Temperature dependence of the mössbauer effect in iron uranyl phosphate期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Temperature dependence of the mössbauer effect in iron uranyl phosphate

Authors:	E. De Grave R. Vochten

Affiliation:	(1) Laboratory of Magnetism, Gent State University, Proeftuinstraat 86, B-9000 Gent, Belgium;(2) Laboratory of Physical and Chemical Mineralogy, Antwerp State University, Middelheimlaan 1, B-2020 Antwerpen, Belgium

Abstract:	Two samples of iron uranyl phosphate have been studied with the⁵⁷Fe Mössbauer effect technique as a function of temperature between 80 and 300 K. The samples clearly contain about 10% ferric ions relative to total iron. The ferrous hyperfine parameters exhibit unusual variations in the temperature region 240–260 K which are ascribed to a transition from an ordered to a quasi-liquid state of the water layer.

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