Free-standing Monatomic Thick Two-dimensional Gold
Wang, Xuelu1,2; Wang, Chunyang1,3; Chen, Chunjin1,2; Duan, Huichao1,2; Du, Kui1
Corresponding AuthorDu, Kui(
Source PublicationNANO LETTERS
AbstractMonolayer metal membranes have attracted research attention owing to their fascinating physical properties. Unlike layered materials with weak interlayer van der Waals bonding, metallic monolayer membranes are difficult to exfoliate due to strong metallic bonding between layers. Here, we fabricate free-standing monatomic thick Au membranes and nanoribbons framed in bulk crystals using in situ dealloying inside transmission electron microscope. The Au membranes are robust under high energy electron beam. Monatomic-thick nanoribbons with a minimal width of 0.6 nm are observed. First-principles calculations reveal that zigzag-edged nanoribbons are ferromagnetic with magnetic moments ranging 0.38-0.51 mu B per unit-cell for a width less than 0.9 nm. In addition, a linear relationship between the bond length and the coordination number of atoms is directly investigated using atomic resolution images of monolayer and bilayer Au membranes. This work provides a pathway for direct fabrication of metal membranes and nanoribbons and to achieve novel physical properties.
Keyword2D materials transmission electron microscopy electronic devices dealloying coordination number
Funding OrganizationNational Natural Science Foundation of China ; National Key Research and Development Program of China ; Chinese Academy of Sciences
Indexed BySCI
Funding ProjectNational Natural Science Foundation of China[51771203] ; National Key Research and Development Program of China[2017YFA0700701] ; Chinese Academy of Sciences[QYZDJ-SSW-JSC024]
WOS Research AreaChemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
WOS SubjectChemistry, Multidisciplinary ; Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied ; Physics, Condensed Matter
WOS IDWOS:000475533900044
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Cited Times:8[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorDu, Kui
Affiliation1.Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, Shenyang 110016, Liaoning, Peoples R China
2.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Liaoning, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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GB/T 7714
Wang, Xuelu,Wang, Chunyang,Chen, Chunjin,et al. Free-standing Monatomic Thick Two-dimensional Gold[J]. NANO LETTERS,2019,19(7):4560-4566.
APA Wang, Xuelu,Wang, Chunyang,Chen, Chunjin,Duan, Huichao,&Du, Kui.(2019).Free-standing Monatomic Thick Two-dimensional Gold.NANO LETTERS,19(7),4560-4566.
MLA Wang, Xuelu,et al."Free-standing Monatomic Thick Two-dimensional Gold".NANO LETTERS 19.7(2019):4560-4566.
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