GaN Synthesis by Ammonothermal Method

• Authors: R. Dwiliński , A. Wysmołek , J. Baranowski , M. Kamińska , R. Doradziński , J. Garczyński , L. Sierzputowski , H. Jacobs
• Languages of publication: EN

Abstracts

EN

It is shown that ammonothermal method can be successfully used to synthesize GaN powder of good crystallographic quality from ammonia solution at high pressure and a moderate temperature. The size of obtained GaN powder grains was of a few micrometers. The improvement of the powder crystalline quality (examined by X-ray rocking curve, scanning electron microscopy and luminescence measurements) with increasing molar proportion of mineralizer was observed. It was therefore possible to conclude that high molar proportion of mineralizer in ammonia solution plays a crucial role in the polycrystal growth process. Visible luminescence of high efficiency from the GaN powder was found.

Keywords

EN

81.10.Dn

• Journal: Acta Physica Polonica A
• Year: 1995
• Volume: 88
• Issue: 5
• Pages: 833-836

Dates

published

1995-11

Contributors

author

R. Dwiliński

• Institute of Experimental Physics, Warsaw University, Hoża 69, 00-681 Warszawa, Poland

author

A. Wysmołek

• Institute of Experimental Physics, Warsaw University, Hoża 69, 00-681 Warszawa, Poland

author

J. Baranowski

• Institute of Experimental Physics, Warsaw University, Hoża 69, 00-681 Warszawa, Poland

author

M. Kamińska

• Institute of Experimental Physics, Warsaw University, Hoża 69, 00-681 Warszawa, Poland

author

R. Doradziński

• Institute of Theoretical Physics, Warsaw University, Hoża 69, 00-681 Warszawa, Poland

author

J. Garczyński

• Dept. of Chemistry, Warsaw Univ. of Technology, Pl. Politechniki 1, 00-661 Warszawa, Poland

author

L. Sierzputowski

• Dept. of Chemistry, Warsaw Univ. of Technology, Pl. Politechniki 1, 00-661 Warszawa, Poland

author

H. Jacobs

• Inorganic Chemistry Dept., Dortmund University, 44221 Dortmund, Germany