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现代化工  2018, Vol. 38 Issue (11): 127-131    DOI: 10.16606/j.cnki.issn0253-4320.2018.11.027
  科研与开发 本期目录 | 过刊浏览 | 高级检索 |
石墨烯/二硫化钼/钴复合材料的结构和磁性
徐一帆1, 赵婧羽2, 叶双莉1
1. 武汉大学印刷与包装系, 湖北 武汉 430079;
2. 驻699厂军事代表处, 北京 100039
Microstructure and magnetic properties of RGO/MoS2/Co composites
XU Yi-fan1, ZHAO Jing-yu2, YE Shuang-li1
1. School of Printing and Packaging, Wuhan University, Wuhan 430079, China;
2. PLA 699 Factory, Beijing 100039, China
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摘要 介绍了两步水热反应制备石墨烯/二硫化钼/钴(RGO/MoS2/Co)复合物的方法,在保护气体Ar气中通过800℃退火提高Co的纯度。为了探究RGO/MoS2/Co复合物在柔性自旋器件方面的应用,利用X射线衍射、透射电镜、拉曼等技术对RGO/MoS2/Co的结构和形貌进行表征,并结合磁性测试(VSM)探讨其微观结构和磁性行为。结果发现,大小约10~20 nm钴粒子成功嵌入到网状交联的RGO/MoS2中,复合物在低温和常温下均表现出铁磁性,使其有望应用于设计的柔性自旋器件中。
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徐一帆
赵婧羽
叶双莉
关键词:  石墨烯/二硫化钼/钴  纳米复合物  水热法  磁性    
Abstract: RGO/MoS2/Co nanocomposites are fabricated through a facile two-step hydrothermal process and annealed in Ar at 800℃ to improve the purity of Co.The microstructure and magnetic properties of RGO/MoS2/Co nanocomposites are investigated by means of VSM and the structure and morphology of the nanocomposites are analyzed by X-ray diffraction (XRD),high-resolution transmission electron microscopy (HRTEM) and Raman spectra (RAMAN).These results display that Co nanoparticles with a size of 10-20 nm are trapped in the network of the crumpled RGO/MoS2.Magnetization measurements demonstrate that RGO/MoS2/Co shows ferromagnetic property,which supplies possibility that it can be used in the flexible spintronic devices designed.
Key words:  RGO/MoS2/Co    nanocomposites    hydrothermal    magnetism
收稿日期:  2018-03-28      修回日期:  2018-09-14          
O06  
基金资助: 国家自然科学基金(51371129)
通讯作者:  叶双莉(1975-),女,博士,教授,主要研究方向为低维纳米材料和纳米传感器,通讯联系人,slye@whu.edu.cn。    E-mail:  slye@whu.edu.cn
作者简介:  徐一帆(1991-),女,硕士研究生,主要研究方向为低维纳米材料,xuyifan8@whu.edu.cn
引用本文:    
徐一帆, 赵婧羽, 叶双莉. 石墨烯/二硫化钼/钴复合材料的结构和磁性[J]. 现代化工, 2018, 38(11): 127-131.
XU Yi-fan, ZHAO Jing-yu, YE Shuang-li. Microstructure and magnetic properties of RGO/MoS2/Co composites. Modern Chemical Industry, 2018, 38(11): 127-131.
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http://www.xdhg.com.cn/CN/10.16606/j.cnki.issn0253-4320.2018.11.027  或          http://www.xdhg.com.cn/CN/Y2018/V38/I11/127
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