MgO epitaxial thin films on (100) GaAs as a substrate for the growth of oriented PbTiO3

Epitaxial MgO thin films were grown on (100) GaAs substrates by reactive rf magnetron sputtering. Coupled x-ray diffraction, off-axis φ scan, and transmission electron microscopy indicated in-plane alignment of the MgO film with the GaAs substrate such that MgO[100]∥GaAs[100]. PbTiO3 ferroelectric t...

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Veröffentlicht in:	Applied physics letters 1992-06, Vol.60 (25), p.3105-3107
Hauptverfasser:	Hsu, Wei-Yung, Raj, Rishi
Format:	Artikel
Sprache:	eng
Schlagworte:	Condensed matter: structure, mechanical and thermal properties Exact sciences and technology Physics Solid surfaces and solid-solid interfaces Surface and interface dynamics and vibrations Surfaces and interfaces thin films and whiskers (structure and nonelectronic properties) Thin film structure and morphology
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Zusammenfassung:	Epitaxial MgO thin films were grown on (100) GaAs substrates by reactive rf magnetron sputtering. Coupled x-ray diffraction, off-axis φ scan, and transmission electron microscopy indicated in-plane alignment of the MgO film with the GaAs substrate such that MgO[100]∥GaAs[100]. PbTiO3 ferroelectric thin films, grown on this MgO surface, were found to be oriented with PbTiO3{100}∥ MgO(001)∥ GaAs(001) and PbTiO3〈100〉∥ MgO[100]∥ GaAs[100].
ISSN:	0003-6951 1077-3118
DOI:	10.1063/1.106766