Atomic Layer Control of SrCuOx and Layer-By-Layer Growth of Bi2Sr2Can-1CunO2n+4 (n=1 to 5) on SrTiO3 (100) by Laser Molecular-Beam-Epitaxy
- 1 March 1992
- journal article
- Published by IOP Publishing in Japanese Journal of Applied Physics
- Vol. 31 (3B) , L331
- https://doi.org/10.1143/jjap.31.l331
Abstract
The growth of SrCuO x thin layer and Bi2Sr2Ca n-1Cu n O2n+4 on SrTiO3 (100) substrate has been studied. When Sr and Cu are supplied simultaneously to the substrates to form SrCuO x , either a SrO or CuO2 layer can form the surface layer depending upon the composition of the substrate surface. By the successive supply of the subunit-cell layers of Bi2Sr2Ca n-1Cu n O2n+4, the structures with n=1 to 5 are formed. The reflection high energy electron diffraction pattern shows streaks all through the growth, indicating two-dimensional layer growth in all the steps controlled within the monolayer accuracy.Keywords
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