The magnetic susceptibilities of LiFeO2

J. C. Anderson; S. K. Dey; V. Halpern

doi:10.1016/0022-3697(65)90056-9

The magnetic susceptibilities of LiFeO₂

J. C. Anderson
, S. K. Dey
, V. Halpern

Imperial College London

Research output: Contribution to journal › Article › peer-review

23 Scopus citations

Abstract

The temperature and field dependence of susceptibility for α, β and γ phases of LiFeO₂ have been measured. Transition temperatures are observed at 42°K for α and β and at 295°K for γ phases, which are identified as Néel temperatures. The temperature dependence of susceptibility curves show departures from Curie-Weiss behaviour for each phase. This is explained in terms of short-range ordering of Fe and Li ions in the cases of α and β. The γ structure is ordered and the Weiss molecular field theory is applied to it, using a 16-sublattice model. The results of the calculation illustrate the limitations of the Weiss model in this structure.

Original language	English
Pages (from-to)	1555-1560
Number of pages	6
Journal	Journal of Physics and Chemistry of Solids
Volume	26
Issue number	9
DOIs	https://doi.org/10.1016/0022-3697(65)90056-9
State	Published - Sep 1965
Externally published	Yes

Bibliographical note

Funding Information:
Acknowledgements--It is a pleasure to acknowledge the contribution of M. SCHIEBER, who initiated the research and supplied the samples. One of the authors (V. HALPERN) was supported by a grant from the Worshipful Company of Clothworkers of the City of London.

Funding

Acknowledgements--It is a pleasure to acknowledge the contribution of M. SCHIEBER, who initiated the research and supplied the samples. One of the authors (V. HALPERN) was supported by a grant from the Worshipful Company of Clothworkers of the City of London.

Funders
Worshipful Company of Clothworkers of the City of London

Access to Document

10.1016/0022-3697(65)90056-9

Cite this

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title = "The magnetic susceptibilities of LiFeO2",

abstract = "The temperature and field dependence of susceptibility for α, β and γ phases of LiFeO2 have been measured. Transition temperatures are observed at 42°K for α and β and at 295°K for γ phases, which are identified as N{\'e}el temperatures. The temperature dependence of susceptibility curves show departures from Curie-Weiss behaviour for each phase. This is explained in terms of short-range ordering of Fe and Li ions in the cases of α and β. The γ structure is ordered and the Weiss molecular field theory is applied to it, using a 16-sublattice model. The results of the calculation illustrate the limitations of the Weiss model in this structure.",

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note = "Funding Information: Acknowledgements--It is a pleasure to acknowledge the contribution of M. SCHIEBER, who initiated the research and supplied the samples. One of the authors (V. HALPERN) was supported by a grant from the Worshipful Company of Clothworkers of the City of London.",

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AU - Anderson, J. C.

AU - Dey, S. K.

AU - Halpern, V.

N1 - Funding Information: Acknowledgements--It is a pleasure to acknowledge the contribution of M. SCHIEBER, who initiated the research and supplied the samples. One of the authors (V. HALPERN) was supported by a grant from the Worshipful Company of Clothworkers of the City of London.

PY - 1965/9

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N2 - The temperature and field dependence of susceptibility for α, β and γ phases of LiFeO2 have been measured. Transition temperatures are observed at 42°K for α and β and at 295°K for γ phases, which are identified as Néel temperatures. The temperature dependence of susceptibility curves show departures from Curie-Weiss behaviour for each phase. This is explained in terms of short-range ordering of Fe and Li ions in the cases of α and β. The γ structure is ordered and the Weiss molecular field theory is applied to it, using a 16-sublattice model. The results of the calculation illustrate the limitations of the Weiss model in this structure.

AB - The temperature and field dependence of susceptibility for α, β and γ phases of LiFeO2 have been measured. Transition temperatures are observed at 42°K for α and β and at 295°K for γ phases, which are identified as Néel temperatures. The temperature dependence of susceptibility curves show departures from Curie-Weiss behaviour for each phase. This is explained in terms of short-range ordering of Fe and Li ions in the cases of α and β. The γ structure is ordered and the Weiss molecular field theory is applied to it, using a 16-sublattice model. The results of the calculation illustrate the limitations of the Weiss model in this structure.

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