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20 August 2009 Synthesis and characterization of electrospun gallium nitride nanofibers
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The simple and inexpensive technique of electrospinning was used for the production of long GaN nanofibers. The fibers were made using a precursor solution composed of pure Gallium Nitrate dissolved in dimethylacetamide (DMA) and a viscous solution of Cellulose acetate dissolved in a mixture of DMA and acetone. Using a tube furnace, they were sintered under a Nitrogen atmosphere to decompose the polymer and to reduce Oxygen contamination. This process was followed by sintering under a NH3 flow to complete the synthesis of wurtzite GaN. XRD, ESEM, and FTIR analysis were used to verify the chemical and structural composition of the samples. The I-V characteristics of a device constructed using a single GaN nanofiber showed the formation of ohmic contacts.
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Anamaris Meléndez, Kristle Morales, Idalia Ramos, Eva Campo, and Jorge J. Santiago-Avilés "Synthesis and characterization of electrospun gallium nitride nanofibers", Proc. SPIE 7402, Nanoengineering: Fabrication, Properties, Optics, and Devices VI, 740210 (20 August 2009);

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