English
Related papers

Related papers: Highly Stretchable MoS$_2$ Kirigami

200 papers

Monolayers (ML) of Group-6 transition-metal dichalcogenides (TMDs) are semiconducting two-dimensional materials with direct bandgap, showing promising applications in various fields of science and technology, such as nanoelectronics and…

Computational Physics · Physics 2020-06-24 Mohammad Bahmani , Mahdi Faghihnasiri , Michael Lorke , Agnieszka-Beata Kuc , Thomas Frauenheim

Biology is full of intricate molecular structures whose geometries are inextricably linked to their function. Many of these structures exhibit varying curvature, such as the helical structure of the bacterial flagellum, which is critical…

Few-layer GaSe is one of the latest additions to the family of 2D semiconducting crystals whose properties under strain are still relatively unexplored. Here, we study rippled nanosheets that exhibit a periodic compressive and tensile…

Mesoscale and Nanoscale Physics · Physics 2019-03-07 David Maeso , Sahar Pakdel , Hernan Santos , Nicolas Agrait , Juan Jose Palacios , Elsa Prada , Gabino Rubio-Bollinger

Rigid origami, with applications ranging from nano-robots to unfolding solar sails in space, describes when a material is folded along straight crease line segments while keeping the regions between the creases planar. Prior work has found…

Metric Geometry · Mathematics 2022-04-27 Johnna Farnham , Thomas C. Hull , Aubrey Rumbolt

The objective of the present paper is to investigate the mechanical properties of carbon nanotubes. We use classical molecular dynamics simulation in order to study the effect of external compression, bending and torsion to nanotubes. We…

Mesoscale and Nanoscale Physics · Physics 2014-11-27 N. Stefanakis

Via numerical simulation and experimental assessment, this study examines the use of origami folding to develop robotic jumping mechanisms with tailored nonlinear stiffness to improve dynamic performance. Specifically, we use Tachi-Miura…

Robotics · Computer Science 2020-10-28 Sahand Sadeghi , Samuel Allison , Blake Betsill , Suyi Li

Ni-doped MoS$_2$ is a layered material with useful tribological, optoelectronic, and catalytic properties. Experiment and theory on doped MoS$_2$ has focused mostly on monolayers or finite particles: theoretical studies of bulk Ni-doped…

Materials Science · Physics 2021-07-01 Enrique Guerrero , Rijan Karkee , David A. Strubbe

We propose a steep-slope MoS2-nanoribbon field-effect transistor that exploits a narrow-energy conduction band to intrinsically filter out the thermionic tail of the electron energy distribution. We study the device operation principle and…

Mesoscale and Nanoscale Physics · Physics 2020-02-19 D. Logoteta , M. G. Pala , J. Choukroun , P. Dollfus , G. Iannaccone

The properties of Mo_6S_6 nanowires were investigated with ab-initio calculations based on the density-functional theory. The molecules build weakly coupled one-dimensional chains, like Mo_6Se_6 and Mo_6S_(9-x)I_x, and the crystals are…

Materials Science · Physics 2007-05-23 I. Vilfan

Molybdenum disulfide (MoS2) is a highly attractive 2D material due to its interesting electronic properties. Recent experimental advances confirm the possibility of further tuning the electronic properties of MoS2 through the fabrication of…

Materials Science · Physics 2017-04-17 B Mortazavi , A Ostadhossein , T Rabczuk , ACT van Duin

A powerful technique is introduced for simulating mechanical and electromechanical properties of one-dimensional nanostructures under arbitrary combinations of bending, twisting, and stretching. The technique is based on a novel control of…

Mesoscale and Nanoscale Physics · Physics 2016-09-28 Pekka Koskinen

We carried out fully-atomistic reactive molecular dynamics simulations to study the elastic properties and fracture patterns of transition metal dichalcogenide (TMD) MoX2 (X=S, Se, Te) membranes, in their 2H and 1T phases, within the…

The ability to control magnetism with strain offers innovative pathways for the modulation of magnetic domain configurations and for the manipulation of magnetic states in materials on the nanoscale. Although the effect of strain on…

In this paper, we propose a combined modeling of molecular mechanics (MM) and the tight-binding (TB) approach, which enables us to study the effect of factors such as external local forces, constraints, and vacancy defects on electronic…

Computational Physics · Physics 2021-03-11 Mahnoosh Rostami , Isa Ahmadi , Farhad Khoeini

In this work, we study the thermal energy transport properties of twin graphene, which has been introduced recently as a new two-dimensional carbon nano structure. The thermal conductivity is investigated using non-equilibrium molecular…

Computational Physics · Physics 2020-12-30 Fatemeh Rezaee , Farrokh Yousefi , Farhad Khoeini

We study the two-filament insulin fibril's structure by incorporating recent simulation results and mechanical measurements. Our investigation suggests that the persistence length measurement correlates well with the previously proposed…

Soft Condensed Matter · Physics 2008-08-03 Chiu Fan Lee

This work presents the electronic and transport properties of bilayer borophene nanoribbons. In the first part, a four-orbital tight-binding model is derived by fitting the \emph{ab initio} band structure. The transport properties of…

Mesoscale and Nanoscale Physics · Physics 2025-02-18 C. J. Páez-González , C. E. Ardila-Gutiérrez , D. A. Bahamon

We report on the fabrication and characterization of synthesized multiwall MoS2 nanotube (NT) and nanoribbon (NR) field-effect transistors (FETs). The MoS2 NTs and NRs were grown by chemical transport, using iodine as a transport agent.…

Mesoscale and Nanoscale Physics · Physics 2015-06-23 Sara Fathipour , Maja Remskar , Ana Varlec , Arvind Ajoy , Rusen Yan , Suresh Vishwanath , Wan Sik Hwang , Huili , Xing , Debdeep Jena , Alan Seabaugh

Graphene ribbons with a suspended proof mass for nanomechanical systems have been rarely studied. Here, we report three types of nanomechanical devices consisting of graphene ribbons (two ribbons, four ribbons-cross and four…

Mesoscale and Nanoscale Physics · Physics 2024-10-03 Xuge Fan , Chang He , Jie Ding , Sayedeh Shirin Afyouni Akbari , Wendong Zhang

We find a closed-form expression for the Poisson's coefficient of curved-crease variants of the ``Miura ori'' origami tessellation. This is done by explicitly constructing a continuous one-parameter family of isometric piecewise-smooth…

Soft Condensed Matter · Physics 2023-10-13 Asma Karami , Adam Reddy , Hussein Nassar