Low-Temperature Synthesis of Superconducting Nanocrystalline MgB2. (8th February 2011)

• Record Type: Journal Article
• Authors: Lu, Jun; Xiao, Zhili; Lin, Qiyin; Claus, Helmut; Fang, Zhigang Zak
• Other Names: Bai Xuedong Academic Editor.
• Is Part Of: Journal of nanomaterials. Volume 2010(2010)
• Publication Date: 2011-02-08
• Subjects: Nanostructured materials -- Periodicals; Nanotechnology -- Periodicals; Nanomatériaux; Nanostructured materials; Nanotechnology; Nanostructures; Nanotechnology; Periodicals; Fulltext; Internet Resources; Periodicals; 620.115
• DOI: 10.1155/2010/191058
• Languages: English
• ISSNs: 1687-4110

Abstract

Abstract : Magnesium diboride (MgB2 ) is considered a promising material for practical application in superconducting devices, with a transition temperature near 40 K. In the present paper, nanocrystalline MgB2 with an average particle size of approximately 70 nm is synthesized by reacting LiBH4 with MgH2 at temperatures as low as 450°C. This synthesis approach successfully bypasses the usage of either elemental boron or toxic diborane gas. The superconductivity of the nanostructures is confirmed by magnetization measurements, showing a superconducting critical temperature of 38.7 K.