Issue 6, 2014
From the journal:

RSC Advances

Disordered grain growth in polycrystalline GaN obtained by the polymer-derived-ceramic route

Eva M. Campo,*a   Jonathan Poplawsky,b   Anamaris Meléndez,c   Joshua L. Robles-García,c   Idalia Ramos,c   Douglas Yates,d   John E. Fischer†d  and  Jorge J. Santiago-Avilésd  

* Corresponding authors

a Dept of Electronic Engineering, Bangor University, UK LL57 1UT
E-mail: e.campo@bangor.ac.uk
Tel: +44 (0) 1248 382474

b Materials Science and Technology Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA

c Dept. of Physics and Electronics, Univ. of Puerto Rico at Humacao, Humacao, PR 00791

d Laboratory for the Research on the Structure of Matter, University of Pennsylvania, Philadelphia, PA 19104, USA

Abstract

Polycrystalline GaN fibers have been produced by the polymer-derived-ceramic (PDC) technique. The wurtzite-polymorphic fibers appear to emerge from complex nucleation and grain growth mechanisms, being mostly unconstrained during initial polymer to ceramic conversion. The importance of carrier polymer architecture and alignment is highlighted towards controlled microstructure.

Graphical abstract: Disordered grain growth in polycrystalline GaN obtained by the polymer-derived-ceramic route

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Article information

DOI
https://doi.org/10.1039/C3RA44899A
Article type
Communication
Submitted
05 Sep 2013
Accepted
01 Nov 2013
First published
05 Nov 2013

RSC Adv., 2014,4, 2634-2639

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Disordered grain growth in polycrystalline GaN obtained by the polymer-derived-ceramic route

E. M. Campo, J. Poplawsky, A. Meléndez, J. L. Robles-García, I. Ramos, D. Yates, J. E. Fischer and J. J. Santiago-Avilés, RSC Adv., 2014, 4, 2634 DOI: 10.1039/C3RA44899A

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