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Bandgap and effective mass of epitaxial cadmium oxide \ud

By Paul Harvey Jefferson, S. A. Hatfield, T. D. (Tim D.) Veal, Philip David King, C. F. (Chris F.) McConville, J. Zúñiga-Pérez and V. Muñoz-Sanjosé

Abstract

The bandgap and band-edge effective mass of single crystal cadmium oxide, epitaxially grown by metal-organic vapor-phase epitaxy, are determined from infrared reflectivity, ultraviolet/visible absorption, and Hall effect measurements. Analysis and simulation of the optical data, including effects of band nonparabolicity, Moss-Burstein band filling and bandgap renormalization, reveal room temperature bandgap and band-edge effective mass values of 2.16±0.02 eV and 0.21±0.01m0 respectively

Topics: TK, QC
Publisher: American Institute of Physics
Year: 2008
OAI identifier: oai:wrap.warwick.ac.uk:966

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