TITLE

Mg composition dependent strain analysis in nonpolar a-plane MgxZn1-xO films

AUTHOR(S)
Saraf, G.; Lu, Y.; Siegrist, T.
PUB. DATE
October 2008
SOURCE
Applied Physics Letters;10/13/2008, Vol. 93 Issue 15, p151907
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Nonpolar a-plane (1120) MgxZn1-xO (a-MgxZn1-xO) films are deposited on (0112) r-sapphire substrates using metalorganic chemical vapor deposition with varying Mg composition (x from 0 to 0.25). Unit cell parameters with Mg composition are determined by high-resolution triple-axis x-ray diffraction. In-plane strain along the c-axis [0001] and m-axis [1100] in the films is anisotropic and increases with increasing Mg composition. The in-plane strain anisotropy changes with Mg composition in a-MgxZn1-xO. Calculations are carried out to determine the influence of Mg content on the residual interfacial strain.
ACCESSION #
34984755

 

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