superlubricity of graphite induced by multiple

Theoretical Simulation of Atomic Force Microscope Based

The theoretical simulation of atomic force microscope (AFM) images is performed using a model of a multiple-atom diamond tip scanned on a graphite substrate surface. It is clarified how the AFM images and the force distributions change as the load varies. The effect of the tip apex structure is examined by tilting the tip and by using two different tips. In the

Graphene and other 2D materials: a multidisciplinary

Graphene, a single layer of graphite, is undoubtedly the most famous 2-dimensional material (2DM), due to its outstanding properties that can be exploited in various applications, ranging from electronics to composites and biomedical applications [1-3].

Publications

Articles in scientific Journals from 2019 - 2020 102) Carlos Pimentel, Karine Mougin, Enrico Gnecco, Carlos M. Pina: Formation of zabuyelite, Li 2 CO 3, on dolomite and kutnohorite {10.4} surfaces from supersaturated and undersaturated solutions: Growth behavior and anomalous friction at the nanoscale, Journal of Crystal Growth, Volume 550 (2020) 125892, DOI: 10.1016/j.jcrysgro.2020.125892

Carbon

The different forms or allotropes of carbon (see below) include one of the softest known substances, graphite, and also the hardest naturally occurring substance, diamond.Moreover, it has an affinity for bonding with other small atoms, including other carbon atoms, and is capable of forming multiple stable covalent bonds with such atoms.

Graphene and other 2D materials: a multidisciplinary

Graphene, a single layer of graphite, is undoubtedly the most famous 2-dimensional material (2DM), due to its outstanding properties that can be exploited in various applications, ranging from electronics to composites and biomedical applications [1-3].

Publications

Yong Pei, Jing Ma, Electric Field Induced Switching Behaviors of Monolayer-Modified Silicon Surfaces: Surface Designs and Molecular Dynamics Simulations J. Am. Chem. Soc. 2005,127(18),6802-6813. Wang Y, Ma J, Inagaki S, et al. [2+2] cycloaddition reactions of ethylene derivatives with the Si(100)-2x1 surface: A theoretical study J. Phys. Chem. B 109 (11): 5199-5206 MAR 24 2005.

Iron

2021/4/22Stress-induced reactions at the sliding interface during relative movement are known to cause structural or chemical modifications in contacting materials. The nature of these modifications at the atomic level and formation of byproducts in an oil-free environment, however, remain poorly understood and pose uncertainties in predicting the tribological performance of the complete tribosystem.

Superlubricity of Graphite Induced by Multiple Transferred

Superlubricity of Graphite Induced by Multiple Transferred Graphene Nanoflakes Advanced Science ( IF 15.840) Jinjin Li,Tianyang Gao,Jianbin Luo 2D or 3D layered materials, such as graphene, graphite, and molybdenum disulfide, usually exhibit superlubricity properties when sliding occurs between the incommensurate interface lattices.

Bilkent Journal Publications

S. Cahangirov, S. Ciraci, V.O. Ozcelik, Superlubricity through graphene multilayers between Ni(111) surfaces, Physical Review B, 87, 205428-1--7 (2013) PDF V.O. Ozcelik, S. Ciraci, Nanoscale Dielectric Capacitors Composed of Graphene and Boron Nitride Layers: A First-Principles Study of High Capacitance at Nanoscale, J of Physical Chemistry C, 117, 15327-15334 (2013) PDF

Cover Story

Nanodiamonds, another component of Sumant's research into superlubricity, are made using a well-known commercial process in which TNT wrapped around graphite is detonated to produce a shock wave. The combination of high temperature and pressure converts the graphite into inexpensive nanoscale diamond particles.

