Preparation of 3d transition metal-doped sulfide glasses

Abstract

We prepared sulfide glasses with the compositions of 60Ga₂S₃ 10GeS₂ 30La₂S₃ and 70GeS₂ 30Sb₂S₃ glasses doped with various kinds of 3d transition metals. The absorption spectra of these glasses were measured in the range from UV to far infrared region. The spectra revealed that the iron, cobalt, and nickel are present in divalent ions at tetrahedral sites in these glasses. A broad emission band was also observed around 2.5 to 5.5 μm for Ni-doped 70GeS₂ 30Sb₂S₃ glass by the excitation at 768 nm.