Electric field control of phonon propert
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St. Kovachev; J.M. Wesselinowa
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Article
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2009
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Elsevier Science
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English
β 706 KB
The influence of an external electric field E is studied on the phonon properties of multiferroic BiFeO 3 and hexagonal RMnO 3 materials using a microscopic model and Green's function technique. The phonon energy decreases whereas the damping increases with enhancing of E.