Journal ArticleDOI
Measurement of the Elastic Properties and Intrinsic Strength of Monolayer Graphene
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TLDR
Graphene is established as the strongest material ever measured, and atomically perfect nanoscale materials can be mechanically tested to deformations well beyond the linear regime.Abstract:
We measured the elastic properties and intrinsic breaking strength of free-standing monolayer graphene membranes by nanoindentation in an atomic force microscope. The force-displacement behavior is interpreted within a framework of nonlinear elastic stress-strain response, and yields second- and third-order elastic stiffnesses of 340 newtons per meter (N m(-1)) and -690 Nm(-1), respectively. The breaking strength is 42 N m(-1) and represents the intrinsic strength of a defect-free sheet. These quantities correspond to a Young's modulus of E = 1.0 terapascals, third-order elastic stiffness of D = -2.0 terapascals, and intrinsic strength of sigma(int) = 130 gigapascals for bulk graphite. These experiments establish graphene as the strongest material ever measured, and show that atomically perfect nanoscale materials can be mechanically tested to deformations well beyond the linear regime.read more
Citations
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Large-Area Chemically Modified Graphene Films: Electrophoretic Deposition and Characterization by Soft X-ray Absorption Spectroscopy
Vincent Lee,Luisa Whittaker,Cherno Jaye,Kristen M. Baroudi,Daniel A. Fischer,Sarbajit Banerjee +5 more
TL;DR: In this paper, a facile, rapid, and scalable electrophoretic deposition approach is developed for the fabrication of large-area chemically derived graphene films on conductive substrates based on the electrostatic deposition of graphene oxide and reduced graphene oxide components.
Journal ArticleDOI
Magnetic Fe3O4-graphene oxide/polystyrene: Fabrication and characterization of a promising nanocomposite
TL;DR: In this paper, a novel magnetic composite of graphene oxide and polystyrene (NanoFe 3 O 4 @GO/PS) was fabricated through two steps, i.e., a simple and effective one-pot co-precipitation of iron (II) and chlorides, in the presence of the graphene oxide (GO), resulted in the fabrication of the magnetite-GO hybrid-nanoparticles.
Journal ArticleDOI
Temperature- and thickness-dependent electrical conductivity of few-layer graphene and graphene nanosheets
TL;DR: In this paper, the authors established a calculation model of the conductivity of multilayer graphene based on Boltzmann transport equation and 2D electron gas theory, and showed that the conductivities of few-layer graphene and graphene nanosheets are reduced when thickness is increased.
Journal ArticleDOI
Two-Dimensional Transition Metal Carbides and Nitrides (MXenes): Synthesis, Properties, and Electrochemical Energy Storage Applications
Chuanfang (John) Zhang,Yonglu Ma,Xuetao Zhang,Sina Abdolhosseinzadeh,Sina Abdolhosseinzadeh,Hongwei Sheng,Wei Lan,Amir Pakdel,Jakob Heier,Frank Nüesch,Frank Nüesch +10 more
Journal ArticleDOI
High frequency MoS2 nanomechanical resonators
TL;DR: The experimental results from many devices with a wide range of thicknesses and lateral sizes, in combination with theoretical analysis, quantitatively elucidate the elastic transition regimes in these ultrathin MoS2 nanomechanical resonators.
References
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Journal ArticleDOI
Raman spectrum of graphene and graphene layers.
Andrea C. Ferrari,Jannik C. Meyer,Vittorio Scardaci,Cinzia Casiraghi,Michele Lazzeri,Francesco Mauri,S. Piscanec,Da Jiang,K. S. Novoselov,S. Roth,A. K. Geim +10 more
TL;DR: This work shows that graphene's electronic structure is captured in its Raman spectrum that clearly evolves with the number of layers, and allows unambiguous, high-throughput, nondestructive identification of graphene layers, which is critically lacking in this emerging research area.
Journal ArticleDOI
Two-dimensional atomic crystals
Kostya S. Novoselov,Da Jiang,Fred Schedin,Timothy J. Booth,V. V. Khotkevich,Sergey V. Morozov,Andre K. Geim +6 more
TL;DR: By using micromechanical cleavage, a variety of 2D crystals including single layers of boron nitride, graphite, several dichalcogenides, and complex oxides are prepared and studied.
Journal ArticleDOI
The Phenomena of Rupture and Flow in Solids
TL;DR: In this article, the authors investigated the effect of surface scratches on the mechanical strength of solids, and some general conclusions were reached which appear to have a direct bearing on the problem of rupture, from an engineering standpoint, and also on the larger question of the nature of intermolecular cohesion.
Book
Physical properties of crystals
TL;DR: In this paper, the physical properties of crystals systematically in tensor notation are presented, presenting tensor properties in terms of their common mathematical basis and the thermodynamic relations between them.
Journal ArticleDOI
Strength and breaking mechanism of multiwalled carbon nanotubes under tensile load
TL;DR: The tensile strengths of individual multiwalled carbon nanotubes (MWCNTs) were measured with a "nanostressing stage" located within a scanning electron microscope and a variety of structures were revealed, such as a nanotube ribbon, a wave pattern, and partial radial collapse.