Physics – Condensed Matter – Superconductivity
Scientific paper
2011-12-11
Physics
Condensed Matter
Superconductivity
Scientific paper
Magnesium diboride crystals were grown with low melting alloy flux. The sample with superconductivity at 38.3 K was prepared in the zinc-magnesium flux and another sample with superconductivity at 34.11 K was prepared in the cadmium-magnesium flux. MgB4 was found in both samples, and MgB4's magnetization curve being above zero line had not superconductivity. Magnesium diboride prepared by these two methods is all flaky and irregular shape and low quality of single crystal. However, these two metals should be the optional flux for magnesium diboride crystal growth. The study of single crystal growth is very helpful for the future applications.
Du Wei
Liu Li
Wang Zhuo
Xian Xugang
Xu Rengen
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