4.3 Article

High nitrogen pressure solution growth of GaN

Journal

JAPANESE JOURNAL OF APPLIED PHYSICS
Volume 53, Issue 10, Pages -

Publisher

IOP PUBLISHING LTD
DOI: 10.7567/JJAP.53.100203

Keywords

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Funding

  1. National Centre for Research and Development [PBS 1/B5/7/2012]
  2. European Union within the European Regional Development Fund [POIG.01.04.00-14-153/11, POIG.01.01.02-00-008/08]

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Results of GaN growth from gallium solution under high nitrogen pressure are presented. Basic of the high nitrogen pressure solution (HNPS) growth method is described. A new approach of seeded growth, multi-feed seed (MFS) configuration, is demonstrated. The use of two kinds of seeds: free-standing hydride vapor phase epitaxy GaN (HVPE-GaN) obtained from metal organic chemical vapor deposition (MOCVD)-GaN/sapphire templates and free-standing HVPE-GaN obtained from the ammonothermally grown GaN crystals, is shown. Depending on the seeds' structural quality, the differences in the structural properties of pressure grown material are demonstrated and analyzed. The role and influence of impurities, like oxygen and magnesium, on GaN crystals grown from gallium solution in the MFS configuration is presented. The properties of differently doped GaN crystals are discussed. An application of the pressure grown GaN crystals as substrates for electronic and optoelectronic devices is reported. (C) 2014 The Japan Society of Applied Physics

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