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Related papers: Phosphorene as a nanoelectromechanical material

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The phonon thermal transport properties of twisted bi-layer graphene are investigated using lattice dynamics and the Boltzmann transport equation. The thermal conductivities of 13.2 and 21.8 twisted configurations are 56% and 36% lower than…

Mesoscale and Nanoscale Physics · Physics 2023-11-07 Shahid Ahmed , Shadab Alam , Ankit Jain

Controlling the bandgap through local-strain engineering is an exciting avenue for tailoring optoelectronic materials. Two-dimensional crystals are particularly suited for this purpose because they can withstand unprecedented…

We study transport properties of a phosphorene monolayer in the presence of single and multiple potential barriers of height $U_0$ and width $d$, using both continuum and microscopic lattice models, and show that the nature of electron…

Mesoscale and Nanoscale Physics · Physics 2017-06-28 Sangita De Sarkar , Amit Agarwal , K. Sengupta

Electronic DNA sequencing using two-dimensional (2D) materials such as graphene has recently emerged as the next-generation of DNA sequencing technology. Owing to its commercial availability and remarkable physical and conductive…

Mesoscale and Nanoscale Physics · Physics 2022-01-05 Matthew B. Henry , Mukesh Tumbapo , Kolby Wilson , Benjamin O. Tayo

We study theoretically the structural and electronic response of layered bulk black phosphorus to in-layer strain. Ab initio density functional theory (DFT) calculations reveal that the strain energy and interlayer spacing display a strong…

Materials Science · Physics 2016-10-04 Jie Guan , Wenshen Song , Li Yang , David Tomanek

We investigate the combined influence of structural defects and uniaxial longitudinal strain on the electronic transport properties of armchair graphene nanoribbons using the numerical approach based on the semiempirical tight-binding…

Mesoscale and Nanoscale Physics · Physics 2013-09-30 Thomas Lehmann , Dmitry A. Ryndyk , Gianaurelio Cuniberti

We study the electron/hole transport in puddle-disordered and rough graphene samples which are subject to in-plane magnetic fields. Previous treatments, mostly devoted to regimes where the electron/hole scattering wavelengths are larger…

Mesoscale and Nanoscale Physics · Physics 2015-04-15 R. R. Brandão , L. Moriconi

Using molecular dynamics (MD) simulations, we explore the structural stability and mechanical integrity of phosphorene nanotubes (PNTs), where the intrinsic strain in the tubular PNT structure plays an important role. It is proposed that…

Materials Science · Physics 2016-05-04 Xiangbiao Liao , Feng Hao , Hang Xiao , Xi Chen

A thorough understanding of the microscopic picture of heat conduction in solids is critical to a broad range of applications, from thermal management of microelectronics to more efficient thermoelectric materials. The transport properties…

Materials Science · Physics 2021-02-04 Yujie Quan , Shengying Yue , Bolin Liao

In this work, we demonstrate interfacial charge transfer-driven transport enhancement in few-layer graphene monolayer MoS2 vertical heterostructure field-effect transistor. Raman scattering and Raman intensity mapping results confirm the…

We study the electronic transport properties of two-dimensional (2D) fully-hydrogenated borophene (namely, borophane), using the density functional theory and non-equilibrium Green's function approaches. Borophane shows a perfect electrical…

Materials Science · Physics 2018-10-17 Yipeng An , Jutao Jiao , Yusheng Hou , Hui Wang , Dapeng Wu , Tianxing Wang , Zhaoming Fu , Guoliang Xu , Ruqian Wu

We investigate the impact of strained nanobubbles on the conductance characteristics of graphene nanoribbons using a combined molecular dynamics - tight-binding simulation scheme. We describe in detail how the conductance, density of…

Mesoscale and Nanoscale Physics · Physics 2015-09-30 D. A. Bahamon , Zenan Qi , Harold S. Park , Vitor M. Pereira , David K. Campbell

We calculated a spin-polarized conductance in the almost unexplored nanostructure "high temperature ferromagnetic insulator/ graphene/ ferroelectric film" with a special attention to the impact of electric polarization rotation in a…

Materials Science · Physics 2020-09-02 Eugene A. Eliseev , Anna N. Morozovska , Maksym V. Strikha

Mechanical deformations, either spontaneously occurring during sample preparation or purposely induced in their nanoscale manipulation, drastically affect the electronic and optical properties of transition metal dichalcogenide monolayers.…

Materials Science · Physics 2024-02-16 Stefan Velja , Jannis Krumland , Caterina Cocchi

Nanoporous materials are a promising platform for thermoelectrics in that they offer high thermal conductivity tunability while preserving good electrical properties, a crucial requirement for high- effciency thermal energy conversion.…

Materials Science · Physics 2017-09-20 Giuseppe Romano , Jeffrey C. Grossman

We investigate the longitudinal and transverse piezoresistance effect in suspended graphene in the ballistic regime. Utilizing parametrized tight binding Hamiltonian from ab initio calculations along with Landauer quantum transport…

Mesoscale and Nanoscale Physics · Physics 2020-01-08 Abhinaba Sinha , Abhishek Sharma , Ashwin Tulapurkar , V Ramgopal Rao , Bhaskaran Muralidharan

Thermal transport property of homogeneous twisted molybdenum disulfide (MoS$_2$) is investigated using non-equilibrium molecular dynamics simulations with the state-of-art force fields. The simulation results demonstrate that the…

Computational Physics · Physics 2023-10-16 Wenwu Jiang , Ting Liang , Jianbin Xu , Wengen Ouyang

Phagraphene is a novel 2D carbon allotrope with interesting electronic properties which has been recently theoretically proposed. Phagraphene is similar to a defective graphene structure with an arrangement of pentagonal, heptagonal and…

Materials Science · Physics 2017-04-07 Luiz Felipe C. Pereira , Bohayra Mortazavi , Meysam Makaremi , Timon Rabczuk

Conductive organic polymers can be formulated with polymers that incorporate fine dispersed metallic particles. In this work, we present a general model for ferrogels which are chemically cross-linked polymer networks swollen with a…

Chemical Physics · Physics 2016-09-08 J. P. Huang

Phosphorene is emerging as a promising 2D semiconducting material with a direct band gap and high carrier mobility. In this paper, we examine the role of the extrinsic point defects including surface adatoms in modifying the electronic…

Chemical Physics · Physics 2015-05-20 Gaoxue Wang , Ravindra Pandey , Shashi P. Karna
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