Mossbauer study of brucite (Mg, Fe) (OH)2 |
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Authors: | Xu Binfu Chen Yilong |
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Institution: | (1) Department of Physics, Wuhan University, 430072 Wuhan, China |
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Abstract: | Mossbauer spectra of brucite mineral from Shanxi in China were measured over a temperature range from 12 K to 500 K. Each
spectrum consists of a dominant ferrous doublet and an additional ferric doublet. The most interesting result is the temperature
dependence of the line broadenings atT<400 K, with the negative velocity line always more broadened than the positive one. A possible explanation of these systematic
broadenings is the presence of a small magnetic perturbation in brucite.
Xu Binfu: born in 1955. Associate professer |
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Keywords: | Mossbauer effect brucite magnetic perturbation layered mineral |
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