The paper presents the SbSI crystal electronic potential dependence on normal coordinates at Sb, S and I sites in paraelectric and ferroelectric phases. The symmetry of investigated normal mode is paraelectric phase B1u. The large anharmonicity of electronic potential suppose that SbSI exhibits an intermediate behaviour between displacive and order-disorder phase transition.
Ferroelectrics
Volume 150, 1993 - Issue 1
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Related Research Data
Origin of ferroelectric phase transition in SbOxS1−xI mixed crystals
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