Regensburg 2016 – wissenschaftliches Programm

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HL: Fachverband Halbleiterphysik

HL 36: Poster Ib

HL 36.6: Poster

Dienstag, 8. März 2016, 15:00–19:00, Poster A

Analyzing the crystal structure of CdSe nanowires — •Philip Harder, Tobias Redder, Tobias Kipp, and Alf Mews — Institute of Physical Chemistry, University Hamburg, Grindelallee 117, 20146 Hamburg, Germany

Semiconductor nanowires have interesting optical and electronical properties since their diameter scales on the nanometer size whereas their length can reach hundreds of microns. Their electronic properties strongly depend on the crystal structure. CdSe nanowires synthesized in solution via the SLS (solution-liquid-solid) method can exist in Zincblende and Wurtzite crystal structure. We developed a method that can determine the Wurtzite to Zincblende ratio and diameter of nanowires via powder X-ray diffraction measurements. The analalysis of the measured powder diffraction patterns was carried out via differential evolution algorithms and provides results with only few assumptions.

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