MgB2是在2001年新发现的超导材料.它作为一种新型超导体材料备受关注且发展迅速,但其较低的不可逆场和较小的高磁场临界电流密度已成为阻碍其发展的关键.化学掺杂由于具有方便快速、能均匀改性等优点而成为当前提高MgB2超导性能的研究热点.重点评述了有关MgB2的元素或化合物掺杂研究的国内外最新进展,并从基础和应用的角度提出了MgB2超导材料需要深入研究的问题.
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