1971
DOI: 10.5636/jgg.23.255
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Un calcul du paramètre cristallin des titanomagnétites oxydées

Abstract: A theoretical method of calculation of the lattice parameter of titanomagnetites, based on the concept of invariance of the distance "anion-cation" is presented. For the system Fe304-Fe2Ti04, experimental results obtained for synthetic titanomagnetites agree well with the theoretical curve if it is calculated by using the Akimoto model of cation distribution.Lines of equal lattice parameter between the joints Fe3O4-Ti Fe2O4 and Fe2O3-Fe TiO3 have been drawn by assuming that only the Fe3+ located in the Octaedr… Show more

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Cited by 14 publications
(1 citation statement)
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“…This pioneering observation led to a relatively complex magnetic model of low-temperature oxidation of magnetite, which is now widely accepted. Then, because the intrinsic characteristics of titanomaghemites were difficult to be established experimentally, Michel has developed a theoretical method for calculating their cristallographic parameters in collaboration with P. Poix (Prévot, 1971;Prévot and Poix, 1971). This method provides values consistent with the ones measured from artificial minerals synthesized in recent years.…”
Section: Michel Prévotmentioning
confidence: 99%
“…This pioneering observation led to a relatively complex magnetic model of low-temperature oxidation of magnetite, which is now widely accepted. Then, because the intrinsic characteristics of titanomaghemites were difficult to be established experimentally, Michel has developed a theoretical method for calculating their cristallographic parameters in collaboration with P. Poix (Prévot, 1971;Prévot and Poix, 1971). This method provides values consistent with the ones measured from artificial minerals synthesized in recent years.…”
Section: Michel Prévotmentioning
confidence: 99%