Order parameter coupling in leucite: A calorimetric study

Helen Newton; Stuart A. Hayward; Simon A.T. Redfern

doi:10.1007/s00269-007-0193-3

Order parameter coupling in leucite: A calorimetric study

Helen Newton, Stuart A. Hayward^*, Simon A.T. Redfern

^*Corresponding author for this work

University of Cambridge

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

10 Citations (Scopus)

Abstract

The thermal anomalies associated with the Ia3d → I4₁/acd → I4₁/a transition sequence of phase transitions in leucite have been studied by differential scanning calorimetry and interpreted with Landau theory. Both transitions are close to the tricritical point. The coupling between the two transitions is biquadratic, and reduces the stability of the I4₁/a phase.

Original language	English
Pages (from-to)	11-16
Number of pages	6
Journal	Physics and Chemistry of Minerals
Volume	35
Issue number	1
DOIs	https://doi.org/10.1007/s00269-007-0193-3
Publication status	Published - Jan 2008
Externally published	Yes

ASJC Scopus Subject Areas

General Materials Science
Geochemistry and Petrology

Keywords

Calorimetry
Leucite
Phase transitions

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10.1007/s00269-007-0193-3

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abstract = "The thermal anomalies associated with the Ia3d → I41/acd → I41/a transition sequence of phase transitions in leucite have been studied by differential scanning calorimetry and interpreted with Landau theory. Both transitions are close to the tricritical point. The coupling between the two transitions is biquadratic, and reduces the stability of the I41/a phase.",

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year = "2008",

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AU - Hayward, Stuart A.

AU - Redfern, Simon A.T.

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AB - The thermal anomalies associated with the Ia3d → I41/acd → I41/a transition sequence of phase transitions in leucite have been studied by differential scanning calorimetry and interpreted with Landau theory. Both transitions are close to the tricritical point. The coupling between the two transitions is biquadratic, and reduces the stability of the I41/a phase.

KW - Calorimetry

KW - Leucite

KW - Phase transitions

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ER -

Order parameter coupling in leucite: A calorimetric study

Abstract

ASJC Scopus Subject Areas

Keywords

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