Yttrium iron garnet and Y, Fe binary oxides synthesized by microwave monomode energy transfer

Polycrystalline yttrium iron garnet (YIG) has been synthesized from Y 2O 3/Fe 3O 4 mixtures at a low temperature (below 900 K) in a few minutes by using microwave monomode at ambient atmosphere. Yttrium orthoferrite YFeO 3 and surprisingly YFe 2O 4 have also been synthesized. Under conventional soli...

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Bibliographic Details
Published inJournal of alloys and compounds Vol. 262; pp. 275 - 280
Main Authors Ostoréro, J., Gasgnier, M., Petit, A.
Format Journal Article
LanguageEnglish
Published Elsevier B.V 14.11.1997
Subjects
Microwave
Synthesis
YFe 2O 4
Yttrium iron garnet
Microwave
YFe 2O 4
Yttrium iron garnet
Synthesis
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Summary:Polycrystalline yttrium iron garnet (YIG) has been synthesized from Y 2O 3/Fe 3O 4 mixtures at a low temperature (below 900 K) in a few minutes by using microwave monomode at ambient atmosphere. Yttrium orthoferrite YFeO 3 and surprisingly YFe 2O 4 have also been synthesized. Under conventional solid state reactions all these Y, Fe binary oxides are synthesized at a much higher temperature and under low partial oxygen pressure in the case of YFe 2O 4. We discuss briefly this apparent discrepancy. The MW method was equally extended to the synthesis of a scandium-doped YIG compound. This demonstrates the interest of this method for the syntheses of inorganic compounds.
ISSN:0925-8388
1873-4669
DOI:10.1016/S0925-8388(97)00397-6