研究了氮化硼(BN)薄膜的场发射特性与不同基底偏压和不同膜厚的关系.在磁控溅射反应器中,使用高纯六角氮化硼(h-BN)靶,通入Ar和N2的混合气体,制备出了纳米BN薄膜.溅射是在基底加热470℃和总压力为1.2Pa的条件下进行的.在超高真空系统中测量了不同膜厚和不同基底偏压的BN薄膜的场发射特性,发现BN薄膜的场发射特性与基板偏压和膜厚关系很大.
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