Bubble Formation in Sapphire Single Crystals
YAO Tai,HAN Jie-Cai,ZUO Hong-Bo,MENG Song-He,ZHANG Ming-Fu,LI Chang-Qing
Journal of Inorganic Materials . 2008, (3): 439 -442 .  DOI: 10.3724/SP.J.1077.2008.00439