| Issue |
J. Phys. IV France
Volume 07, Number C1, Mars 1997
7th INTERNATIONAL CONFERENCE ON FERRITES
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|---|---|---|
| Page(s) | C1-185 - C1-186 | |
| DOI | https://doi.org/10.1051/jp4:1997168 | |
7th INTERNATIONAL CONFERENCE ON FERRITES
J. Phys. IV France 07 (1997) C1-185-C1-186
DOI: 10.1051/jp4:1997168
Physical-Technical Institute, UrB, RAS Kirov Street 132, 426000 Izhevsk, Russia
© EDP Sciences 1997
J. Phys. IV France 07 (1997) C1-185-C1-186
DOI: 10.1051/jp4:1997168
Gas Phase Composition over Y3Fe5O12
O.Yu. Goncharov, Yu.P. Vorobiov and O.V. CarbanPhysical-Technical Institute, UrB, RAS Kirov Street 132, 426000 Izhevsk, Russia
Abstract
The account of the gas phase composition over Y3Fe5O12 in dependence on temperature and partial pressure of oxygen Po2 at the total pressure in system P = 105 Pa was performed with the use of the program Astra.4. Polynomials was offered for account of heats capacities Cp(T) solid solutions Ln3-cLncFe5O12 (Ln : Lanthanide Elements and Y). It is shown, that dissociation of garnet results in formation in gas phase of substances : Fe, FeO, YO2, O, O2, over 900 K and at further increase of temperature in addition will be formed : Fe+, YO YO+. The presence of FeO (that is ions Fe2+) in gas phase is one more proof of reaction :
Y3Fe5O12 → 3/2 O2 + 3 V0 + 6 Fe.
© EDP Sciences 1997