A STUDY OF TITANIA AND DOPED IRON TRIOXIDE ULTRAFINE POWDERS BY SURFACE PHOTOVOLTAGE SPECTROSCOPY
ZHANG CHI-MING, LIU WANG, HAN MING-YONG, LI TIE-JIN, XIAO LIANG-ZHI
Imaging Science and Photochemistry . 1991, (3): 225 -228 .  DOI: 10.7517/j.issn.1674-0475.1991.03.225