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The influence of ball milling and subsequent calcination on the formation of LiFeO2

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Abstract

The influence of ball milling and subsequent calcination of a 1:1 molar mixture of α-Fe2O3 and Li2CO3 on the formation of LiFeO2 has been investigated. Pre-milling was found to lower the temperature of ferrite formation by ca. 200°C and a thermally stable γ-LiFeO2 phase was found to form in the temperature range 500–600°C. Slow cooling of the pre-milled mixture calcined at higher temperatures resulted in the formation of some LiFe5O8.

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Authors and Affiliations

  1. Department of Chemistry, The Open University, Walton Hall, Milton Keynes, MK7 6AA, UK

    H. M. Widatallah, C. Johnson & F. J. Berry

  2. Department of Physics, University of Khartoum, Khartoum, PO Box 321, 11115, Sudan

    H. M. Widatallah

Authors
  1. H. M. Widatallah
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  2. C. Johnson
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  3. F. J. Berry
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Correspondence to F. J. Berry.

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Widatallah, H.M., Johnson, C. & Berry, F.J. The influence of ball milling and subsequent calcination on the formation of LiFeO2 . Journal of Materials Science 37, 4621–4625 (2002). https://doi.org/10.1023/A:1020656618137

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