Abstract
A device-quality GaAs monocrystalline films were fabricated on AlN polycrystalline films. The X-ray characterization reveals that the (001) preferential orientated AlN thick films with very low stress can be grown by DC reactive sputtering. The photothermal deflection spectroscopic measurements of the GaAs-on-AlN composite material show that a reasonably high thermal conductivity can be obtained. Hall measurements and I-V characteristics of Schottky diodes show that the epi-GaAs films on AlN thick films have similar electric properties of bulk materials.
Original language | English (US) |
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Pages (from-to) | 177-182 |
Number of pages | 6 |
Journal | Journal of Crystal Growth |
Volume | 227-228 |
DOIs | |
State | Published - Jul 2001 |
Externally published | Yes |
Event | 11th International Conference on Molecular Beam Epitaxy - Bijing, China Duration: Sep 11 2000 → Sep 15 2000 |
Keywords
- A3. Polycrystalline deposition
- B1. Nitrides
- B2. Semiconducting gallium arsenide
ASJC Scopus subject areas
- Condensed Matter Physics
- Inorganic Chemistry
- Materials Chemistry