Laser direct writing of single-crystal III-V compounds on GaAs
- 6 October 1986
- journal article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 49 (14) , 880-882
- https://doi.org/10.1063/1.97523
Abstract
Laser selective chemical vapor deposition and direct writing of GaAs and its ternary alloys with P have been achieved on GaAs substrates. An Ar+ laser is used to locally heat areas where selective deposition is desired on a substrate which is uniformly biased to a temperature in the range of 25–500 °C. Epitaxial growth was achieved by carefully controlling the deposition parameters to reach growth rates low enough, typically 20 Å/s, for the reaction kinetics of the pyrolitic process to take place. Cross-sectional transmission electron microscopy and photoluminescence results indicate that the quality of the deposited material is comparable to that grown with the conventional metalorganic chemical vapor deposition technique.Keywords
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