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Mössbauer and X-ray diffraction studies in Morin transition on tabular hematites |
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| Authors: | G. M. da Costa E. Galvão da Silva M. F. de Jesus Filho |
| Affiliation: | (1) Departamento de Química, Universidade Federal de Minas Gerais, 31270 Belo Horizonte, MG, Brazil;(2) Departmento de Física, Universidade Federal de Minas Gerais, 31270 Belo Horizonte, MG, Brazil |
| Abstract: | Several synthetic hematites have been analysed by X-ray diffraction and Mössbauer spectroscopy. They have tabular shape and their Morin transition at 85 K show a dependence on the ratio (R) of the sizes inc anda directions. The Morin transition has been observed for samples withR=0.43±0.05. |
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