Iso-Structural Phase Transitions in BiFe
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James F. Scott
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Article
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2010
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John Wiley and Sons
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English
β 89 KB
π 2 views
**This essay discusses recent work on bismuth ferrite**, which reveals theoretically and experimentally a phase transition under stress that does not change symmetry but changes the c/a lattice constant ratio. As shown by Ishibashi, such transitions must be discontinuous and are described by free en