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Type: Artigo de evento
Title: Near-field Optical Imaging And Spectroscopy Of Single Gaas Quantum Wires
Author: Oliveira L.E.
Duque C.A.
Porras-Montenegro N.
Abstract: Low-dimensional semiconductor structures grown by molecular beam epitaxy on a patterned (311)A GaAs substrate are investigated by near-field spectroscopy at a temperature of 10 K. In particular, the two-dimensional potential profiles of quantum wire and coupled wire-dot structures are determined from photoluminescence (PL) measurements with a spatial resolution of 150 nm. Also presented is an optical method for investigating carrier transport in low-dimensional systems involving performing spatially resolved PL excitation measurements on the wire-dot structure.
Rights: fechado
Identifier DOI: 10.1002/1521-396X(200204)190:3<749::AID-PSSA749>3.0.CO;2-S
Date Issue: 2002
Appears in Collections:Unicamp - Artigos e Outros Documentos

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