Strong competition between the δl and δTc flux pinning mechanisms in MgB2 doped with carbon containing compounds
نویسندگان
چکیده
منابع مشابه
Evidence for transformation from δTc to δl pinning in MgB2 by graphene oxide doping with improved low and high field Jc and pinning potential
Flux pinning mechanism of graphene oxide (GO) doped MgB2 has been systematically studied. In the framework of the collective pinning theory, a B-T phase diagram has been constructed. By adjusting the GO doping level, the pinning mechanism in MgB2 transformed from transition temperature fluctuation induced pinning, δTc pinning, to mean free path fluctuation induced pinning, δl pinning, is observ...
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E. Martínez,1,* P. Mikheenko,2,† M. Martínez-López,1 A. Millán,1 A. Bevan,2 and J. S. Abell2 1Instituto de Ciencia de Materiales de Aragón, CSIC–Universidad de Zaragoza, C/María de Luna 3, 50018 Zaragoza, Spain 2Metallurgy and Materials, School of Engineering, University of Birmingham, Edgbaston, Birmingham B15 2TT, United Kingdom Received 31 October 2006; revised manuscript received 21 Decembe...
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ژورنال
عنوان ژورنال: Journal of Applied Physics
سال: 2010
ISSN: 0021-8979,1089-7550
DOI: 10.1063/1.3366710