中文
相关论文

相关论文: Significantly enhanced polymer thermal conductivit…

200 篇论文

Two-dimensional (2D) materials have attracted significant interest due to their tunable physical properties when stacked into homo- and hetero-structures. Twisting adjacent layers introduces moir\'{e} patterns that strongly influence the…

An atomistic study of the thermal properties of lithiated molybdenum disulfide (MoS2) is presented and an explanation for the experimentally determined anisotropic behavior of the in- and through-plane thermal conductivity is proposed.…

材料科学 · 物理学 2019-03-13 Teutë Bunjaku , Mathieu Luisier

Two-dimensional (2D) molybdenum disulfide (MoS2) nanosheets have attracted attention as a promising and cost-effective alternative catalyst for the hydrogen evolution reaction (HER). However, their aggregation and poor conductivity limit…

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…

材料科学 · 物理学 2022-02-16 Chen Shen , Lei Wang , Donghai Wei , Yixuan Zhang , Guangzhao Qin , Xing-Qiu Chen , Hongbin Zhang

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…

材料科学 · 物理学 2015-06-15 Mohamed Boukhicha , Matteo Calandra , Marie-Aude Measson , Ophelie Lancry , Abhay Shukla

Transition metal dichalcogenide (TMD) bilayers are a new class of tunable moir\'e systems attracting interest as quantum simulators of strongly-interacting electrons in two dimensions. In particular, recent theory predicts that the…

强关联电子 · 物理学 2021-01-01 Kevin Slagle , Liang Fu

In this work we present a molecular dynamics investigation of thermal transport in a silica-gallium nitride nanocomposite. A surprising enhancement of the thermal conductivity for crystalline volume fractions larger than 5% is found, which…

In this article, we review thermal transport in polymers with different morphologies from aligned fibers to bulk amorphous states. We survey early and recent efforts in engineering polymers with high thermal conductivity by fabricating…

材料科学 · 物理学 2020-12-22 Xingfei Wei , Zhi Wang , Zhiting Tian , Tengfei Luo

Atomically thin materials such as graphene and semiconducting transition metal dichalcogenides (TMDCs) have attracted extensive interest in recent years, motivating investigation into multiple properties. In this work, we demonstrate a…

材料科学 · 物理学 2015-09-24 Xian Zhang , Dezheng Sun , Yilei Li , Gwan-Hyoung Lee , Xu Cui , Daniel Chenet , Yumeng You , Tony Heinz , James Hone

Although many prototype devices based on two-dimensional (2D) MoS2 have been fabricated and wafer scale growth of 2D MoS2 has been realized, the fundamental nature of 2D MoS2-metal contacts has not been well understood yet. We provide a…

介观与纳米尺度物理 · 物理学 2015-07-03 Hongxia Zhong , Zeyuan Ni , Yangyang Wang , Meng Ye , Zhigang Song , Yuanyuan Pan , Ruge Quhe , Jinbo Yang , Li Yang , Junjie Shi , Jing Lu

The non-equilibrium structural and dynamical properties of a flexible polymer tethered to a reflecting wall and subject to oscillatory linear flow are studied by numerical simulations. Polymer is confined in two dimensions and is modeled as…

软凝聚态物质 · 物理学 2024-07-30 A. Lamura

Bilayer (BL) molybdenum disulfide (MoS$_2$) is one of the most important electronic structures not only in valleytronics but also in realizing twistronic systems on the basis of the topological mosaics in Moir\'e superlattices. In this…

材料科学 · 物理学 2023-04-17 Xingjia Cheng , Wen Xu , Hua Wen , Jing Zhang , Heng Zhang , Haowen Li , Qingqing Chen

The transport of polymers with folded configurations across membrane pores is investigated theoretically by analyzing simple discrete stochastic models. The translocation dynamics is viewed as a sequence of two events: motion of the folded…

统计力学 · 物理学 2009-11-13 Stanislav Kotsev , Anatoly B. Kolomeisky

Thermal conductivities are routinely calculated in molecular dynamics simulations by keeping the boundaries at different temperatures and measuring the slope of the temperature profile in the bulk of the material, explicitly using Fourier's…

统计力学 · 物理学 2021-04-13 Yuanyang Ren , Kai Wu , David Cubero

Microparticles including paraffin are currently used for textiles coating in order to deaden thermal shocks. We will show that polymer nanoparticles embedded in those microsized capsules allow for decreasing the thermal conductivity of the…

材料科学 · 物理学 2007-11-30 Po Chapuis , Sourabh Kumar Saha , S. Volz

MoS2 is one of the most investigated and promising transition-metal dichalcogenides. Its popularity stems from the interesting properties of the monolayer phase, which can serve as the fundamental block for numerous applications. In this…

材料科学 · 物理学 2024-07-30 Riccardo Dettori , Francesco Siddi , Luciano Colombo , Claudio Melis

Different types of graphene-related materials (GRM) are industrially available and have been exploited for thermal conductivity enhancement in polymers. These include materials with very different features, in terms of thickness, lateral…

Equilibration of polymer melts containing highly entangled long polymer chains in confinement or with free surfaces is a challenge for computer simulations. We approach this problem by first studying polymer melts based on the soft-sphere…

软凝聚态物质 · 物理学 2020-10-14 Hsiao-Ping Hsu , Kurt Kremer

Interlayer coupling can significantly influence the physical properties of layered transition metal compounds. The superconductivity in layered Mo$_2$C systems, belonging to the emergent family of MXene, has garnered considerable attention.…

超导电性 · 物理学 2024-02-22 Can Hong , Danhong Wu , Xi-Bo Li , Feipeng Zheng

We study thermal transport in folded graphene nanoribbons using molecular dynamics simulations and the non-equilibrium Green's function method. It is found that the thermal conductivity of flat graphene nanoribbons can be modulated by…

介观与纳米尺度物理 · 物理学 2015-06-05 Nuo Yang , Xiaoxi Ni , Jin-Wu Jiang , Baowen Li