Laboratoire d'Etude et de Caracterisation des Amorphes et des Polymeres, Faculte des Science, Universite de Rouen, 76821 Mont Saint Aignan Cedex, France
Preferred Abstract (Original):
X-ray photoelectron spectroscopy measurements have been performed on n-type Bi-modified Ge20S64Bi16 glass. The observed chemical shifts show that Bi is incorporated as a positive charged center into the matrix of Ge20S80 parent glass.