First Author:Yu Qiu
Date of Publication:2007-01-01
Journal:New Journal of Physics
Affiliation of Author(s):数理与信息工程学院
Document Type:期刊
Volume:Vol.9
Issue:NO.9
ISSN No.:1367-2630
Abstract:Ultraviolet light induces ferroelectric domains in SrTiO 3  at low temperatures. The ferroelectric domains are related to anharmonic soft modes of the crystal. We show the sextic anharmonicity is the lowest order for the soft mode to give rise to ferroele
Translation or Not:no