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Related papers: Nanostructured clathrates and clathrate-based nano…

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We demonstrate a substrate-supported thermometry platform to measure thermal conduction in nanomaterials like graphene, with no need to suspend them. We use three-dimensional simulations and careful uncertainty analysis to optimize the…

Materials Science · Physics 2014-07-24 Zuanyi Li , Myung-Ho Bae , Eric Pop

Semiconductors with very low lattice thermal conductivities are highly desired for applications relevant to thermal energy conversion and management, such as thermoelectrics and thermal barrier coatings. Although the crystal structure and…

Materials Science · Physics 2021-07-13 Jiangang He , Yi Xia , Wenwen Lin , Koushik Pal , Yizhou Zhu , Mercouri G. Kanatzidis , Chris Wolverton

The temperature dependence of structural properties for infinitely long gold nanowires is studied. The molecular dynamics simulation method and the embedded-atom potential are used. The wires constructed at T=0 K with a face-centered cubic…

Materials Science · Physics 2009-10-31 G. Bilalbegovic

A recent area of interest in thermal applications has been nanofluids, with extensive research conducted in the field, and numerous publications expounding on new results coming to the fore. The properties of such fluids depend on their…

Applied Physics · Physics 2019-05-14 Ansab Jan , Burhan Mir , Ahmad A Mir

Engineered nanoparticles made from noble metals, rare-earth oxides or semiconductors are emerging as the central constituents of future nanotech developments. In this review, a survey of the complexing strategies between nanoparticles and…

Materials Science · Physics 2011-08-25 J. -P. Chapel , J. -F. Berret

We report structural, magnetic and dielectric properties of Co1.5Fe1.5O4 nanoparticles and their composites with non-magnetic NaNO3. The samples were derived from metal nitrates solution at different pH values. The chemical routed sample…

Materials Science · Physics 2012-03-15 R. N. Bhowmik , P. Lokeswara Rao , J. Udaya Bhanu

Thermoelectric materials, enabling the directing conversion between heat and electricity, are one of the promising candidates for overcoming environmental pollution and the upcoming energy shortage caused by the over-consumption of fossil…

Materials Science · Physics 2018-05-09 Min Hong , Zhi-Gang Chen , Jin Zou

Understanding the covalent clathrate formation is a crucial point for the design of new superhard materials with intrinsic coupling of superhardness and metallic conductivity. Silicon clathrates have the archetype structures that can serve…

In the present work, the morphology and the electrical and thermal conduction properties of co-continuous poly(vinylidene fluoride) (PVDF), maleated polypropylene (PPgMA) and multiwall carbon nanotubes (CNT) nanostructured blends are…

Applied Physics · Physics 2019-10-31 Samuele Colonna , Zhidong Han , Alberto Fina

The properties of bulk nanostructured materials are often controlled by atomic scale features like segregation along defects or composition gradients. Here we discuss about the complimentary use of TEM and APT to obtain a full description…

Materials Science · Physics 2009-04-15 Xavier Sauvage , Williams Lefebvre , Cécile Genevois , S. Ohsaki , Kazuhiro Hono

Recent years witnessed a rapid growth of interest of scientific and engineering communities to thermal properties of materials. Carbon allotropes and derivatives occupy a unique place in terms of their ability to conduct heat. The…

Materials Science · Physics 2015-05-28 Alexander A. Balandin

Nanoscale polar structures are significant for understanding polarization processes in low-dimensional systems and hold potential for developing high-performance electronics. Here, we demonstrate a polar vortex superstructure arising from…

The authors report on synthesis and thermal properties of the electrically-conductive thermal interface materials with the hybrid graphene-metal particle fillers. The thermal conductivity of resulting composites was increased by ~500% in a…

Mesoscale and Nanoscale Physics · Physics 2015-06-04 Vivek Goyal , Alexander A. Balandin

Nickel carbon nanotube composites with varying amounts of carbon nanotubes are deformed by high pressure torsion at different deformation temperatures to high strains, where no further refinement of the Nickel matrix microstructure is…

Nanofluids are suspensions of nanoparticles in a base heat-transfer liquid. They have been widely investigated to boost heat transfer since they were proposed in the 1990's. We present a statistical correlation analysis of experimentally…

Soft Condensed Matter · Physics 2021-11-11 J. Tielke , M. Maas , M. Castillo , K. Rezwan , M. Avila

Combining various carbon nanofillers with different dimensions can lead to a synergistic effect through the formation of an efficient conductive network. Hybrid polyurethane (PU) nanocomposites containing multi-walled carbon nanotubes…

Applied Physics · Physics 2020-12-10 Amir Navidfar , Levent Trabzon

Controlling the temperature in architectures involving nanoparticles and substrates is a key issue for applications involving micro and nanoscale heat transfer. We study the thermal behavior of a single nanoparticle interacting with a flat…

Optics · Physics 2017-03-03 Houssem Kallel , Rémi Carminati , Karl Joulain

Embedding nanostructures within a bulk matrix is an important practical approach towards the electronic engineering of high performance thermoelectric systems. For power generation applications, it ideally combines the efficiency benefit…

Mesoscale and Nanoscale Physics · Physics 2015-10-12 Aniket Singha , Subhendra D. Mahanti , Bhaskaran Muralidharan

Plasmonic structures are renowned for their capability to efficiently convert light into heat at the nanoscale. However, despite the possibility to generate deep sub-wavelength electromagnetic hot spots, the formation of extremely localized…

At the forefront of nanochemistry, there exists a research endeavor centered around intermetallic nanocrystals, which are unique in terms of long-range atomic ordering, well-defined stoichiometry, and controlled crystal structure. In…

Chemical Physics · Physics 2018-03-16 Yucong Yan , Jingshan S. Du , Kyle D. Gilroy , Deren Yang , Younan Xia , Hui Zhang