This content has been downloaded from IOPscience. Please scroll down to see the full text. Download details: IP Address: 150.140.169.50 This content was downloaded on 26/02/2015 at 08:11 Please note that terms and conditions apply. Photostructural changes in amorphous semiconductors studied by the modulated photocurrent method View the table of contents for this issue, or go to the journal homepage for more 1999 J. Phys.: Condens. Matter 11 9105 (http://iopscience.iop.org/0953-8984/11/46/312) Home Search Collections Journals About Contact us My IOPscience