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M. Gómez-Gómez, N. Garro, J. Segura-Ruiz, G. Martínez-Criado, M. H. Chu, A. Cantarero, C. Denker, J. Malindretos and A. Rizzi Radial composition of single InGaN nanowires: a combined study by EDX, Raman spectroscopy, and X-ray diffraction physica status solidi (RRL) - Rapid Research Letters 7

Version of Record online: 25 JUN 2013 | DOI: 10.1002/pssr.201307244

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Part of Focus Issue on “Semiconductor Nanowires” (Eds.: Chennupati Jagadish, Lutz Geelhaar, Silvija Gradecak)

In this Letter, the authors show that in order to fully determine the radial alloy distribution of InxGa1–xN nanowires more than one spectroscopical technique with spatial resolution at the nanoscale are required. The combination of three techniques provides evidences of the spontaneous formation of a core–shell structure with a potential absorption profile matching most of the solar spectrum.

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