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Proceedings Paper

Transmission electron microscopy of electrospun GaN nanofibers
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Paper Abstract

We have reported earlier progress in producing polycrystalline wurtzite-polymorph and photo-conductive GaN nanofibers by electrospinning. This paper shows grain stacking during heat treatment and suggests the need to understand nucleation and grain growth following electrospinning. Transmission Electron Microscopy (TEM) analysis of GaN shows brittle fibers, grain stacking, and unfinished grain nucleation. X-Ray Diffraction analysis confirmed dominant hexagonal 101-wurtzite preferential overall orientation and the incipient grains are of high crystalline quality as seen by high resolution TEM.

Paper Details

Date Published: 1 June 2011
PDF: 7 pages
Proc. SPIE 8036, Scanning Microscopies 2011: Advanced Microscopy Technologies for Defense, Homeland Security, Forensic, Life, Environmental, and Industrial Sciences, 80360F (1 June 2011); doi: 10.1117/12.885543
Show Author Affiliations
Joshua L. Robles-García, Univ. of Puerto Rico at Humacao (United States)
Anamaris Meléndez, Univ. of Puerto Rico at Humacao (United States)
Douglas Yates, Univ. of Pennsylvania (United States)
Jorge J. Santiago-Avilés, Univ. of Pennsylvania (United States)
Idalia Ramos, Univ. of Puerto Rico at Humacao (United States)
Eva M. Campo, Univ. of Pennsylvania (United States)


Published in SPIE Proceedings Vol. 8036:
Scanning Microscopies 2011: Advanced Microscopy Technologies for Defense, Homeland Security, Forensic, Life, Environmental, and Industrial Sciences
Michael T. Postek; Dale E. Newbury; S. Frank Platek; David C. Joy; Tim K. Maugel, Editor(s)

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