Reflection high-energy electron diffraction observation of GaAs surface-prepared ultrasonic running de-ionized water treatment
- 17 June 1991
- journal article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 58 (24), 2794-2796
- https://doi.org/10.1063/1.104764
Abstract
GaAs (001) surface ultrasonically cleaned under running de-ionized water (U-RDIW) is investigated by reflection high-energy electron diffraction (RHEED). The RHEED observations of U-RDIW-treated surfaces show a spotty (1×1) pattern at room temperature and a (2×1) streaky surface reconstruction pattern at 360 °C. The experimental results indicate that chemically clean and damage-free GaAs surfaces can be produced by U-RDIW treatment. We discuss surface structures before/after heating using a hydrogen- terminated model.Keywords
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