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Theory of displacive phase transitions in minerals
Theory of displacive phase transitions minerals
2012/4/1
Alattice-dynamicaltreatmentofdisplacivephasetransitionsleadsnaturallytothesoft-
modemodel,inwhichthephase-transitionmechanisminvolvesaphononfrequencythat
fallstozeroatthetransitiontemperature.Thebas...
Memory effects of domain structures during displacive phase transitions: A high-temperature TEM study of quartz and anorthite
Memory effects domain structures displacive phase transitions high-temperature TEM study of quartz anorthite
2012/4/1
Memory effects ass~iated with the Dauphine twins in a quartz and the c-antiphase
domains (c-APDs) in PI anorthite have been investigated by in situ hot-stage transmission
electron microscopy (TEM). ...
Displacive phase transition in anorthoclase: The "plateau effect" and the effect of T1-T2 ordering on the transition temperature
Displacive phase transition anorthoclase plateau effect T1-T2 transition temperature
2012/4/9
The effects of compositional changes and nonsymmetry-breaking AI-Siordering onthe displacive phase transition in anorthoclase have been studied using X-ray powder diffrac-tion. The results wereanalyze...