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OALib Journal期刊
ISSN: 2333-9721
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掺硼对超纳米金刚石薄膜的影响
Keywords: 无机非金属材料,掺硼,超纳米金刚石薄膜,化学气相沉积
Abstract:
？采用微波等离子体化学气相沉积(mpcvd)技术,利用氩气、甲烷、二氧化碳混合气体,制备出平均晶粒尺寸在7.480nm左右、表面粗糙度在15.72nm左右的高质量的超纳米金刚石薄膜;在此工艺基础上以硼烷作为掺杂气体,合成掺硼的金刚石薄膜.表征结果显示在一定的浓度范围内随着硼烷气体的通入,金刚石薄膜的晶粒尺寸及表面粗糙度增大、结晶性变好,不再具有超纳米金刚石膜的显微结构和表面形态;同时膜材的物相组成也发生改变,金刚石组份逐渐增多,并且膜层内出现了更明显的应力以及更好的导电性能.
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