采用溶胶-凝胶法制备氧化铝掺杂纳米钴锌铁氧体。通过X射线衍射（XRD）-~透射电子显微镜（TEM）等测试手段对材料的形貌和结构进行了表征。......

Diamond films were prepared by hot filament chemical vapor deposition(HFCVD) in a gas mixtures system of methane, argon ......