Growth and Optical Properties of Nonpolar (10(1)over-bar0) Zn1-xCoxO Epitaxial Film on a gamma-LiAlO2 Substrate
Resource
Chemical Vapor Deposition, 17(4-6), 88-92
Journal
Chemical Vapor Deposition
Journal Volume
17
Journal Issue
4-6
Pages
88-92
Date Issued
2011
Date
2011
Author(s)
Wu, Jih-Jen
Lin, Sian-Jhang
Lin, Wan-Hsien
Chou, Mitch M.C.
Chang, Liuwen
Hwang, Ten-Hsing
Chuang, Chia-Hao
Abstract
Nonpolar (1010) Zn1-xCoxO films are grown on γ-LiAlO2(100) substrates by CVD. X-ray diffraction (XRD), transmission electron microscopy (TEM), and X-ray photoelectron spectroscopy (XPS) results reveal that Co atoms become incorporated into the ZnO film via a substitution for Zn, when x≤0.15. The epitaxial relationships between the nonpolar Zn1-xCoxO film and γ-LiAlO2 substrate are [0001]ZnCoO ∥[010]LAO and [1010] ZnCoO∥[100]LAO, as determined by TEM. A decrease in the optical band-gap of the nonpolar Zn1-xCoxO film with increasing Co content is observed in absorption measurements. Copyright © 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
Type
journal article
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