低温偏硼酸钡(BBO)单晶包裹物的X射线形貌衬度

X-RAY TOPOGRAPHIC CONTRAST OF INCLUSIONS IN THE CRYSTAL OF LOW TEMPERATURE FORM BARIUM BORIC OXIDE

本文叙述低温相偏硼酸钡β-BaB_2O_4(BBO)单晶包裹物的两套等三角锥形X射线形貌衬度,并且讨论了其衬度的主要来源。

The inclusion contrast in the crystal of low temperature form barium boric oxide (BBO) has been studied by use of X-ray topography. Two types of contrasts arranged in equi-triangular cones have been observed experimentally, and believed to be due to the atomic displacemens of Ba.