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Boundary scattering in hierarchically disordered nanomaterials is an effective way to reduce the thermal conductivity of thermoelectric materials and increase their performance. In this work we investigate thermal transport in silicon based…

Materials Science · Physics 2019-02-27 Dhritiman Chakraborty , Laura de Sousa Oliveira , Neophytos Neophytou

Fiber-reinforced polymer composite (FRPC) materials are used extensively in various industries, such as aerospace, automobiles, and electronics packaging, due to their remarkable specific strength and desirable properties, such as enhanced…

Applied Physics · Physics 2024-03-27 Sabarinathan P Subramaniyan , Jonathan D Boehnlein , Pavana Prabhakar

Correlations between electrical and thermal conduction in polymer composites are blurred due to the complex contribution of charge and heat carriers at the nanoscale junctions of filler particles. Conflicting reports on the lack or…

Applied Physics · Physics 2022-10-18 Navid Sarikhani , Zohreh S. Arabshahi , Abbas Ali Saberi , Alireza Z. Moshfegh

Superconducting properties of thin films can be vastly different from those of bulk materials. Seminal work has shown the critical temperature Tc of elemental superconductors decreases with decreasing film thickness when the normal-state…

Disorder driven superconductor to insulator transition via intermediate metallic regime is reported in nano-crystalline thin films of molybdenum. The nano-structured thin films have been deposited at room temperature using DC magnetron…

Superconductivity · Physics 2017-04-03 Shilpam Sharma , E. P. Amaladass , Neha Sharma , V. Harimohan , S. Amirthapandian , Awadhesh Mani

Heat conduction in a random packing of hard spheres is studied by nonequilibrium molecular dynamics simulation. We find a hard-sphere random packing shows higher thermal conductivity than a crystalline packing with same packing fraction.…

Statistical Mechanics · Physics 2010-12-15 Shigenori Matsumoto , Tomoaki Nogawa , Takashi Shimada , Nobuyasu Ito

The results of experimental researches of electroconductivity of PVC films, plasticized by patented modifier, at fields below the breakdown level are described. A possibility of management of the repeated transitions between two states with…

Soft Condensed Matter · Physics 2010-03-30 D. V. Vlasov , L. A. Apresian , V. I. Krystob , T. V. Vlasova

Nanofluids are suspensions of nanoparticles and fibers which have recently attracted much attention due to their superior thermal properties. Here, nanofluids are studied in the sense of nanofins transversally attached to a surface, so that…

Mesoscale and Nanoscale Physics · Physics 2010-11-23 Eliodoro Chiavazzo , Pietro Asinari

We suppose and develop a simple quantitative model of polymer film conductivity. This model can be seen as a further development of the ideas of Vlasov, Apresyan et al. The main point of the model is that conducting islands exist, and the…

Soft Condensed Matter · Physics 2015-03-17 Andrey Dmitrievich Vlasov

Harvesting low-grade heat to electricity is attractive for powering wearable electronic devices. Here, we demonstrate nW-scale thermoelectric power generation in devices from thin film assemblies of microwave-synthesized p-Sb2Te3 nanoplates…

Carbon nanotube networks are one of the candidate materials to function as malleable, transparent, conducting films, with the technologically promising application of being used as flexible electronic displays. Nanotubes disorderly…

Mesoscale and Nanoscale Physics · Physics 2013-02-22 Luiz F. C. Pereira , M. S. Ferreira

Graphitic carbon nitride nanosheets are among 2D attractive materials due to presenting unusual physicochemical properties.Nevertheless, no adequate information exists about their mechanical and thermal properties. Therefore, we used…

Materials Science · Physics 2017-04-17 B Mortazavi , G Cuniberti , T Rabczuk

Amorphous polymers are known as thermal insulators, increasing their thermal conductivities have not been guided by fully understood physics. In this work, we use molecular dynamics simulations to study the thermal transport mechanism of…

Soft Condensed Matter · Physics 2019-04-03 Xingfei Wei , Tengfei Luo

Thermal conductivity measurement techniques for materials with nanoscale dimensions require fabrication of very complicated devices or their applicability is limited to a class of materials. Discovery of new methods with high thermal…

We conducted density functional theory (DFT) and molecular dynamics simulations to explore the mechanical/failure, thermal conductivity and stability, electronic and optical properties of three N-graphdiyne nanomembranes. Our DFT results of…

Computational Physics · Physics 2018-05-14 Bohayra Mortazavi , Meysam Makaremi , Masoud Shahrokhi , Zheyong Fan , Timon Rabczuk

Achieving ultra-low thermal conductivity under ambient conditions is a fundamental challenge constrained by classical heat transport limits and material design trade-offs. Here, we introduce a new class of nano-bubble wrap architectures…

Materials Science · Physics 2025-07-18 Amalya C. Johnson , Sorren Warkander , Archana Raja , Fang Liu

High temperature polymer-based dielectric capacitors are crucial for application in electronic power systems. However, the storage performance of conventional dielectrics polymer dramatically deteriorates due to the thermal breakdown under…

This chapter introduces the thermal conductivity of a novel one-dimensional carbon nanostructure - diamond nanothread. It starts by introducing the family of the diamond nanothread as acquired from density functional theory calculations and…

Materials Science · Physics 2018-03-20 Haifei Zhan , Yuantong Gu

We demonstrate in this work, that expanded graphite (EG) can lead to a very large enhancement in thermal conductivity of polyetherimide-graphene and epoxy-graphene nanocomposites prepared via solvent casting technique. A k value of 6.56…

Materials Science · Physics 2022-03-15 Fatema Tarannum , Swapneel Danayat , Avinash Nayal , Rajmohan Muthaiah , Jivtesh Garg

Nanostructuring materials at small scales enables control over their physical properties, revealing behaviors not observed at larger dimensions. This strategy is particularly effective in two-dimensional (2D) materials, where surface…