Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/13389
Title: Facile synthesis of superconducting NbN nanoparticles
Authors: Liu, X
Zhou, G
Or, SW 
Ran, S
Sun, Y
Keywords: Magnetic
Nanoparticles
NbN
Superconducting
Issue Date: 2014
Publisher: Pergamon Press
Source: Ceramics international, 2014, v. 41, no. 1, p. 849-852 How to cite?
Journal: Ceramics international 
Abstract: Face-centered cubic NbN (£_-NbN) nanoparticles have been synthesized by arc-discharging Nb ingot in a mixture of H2, Ar and N2. The presence of £_-NbN is attributed to the high surface energy of nanoparticles and the nonequilibrium condition during the arc-discharging process. NbN nanoparticles are of irregular spherical shape, and the diameter distribution is from 5 to 15 nm. The critical temperature of superconducting transition in NbN nanoparticles is determined to be 15.1 K, which is slightly less than that for the bulk counterpart. The difference is attributed to the fact that the size of NbN nanoparticles is comparable with the coherence length of NbN.
URI: http://hdl.handle.net/10397/13389
ISSN: 0272-8842
EISSN: 1873-3956
DOI: 10.1016/j.ceramint.2014.08.053
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