Synchrotron radiation multiple diffraction in the characterization of the PrAl2 magnetocaloric compound

Compounds RAl2 with Laves cubic type structure are examples of materials with considerable magnetocaloric effect values in the temperature range 65K-10K. X-ray multiple diffraction technique using synchrotron radiation is applied to characterize the PrAl2 magnetocaloric compound. Renninger scans (0-...

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Bibliographic Details
Published in:Journal of magnetism and magnetic materials 2004-05, Vol.272-276, p.2154-2156
Main Authors: dos Santos, A.O., Campoy, J.C.P., Coelho, A.A., Gama, S., Cardoso, L.P.
Format: Article
Language:English
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Summary:Compounds RAl2 with Laves cubic type structure are examples of materials with considerable magnetocaloric effect values in the temperature range 65K-10K. X-ray multiple diffraction technique using synchrotron radiation is applied to characterize the PrAl2 magnetocaloric compound. Renninger scans (0-scans) of the (002) primary reflection were measured in the Brazilian Synchrotron Laboratory (LNLS). The (5 3 3) (5 3 5) four-beam case provided a = 8.0277(5) A and the sample surface polishing effect was clearly observed through the measurement of Bragg-surface diffraction (BSD) peak and the mapping (MBSD) of its multiple diffraction condition.
ISSN:0304-8853
DOI:10.1016/j.jmmm.2003.12.872