Orientation of MgO Thin Films on Si(100) and GaAs(100) Prepared by Electron-Beam Evaporation
- 1 June 1994
- journal article
- Published by IOP Publishing in Japanese Journal of Applied Physics
- Vol. 33 (6A) , L793
- https://doi.org/10.1143/jjap.33.l793
Abstract
MgO thin films were prepared on Si(100) and GaAs(100) by electron-beam evaporation. MgO thin films with (100) orientation were obtained at 610°C with the deposition rate of 0.5 Å/s, and those with (111) orientation were obtained below 440°C with deposition rate higher than 8 Å/s, on Si substrates. (100) oriented MgO thin films, however, grew on Si at 440°C upon decreasing the deposition rate to 0.3 Å/s. MgO thin films with (100) orientation having cube-on-cube epitaxy were obtained on GaAs substrates at the temperature as low as 280°C even at the deposition rate of 1.4 Å/s.Keywords
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