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The strikingly different charge transport behaviors in nanocomposites of multiwall carbon nanotubes (MWNTs) and conducting polymer polyethylene dioxythiophene - polystyrene sulfonic acid (PEDOT-PSS) at low temperatures are explained by…

Mesoscale and Nanoscale Physics · Physics 2015-05-28 Paramita Kar Choudhury , S. Ramaprabhu , K. P. Ramesh , Reghu Menon

Nanofluids are known to have significantly different thermal properties relative to the corresponding conventional fluids. Heat transfer at the solid-fluid interface affects the thermal properties of nanofluids. The current work helps in…

Applied Physics · Physics 2020-10-14 Zeeshan Ahmed , Atul Bhargav

We have shown theoretically that a combination of cross-section modulation and acoustic mismatch in the core-shell Si/Ge nanowires can lead to a drastic reduction of the thermal conductivity. Our calculations, which utilized two different…

Mesoscale and Nanoscale Physics · Physics 2015-06-16 Denis L. Nika , Alexandr I. Cocemasov , Dmitrii V. Crismari , Alexander A. Balandin

We report a new approach to the thermal conductivity manipulation -- substrate coupling. Generally, the phonon scattering with substrates can decrease the thermal conductivity, as observed in recent experiments. However, we find that at…

Mesoscale and Nanoscale Physics · Physics 2015-05-19 Zhixin Guo , Dier Zhang , Xin-Gao Gong

This study focuses on the synthesis and characterization of advanced polymeric composite electrospun nanofibers (NFs) containing magnetic oxide nanoparticles (NPs). By leveraging the method of electrospinning, the research aims to…

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

Sub-micron-thick layers of hexagonal boron nitride (hBN) exhibit high in-plane thermal conductivity, useful optical properties, and serve as dielectric encapsulation layers with low electrostatic inhomogeneity for graphene devices. Despite…

Surface interaction is extremely important to both fundamental research and practical application. Physisorption can induce shape and structural distortion (i.e. conformational changes) in macromolecular and biomolecular adsorbates, but…

To achieve high thermal conductivity (k) of polymer graphene nanocomposites, it is critically important to achieve efficient thermal coupling between graphene and its surrounding polymers through effective functionalization schemes. In this…

This study investigates into the adsorption sensing capabilities of single-walled (5,5) boron nitride nanotubes (BNNTs) towards environmental pollutant gas molecules, including CH2, SO2, NH3, H2Se, CO2 and CS2. Employing a linear…

Computational Physics · Physics 2025-11-07 Chaithanya Purushottam Bhat , Joy Mukherjee , Antara Banerjee , Debashis Bandyopadhyay

The influence of substrate treatment with self-assembled monolayers and thermal annealing was analysed by electrical and structural measurements on field-effect transistors (FETs) and metal-insulator-semiconductor (MIS) diodes using…

Soft Condensed Matter · Physics 2007-05-23 S. Grecu , M. Roggenbuck , A. Opitz , W. Bruetting

The observation of substantially enhanced superconductivity of single-layer FeSe films on SrTiO3 has stimulated intensive research interest. At present, conclusive experimental data on the corresponding electron-boson interaction is still…

A nanophononic metamaterial is a new type of nanostructured material that features an array, or a forest, of intrinsically distributed resonating substructures. Each substructure exhibits numerous local resonances, each of which may…

Mesoscale and Nanoscale Physics · Physics 2021-09-01 Hossein Honarvar , Mahmoud I. Hussein

We report experimental and computational studies of thermal transport properties in hexagonal boron nitride (hBN) encapsulated molybdenum disulfide (MoS2) structure using refined optothermal Raman techniques, and reveal very high…

Mesoscale and Nanoscale Physics · Physics 2021-02-11 Fan Ye , Qingchang Liu , Baoxing Xu , Philip X. -L. Feng , Xian Zhang

Carbon nanoscrolls (CNSs) are structures formed by rolling up graphene layers into a papyruslike shape. CNNs have been experimentally produced by different groups. Boron nitride nanoscrolls (BNNSs) are similar structures using boron nitride…

Materials Science · Physics 2014-02-28 Eric Perim , Douglas S. Galvao

Boundary-engineering in nanostructures has the potential to dramatically impact the development of materials for high-efficiency conversion of thermal energy directly into electricity. In particular, nanostructuring of semiconductors can…

Materials Science · Physics 2016-10-04 Giuseppe Romano , Alexie M. Kolpak

SnO2 porous nanosolid (PNS) was prepared by a solvothermal hot-press method, and a new strategy was developed to improve its interfacial crystallinity and carrier mobility. It was found that the carrier mobility of SnO2 PNS was improved…

Materials Science · Physics 2015-08-28 Chunhong Luan , Chao Wang , Bao Xu , Yujing Geng , Liangmin Zhang , Qilong Wang , Deliang Cui

We perform molecular dynamics simulations to investigate the reduction of the thermal conductivity by kinks in silicon nanowires. The reduction percentage can be as high as 70% at room temperature. The temperature dependence of the…

Materials Science · Physics 2013-08-14 Jin-Wu Jiang , Nuo Yang , Bing-Shen Wang , Timon Rabczuk

In this study, by means of classical molecular dynamics simulations, we investigated the thermal transport properties of hexagonal single-layer, zinc-blend and wurtzite phases of BN, AlN, and GaN crystals, which are very promising for the…

Mesoscale and Nanoscale Physics · Physics 2020-04-13 Yenal Karaaslan , Haluk Yapicioglu , Cem Sevik

Investigating thermal transport in van der Waals heterostructure is of scientific interest and practical importance for their applications in a broad range. In this work, thermal conductivity of one-dimensional heterostructure consisting of…

Mesoscale and Nanoscale Physics · Physics 2021-01-01 Han Meng , Shigeo Maruyama , Rong Xiang , Nuo Yang