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Type: Artigo de periódico
Title: Antiferromagnetism In α-li3fe2(po4)3
Author: Zarestky J.L.
Vaknin D.
Chakoumakos B.C.
Rojo T.
Goi A.
Barberis G.E.
Abstract: Neutron diffraction techniques have been used to determine the magnetic structure of Fe in monoclinic α-Li3Fe2(PO4)3. Rietveld analysis of the room temperature powder diffraction pattern confirms the monoclinic structure of the sample and is in agreement with previous studies. At low temperatures a paramagnetic to antiferromagnetic transition is observed at TN = 30.0K. Our analysis shows that at T = 4K the two inequivalent Fe sites have antiparallel magnetic moments that are aligned along the a-axis. The average magnetic moment, gS = 5.0μB indicates homogeneous Fe3+ (S = 5/2). © 2001 Elsevier Science B.V. All rights reserved.
Rights: fechado
Identifier DOI: 10.1016/S0304-8853(01)00425-5
Date Issue: 2001
Appears in Collections:Unicamp - Artigos e Outros Documentos

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