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Single layer molybdenum disulfide (SLMoS2), a semiconductor possesses intrinsic bandgap and high electron mobility, has attracted great attention due to its unique electronic, optical, mechanical and thermal properties. Although thermal…

Mesoscale and Nanoscale Physics · Physics 2019-06-14 Han Meng , Dengke Ma , Xiaoxiang Yu , Lifa Zhang , Zhijia Sun , Nuo Yang

Thermal properties of molybdenum disulfide (MoS$_2$) have recently attracted attention related to fundamentals of heat propagation in strongly anisotropic materials, and in the context of potential applications to optoelectronics and…

We derive, from an empirical interaction potential, an analytic formula for the elastic bending modulus of single-layer MoS2 (SLMoS2). By using this approach, we do not need to define or estimate a thickness value for SLMoS2, which is…

Materials Science · Physics 2013-10-03 Jin-Wu Jiang , Zenan Qi , Harold S. Park , Timon Rabczuk

Thermal transport in single layer molybdenum disulfide (MoS2) is critical to advancing its applications. In this paper, we use molecular dynamics (MD) simulations with first-principles force constants to study the isotope effect on the…

Materials Science · Physics 2015-10-06 Xufei Wu , Nuo Yang , Tengfei Luo

Large-scale atomistic simulations using the reactive empirical bond order force field approach is implemented to investigate thermal and mechanical properties of single-layer (SL) and multi-layer (ML) molybdenum disulfide (MoS$_2$). The…

Materials Science · Physics 2015-06-23 Sandeep Kumar Singh , M. Neek-Amal , S. Costamagna , F. M. Peeters

Both electron and phonon transport properties of single layer MoS2 (SLMoS2) are studied. Based on first-principles calculations, the electrical conductivity of SLMoS2 is calculated by Boltzmann equations. The thermal conductivity of SLMoS2…

Mesoscale and Nanoscale Physics · Physics 2015-12-07 Zelin Jin , Quanwen Liao , Haisheng Fang , Zhichun Liu , Wei Liu , Zhidong Ding , Tengfei Luo , Nuo Yang

An ability of different molecular potentials to reproduce the properties of 2D molybdenum disulphide polymorphs is examined. Structural and mechanical properties, as well as phonon dispersion of the 2H, 1T and 1T' single-layer MoS2 (SL…

Materials Science · Physics 2021-01-25 Marcin Maździarz

Ultrathin layers of semiconducting molybdenum disulfide (MoS2) offer significant prospects in future electronic and optoelectronic applications. Although an increasing number of experiments bring light into the electronic transport…

Mesoscale and Nanoscale Physics · Physics 2014-07-10 Jing Wu , Hennrik Schmidt , Amara Kiran Kumar , Xiangfan Xu , Goki Eda , Barbaros Özyilmaz

We present our study on atomic, electronic, magnetic and phonon properties of one dimensional honeycomb structure of molybdenum disulfide (MoS$_2$) using first-principles plane wave method. Calculated phonon frequencies of bare armchair…

Materials Science · Physics 2011-05-24 C. Ataca , H. Şahin , E. Aktürk , S. Ciraci

We study the phonon modes in single-walled MoS$_{2}$ nanotubes via the lattice dynamics calculation and molecular dynamics simulation. The phonon spectra for tubes of arbitrary chiralities are calculated from the dynamical matrix…

Materials Science · Physics 2014-03-19 Jin-Wu Jiang , Bing-Shen Wang , Timon Rabczuk

Two-dimensional (2D) molybdenum disulfide (MoS2) has attracted significant attention because of its outstanding properties, suitable for application in several critical technologies like, solar cells, photocatalysis, lithium-ion batteries,…

Computational Physics · Physics 2018-06-13 Mostafa Hasanian , Bohayra Mortazavi , Alireza Ostadhossein , Timon Rabczuk , Adri C. T. van Duin

Layered molecular materials and especially MoS2 are already accepted as promising candidates for nanoelectronics. In contrast to the bulk material, the observed electron mobility in single-layer MoS2 is unexpectedly low. Here we reveal the…

Materials Science · Physics 2013-05-30 Andrey N. Enyashin , Maya Bar-Sadan , Lothar Houben , Gotthard Seifert

Edge structures are highly relevant to the electronic, magnetic and catalytic properties of two-dimensional (2D) transition metal dichalcogenides (TMDs) and their one dimensional (1D) counterpart, i.e., nanoribbons, which should be…

Materials Science · Physics 2018-10-18 Wei Huang , Xiaowei Wang , Xujing Ji , Ze Zhang , Chuanhong Jin

Molybdenum disulfide nanoribbons with zigzag edges show ferromagnetic and metallic properties based on previous \emph{ab-initio} calculations. The investigation of the role of disorder on the magnetic properties is, however, still lacking…

Mesoscale and Nanoscale Physics · Physics 2019-09-18 Péter Vancsó , Imre Hagymási , Pauline Castenetto , Philippe Lambin

We employ Molecular Dynamics (MD) simulations to study atom vibrational amplitudes in carbon-supported Molybdenum Disulphide (MoS2) nanoparticles. Enhanced and correlated atom vibrational amplitudes are observed as the nanoparticle edges…

Materials Science · Physics 2025-09-11 Patrick Giese , Mathias Stokkebye Nissen , Stig Helveg , Jakob Schiøtz

Establishment of a new technique or extension of an existing technique for thermal and thermoelectric measurements to a more challenging system is an important task to explore the thermal and thermoelectric properties of various materials…

Mesoscale and Nanoscale Physics · Physics 2018-03-22 Adili Aiyiti , Xue Bai , Jing Wu , Xiangfan Xu , Baowen Li

We study the transport properties of deeply scaled monolayer MoS2 n-channel metal-oxide-semiconductor field effect transistors (MOSFETs) using full-band ballistic quantum transport simulations with an atomistic tight-binding Hamiltonian…

Mesoscale and Nanoscale Physics · Physics 2013-11-27 Jiwon Chang , Leonard F. Register , Sanjay K. Banerjee

Monolayer molybdenum disulfide (MoS2) has a honeycomb crystal structure. We consider the triangular sublattice of molybdenum atoms and introduce a simple tight-binding Hamiltonian for studying the phase transition and topological…

Mesoscale and Nanoscale Physics · Physics 2019-12-30 Hamidreza Simchi

Modifying phonon thermal conductivity in nanomaterials is important not only for fundamental research but also for practical applications. However, the experiments on tailoring the thermal conductivity in nanoscale, especially in…

Mesoscale and Nanoscale Physics · Physics 2018-02-27 Adili Aiyiti , Shiqian Hu , Chengru Wang , Qing Xi , Zhaofang Cheng , Minggang Xia , Yanling Ma , Jianbo Wu , Jie Guo , Qilang Wang , Jun Zhou , Jie Chen , Xiangfan Xu , Baowen Li

We perform classic molecular dynamics simulations to comparatively investigate the mechanical properties of single-layer MoS2 and a graphene/MoS2/graphene heterostructure under uniaxial tension. We show that the lattice mismatch between…

Materials Science · Physics 2014-07-29 Jin-Wu Jiang , Harold S. Park
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