Physical Properties of Functional Ceramics


A variety of properties of functional ceramics, such as ion conductivity, dielectric properties and negative thermal expansion (see the figure), originates in motions of constituent particles (atoms or ions). Since structural phase transitions arising from them often affect strongly the functionality, its control is crucial as a basic step to develop new functional ceramics.

Aiming at control of structural phase transitions, lattice and other properties and phase transition mechanism are studied from a thermodynamic point of view.

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