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Elastic coupling between layers in two-dimensional materials
By:Gao, Y (Gao, Yang)[ 1,2,3 ] ; Kim, S (Kim, Suenne)[ 4 ] ; Zhou, S (Zhou, Si)[ 1 ] ; Chiu, HC (Chiu, Hsiang-Chih)[ 5 ] ; Nelias, D (Nelias, Daniel)[ 6 ] ; Berger, C (Berger, Claire)[ 1,7 ] ; de Heer, W (de Heer, Walt)[ 1,8 ] ; Polloni, L (Polloni, Laura)[ 9 ] ; Sordan, R (Sordan, Roman)[ 9 ] ; Bongiorno, A (Bongiorno, Angelo)[ 1,10 ] ...More
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NATURE MATERIALS
Volume: 14 Issue: 7 Pages: 714-+
DOI: 10.1038/NMAT4322 Published: JUL 2015 View Journal Impact
Abstract
Two-dimensional materials, such as graphene and MoS2, are films of a few atomic layers in thickness with strong in-plane bonds and weak interactions between the layers. The in-plane elasticity has been widely studied in bending experiments where a suspended film is deformed substantially; however, little is known about the films' elastic modulus perpendicular to the planes, as the measurement of the out- of-plane elasticity of supported 2D films requires indentation depths smaller than the films' interlayer distance. Here, we report on sub-angstrom-resolution indentation measurements of the perpendicular- to-the-plane elasticity of 2D materials. Our indentation data, combined with semi-analytical models and density functional theory, are then used to study the perpendicular elasticity of few-layer-thick graphene and graphene oxide films. We find that the perpendicular Young's modulus of graphene oxide films reaches a maximum when one complete water layer is intercalated between the graphitic planes. This non-destructive methodology can map interlayer coupling and intercalation in 2D films.
Keywords
KeyWords Plus:GRAPHENE OXIDE; EPITAXIAL GRAPHENE; MULTILAYER GRAPHENE; FORCE MICROSCOPY; CONTACT AREA; HALF-SPACE; FRICTION; FILMS; SHEAR; TRANSPARENT
Author Information
Reprint Address: Bongiorno, A (reprint author)
Georgia Inst Technol, Sch Phys, 837 State St, Atlanta, GA 30332 USA.
Addresses:
[ 1 ] Georgia Inst Technol, Sch Phys, Atlanta, GA 30332 USA [ 2 ] CUNY, Adv Sci Res Ctr, New York, NY 10031 USA [ 3 ] CUNY City Coll, New York, NY 10031 USA
[ 4 ] Hanyang Univ, Dept Appl Phys, Ansan 426791, South Korea [ 5 ] Natl Taiwan Normal Univ, Dept Phys, Taipei 116, Taiwan
[ 6 ] Univ Lyon, CNRS, INSA Lyon, LaMCoS UMR5259, F-69621 Villeurbanne, France [ 7 ] Univ Grenoble Alpes, CNRS, Inst Neel, F-38042 Grenoble, France
[ 8 ] King Abdulaziz Univ, Dept Phys, Jeddah 21589, Saudi Arabia [ 9 ] Politecn Milan, L NESS, Dept Phys, I-22100 Como, Italy [ 10 ] CUNY, Coll Staten Isl, Dept Chem, New York, NY 10314 USA
E-mail Addresses:[email protected]; [email protected]
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7
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All Times Cited Counts 7 in All Databases
7 in Web of Science Core Collection 0 in BIOSIS Citation Index 0 in Chinese Science Citation Database
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0 in Russian Science Citation Index 0 in SciELO Citation Index
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Wang, Guorui. \Measuring Interlayer Shear Stress in Bilayer Graphene . PHYSICAL REVIEW LETTERS, JUL 17 2017.
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٢٠١٧/ ٨/ ١٦ Web of Science [v.5.25.1] - Web of Science Core Collection Full Record
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Office of Basic Energy Sciences of the US Department of Energy DE-FG02-06ER46293National Science Foundation (NSF) CMMI 1436375
NSF DMR-0820382
CHE-0946869 European Flagship Graphene
Italian Cariplo Foundation 2011-0373
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Publisher
NATURE PUBLISHING GROUP, MACMILLAN BUILDING, 4 CRINAN ST, LONDON N1 9XW, ENGLAND
Categories / Classification
Research Areas: Chemistry; Materials Science; Physics
Web of Science Categories: Chemistry, Physical; Materials Science, Multidisciplinary; Physics, Applied; Physics, Condensed Matter
Document Information
Document Type: Article Language: English
Accession Number: WOS:000356631200023 PubMed ID: 26076304
ISSN: 1476-1122 eISSN: 1476-4660
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Table of Contents: Current Contents Connect Impact Factor: Journal Citation Reports
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IDS Number: CL0KI
Cited References in Web of Science Core Collection: 54 Times Cited in Web of Science Core Collection: 7
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