Improper ferroelectricity in hexagonal tungsten bronzes

We address the detailed atomistic mechanism of ferroelectricity in a new family of oxides typified by the composition CsNbW2O9. Contrary to the mechanism in most ferroelectrics,...本研究针对以组分CsNbW₂O₉为典型代表的新型氧化物家族中铁电性（Ferroelectricity）的原子级精细机理展开探讨。与绝大多数铁电材料的铁电性机理相悖的是，……