Self-Catalyzed MBE-Grown GaP Nanowires on Si(111): V/III Ratio Effects on the Morphology and Crystal Phase Switching

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Abstract

Self-catalyzed GaP nanowire and GaP/GaPAs nanowire heterostructures have been grown on Si(111) by solid-source molecular beam epitaxy. Formation of wurtzite polytype segments with thicknesses varying from the several tens up to the 500 nm depending on the growth condition has been observed. Effect of the V/III flux ratio on the growth mechanism, nanowire structure and morphology was studied by means of scanning electron microscopy and high resolution transmission electron microscopy.

About the authors

V. V. Fedorov

St. Petersburg Academic University; ITMO University

Author for correspondence.
Email: vfedorov@fl.ioffe.ru
Russian Federation, St. Petersburg, 194021; St. Petersburg, 197101

G. E. Cirlin

St. Petersburg Academic University; ITMO University; Ioffe Institute

Email: vfedorov@fl.ioffe.ru
Russian Federation, St. Petersburg, 194021; St. Petersburg, 197101; St. Petersburg, 194021

V. A. Shkoldin

St. Petersburg Academic University

Email: vfedorov@fl.ioffe.ru
Russian Federation, St. Petersburg, 194021

K. Yu. Shugurov

St. Petersburg Academic University

Email: vfedorov@fl.ioffe.ru
Russian Federation, St. Petersburg, 194021

A. M. Mozharov

St. Petersburg Academic University

Email: vfedorov@fl.ioffe.ru
Russian Federation, St. Petersburg, 194021

D. A. Kirilenko

ITMO University; Ioffe Institute

Email: vfedorov@fl.ioffe.ru
Russian Federation, St. Petersburg, 197101; St. Petersburg, 194021

G. A. Sapunov

St. Petersburg Academic University

Email: vfedorov@fl.ioffe.ru
Russian Federation, St. Petersburg, 194021

L. N. Dvoretckaia

St. Petersburg Academic University

Email: vfedorov@fl.ioffe.ru
Russian Federation, St. Petersburg, 194021

A. D. Bolshakov

St. Petersburg Academic University; ITMO University

Email: vfedorov@fl.ioffe.ru
Russian Federation, St. Petersburg, 194021; St. Petersburg, 197101

I. S. Mukhin

St. Petersburg Academic University; ITMO University

Email: vfedorov@fl.ioffe.ru
Russian Federation, St. Petersburg, 194021; St. Petersburg, 197101

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