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Title: Mössbauer studies of nano-sized aluminum-substituted maghemites.
Authors: Costa, Geraldo Magela da
Grave, Eddy De
Bryan, A. M.
Bowen, L. H.
Issue Date: 1994
Citation: COSTA, G. M. da et al. Mössbauer studies of nano-sized aluminum-substituted maghemites. Hyperfine Interactions, v. 94, p. 1983-1987, 1994. Disponível em: <>. Acesso em: 20 abr. 2017.
Abstract: Several Al-maghemites prepared from Al-lepidocrocites have been studied by M6ssbauer spectroscopy from 6 to 300 K, and also at 4.2 K with an applied field of 6 T. A linear decrease in the A and B site fields at 4.2 K for samples containing up to 10% of aluminum suggests a limit for the substitution. The importance of applied-field measurements for a correct characterization of small-particle maghemite is also shown.
ISSN: 1572-9540
Appears in Collections:DEQUI - Artigos publicados em periódicos

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