Improper ferroelectricity in hexagonal tungsten bronzes

Ferroelectrics are an important class of materials in modern electronics. Their application range from simple capacitors to ultrasonics transducers and sensors to memory...铁电体（Ferroelectrics）是现代电子学领域一类至关重要的材料。其应用范畴涵盖从简易电容器、超声换能器（ultrasonics transducers）与传感器，乃至存储器等诸多领域……