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Synthesis and superconducting properties of niobium nitride nanowires and nanoribbons
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10.1063/1.2800809
/content/aip/journal/apl/91/16/10.1063/1.2800809
http://aip.metastore.ingenta.com/content/aip/journal/apl/91/16/10.1063/1.2800809
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Figures

Image of FIG. 1.
FIG. 1.

SEM micrographs of superconducting niobium nitride nanowires and nanoribbons synthesized by annealing nanostructure precursors in flowing ammonia gas at for . Images at low and high magnifications are presented in (a) and (b), respectively.

Image of FIG. 2.
FIG. 2.

(Color online) Structural and magnetization analyses of the niobium nitride nanostructures synthesized at various annealing temperatures. (a) Powder x-ray diffraction patterns and (b) magnetization vs temperature curves (measured at ).

Image of FIG. 3.
FIG. 3.

(Color online) Four-probe transport measurements of individual niobium nitride nanowires measured with a current of . (a) Zero field vs curves of three nanowires (denoted samples A, B, and C). Inset to (a) contains phase diagrams of sample B as prepared (open circles) and exposed to air for (open triangles). (b) and (c) are curves at various fixed temperatures and zero-field curves at various fixed temperatures for sample B, respectively. Inset to (c) presents the temperature dependence of the current at which the voltage increases abruptly.

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/content/aip/journal/apl/91/16/10.1063/1.2800809
2007-10-18
2014-04-25
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Synthesis and superconducting properties of niobium nitride nanowires and nanoribbons
http://aip.metastore.ingenta.com/content/aip/journal/apl/91/16/10.1063/1.2800809
10.1063/1.2800809
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