منابع مشابه
Superlubricity in layered nanostructures
Interaction between two surfaces in relative motion can give rise to energy dissipation and hence sliding friction. A significant portion of the energy is dissipated through the creation of non-equilibrium phonons. Recent advances in material synthesis have made the production of specific single layer honeycomb structures and their multilayer phases, such as graphene, graphane, fluorographene, ...
متن کاملSuperlubricity in Layered Nanostructures
Interaction between two surfaces in relativemotion can give rise to energy dissipation and hence sliding friction. A significant portion of the energy is dissipated through the creation of non-equilibrium phonons. Recent advances in material synthesis have made the production of specific single layer honeycomb structures and their multilayer phases, such as graphene, graphane, fluorographene, M...
متن کاملAdvances of Superlubricity
Superlubricity, as a new and an important area in tribology, has attracted more and more attentions from researchers over the world. In recent years, some new phenomena, new materials, and new mechanism both in liquid and solid superlubricity have been obtained. In the liquid area, a new system of superlubricity liquids has been found and the new mechanism has been proposed, which exhibits very...
متن کاملRobust Superlubricity in Graphene/h-BN Heterojunctions.
The sliding energy landscape of the heterogeneous graphene/h-BN interface is studied by means of the registry index. For a graphene flake sliding on top of h-BN, the anisotropy of the sliding energy corrugation with respect to the misfit angle between the two naturally mismatched lattices is found to reduce with the flake size. For sufficiently large flakes, the sliding energy corrugation is ex...
متن کاملEffect of temperature and velocity on superlubricity
We study the effects of temperature and sliding velocity on superlubricity in numerical simulations of the Frenkel-Kontorova model. We show that resonant excitations of the phonons in an incommensurate sliding body lead to an effective friction and to thermal equilibrium with energy distributed over the internal degrees of freedom. For finite temperature, the effective friction can be described...
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ژورنال
عنوان ژورنال: Applied Physics Letters
سال: 2019
ISSN: 0003-6951,1077-3118
DOI: 10.1063/1.5116142