Kinetics of pressure-induced phase transitions
The action of pressure on solid molecular structures

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Kinetics of pressure-induced phase transitions


The action of pressure on solid molecular structures

Author : Jean-Pierre PETITET

Publication date: October 10, 2003 | Lire en français

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3. Kinetics of pressure-induced phase transitions

Historically, the classification of phase transitions has been based either on the rate of transformation or on the nature of the crystalline forms encountered (Ehrenfest). For pressure-induced phase transformations, it is perhaps more general to consider two categories of solid-solid transition :

  • displacive polymorphic transformations, for which the activation energy is relatively low and the transformation rather rapid. They occur at relatively low temperatures (ambient or...

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