研究了纳米金刚石外延薄膜的制备方法及其场发射特性.采用电泳方法将粒径20nm以下的纳米金刚石微晶沉积到Ti电极衬底上,用热丝CVD方法在纳米金刚石微晶薄膜上再外延生长一层含非晶碳金刚石薄膜.用Raman光谱研究了外延纳米金刚石薄膜的结构并在高真空条件下研究了其场发射特性.
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