Abstract: Ferroelectricity on the nanoscale has remained a subject of much fascination in condensed matter physics for the last several decades. It is well-recognized that stability of the ferroelectric state necessitates effective polarization screening, and hence screening mechanism and screening charge dynamics become strongly coupled to ferroelectric phase stability and domain behavior. Previously, the role of the screening charge in macroscopic ferroelectrics was observed in phenomena such as potential retention above Curie temperature, back switching of ferroelectric domains, and chaos...
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Semináře sekce
Úterý, 16.01.2018 10:00
Sergei V. Kalinin (The Center for Nanophase Materials Sciences, Oak Ridge National Laboratory, Oak Ridge, TN 37831)
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