Superlubricity of Graphite Induced by Multiple Transferred

Superlubricity of Graphite Induced by Multiple Transferred Graphene Nanoflakes Jinjin Li,* Tianyang Gao, and Jianbin Luo Prof. J. J. Li, T. Y. Gao, Prof. J. B. Luo State Key Laboratory of Tribology Tsinghua University Beijing 100084, China E-mail: lijinjinmail

Allotropes of carbon.pdf

Graphite, named by Abraham Gottlob Werner in 1789, from the Greek γράφειν (graphein, "to draw/write", for its use in pencils) is one of the most common allotropes of carbon. Unlike diamond, graphite is an electrical con- ductor. Thus, it can be used in, for

Carbon

The allotropes of carbon include graphite, one of the softest known substances, and diamond, the hardest naturally occurring substance.It bonds readily with other small atoms, including other carbon atoms, and is capable of forming multiple stable covalent bonds with suitable multivalent atoms.

Graphene Nanoflakes: Superlubricity of Graphite Induced

2018/3/1Superlubricity between graphite and silica is achieved under ambient conditions, induced by the formation of multiple transferred graphene nanoflakes (GNFs) on a silica surface. As reported by Jinjin Li and co‐workers in article number 1700616, the friction coefficient

Bulk Metallic Glass/Graphite Composites

Bulk Metallic Glass/Graphite Composites United States Patent Application 20090194205 Kind Code: A1 Abstract: A composite material based on a bulk metallic glass is disclosed. In an amorphous alloy phase forming a substantially continuous matrix, a

The breakdown of superlubricity by driving

The breakdown of superlubricity by driving-induced commensurate dislocations A. Benassi1,2, MingMa3, M. Urbakh3 A. Vanossi4,5 In the framework of a Frenkel-Kontorova-like model, we address the robustness of the superlubricity phenomenon in an edge

Superlubricity of metal

2020/8/1Superlubricity of graphite induced by multiple transferred graphene nanoflakes Adv. Sci., 5 (2018) J. Li, X. Ge, J. Luo Random occurrence of macroscale superlubricity of graphite enabled by tribo-transfer of multilayer graphene nanoflakes Carbon, 138 (2018)154

Superlubricity between MoS2 Monolayers, Advanced Materials 2017, 29, 1701474 Link1 PDF Jin Zhang #, Hao Hong #, Chao Lian #, Wei Ma, Xiaozhi Xu, Xu Zhou, Huixia Fu, Kaihui Liu* and Sheng Meng*. Interlayer-State-Coupling Dependent Ultrafast Charge Transfer in MoS2/WS2 Bilayers, Advanced Science 2017, 4, 1700086 Link1 PDF

Growth and electronic properties of bi

The presence of the iridium substrate imposes a periodic potential induced by the moir pattern that was found to lead to the formation of replica bands and minigaps in bilayer graphene. From tight-binding fits to our ARPES data we find that band renormalization takes place in multilayer graphene due to a weaker coupling of the upper-most graphene layer to the iridium substrate.

Superlubricity of carbon nanostructural films enhanced by

2020/7/15Here, we constituted graphite-like carbon (GLC) and FL carbon (FLC) films as a tribological pair in dry N 2 atmosphere, and reported that macroscopic superlubricity is achievable by the formation of graphene nanoscrolls conveyed by multiple structures co 2.

Direct synthesis of metastable phases of 2D transition

lithium-induced structural transformations in the CVD grown 2H–MoS 2 flakes appear to be thickness-dependent. 114 The increased energy barrier of the 2H-to-1T phase transition in MoS 2 monolayers implies much longer treatment time in order to 114

Chemical and physical origins of friction on surfaces with

2019/8/19They achieved superlubricity in the experimental setup when the strain induced by the topography and interlocking, as well as chemical bonding at the shear plane were negligible. The team observed large friction in the setup when the step-up above the 0.34 nm high graphene step edge caused combined physical effects from topography and chemical effects due to interfacial bonding.

Carbon

The allotropes of carbon include graphite, one of the softest known substances, and diamond, the hardest naturally occurring substance.It bonds readily with other small atoms, including other carbon atoms, and is capable of forming multiple stable covalent bonds with suitable multivalent atoms.

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