Paper
1 June 2011 Transmission electron microscopy of electrospun GaN nanofibers
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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.
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Joshua L. Robles-García, Anamaris Meléndez, Douglas Yates, Jorge J. Santiago-Avilés, Idalia Ramos, and Eva M. Campo "Transmission electron microscopy of electrospun GaN nanofibers", Proc. SPIE 8036, Scanning Microscopies 2011: Advanced Microscopy Technologies for Defense, Homeland Security, Forensic, Life, Environmental, and Industrial Sciences, 80360F (1 June 2011); https://doi.org/10.1117/12.885543
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KEYWORDS
Gallium nitride

Transmission electron microscopy

Nanofibers

Polymers

Gallium

Crystals

Scanning electron microscopy

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