The results indicate that highfrequency dielectric relaxation of the ferroelectric ceramics is caused by piezoelectric resonance of domains.
实验研究表明，铁电陶瓷的高频介电弛豫主要是由材料内部的畴壁共振引起的。
2
The high turn-on frequency permission selects the small superficial ceramics electric capacity, may save the board level area, reduce the cost and to reduce the output voltage ripple.
高的开关频率允许选用小的表面瓷陶电容，可节省板级面积、降低成本和减小输出电压纹波。
3
The effect of grain size on highfrequency dielectric properties of PbTiO_3 based ceramics prepared by sol-gel process was studied.