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题名: Superparamagnetic Reduced Graphene Oxide with Large Magnetoresistance: A Surface Modulation Strategy
作者: Peng, J; Guo, YQ; Lv, HF; Dou, XY; Chen, Q; Zhao, JY; Wu, CZ; Zhu, XJ; Lin, Y; Lu, W(卢威); Wu, XJ; Xie, Y
通讯作者: Wu, CZ
刊名: ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
发表日期: 2016
DOI: 10.1002/anie.201511436
卷: 55, 期:9
收录类别: SCI
文章类型: 期刊论文
部门归属: 纳米研究国际实验室
英文摘要: The graphene system is actively pursued in spintronics for its nontrivial sp electron magnetism and its potential for the flexible surface chemical tuning of magnetoelectronic functionality. The magnetoresistance (MR) of graphene can be effectively tuned under high magnetic fields at cryogenic temperatures, but it remains a challenge to achieve sensitive magnetoelectric response under ambient conditions. We report the use of surface modulation to realize superparamagnetism in reduced graphene oxide (rGO) with sensitive magnetic field response. The superparamagnetic rGO was obtained by a mild oxidation process to partially remove the thiol groups covalently bound to the carbon framework, which brings about large low-field negative MR at room temperature (-8.6%, 500Oe, 300K). This strategy provides a new approach for optimizing the intrinsic magnetoelectric properties of two-dimensional materials.
关键词[WOS]: MAGNETIC FORCE MICROSCOPY ; GIANT MAGNETORESISTANCE ; SPIN ; SPINTRONICS ; NITROGEN ; FUTURE
语种: 英语
JCR小类分区: 一区
WOS记录号: WOS:000370656200038
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.sinano.ac.cn/handle/332007/4737
Appears in Collections:纳米研究国际实验室_陈立桅团队_期刊论文

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Recommended Citation:
Peng, J,Guo, YQ,Lv, HF,et al. Superparamagnetic Reduced Graphene Oxide with Large Magnetoresistance: A Surface Modulation Strategy[J]. ANGEWANDTE CHEMIE-INTERNATIONAL EDITION,2016,55(9).
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