RF-magnetron sputtered lanthanum aluminate buffer layers on silicon
- 1 August 1991
- journal article
- Published by IOP Publishing in Superconductor Science and Technology
- Vol. 4 (8) , 371-373
- https://doi.org/10.1088/0953-2048/4/8/010
Abstract
Optimization of the preparation conditions of in situ highly textured thin films of LaAlO3 on silicon (100) substrates, by planar RF-magnetron sputtering, was investigated. The parameters which have been considered for this optimization include: substrate temperature (T), gas pressure (P), the ratio of flow of oxygen to argon O2/Ar (all during sputtering of the layer), and the deposition power. Furthermore, different precleaning and oxidation treatments were applied to the silicon surface in order to remove the amorphous layer of the silicon native oxide (SiO2). This was to enhance epitaxial growth of LaAlO3 layers on silicon.Keywords
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