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Related papers: Thermal Transport in MoS$_2$ from Molecular Dynami…

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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

Recently, three-component new fermions in topological semimetal MoP are experimentally observed, which may have potential applications like topological qubits, low-power electronics and spintronics. These are closely related to thermal…

Materials Science · Physics 2017-07-04 San-Dong Guo

We characterize heat dissipation of supported molybdenum disulfide (MoS$_2$) monolayers grown by chemical vapor deposition by means of ambient-condition scanning thermal microscopy (SThM). We find that the thermal boundary conductance of…

The standard equilibrium Green-Kubo and nonequilibrium molecular dynamics (MD) methods for computing thermal transport coefficients in solids typically require relatively long simulation times and large system sizes. To this end, we revisit…

Materials Science · Physics 2019-03-05 Zheyong Fan , Haikuan Dong , Ari Harju , Tapio Ala-Nissila

Over the past few years, there has been a growing interest in layered transition metal dichalcogenides (TMD) such as molybdenum disulfide (MoS2). Most studies so far have focused on the electronic and optoelectronic properties of…

Mesoscale and Nanoscale Physics · Physics 2016-10-03 Morteza Kayyalha , Jesse Maassen , Mark Lundstrom , Li Shi , Yong P. Chen

Rhenium disulfide (ReS2) is a unique TMDC with a strong in-plane anisotropy and weak interlayer coupling. The pronounced anisotropy in the thermal conductivity observed in bulk ReS2 flakes (exceeding 60 nm) makes them valuable for…

Mesoscale and Nanoscale Physics · Physics 2025-06-12 Manavendra Pratap Singh , Akshay Naik

Molybdenum disulfide (MoS$_2$) is a promising material for making two-dimensional crystals and flexible electronic and optoelectronic devices at the nanoscale. MoS$_2$ flakes can show high mobilities and have even been integrated in…

Materials Science · Physics 2015-06-15 Mohamed Boukhicha , Matteo Calandra , Marie-Aude Measson , Ophelie Lancry , Abhay Shukla

Understanding the thermal properties of two-dimensional (2D) materials and devices is essential for thermal management of 2D applications. Here we perform molecular dynamics simulations to evaluate both the specific heat of $MoS_{2}$ as…

Mesoscale and Nanoscale Physics · Physics 2019-08-02 Saurabh V. Suryavanshi , Alexander J. Gabourie , Amir Barati Farimani , Eric Pop

The two-dimensional layer of molybdenum disulfide (MoS2) has recently attracted much interest due to its direct-gap property and potential applications in optoelectronics and energy harvesting. However, the synthetic approach to obtain high…

One of the ultimate goals of computational modeling in condensed matter is to be able to accurately compute materials properties with minimal empirical information. First-principles approaches such as the density functional theory (DFT)…

Electronic and thermoelectric properties of a two-dimensional MoS2 monolayer containing atomic defects are investigated using density functional theory. All the atomic defects have been found to exhibit endothermic nature. Electronic…

Mesoscale and Nanoscale Physics · Physics 2019-05-17 Munish Sharma , Ashok Kumar , P. K. Ahluwalia

For conventional materials, the thermal conductivity of thin film is usually suppressed when the thickness decreases due to phonon-boundary scattering. However, this is not necessarily true for the van der Waals solids if the thickness is…

Materials Science · Physics 2016-03-01 Xiaokun Gu , Baowen Li , Ronggui Yang

The significantly weak interlayer coupling strength and puckered structure provide the novel layer-tolerant and anisotropic features in two-dimensional (2D) ReS2. These unique features offer an opportunity to modulate the optoelectronic,…

Materials Science · Physics 2025-11-20 Ashutosh Srivastava , Nikhilesh Maiity , Abhishek Kumar Singh

Electronic transport in monolayer MoS2 is significantly constrained by several extrinsic factors despite showing good prospects as a transistor channel material. Our paper aims to unveil the underlying mechanisms of the electrical and…

Mesoscale and Nanoscale Physics · Physics 2023-12-04 Anup Kumar Mandia , Rohit Kumar , Seung-Cheol Lee , Satadeep Bhattacharjee , Bhaskaran Muralidharan

We measure the thermal time constants of suspended single layer molybdenum disulfide drums by their thermomechanical response to a high-frequency modulated laser. From this measurement the thermal diffusivity of single layer MoS$_2$ is…

Mesoscale and Nanoscale Physics · Physics 2018-12-05 Robin J. Dolleman , David Lloyd , J. Scott Bunch , Herre S. J. van der Zant , Peter G. Steeneken

Molecular dynamics simulations play an important role in studying heat transport in complex materials. The lattice thermal conductivity can be computed either using the Green-Kubo formula in equilibrium MD (EMD) simulations or using…

Computational Physics · Physics 2018-05-02 Haikuan Dong , Zheyong Fan , Libin Shi , Ari Harju , Tapio Ala-Nisilla

The newly synthesized BeN4 monolayer has introduced a novel group of 2D materials called nitrogen-rich 2D materials. In the present study, the anisotropic mechanical and thermal properties of three members of this group, BeN4, MgN4, and…

Materials Science · Physics 2024-02-08 K. Ghorbani , P. Mirchi , S. Arabha , Ali Rajabpour , Sebastian Volz

With the miniaturization and integration of nanoelectronic devices, efficient heat removal becomes a key factor affecting the reliable operation of the nanoelectronic device. With the high intrinsic thermal conductivity, good mechanical…

Materials Science · Physics 2022-02-16 Chen Shen , Lei Wang , Donghai Wei , Yixuan Zhang , Guangzhao Qin , Xing-Qiu Chen , Hongbin Zhang

We carry out a systematic study of the thermal conductivity of four single-layer transition metal dichalcogenides, MX$_2$ (M = Mo, W; X = S, Se) from first-principles by solving the Boltzmann Transport Equation (BTE). We compare three…

Materials Science · Physics 2019-03-29 Pol Torres , Francesc Xavier Alvarez , Xavier Cartoixà , Riccardo Rurali

We report a record low thermal conductivity in polycrystalline MoS2 obtained by varying grain sizes and orientations in ultrathin films. By optimizing the sulphurisation parameters of nanometre-thick Mo layer, we could grow MoS2 films with…