Synthesis and characteristics of MgB2 bulks with different densities

Authors

Rong Zeng, University of WollongongFollow
Sihai Zhou, University of WollongongFollow
Lin Lu, University of WollongongFollow
Wenxian Li, University of WollongongFollow
S X. Dou, University of WollongongFollow

RIS ID

34817

Publication Details

Zeng, R, Zhou, S, Lu, L, Li, WX & Dou, SX (2010), Synthesis and characteristics of MgB₂ bulks with different densities, Physica C: Superconductivity and its Applications, 470(Supplement 1), pp. S669-S670.

Abstract

Pure MgB₂ bulks of different densities were synthesized by direct Mg-diffusion method. It is found that the connectivity was significantly improved since the current-carrying effective area was improved by the diffusion method, hence the self-field critical current density, J_c, was significantly improved comparing with conventional porous MgB₂ bulks made by in situ method. A sample reacted at 850 °C for 10 h exhibited J_c of 1.2 MA/cm² at 20 K in self-field.

Grant Number

ARC/DP0770205

Additional Grant Number

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