孙维民,郑卓,徐东年,刘正,董星龙

• 1:沈阳工业大学理学院
• 2:沈阳工业大学理学院
• 3:沈阳工业大学理学院
• 4:沈阳工业大学材料科学与工程学院

摘要(Abstract)：

在CH4+H2+Ar的混合气氛下,用电弧放电法蒸发纯Ni制备了Ni纳米粉体,并对粉体进行了分析。结果表明,在CH4+H2+Ar的混合气氛下制备的粉体形貌接近类球形,平均粒度20nm,粒子具有核壳结构,核为Ni,壳为3 nm左右的碳膜。在CH4+H2+Ar气氛下制备的粉体抗氧化性比在H2+Ar气氛下制备的强,饱和磁化强度比在纯CH4气氛下制备的大。

关键词(KeyWords)： Ni;纳米粉体;核壳结构;氧化特性;磁性

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(50371012)

作者(Author): 孙维民,郑卓,徐东年,刘正,董星龙

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