339 citations · 2.3k across the 34 of their papers we have counts for
34 papers
Comment on A novel two-dimensional boron carbon nitride (BCN) monolayer: A first-principles insight [J. Appl. Phys. 2021, 130, 114301]
Bohayra Mortazavi, Fazel Shojaei, Mehdi Neek-Amal
Recently, Bafekry et al. [J. Appl. Phys. 130, 114301(2021)] reported their density functional theory (DFT) results on the structural, phonon dispersion, elastic constants and elect…
Self-limiting growth of two-dimensional palladium between graphene oxide layers
Yang Su, Eric Prestat, Chengyi Hu +9
The ability of different materials to display self-limiting growth has recently attracted enormous attention due to the importance of nanoscale materials in applications for cataly…
Electrically controlled water permeation through graphene oxide membranes
K. -G. Zhou, K. S. Vasu, C. T. Cherian +14
Developing 'smart' membranes that allow precise and reversible control of molecular permeation using external stimuli would be of intense interest for many areas of science: from p…
Transport of hydrogen isotopes through interlayer spacing in van der Waals crystals
S. Hu, K. Gopinadhan, A. Rakowski +7
Atoms start behaving as waves rather than classical particles if confined in spaces commensurate with their de Broglie wavelength. At room temperature this length is only about one…
Anomalous Dynamical Behavior of Freestanding Graphene Membranes
M. L. Ackerman, P. Kumar, M. Neek-Amal +3
We report subnanometer, high-bandwidth measurements of the out-of-plane (vertical) motion of atoms in freestanding graphene using scanning tunneling microscopy. By tracking the ver…
Van der Waals pressure and its effect on trapped interlayer molecules
K. S. Vasu, E. Prestat, J. Abraham +9
Van der Waals assembly of two-dimensional (2D) crystals continue attract intense interest due to the prospect of designing novel materials with on-demand properties. One of the uni…
Commensurability Effects in Viscosity of Nanoconfined Water
Mehdi Neek-Amal, F. M. Peeters, I. V. Grigorieva +1
The rate of water flow through hydrophobic nanocapillaries is greatly enhanced as compared to that expected from macroscopic hydrodynamics. This phenomenon is usually described in…
Graphene Ripples as a Realization of a Two-Dimensional Ising Model: A Scanning Tunneling Microscope Study
J. K. Schoelz, P. Xu, V. Meunier +4
Ripples in pristine freestanding graphene naturally orient themselves in an array that is alternately curved-up and curved-down; maintaining an average height of zero. Using scanni…
Multilayer graphene, Moiré patterns, grain boundaries and defects identified by scanning tunneling microscopy on the m-plane, non-polar surface of SiC
P. Xu, D. Qi, J. K. Schoelz +9
Epitaxial graphene is grown on a non-polar n+ 6H-SiC m-plane substrate and studied using atomic scale scanning tunneling microscopy. Multilayer graphene is found throughout the sur…
Thermal mirror buckling in freestanding graphene locally controlled by scanning tunneling microscopy
M. Neek-Amal, P. Xu, J. K. Schoelz +5
Knowledge of and control over the curvature of ripples in freestanding graphene are desirable for fabricating and designing flexible electronic devices, and recent progress in thes…
Unusual ultralow frequency fluctuations in freestanding graphene
P. Xu, M. Neek-Amal, S. D. Barber +5
Intrinsic ripples in freestanding graphene have been exceedingly difficult to study. Individual ripple geometry was recently imaged using scanning tunneling microscopy, but these m…
Self-Organized Platinum Nanoparticles on Freestanding Graphene
Peng Xu, Lifeng Dong, Mehdi Neek-Amal +8
Freestanding graphene membranes were successfully functionalized with platinum nanoparticles (Pt NPs). High-resolution transmission electron microscopy revealed a homogeneous distr…
Membrane amplitude and triaxial stress in twisted bilayer graphene deciphered using first-principles directed elasticity theory and scanning tunneling microscopy
M. Neek-Amal, P. Xu, D. Qi +7
Twisted graphene layers produce a moiré pattern (MP) structure with a predetermined wavelength for given twist angle. However, predicting the membrane corrugation amplitude for any…
Graphene on hexagonal lattice substrate: Stress and Pseudo-magnetic field
M. Neek-Amal, F. M. Peeters
Moir'e patterns in the pseudo-magnetic field and in the strain profile of graphene (GE) when put on top of a hexagonal lattice substrate are predicted from elasticity theory. %whic…
Graphene on boron-nitride: Moiré pattern in the van der Waals energy
M. Neek-Amal, F. M. Peeters
The spatial dependence of the van der Waals (vdW) energy between graphene and hexagonal boron-nitride (h-BN) is investigated using atomistic simulations. The van der Waals energy b…
Realization of free-standing silicene using bilayer graphene
M. Neek-Amal, A. Sadeghi, G. R. Berdiyorov +1
The available synthesized silicene-like structures have been only realized on metallic substrates which are very different from the standalone buckled silicene, e.g. the Dirac cone…
Electronic structure of graphene hexagonal flake subjected to triaxial stress
M. Neek-Amal, L. Covaci, Kh. Shakouri +1
The electronic properties of a triaxially strained hexagonal graphene flake with either armchair or zig-zag edges are investigated using molecular dynamics simulations and tight-bi…
Electronic properties of graphene nano-flakes: Energy gap, permanent dipole, termination effect and Raman spectroscopy
Sandeep Kumar Singh, M. Neek-Amal, F. M. Peeters
The electronic properties of graphene nano-flakes (GNFs) with different edge passivation is investigated by using density functional theory. Passivation with F and H atoms are cons…
Melting of Partially Fluorinated Graphene: From Detachment of Fluorine Atoms to Large Defects and Random Coils
Sandeep Kumar Singh, S. Costamagna, M. Neek-Amal +1
The melting of fluorographene is very unusual and depends strongly on the degree of fluorination. For temperatures below 1000 K, fully fluorinated graphene (FFG) is thermo-mechanic…
Boron Nitride Monolayer: A Strain-Tunable Nanosensor
M. Neek-Amal, J. Beheshtian, A. Sadeghi +2
The influence of triaxial in-plane strain on the electronic properties of a hexagonal boron-nitride sheet is investigated using density functional theory. Different from graphene,…
Melting of graphene clusters
Sandeep Kumar Singh, M. Neek-Amal, F. M. Peeters
Density-functional tight-binding and classical molecular dynamics simulations are used to investigate the structural deformations and melting of planar carbon nano-clusters …
Spiral graphone and one sided fluorographene nano-ribbons
M. Neek-Amal, J. Beheshtian, F. Shayeganfar +3
The instability of a free-standing one sided hydrogenated/fluorinated graphene nano-ribbon, i.e. graphone/fluorographene, is studied using ab-initio, semiempirical and large scale…
Thermal properties of fluorinated graphene
S. K. Singh, S. Goverapet Srinivasan, M. Neek-Amal +3
Large scale atomistic simulations using the reactive force field approach (ReaxFF) are implemented to investigate the thermomechanical properties of fluorinated graphene (FG). A ne…
Nano-engineered non-uniform strain in graphene
M. Neek-Amal, L. Covaci, F. M. Peeters
Recent experiments showed that non-uniform strain can be produced by depositing graphene over pillars. We employed atomistic calculations to study the non-uniform strain and the in…