魏智强,徐可亮,张旭东,武晓娟,王璇,杨华,姜金龙

• 1:兰州理工大学省部共建有色金属先进加工与再利用国家重点实验室
• 2:兰州理工大学理学院

摘要(Abstract)：

采用水热法了制备不同掺杂比例的Zn0.95Cu0.05-xCoxO(x=0,0.025,0.05)稀磁半导体材料。X射线衍射(XRD)表明所有样品具有结晶良好的纤锌矿结构,随着Co掺杂量的增加点阵常数有所增大。高分辨透射电子显微镜(HRTEM)发现所有样品形貌为纳米棒状结构,分散性良好。X射线能量色散分析仪(EDS)测试结果说明样品中Cu2+、Co2+是以替代的形式进入ZnO晶格中。光致发光光谱(PL)研究发现在所有样品中都存在较强的紫外发光峰、蓝光发光峰和绿光发光峰,而且峰位发生蓝移。振动样品磁强计(VSM)研究结果表明掺杂样品在室温条件下存在具有铁磁性。

关键词(KeyWords)： 共掺杂;ZnO基稀磁半导体;水热法;光致发光;铁磁性

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(51261015);; 甘肃省自然科学基金(1308RJZA238)

作者(Author): 魏智强,徐可亮,张旭东,武晓娟,王璇,杨华,姜金龙

DOI: 10.13289/j.issn.1009-6264.2015.07.005

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