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Department of Dielectrics

Institute of Physics of the Czech Academy of Sciences


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Theory and simulations

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Ferroelectric materials, films and heterostructures

The ferroelectrics host spontaneous ferroelectric polarization, which can be switched between several equivalent directions. As the polarization is usually strongly coupled to mechanical deformation, the switchichg can be achieved by either electic field or by application of pressure...

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Modelling of mesoscopically heterogeneous systems (effective medium)

For decades, understanding of mesoscopically heterogeneous systems is of a great interest from fundamental as well as from practical perspectives, mainly because great deal of the functional materials for applications are currently produced in the form of ceramics and composites...

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Relaxors and disordered ferroelectrics

We devote a lot of effort to understand the nanoscale phenomena in chemically disordered dielectric materials. These materials exhibit exceptionally large piezoelectric and dielectric responses and are therefore utilized in vast number of devices...

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Symmetry analysis of crystalline materials

The crucial role of symmetry considerations is well appreciated in contemporary physics, and it is extremely important in highly anisotropic crystalline materials ungergoing phase transitions, which we are generally interested in...

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Quantum criticality and quantum phase transitions

Quantum physics governs the dynamics of particles at microscopic distances and very low temperatures. If the coherence between the particles extends to macroscopic distances, the laws of quantum mechanics affect the global behavior of solids and may manifest itself in macroscopic effects such as phase transitions.

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