新型热释电晶体低温相偏硼酸钡电学性能和它在高功率红外探测器中应用的可能性

本文首次介绍偏硼酸钡低温相β-BaB₂O₄晶体的电学性能。通过热释电系数、介电常数、损耗角、直流电阻率的实验研究,结合比热容和光透过率以及耐强辐照等测量,阐明此晶体在高功率红外探测器中应用的可能性。 关键词：

ELECTRICAL PROPERTIES OF A NEW PYROELECTRIC BARIUM METABORATE CRYSTAL IN LOW TEMPERA-TURE PHASES AND ITS POTENTIAL APPLICA-TION IN INFRARED PYROELECTRIC DETECTOR

We investigated systimatically the electrical properties of the barium metaborate crystal in low temperature phases and found a new type of pyroelectric crystal materials, the single crystal samples of which grew in our laboratory. According to experimental investigations on many of its physical propenties, such as the dicalectric constant, de-resistivity, loss angle, pyroelectric coefficient, Cp, as well as transparency, it may be expected that this material would be useful for application in high power infrared pyroelectric detectors.