Open Access. Powered by Scholars. Published by Universities.®
Physical Sciences and Mathematics Commons™
Open Access. Powered by Scholars. Published by Universities.®
Articles 1 - 1 of 1
Full-Text Articles in Physical Sciences and Mathematics
Mechanism Of Periodic Height Variations Along Self-Aligned Vls-Grown Planar Nanostructures, Julian Steele, Josip Horvat, Roger A. Lewis, M Henini, D. Fan, Yu. I. Mazur, V G. Dorogan, P C. Grant, S.-Q Yu, G J. Salamo
Mechanism Of Periodic Height Variations Along Self-Aligned Vls-Grown Planar Nanostructures, Julian Steele, Josip Horvat, Roger A. Lewis, M Henini, D. Fan, Yu. I. Mazur, V G. Dorogan, P C. Grant, S.-Q Yu, G J. Salamo
Australian Institute for Innovative Materials - Papers
In this study we report in-plane nanotracks produced by molecular-beam-epitaxy (MBE) exhibiting lateral self-assembly and unusual periodic and out-of-phase height variations across their growth axes. The nanotracks are synthesized using bismuth segregation on the GaAsBi epitaxial surface, which results in metallic liquid droplets capable of catalyzing GaAsBi nanotrack growth via the vapor-liquid-solid (VLS) mechanism. A detailed examination of the nanotrack morphologies is carried out employing a combination of scanning electron and atomic force microscopy and, based on the findings, a geometric model of nanotrack growth during MBE is developed. Our results indicate diffusion and shadowing effects play significant roles in …