eu compounds at high pressure
Author: Souza-Neto, N. M.
Haskel, D.
Reis, R. D. dos
Gandra, F. C. G.
Abstract: We describe how first principle calculations can play a key role in the interpretation of X-ray absorption near-edge structure (XANES) and X-ray magnetic circular dichroism (XMCD) spectra for a better understanding of emergent phenomena in condensed matter physics at high applied pressure. Eu compounds are used as case study to illustrate the advantages of this methodology, ranging from studies of electronic charge transfer probed by quadrupolar and dipolar contributions, to accurately determining electronic valence, and to inform about the influence of pressure on RKKY interactions and magnetism. This description should help advance studies where the pressure dependence of XANES and XMCD data must be tackled with the support of theoretical calculations for a proper understanding of the electronic properties of materials.
Subject: Magnetismo
Espectroscopia de raio X
Absorção de raios X próximo a estrutura da borda
Dicroísmo circular magnético de raios X
Country: Reino Unido
Editor: Taylor & Francis
Citation: High Pressure Research. Taylor And Francis Ltd., v. 36, p. 1 - 11, 2016.
Rights: fechado
Identifier DOI: 10.1080/08957959.2016.1212025
Date Issue: 2016
Appears in Collections:IFGW - Artigos e Outros Documentos

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