CAJ | 학술논문

采用改进的电子陶瓷工艺,制备了高密度Ba0.6Sr0.4TiO3热释电陶瓷样品.研究发现,在1 340 ℃下烧结的样品,其密度可达到理论密度的98.3%.室温下测得样品的介电损耗为0.2%.外加直流偏场对材料的介电和热释电性能影响显著.样品的场致热释电系数为3.4×10-8 C/cm2·℃,探测率优值为10.0×10-5 Pa-1/2.
채용개진적전자도자공예,제비료고밀도Ba0.6Sr0.4TiO3열석전도자양품.연구발현,재1 340 ℃하소결적양품,기밀도가체도이론밀도적98.3%.실온하측득양품적개전손모위0.2%.외가직류편장대재료적개전화열석전성능영향현저.양품적장치열석전계수위3.4×10-8 C/cm2·℃,탐측솔우치위10.0×10-5 Pa-1/2.
The Ba0.6Sr0.4TiO3 ceramics were prepared by improved electronic ceramics preparing process. The sample was obtained under the optimalized sintering temperature 1 340 ℃.The density could reach 98.3% of the theoretical density. At room temperature, the dielectric loss of the sample was 0.2%. The effects of DC field on the material's dielectric and pyroelectric property was obvious. The pyroelectric coefficient of the sample was 3.4×10-8 C/cm2·℃, the figure of merit of the sample was 10.0×10-5 Pa-1/2.