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Ordered arrays of vertically correlated GaAs and AlAs quantum wires grown on a GaAs(311)A surface (2002)

Litvinov, D. ; Rosenauer, A. ; Gerthsen, D.

Woodbury, NY : American Institute of Physics (AIP)

Applied Physics Letters 81 (2002), S. 1080-1082

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ISSN: 1077-3118

Source: AIP Digital Archive

Topics: Physics

Notes: We study GaAs–AlAs short-period superlattices (SPSLs) grown on a GaAs(311)A surface using plan-view transmission electron microscopy (TEM). A strong in-plane compositional modulation with a period of 3.2 nm along the [01¯1] direction is revealed by TEM under chemically sensitive imaging conditions and in high-resolution TEM. Our results confirm the formation of highly ordered vertically aligned arrays of GaAs and AlAs quantum wires formed via self-organized growth. Bright photoluminescence (PL) at room temperature in the green and yellow spectral range is observed. © 2002 American Institute of Physics.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1063/1.1497994

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