Growth and structural properties of m-plane ZnO on MgO (001) by molecular beam epitaxy

Autor:	J. W. Lee, Jamie Phillips, S. K. Hong, J. Y. Lee, Weiming Wang, E. Cagin, J. Yang
Rok vydání:	2008
Předmět:	Crystallography Materials science Physics and Astronomy (miscellaneous) Transmission electron microscopy X-ray crystallography Crystal growth Texture (crystalline) High-resolution transmission electron microscopy Pulsed laser deposition Molecular beam epitaxy Wurtzite crystal structure
Zdroj:	Applied Physics Letters. 92:233505
ISSN:	1077-3118 0003-6951
DOI:	10.1063/1.2940305
Popis:	The growth of wurtzite ZnO on cubic MgO (001) substrates by molecular beam epitaxy is reported. ZnO epilayers exhibit the nonpolar m-plane orientation based on x-ray diffraction and transmission electron microscopy analysis. Comparative studies of ZnO grown by pulsed laser deposition on MgO (001) result in preferred growth in the polar c-plane orientation. Investigation by high resolution transmission electron microscopy confirms an abrupt ZnO∕MgO interface and monolayer spacing consistent with m-plane growth of ZnO. X-ray diffraction pole figures indicate two preferred rotational domains in-plane with a twist angle of 30°.
Databáze:	OpenAIRE
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