Nanoparticles of superconducting γ-Mo2N and δ-MoN

Gomathi, A. ; Sundaresan, A. ; Rao, C. N. R. (2007) Nanoparticles of superconducting γ-Mo2N and δ-MoN Journal of Solid State Chemistry, 180 (1). pp. 291-295. ISSN 0022-4596

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We have been able to prepare nanoparticles (~4 nm diameter) of cubic γ-Mo2N by a simple procedure involving the reaction of MoCl5 with urea at 873 K. The nanoparticles show a superconducting transition around 6.5 K. The γ-Mo2N nanoparticles are readily transformed to nanoparticles of δ-MoN with a slightly larger diameter on heating in a NH3 atmosphere at 573 K. Phase-pure δ-MoN obtained by this means shows a superconducting transition around 5 K.

Item Type:Article
Source:Copyright of this article belongs to Elsevier Science.
Keywords:Nitrides; Nanoparticles
ID Code:42424
Deposited On:02 Jun 2011 13:46
Last Modified:02 Jun 2011 13:46

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