Observation of Strong Ordering inalloy semiconductors
- 20 June 1988
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 60 (25), 2645-2648
- https://doi.org/10.1103/physrevlett.60.2645
Abstract
Extremely strong superstructure reflections have been observed for the first time by transmission electron microscopy for (110) edge-on P crystals lattice matched to GaAs. Growth was carried out by metal-organic vapor-phase epitaxy. A monolayer superlattice (SL) of (Ga-rich plane) (In-rich plane)... is formed along [¯111] and [1¯11] directions. The substrates are found to be playing a vital role in the SL formation. Band-gap energy reduction (≅80 meV) has been observed for layers with these SL's.
Keywords
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