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Determination of the Strain Status of GaAs/AlAs Quantum Wires and Quantum Dots
Published online by Cambridge University Press: 28 February 2011
Abstract
We have investigated periodic arrays of 150 and 175 nm wide GaAs-AlAs quantum wires and quantum dots, fabricated by electron beam lithography and SiCI4/O2 reactive ion etching, by means of reciprocal space mapping using triple axis x-ray diffractometry (TAD). The reciprocal space maps reveal that after the fabrication process the lattice constant along the growth direction slightly increases for the wires and even more so for the dots.
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- Copyright © Materials Research Society 1995