Preparation and Characterization of Free-standing Porous Silicon Films with High Porosity
Xu Dong-Sheng, Guo Guo-Lin, Gui Lin-Lin, Zhang Bo-Rui, Qin Guo-Gang
Acta Phys. -Chim. Sin. . 1998, (07): 577 -580 .  DOI: 10.3866/PKU.WHXB19980701