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Type: Artigo de periódico
Title: High-resolution X-ray diffraction beamline at the LNLS for the study of charge, orbital and magnetic structures
Author: Giles, C
Yokaichiya, F
Kycia, SW
Sampaio, LC
Ardiles-Saravia, DC
Franco, MKK
Neuenschwander, RT
Abstract: A high-resolution X-ray diffraction beamline at the Brazilian Synchrotron Light Laboratory (LNLS) has been commissioned for the study of crystalline magnetic materials. The beamline optics is based on a Rh-coated vertical-focusing X-ray mirror and a sagittal-focusing double-crystal monochromator. The primary instrument is a six-circle diffractometer equipped with energy and polarization analysers and a closed-cycle He cryostat. The beamline source is a bending magnet of the 1.37 GeV storage ring of the LNLS, delivering approximately 4 x 10(10) photons s(-1) at 8 keV at the sample position. Resonant and non-resonant scattering are the main techniques used to study charge, orbital and magnetic structures. Examples of magnetic scattering in Ho and NiO single crystals, as well as orbital ordering in manganites thin films, are presented.
Subject: X-ray magnetic scattering
beamline optics
Country: Dinamarca
Editor: Blackwell Munksgaard
Citation: Journal Of Synchrotron Radiation. Blackwell Munksgaard, v. 10, n. 430, n. 434, 2003.
Rights: aberto
Identifier DOI: 10.1107/S0909049503020958
Date Issue: 2003
Appears in Collections:Unicamp - Artigos e Outros Documentos

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