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Obtaining High Localized Spin Magnetic Moments by Fluorination of Reduced Graphene Oxide
Q. Feng; N. J. Tang; F. C. Liu; Q. Q. Cao; W. H. Zheng; W. C. Ren; X. G. Wan; Y. Du
2013
Source PublicationAcs Nano
ISSN1936-0851
Volume7Issue:8Pages:6729-6734
AbstractFluorination was confirmed to be the most effective route to introduce localized spins in graphene. However, adatoms clustering in perfect graphene lead to a low efficiency. In this study, we report experimental evidence of the generation of localized spin magnetic moments on defective graphene (reduced graphene oxide) through fluorination. More interstingly, the result shows that defects help increase the efficiency of the fluorination with regard to the density of magnetic moments created. Fluorinated reduced graphene oxide can have a high magnetic moment of 3.187 x 10(-3) mu(B) per carbon atom and a high efficiency of 8.68 x 10(-3) mu(B) per F atom. It may be attributed to the many vacancies, which hinder the clustering of F atoms, and introduce many magnetic edge adatoms.
description.department[feng, qian ; tang, nujiang ; liu, fuchi ; cao, qingqi ; zheng, wenhai ; wan, xiangang ; du, youwei] nanjing univ, dept phys, nanjing 210093, peoples r china. [feng, qian ; tang, nujiang ; liu, fuchi ; cao, qingqi ; zheng, wenhai ; wan, xiangang ; du, youwei] nanjing univ, nanjing natl lab microstruct, nanjing 210093, peoples r china. [feng, qian] fujian normal univ, coll phys & energy, fuzhou 350007, peoples r china. [ren, wencai] chinese acad sci, shenyang natl lab mat sci, inst met res, shenyang 110016, peoples r china. ; tang, nj (reprint author), nanjing univ, dept phys, nanjing 210093, peoples r china. ; tangnujiang@nju.edu.cn
KeywordGraphene Fluorination Magnetic Properties Localized Magnetic Moment Reaction-mechanisms Functionalization Defects Layers
URL查看原文
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/71207
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Q. Feng,N. J. Tang,F. C. Liu,et al. Obtaining High Localized Spin Magnetic Moments by Fluorination of Reduced Graphene Oxide[J]. Acs Nano,2013,7(8):6729-6734.
APA Q. Feng.,N. J. Tang.,F. C. Liu.,Q. Q. Cao.,W. H. Zheng.,...&Y. Du.(2013).Obtaining High Localized Spin Magnetic Moments by Fluorination of Reduced Graphene Oxide.Acs Nano,7(8),6729-6734.
MLA Q. Feng,et al."Obtaining High Localized Spin Magnetic Moments by Fluorination of Reduced Graphene Oxide".Acs Nano 7.8(2013):6729-6734.
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