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基于包晶条件的新型磁性拓扑绝缘体块体晶体生长方法及其在量子 ...
针对磁性拓扑绝缘体(MTIs)如MnBi2Te4的晶体生长难题,俄罗斯研究团队创新性开发了三相包晶法(L+SA源),成功制备出厘米级GeAs2Te4型结构单晶及Mn(Bi,Sb)2Te4等固溶体。该方法通过精确控制熔体-固体浮动片-晶体三相平衡,解决了传统熔融法在窄初晶区化合物的生长瓶颈,为量子反常霍尔效应(QAHE)研究 ...
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