Carbohydrate doping to enhance electromagnetic properties of MgB2 superconductors

Authors

Jung Ho Kim, University of WollongongFollow
Sihai Zhou, University of WollongongFollow
Md S. Hossain, University of WollongongFollow
Alexey V. Pan, University of WollongongFollow
S X. Dou, University of WollongongFollow

RIS ID

17950

Publication Details

Kim, J, Zhou, S, Hossain, M, Pan, AV & Dou, SX (2006), Carbohydrate doping to enhance electromagnetic properties of MgB2 superconductors, Applied Physics Letters, 89(14), pp. 142505-1-142505-3.

Abstract

The effect of carbohydrate doping on lattice parameters, microstructure, T_c, J_c, H_irr, and H_c2 of MgB₂ has been studied. In this work the authors used malic acid as an example of carbohydrates as an additive to MgB₂. The advantages of carbohydrate doping include homogeneous mixing of precursor powders, avoidance of expansive nanoadditives, production of highly reactive C, and significant enhancement in J_c, H_irr, and Hc₂ of MgB₂, compared to undoped samples. The J_c for MgB₂+30 wt% C₄H₆O₅ sample was increased by a factor of 21 at 5 K and 8 T without degradation of self-field J_c.

Grant Number

ARC/DP0770205

Additional Grant Number

http://purl.org/au-research/grants/ARC/DP0770205