Pole figure mapping of GaAs/AlGaAs core-shell nanowires via high resolution x-ray diffraction

Authors

Mae Agatha Tumanguil ⋅ PH National Institute of Physics, University of the Philippines Diliman
Raymond Condes ⋅ PH National Institute of Physics, University of the Philippines Diliman
Peter Jeffrey Maloles ⋅ PH National Institute of Physics, University of the Philippines Diliman
Jasher John Ibañes ⋅ PH National Institute of Physics, University of the Philippines Diliman
Arnel Salvador ⋅ PH National Institute of Physics, University of the Philippines Diliman
Armando Somintac ⋅ PH National Institute of Physics, University of the Philippines Diliman

Abstract

This paper aims to demonstrate pole figure mapping as a structural characterization technique for gallium arsenide/aluminum gallium arsenide (GaAs/AlGaAs) core shell nanowires (NWs) using a high resolution x-ray diffractometer (HRXRD). The pole figure map was obtained by a series of azimuthal (φ) scans with varying sample orientation (Ɵ). Pole figure maps of NW samples grown on both Si (100) and Si (111) substrates were obtained. Plots showed dominance of zincblende (ZB) crystal structure for NWs grown on Si (100). Presence of both wurtzite (WZ) and ZB was also observed for NWs grown on Si (111). In addition to this, peaks attributed to twinning were also observed from the maps.

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Issue

2012: Proceedings of the 30th Samahang Pisika ng Pilipinas Physics Congress

Article ID

SPP2012-6C-2

Section

Condensed Matter Physics

Published

2012-10-22

How to Cite

[1]

MA Tumanguil, R Condes, PJ Maloles, JJ Ibañes, A Salvador, and A Somintac, Pole figure mapping of GaAs/AlGaAs core-shell nanowires via high resolution x-ray diffraction, Proceedings of the Samahang Pisika ng Pilipinas 30, SPP2012-6C-2 (2012). URL: https://proceedings.spp-online.org/article/view/SPP2012-6C-2.