DocumentCode
1059882
Title
Co-Doping Effect of Nanoscale C and SiC on
Superconductor
Author
Zhang, Xianping ; Ma, Yanwei ; Wang, Dongliang ; Gao, Zhaoshun ; Wang, Lei ; Qi, Yanpeng ; Awaji, Satoshi ; Watanabe, Kazuo ; Zheng, Dongning
Author_Institution
Appl. Supercond. Lab., Chinese Acad. of Sci., Beijing, China
Volume
19
Issue
3
fYear
2009
fDate
6/1/2009 12:00:00 AM
Firstpage
2694
Lastpage
2697
Abstract
MgB2 was thought as a promising superconductor used at temperatures around 20 K for cryogen-free magnet. Nanostructure materials were often selected as MgB2 additives due to their high chemical reactivity. In this paper, the mixture of nano-C and nano-SiC was doped to MgB2 bulks and tapes. The co-doping effect of C and SiC on the phase formation, microstructure, and critical current density of MgB2 bulks and tapes were systematically investigated. The mechanisms for the superconducting properties improvement in co-doped MgB2 superconductor was analyzed based on the characterization and measuring results.
Keywords
carbon; critical current density (superconductivity); doping; magnesium compounds; nanostructured materials; silicon compounds; superconducting tapes; MgB2:C,SiC; chemical reactivity; codoping effect; critical current density; cryogen-free magnet; microstructure; nanostructure materials; phase formation; superconducting properties; tapes; ${hbox {MgB}}_{2}$ ; Co-doping; critical current property; flux pinning;
fLanguage
English
Journal_Title
Applied Superconductivity, IEEE Transactions on
Publisher
ieee
ISSN
1051-8223
Type
jour
DOI
10.1109/TASC.2009.2018027
Filename
5067116
Link To Document