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Type: Artigo
Title: X-ray Powder Diffraction Of High-absorption Materials At The Xrd1 Beamline Off The Best Conditions: Application To (gd, Nd)(5)si-4 Compounds
Author: Carvalho
A. M. G.; Nunes
R. S.; Coelho
A. A.
Abstract: Representative compounds of the new family of magnetic materials Gd5-xNdxSi4 were analyzed by X-ray diffraction at the XRD1 beamline at Laboratorio Nacional de Luz Sincrotron. To reduce X-ray absorption, thin layers of the powder samples were mounted outside the capillaries and measured in Debye-Scherrer geometry as usual. The XRD analyses and the magnetometry results indicate that the behavior of the magnetic transition temperature as a function of Nd content may be directly related to the average of the four smallest interatomic distances between different rare earth sites of the majority phase of each compound. The quality and consistency of the results show that the XRD1 beamline is able to perform satisfactory XRD experiments on high-absorption materials even off the best conditions. (C) 2016 International Centre for Diffraction Data.
Subject: X-ray Powder Diffraction
Editor: J C P D S-Int Centre Diffraction Data
Newtown SQ
Citation: Powder Diffraction. J C P D S-int Centre Diffraction Data, v. 32, p. 10 - 14, 2017.
Rights: fechado
Identifier DOI: 10.1017/S0885715616000646
Date Issue: 2017
Appears in Collections:Unicamp - Artigos e Outros Documentos

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