549 citations · 2k across the 66 of their papers we have counts for
24 papers · 1 filter
Effective stick-slip parameter for structurally lubric 2D interface friction
Jin Wang, Andrea Vanossi, Erio Tosatti
The wear-free sliding of layers or flakes of graphene-like 2D materials, important in many experimental systems, may occur either smoothly or through stick-slip, depending on drivi…
Rheological softening of metal nanocontacts sheared under oscillatory strains
Ali Khosravi, Jin Wang, Andrea Silva +2
The way metal interfaces evolve during frictional sliding, and how that evolution can be externally influenced under external drivers are important questions, hard to investigate e…
Anisotropic Rheology and Friction of Suspended Graphene
Andrea Mescola, Andrea Silva, Ali Khosravi +4
Graphene is a powerful membrane prototype for both applications and fundamental research. Rheological phenomena including indentation, twisting, and wrinkling in deposited and susp…
Sliding and Pinning in Structurally Lubric 2D Material Interfaces
Jin Wang, Ali Khosravi, Andrea Vanossi +1
A plethora of two-dimensional (2D) materials entered the physics and engineering scene in the last two decades. Their robust, membrane-like sheet permit -- mostly require -- deposi…
Amplitude Nanofriction Spectroscopy
Antoine Lainé, Andrea Vanossi, Antoine Niguès +2
Atomic scale friction, an indispensable element of nanotechnology, requires a direct access to, under actual growing shear stress, its successive live phases: from static pinning,…
Current trends in the physics of nanoscale friction
N. Manini, G. Mistura, G. Paolicelli +2
Tribology, which studies surfaces in contact and relative motion, includes friction, wear, and lubrication, straddling across different fields: mechanical engineering, materials sc…
Graphene on h-BN: to align or not to align?
Roberto Guerra, Merel van Wijk, Andrea Vanossi +2
The contact strength, adhesion and friction, between graphene and an incommensurate crystalline substrate such as {\it h}-BN depends on their relative alignment angle . The well…
Electrical charging effects on the sliding friction of a model nano-confined ionic liquid
Rosario Capozza, Andrea Benassi, Andrea Vanossi +1
Recent measurements suggest the possibility to exploit ionic liquids (ILs) as smart lubricants for nano-contacts, tuning their tribological and rheological properties by charging t…
Squeezout phenomena and boundary layer formation of a model ionic liquid under confinement and charging
R. Capozza, A. Vanossi, A. Benassi +1
Electrical charging of parallel plates confining a model ionic liquid down to nanoscale distances yields a variety of charge-induced changes in the structural features of the confi…
High-pressure lubricity at the meso- and nanoscale
A. Vanossi, A. Benassi, N. Varini +1
The increase of sliding friction upon increasing load is a classic in the macroscopic world. Here we discuss the possibility that friction rise might sometimes turn into a drop whe…
Optimal Energy Dissipation in Sliding Friction Simulations
A. Benassi, A. Vanossi, G. E. Santoro +1
Non-equilibrium molecular dynamics simulations, of crucial importance in sliding friction, are hampered by arbitrariness and uncertainties in the removal of the frictionally genera…
Ballistic nanofriction
Roberto Guerra, Ugo Tartaglino, Andrea Vanossi +1
Sliding parts in nanosystems such as Nano ElectroMechanical Systems (NEMS) and nanomotors, increasingly involve large speeds, and rotations as well as translations of the moving su…
Suppression of friction by mechanical vibrations
Rosario Capozza, Andrea Vanossi, Alessandro Vezzani +1
Mechanical vibrations are known to affect frictional sliding and the associated stick-slip patterns causing sometimes a drastic reduction of the friction force. This issue is relev…
Tribology of the lubricant quantized-sliding state
Ivano Eligio Castelli, Rosario Capozza, Andrea Vanossi +3
In the framework of Langevin dynamics, we demonstrate clear evidence of the peculiar quantized sliding state, previously found in a simple 1D boundary lubricated model [Phys. Rev.…
Nonlinear hysteretic behavior of a confined sliding layer
N. Manini, G. E. Santoro, E. Tosatti +1
A nonlinear model representing the tribological problem of a thin solid lubricant layer between two sliding periodic surfaces is used to analyze the phenomenon of hysteresis at pin…
Role of transverse displacements for a quantized-velocity state of the lubricant
Ivano Eligio Castelli, Nicola Manini, Rosario Capozza +3
Within the idealized scheme of a 1-dimensional Frenkel-Kontorova-like model, a special "quantized" sliding state was found for a solid lubricant confined between two periodic layer…
Lubricated friction between incommensurate substrates
Andrea Vanossi, Giuseppe E. Santoro, Nicola Manini +2
This paper is part of a study of the frictional dynamics of a confined solid lubricant film - modelled as a one-dimensional chain of interacting particles confined between two idea…
Static friction on the fly: velocity depinning transitions of lubricants in motion
A. Vanossi, N. Manini, F. Caruso +2
The dragging velocity of a model solid lubricant confined between sliding periodic substrates exhibits a phase transition between two regimes, respectively with quantized and with…
Gold Clusters Sliding on Graphite: a Possible Quartz Crystal Microbalance Experiment?
Stoyan Pisov, Erio Tosatti, Ugo Tartaglino +1
A large measured 2D diffusion coefficient of gold nanoclusters on graphite has been known experimentally and theoretically for about a decade. When subjected to a lateral force, th…
Solitons and exact velocity quantization of incommensurate sliders
Nicola Manini, Marco Cesaratto, Giuseppe E. Santoro +2
We analyze in some detail the recently discovered velocity quantization phenomena in the classical motion of an idealized one-dimensional solid lubricant, consisting of a harmonic…
Hysteresis from dynamically pinned sliding states
Andrea Vanossi, Giuseppe E. Santoro, Nicola Manini +2
We report a surprising hysteretic behavior in the dynamics of a simple one-dimensional nonlinear model inspired by the tribological problem of two sliding surfaces with a thin soli…
Kink plateau dynamics in finite-size lubricant chains
Marco Cesaratto, Nicola Manini, Andrea Vanossi +2
We extend the study of velocity quantization phenomena recently found in the classical motion of an idealized 1D model solid lubricant -- consisting of a harmonic chain interposed…
Asymmetric frictional sliding between incommensurate surfaces
Giuseppe E. Santoro, Andrea Vanossi, Nicola Manini +2
We study the frictional sliding of two ideally incommensurate surfaces with a third incommensurate sheet - a sort of extended lubricant - in between. When the mutual ratios of the…
Exactly quantized dynamics of classical incommensurate sliders
Andrea Vanossi, Nicola Manini, Giorgio Divitini +2
We report peculiar velocity quantization phenomena in the classical motion of an idealized 1D solid lubricant, consisting of a harmonic chain interposed between two periodic slider…