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Intrinsic Ferromagnetism in Mn-Substituted MoS2 Nanosheets Achieved by Supercritical Hydrothermal Reaction
Tan, Hao1; Hu, Wei1; Wang, Chao2; Ma, Chao3; Duan, Hengli1; Yan, Wensheng1; Cai, Liang1; Guo, Peng1; Sun, Zhihu1; Liu, Qinghua1; Zheng, Xusheng1; Hu, Fengchun1; Wei, Shiqiang1
2017-10-18
发表期刊SMALL
卷号13期号:39页码:1-7
摘要Doping atomically thick nanosheets is a great challenge due to the self-purification effect that drives the precipitation of dopants. Here, a breakthrough is made to dope Mn atoms substitutionally into MoS2 nanosheets in a sulfur-rich supercritical hydrothermal reaction environment, where the formation energy of Mn substituting for Mo sites in MoS2 is significantly reduced to overcome the self-purification effect. The substitutional Mn doping is convincingly evidenced by high-angle annular dark-field scanning transmission electron microscopy and X-ray absorption fine spectroscopy characterizations. The Mn-doped MoS2 nanosheets show robust intrinsic ferromagnetic response with a saturation magnetic moment of 0.05 mu(B) Mn-1 at room temperature. The intrinsic ferromagnetism is further confirmed by the reversibility of the magnetic behavior during the cycle of incorporating/removing Li codopants, showing the critical role of Mn 3d electronic states in mediating the magnetic interactions in MoS2 nanosheets.
文章类型Article
关键词First-principles Calculations Mn-doped Mos2 Nanosheets Room-temperature Ferromagnetism Self-purification Effect Supercritical Hydrothermal Reaction
WOS标题词Science & Technology ; Physical Sciences ; Technology
资助者National Natural Science Foundation of China(11435012 ; Foundation for Innovative Research Groups of the National Natural Science Foundation of China(11621063) ; U1632263 ; 21533007) ; National Natural Science Foundation of China(11435012 ; Foundation for Innovative Research Groups of the National Natural Science Foundation of China(11621063) ; U1632263 ; 21533007)
DOI10.1002/smll.201701389
关键词[WOS]TRANSITION-METAL DICHALCOGENIDES ; SINGLE-LAYER MOS2 ; SEMICONDUCTOR NANOCRYSTALS ; NANOPARTICLES ; MAGNETISM ; FILMS ; NANORIBBONS ; TRANSISTORS ; MONOLAYER ; STABILITY
收录类别SCI
语种英语
资助者National Natural Science Foundation of China(11435012 ; Foundation for Innovative Research Groups of the National Natural Science Foundation of China(11621063) ; U1632263 ; 21533007) ; National Natural Science Foundation of China(11435012 ; Foundation for Innovative Research Groups of the National Natural Science Foundation of China(11621063) ; U1632263 ; 21533007)
WOS研究方向Chemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
WOS类目Chemistry, Multidisciplinary ; Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied ; Physics, Condensed Matter
WOS记录号WOS:000412925100005
引用统计
文献类型期刊论文
条目标识符http://ir.hfcas.ac.cn:8080/handle/334002/33818
专题中国科学院核能安全技术研究所
作者单位1.Univ Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230029, Anhui, Peoples R China
2.Chinese Acad Sci, Inst Nucl Energy Safety Technol, Key Lab Neutron & Radiat Safety, Hefei 230031, Anhui, Peoples R China
3.Hunan Univ, Coll Mat Sci & Engn, Changsha 410082, Hunan, Peoples R China
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GB/T 7714
Tan, Hao,Hu, Wei,Wang, Chao,et al. Intrinsic Ferromagnetism in Mn-Substituted MoS2 Nanosheets Achieved by Supercritical Hydrothermal Reaction[J]. SMALL,2017,13(39):1-7.
APA Tan, Hao.,Hu, Wei.,Wang, Chao.,Ma, Chao.,Duan, Hengli.,...&Wei, Shiqiang.(2017).Intrinsic Ferromagnetism in Mn-Substituted MoS2 Nanosheets Achieved by Supercritical Hydrothermal Reaction.SMALL,13(39),1-7.
MLA Tan, Hao,et al."Intrinsic Ferromagnetism in Mn-Substituted MoS2 Nanosheets Achieved by Supercritical Hydrothermal Reaction".SMALL 13.39(2017):1-7.
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