Electronic structure of antimony-doped tin oxide
- 15 May 1995
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 51 (20), 13972-13976
- https://doi.org/10.1103/physrevb.51.13972
Abstract
The electronic structure and associated properties of antimony-doped tin (IV) oxide have been studied using both the self-consistent-field scattered-wave molecular-orbital cluster approach and the augment- ed-spherical-wave supercell band-structure approach. The calculated molecular-orbital energy eigenvalues and wave functions have been used to interpret several interesting optoelectronic properties of this defect semiconductor. The nature and origin of the energy gap from optical-absorption studies and the valence-band structure from ultraviolet photoelectron spectroscopy (UPS) have been satisfactorily explained using the band structure of pure and antimony-doped tin oxide. It is observed that the antimony ion leads to an impurity band in the band gap and increases the forbidden gap of the host material. This partially filled free-electron-like band is the origin of the UPS peak near the band edge whose intensity grows with the dopant concentration.Keywords
This publication has 20 references indexed in Scilit:
- Antimony-doped tin(IV) oxide: Surface composition and electronic structureJournal of Solid State Chemistry, 1984
- Surface properties of antimony doped tin(IV) oxide: A study by electron spectroscopySurface Science, 1982
- Free-electron behaviour of carriers in antimony-doped tin(IV) oxide: A study by electron spectroscopySolid State Communications, 1982
- Electronic structure of SnO2, GeO2, PbO2, TeO2and MgF2Journal of Physics C: Solid State Physics, 1979
- Acidic and basic properties of mixed tin–antimony oxidesJournal of the Chemical Society, Faraday Transactions 1: Physical Chemistry in Condensed Phases, 1979
- Physical Properties of SnO2 Materials: III . Optical PropertiesJournal of the Electrochemical Society, 1976
- Physical Properties of SnO2 Materials: II . Electrical PropertiesJournal of the Electrochemical Society, 1976
- Physical Properties of SnO2 Materials: I . Preparation and Defect StructureJournal of the Electrochemical Society, 1976
- Energy bands in stannic oxide (SnO2)Journal of Physics and Chemistry of Solids, 1974
- Oxidation of Propylene over the Tin-Antimony Oxide Catalysts. I. Dependency of Acrolein Formation on the Composition of Catalyst and Calcination ConditionsBulletin of the Chemical Society of Japan, 1967