Ontology type: schema:ScholarlyArticle
2018-04-03
AUTHORSD. V. Lebedev, N. A. Kalyuzhnyy, S. A. Mintairov, K. G. Belyaev, M. V. Rakhlin, A. A. Toropov, P. Brunkov, A. S. Vlasov, J. Merz, S. Rouvimov, S. Oktyabrsky, M. Yakimov, I. V. Mukhin, A. V. Shelaev, V. A. Bykov, A. Yu. Romanova, P. A. Buryak, A. M. Mintairov
ABSTRACTWe investigated structural and emission properties of self-organized InP/GaInP quantum dots (QD) grown by metal organic chemical vapor deposition using an amount of deposited In from 7 to 2 monolayers (ML). In the uncapped samples, using atomic force microscopy (AFM), we observed lateral sizes of 100–200 nm, together with a bimodal height distribution having maxima at ∼5 and ∼15 nm, which we denoted as QDs of type A and B, respectively; and reduction of the density of the type-B dots from 4.4 to 1.6 μm–2. The reduction of the density of B-type dots were observed also using transmission electron microscopy of the capped samples. Using single dot low-temperature photoluminescence (PL) spectroscopy we demonstrated effects of Wigner localization for the electrons accumulated in these dots. More... »
PAGES497-501
http://scigraph.springernature.com/pub.10.1134/s1063782618040206
DOIhttp://dx.doi.org/10.1134/s1063782618040206
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