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Title: Formation and annealing of micropores in hematite.
Authors: Dauwe, C.
Costa, Geraldo Magela da
Van Hoecke, T.
Segers, D.
Issue Date: 1995
Citation: DAUWE, C. et al. Formation and annealing of micropores in hematite. Acta Physica Polonica A, v. 88, p. 119-123, 1995. Disponível em: <>. Acesso em: 20 abr. 2017.
Abstract: In iron oxide powders positrons are trapped in the surface layers and the value of the S-parameter is an indicator of the total specific surface, including external surface and internal surfaces of micropores. The evolution of micropores is followed when α-FeOOH is thermally decomposed into α-Fe2O3 . It is shown that the micropore formation is not linked to the decomposition process, but that they also form in hematite synthesized from a ferrihydrite precursor in aqueous solution.
ISSN: 1898-749X
Appears in Collections:DEQUI - Artigos publicados em periódicos

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