4.6 Article

Bandgap and effective mass of epitaxial cadmium oxide

Journal

APPLIED PHYSICS LETTERS
Volume 92, Issue 2, Pages -

Publisher

AMER INST PHYSICS
DOI: 10.1063/1.2833269

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Funding

  1. Engineering and Physical Sciences Research Council [EP/E010210/1] Funding Source: researchfish
  2. EPSRC [EP/E010210/1] Funding Source: UKRI

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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 +/- 0.01m(0) respectively. (c) 2008 American Institute of Physics.

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