构建了电性连接性指数mF和价电子能级连接性指数mE,计算了二硼化镁体及掺杂二硼化镁体系的0阶拓扑指数0F和0E,发现与超导转变温度Tc之间有良好的规律性,因此,本文提出以电性连接性指数mF和价电子能级连接性指数mE作为掺杂二硼化镁体系超导电性的新判据.
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