title: Optical properties of bismuth tellurite based glass.
abstract: A series of binary tellurite based glasses (Bi(2)O(3))(x) (TeO(2))(100-) (x) was prepared by melt quenching method. The density, molar volume and refractive index increase when bismuth ions Bi(3+) increase, this is due to the increased polarization of the ions Bi(3+) and the enhanced formation of non-bridging oxygen (NBO). The Fourier transform infrared spectroscopy (FTIR) results show the bonding of the glass sample and the optical band gap, E(opt) decreases while the refractive index increases when the ion Bi(3+) content increases.
authors.affiliation: Physics Department, Faculty of Science, University Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia.
authors.forename: Hooi Ming
authors.initials: HM
authors.lastname: Oo
authors.affiliation: Physics Department, Faculty of Science, University Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia.
authors.forename: Halimah
authors.initials: H
authors.lastname: Mohamed-Kamari
authors.affiliation: Physics Department, Faculty of Science, University Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia.
authors.forename: Wan Mohd Daud
authors.initials: WMD
authors.lastname: Wan-Yusoff
mesh_terms: D001729:Bismuth / Q000737:chemistry*; D005898:Glass / Q000737:chemistry*; D055620:Optical Phenomena; D012031:Refractometry; D017550:Spectroscopy, Fourier Transform Infrared; D013691:Tellurium / Q000737:chemistry*
chemical_list: C542787:bismuth telluride; D013691:Tellurium; D001729:Bismuth