Material Loss and High Temperature Phase Transition in Lithium Ferrite

The morphology and kinetics of the phase transformations accompanying oxygen and lithium loss in LiFe5O8 were studied at 1200°C in air, in oxygen (P O2= 760 torr), and in vacuum (P= 5×10−5torr), using high‐voltage electron microscopy. LiFeO2 nucleated and grew in the LiFe5O8 matrix and finally trans...

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Bibliographic Details
Published in:Journal of the American Ceramic Society 1978-03, Vol.61 (3-4), p.121-126
Main Authors: MISHRA, RAJA K., VAN DER BIEST, OMER O., THOMAS, G.
Format: Article
Language:English
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Summary:The morphology and kinetics of the phase transformations accompanying oxygen and lithium loss in LiFe5O8 were studied at 1200°C in air, in oxygen (P O2= 760 torr), and in vacuum (P= 5×10−5torr), using high‐voltage electron microscopy. LiFeO2 nucleated and grew in the LiFe5O8 matrix and finally transformed to spinel in all three atmospheres; however, the kinetics of the transformation depended on the atmobphere. The dependence of these phase transformations on material loss is discussed.
ISSN:0002-7820
1551-2916
DOI:10.1111/j.1151-2916.1978.tb09253.x