Energy-dispersive X-ray absorption spectroscopy at LNLS: investigation on strongly correlated metal oxides

An energy‐dispersive X‐ray absorption spectroscopy beamline mainly dedicated to X‐ray magnetic circular dichroism (XMCD) and material science under extreme conditions has been implemented in a bending‐magnet port at the Brazilian Synchrotron Light Laboratory. Here the beamline technical characterist...

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Bibliographic Details
Published in:Journal of synchrotron radiation 2010-01, Vol.17 (1), p.93-102
Main Authors: Cezar, Júlio C., Souza-Neto, Narcizo M., Piamonteze, Cínthia, Tamura, Edilson, Garcia, Flávio, Carvalho, Edson J., Neueschwander, Régis T., Ramos, Aline Y., Tolentino, Hélio C. N., Caneiro, Alberto, Massa, Nestor E., Martinez-Lope, Maria Jesus, Alonso, Jose Antonio, Itié, Jean-Paul
Format: Article
Language:English
Subjects:
Argentina
Condensed Matter
Energy Transfer
high pressure
Materials Science
Metals - chemistry
Oxides - chemistry
Physics
Statistics as Topic
Synchrotrons
X-Ray Absorption Spectroscopy - methods
XAS
XMCD
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Summary:An energy‐dispersive X‐ray absorption spectroscopy beamline mainly dedicated to X‐ray magnetic circular dichroism (XMCD) and material science under extreme conditions has been implemented in a bending‐magnet port at the Brazilian Synchrotron Light Laboratory. Here the beamline technical characteristics are described, including the most important aspects of the mechanics, optical elements and detection set‐up. The beamline performance is then illustrated through two case studies on strongly correlated transition metal oxides: an XMCD insight into the modifications of the magnetic properties of Cr‐doped manganites and the structural deformation in nickel perovskites under high applied pressure.
ISSN:1600-5775
0909-0495
1600-5775
DOI:10.1107/S0909049509041119