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C. R. Gorla, W. E. Mayo, S. Liang and Y. Lu, “Structure and Interface-Controlled Growth Kinetics of ZnAl2O4 Formed at the (110) ZnO/(012) Al2O3 Interface,” Journal of Applied Physics, Vol. 87, No. 8, 2000, pp. 3736-3743. doi:10.1063/1.372454

has been cited by the following article:

  • TITLE: Structural, Morphological, Optical and Electrical Properties of Zn(1-x)CdxO Solid Solution Grown on a- and r-Plane Sapphire Substrate by MOCV

    AUTHORS: Afif Fouzri, Mohamed Amine Boukadhaba, Al Housseynou Tauré, Nawfel Sakly, Amor Bchetnia, Vincent Sallet

    KEYWORDS:

    JOURNAL NAME: Journal of Crystallization Process and Technology, Vol.3 No.1, January 28, 2013

    ABSTRACT: Zn(1-x)CdxO films have been grown on (a-plane) and (r-plane) sapphire substrate by metal organic chemical vapor deposition. A maximum cadmium incorporation of 8.5% and 11.2% has been respectively determined for films deposited on a- and r-plane sapphire. The optical transmission spectra and energy band-gap equation established by Makino et al. were used to estimate the cadmium mole fraction of the solid solutions. Structural, morphological and optical properties of these films were examined using high resolution X-ray diffraction (HRXRD), atomic force microscopy (AFM) and room and low temperature photoluminescence (Pl) as Cd incorporation and employed substrate. X-ray diffraction study revealed that all films had wurtzite phase but solid solution grown on a-plane sapphire are polycrystalline with a preferred orientation along the [0001] direction and a-plane film are epitaxially grown on r-plane sapphire. AFM image show significant differences between morphologies depending on orientation sapphire substrate but no significant differences on surface roughness have been found. The near band-edge photoluminescence emission shifts gradually to lower energies as Cd is incorporated and reaches 2.916 eV for the highest Cd content (11.2%) at low temperature (20 K). The room temperature hall mobility decreases with the Cd incorporation but it is larger for Zn(1-x)CdxO grown on r-plane sapphire.