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Inversion Symmetry Breaking in Lithium Intercalated Graphitic Materials

文献类型:期刊论文

作者Zeng, Ganying; Zhang, Renyan1,3; Sui, Yizhen; Li, Xiong1,3; OuYang, Hao; Pu, Mingbo1,3; Chen, Haitao; Ma, Xiaoliang1,3; Cheng, Xiang'ai; Yan, Wei1,3
刊名ACS APPLIED MATERIALS & INTERFACES
出版日期2020-06-24
卷号12期号:25页码:1-14
ISSN号1944-8244
关键词graphene intercalation LiC6 second-harmonic generation (SHG) inversion symmetry breaking
DOI10.1021/acsami.0c06735
文献子类期刊论文
英文摘要Intercalation is a unique degree of freedom for tuning the physical and chemical properties of two-dimensional (2D) materials, providing an ideal system to study various electronic states (such as superconductivity, ferromagnetism, and charge density waves). Here, we demonstrate the inversion symmetry breaking in lithium (Li)-intercalated ultrathin graphite (about 20-100 graphene layers) by optical second-harmonic generation (SHG). This inversion symmetry breaking is attributed to nanoscale inhomogeneities (i.e., lattice distortion and dislocations) in lithiated graphite. In addition, the efficiency of the SHG signal in an ultrathin graphite flake is widely tunable by the electrochemical lithiation process, and the efficiency of fully lithiated graphite (LiC6) is comparable to that of other noncentrosymmetric 2D crystals. Our results reveal a novel intercalation-induced inversion symmetry breaking effect and open up possibilities for building 2D intercalated-compoundsbased nonlinear optical devices.
出版地WASHINGTON
WOS关键词2ND-HARMONIC GENERATION ; SUPERCONDUCTIVITY
WOS研究方向Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
语种英语
出版者AMER CHEMICAL SOC
WOS记录号WOS:000543780900073
源URL[http://ir.ioe.ac.cn/handle/181551/10149]  
专题光电技术研究所_微细加工光学技术国家重点实验室(开放室)
作者单位1.Chinese Acad Sci, Inst Opt & Elect, State Key Lab Opt Technol Microfabricat, Chengdu 610209, Peoples R China
2.Chinese Acad Sci, Inst Opt & Elect, Div Frontier Sci & Technol, Chengdu 610209, Peoples R China
3.Natl Univ Def Technol, Coll Adv Interdisciplinary Studies, Changsha 410073, Peoples R China
4.Natl Univ Singapore, Dept Elect & Comp Engn, Singapore 117576, Singapore
推荐引用方式
GB/T 7714
Zeng, Ganying,Zhang, Renyan,Sui, Yizhen,et al. Inversion Symmetry Breaking in Lithium Intercalated Graphitic Materials[J]. ACS APPLIED MATERIALS & INTERFACES,2020,12(25):1-14.
APA Zeng, Ganying.,Zhang, Renyan.,Sui, Yizhen.,Li, Xiong.,OuYang, Hao.,...&Luo, Xiangang.(2020).Inversion Symmetry Breaking in Lithium Intercalated Graphitic Materials.ACS APPLIED MATERIALS & INTERFACES,12(25),1-14.
MLA Zeng, Ganying,et al."Inversion Symmetry Breaking in Lithium Intercalated Graphitic Materials".ACS APPLIED MATERIALS & INTERFACES 12.25(2020):1-14.

入库方式: OAI收割

来源:光电技术研究所

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