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We have investigated the growth and photoluminescence (PL) characteristics of GaAs/AlGaAs core-multishell nanowires (NWs). Theses NWs are grown by means of vapor-liquid-solid (VLS) method for cores growth and metalorganic chemical vapor deposition (MOCVD) for multishell growth on GaAs (111)B substrate. The crystallographic quality is perfect in the body of GaAs/AlGaAs core-multishell NWs and a small...
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