Growth of GaN Nanotubes and Nanowires on Au–Ni Catalysts


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Abstract

Arrays of GaN nanowires (NWs) and nanotubes (NTs) have been grown by metalorganic vapor phase epitaxy using a gold–nickel film as the catalyst. The simultaneous formation of both NTs and NWs in one process in the presence of various Au–Ni catalyst compositions is explained. It is established that NTs grow on solid catalyst particles, while NWs grow according to the classical vapor–liquid–solid mechanism. The optoelectronic properties of obtained NTs and NWs have been studied using photo- and cathodoluminescence techniques.

About the authors

N. V. Sibirev

St. Petersburg State University; St. Petersburg National University of Information Technology, Mechanics, and Optics (ITMO University)

Author for correspondence.
Email: sibirev@mail.ioffe.ru
Russian Federation, St. Petersburg, 199034; St. Petersburg, 197101

H. Huang

Dalian University of Technology

Email: sibirev@mail.ioffe.ru
China, Dalian, 116024

E. V. Ubyivovk

St. Petersburg State University; St. Petersburg National University of Information Technology, Mechanics, and Optics (ITMO University)

Email: sibirev@mail.ioffe.ru
Russian Federation, St. Petersburg, 199034; St. Petersburg, 197101

R. Lv

Dalian University of Technology

Email: sibirev@mail.ioffe.ru
China, Dalian, 116024

D. Zhao

Dalian University of Technology

Email: sibirev@mail.ioffe.ru
China, Dalian, 116024

Q. Guang

Dalian University of Technology

Email: sibirev@mail.ioffe.ru
China, Dalian, 116024

Yu. S. Berdnikov

St. Petersburg National University of Information Technology, Mechanics, and Optics (ITMO University)

Email: sibirev@mail.ioffe.ru
Russian Federation, St. Petersburg, 197101

X. Yan

Beijing University of Posts and Telecommunications

Email: sibirev@mail.ioffe.ru
China, Beijing, 100876

A. A. Koryakin

St. Petersburg National University of Information Technology, Mechanics, and Optics (ITMO University)

Email: sibirev@mail.ioffe.ru
Russian Federation, St. Petersburg, 197101

I. V. Shtrom

St. Petersburg State University; Institute for Analytical Instrumentation, Russian Academy of Sciences

Email: sibirev@mail.ioffe.ru
Russian Federation, St. Petersburg, 199034; St. Petersburg, 198095

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