Liu Xiao-Bing, Shi Xiang-Hua, Liao Tai-Chang, Ren Peng, Liu Yue, Liu Yi, Xiong Zu-Hong, Ding Xun-Min, Hou Xiao-Yuan. The microstructure and characteristics of luminescent porous silicon film prepared by the physicochemical sonic-vacating methodJ. Acta Physica Sinica, 2005, 54(1): 416-421. DOI: 10.7498/aps.54.416