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Published online by Cambridge University Press: 28 February 2011
CaF2 is an insulator with a number of attractive properties for epitaxial growth on Si1 Epitaxial CaF2 layers have been grown on Si(111) by Molecular Beam Epitaxy and are found to have smooth surfaces and a high degree of crystalline perfection.1 For applications such as a gate insulator in metal-insulator-semiconductor field-effect transistors or in silicon-on-insulator technology, the electrical properties of these layers are also critical.