Journal
JOURNAL OF CRYSTAL GROWTH
Volume 310, Issue 6, Pages 1029-1033Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jcrysgro.2007.12.038
Keywords
doping; p-type conduction; pulsed laser deposition; zinc compounds
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We report on Li-doped p-type Zn0.9Mg0.1O thin films grown by pulsed laser deposition. An optimal p-type conductivity is achieved at the substrate temperature of 550 degrees C, namely a resistivity of 45.4 Omega cm, a Hall mobility of 0.302 cm(2) V-1 s(-1), and a hole concentration of 4.55 x 10(17)cm(-3). Additionally, the p-type conductivity is stable over 5 months. From temperature-dependent photoluminescence, the energy level of Li-Zn acceptor is determined to be 167 meV above the valence band maximum. (C) 2007 Elsevier B.V. All rights reserved.
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