二维钒掺杂Cr2S3纳米片的生长与磁性研究

被引:0
作者
杨瑞龙
张钰樱
杨柯
姜琦涛
杨晓婷
郭金中
许小红
机构
[1] 山西师范大学化学与材料科学学院,磁性分子与磁信息材料教育部重点实验室
基金
国家重点研发计划;
关键词
二维磁性材料; 化学气相沉积; 钒掺杂Cr2S3; 铁磁性;
D O I
暂无
中图分类号
TB383.1 [];
学科分类号
070205 ; 080501 ; 1406 ;
摘要
二维磁性材料是近年来发展起来的新兴材料,在单层或者少层的原子厚度中以其独特的磁性特性和结构特征而备受关注.其中铁磁性材料在信息存储和处理等方面有着广泛的应用,所以当前研究主要集中在丰富二维铁磁数据库以及开发磁调制的修饰策略上.本文通过常压化学气相沉积法在云母片衬底上成功生长出了二维钒掺杂Cr2S3纳米片,获得了钒源温度765℃和质量0.010 g为纳米片生长情况最适中条件,并通过光学显微镜、原子力显微镜、拉曼光谱仪、扫描电子显微镜、X射线能谱、X射线光电子能谱对纳米片进行表征.同时掺杂样品的磁性表征表明钒掺杂后样品居里转变温度变为105 K,由亚铁磁性变为铁磁性,矫顽力也显著增大,证明钒掺杂可以有效地调控Cr2S3纳米片的磁性.这些研究结果将有望推动钒掺杂Cr2S3材料向着实际应用的的可能性,成为下一代自旋电子应用的理想候选材料之一.
引用
收藏
页码:184 / 190
页数:7
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