采用溶胶-凝胶法和在Ar气氛下热分解技术,制得了MgB2超导晶态纳米线.利用XRD对样品进行物相分析,表明有MgB2生成.通过扫描电子显微镜(SEM)对样品进行形貌分析,证实制备出了MgB2纳米线.样品的超导特性通过电阻随温度变化的测量得以证实,其超导临界转变温度Tc为19.4K.此外,对比分析了溶胶-凝胶法粉末和传统固相烧结粉末的异同.
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