Ba/Co Codoped KNN Ceramics

Slow cooling stabilizes ferroelectricity

Slow cooling yields superior dielectric and ferroelectric properties and raises the ferroelectric-paraelectric phase transition temperature by 11 K.

Jiaxun, Liu · Jielin, Zha · Yulong, Yang · Lü, Xiaomei · Hu, Xueli · Yan, Shuo · Zijing, Wu · Huang, Fengzhen

Chinese Physics Letters 2024

Advantages

Ferroelectric-paraelectric phase transition temperature raised by 11 K

Dielectric and ferroelectric properties superior to rapidly cooled samples

Heat treatment reversibly modulates oxygen vacancy content