Journal
MATERIALS LETTERS
Volume 91, Issue -, Pages 356-358Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2012.09.105
Keywords
Magnesium diboride; Homogeneity; Connectivity; n-factor
Funding
- Australian Research Council [LP120100173]
- UOW-URC grant [2012]
- Hyper Tech Research, Inc., USA
- Ankara University BAP project [08B4240004]
- Australian Research Council [LP120100173] Funding Source: Australian Research Council
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We evaluate the effects of the mixing process between the starting materials on the structural and superconducting properties of carbon-doped MgB2 wires. The critical current density, n-value, amount of MgO, and critical temperature are obviously dependent on the mixing process, while the microstructure, i.e., grain size, is not sensitive. In our study, the wet-mixing process in toluene enables more homogenous mixing between the starting materials, resulting in superior J(c) and n-value. (C) 2012 Elsevier B.V. All rights reserved.
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