The Influence of Mechanical Milling and Subsequent Calcination on the Formation of Lithium Ferrites

Author： Widatallah H.M.   Berry F.J.  

Publisher： Academic Press

ISSN： 0022-4596

Source： Journal of Solid State Chemistry, Vol.164, Iss.2, 2002-03, pp. : 230-236

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Abstract

The influence of ball milling and subsequent calcination of a 2.5:1 molar mixture of α-Fe2O3 and Li2CO3 on the formation of lithium ferrites has been investigated. Premilling was found to considerably lower the temperature at which the lithium ferrites LiFeO2 and LiFe5O8 are formed. A β-to-α phase transition in LiFe5O8 was found to take place on cooling from ca. 1000°C depending on the milling history and cooling regime. © 2002 Elsevier Science (USA).

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