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Carrier dynamics in InP nanopillar arrays fabricated by low-damage etching

Naureen, S.; Shahid, N.; Gustafsson, A.; Liuolia, V.; Marcinkevičius, S.; Anand, S.


We present a comprehensive characterization of the optical quality of InP nanopillars (NPs) fabricated by a top down approach using micro-photoluminescence (μ-PL), time-resolved PL, and cathodoluminescence (CL). A lattice matched InGaAs layer provided beneath the 1 μm tall NPs functions as a “detector” in CL for monitoring carrier diffusion in InP NP. Carrier feeding to the InGaAs layer indicated by a double exponential PL decay is confirmed through CL mapping. Carrier lifetimes of over 1 ns...[Show more]

CollectionsANU Research Publications
Date published: 2013-05-31
Type: Journal article
Source: Applied Physics Letters
DOI: 10.1063/1.4808447


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