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Biosensing with ferromagnet-based magnetoresistive devices has been dominated by electrical detection of particle-induced changes to the devices' static magnetic configuration. There are however potential advantages to be gained from using…

PMMA and Poly carbonate (PC) are wonderful low cost materials which can be easily tailored and shaped. However they have poor mechanical, thermal and electrical properties which are required to be enhanced in several applications where…

Mesoscale and Nanoscale Physics · Physics 2015-04-29 Rajiv Bhandari , Neha Dhiman , Chetna Bajaj , Prashant Jindal , Keya Dharamvir , V. K. Jindal

We investigate polymer partitioning from polymer mixtures into nanometer size cavities by formulating an equation of state for a binary polymer mixture assuming that only one (smaller) of the two polymer components can penetrate the cavity.…

Soft Condensed Matter · Physics 2015-06-11 Rudolf Podgornik , Jaime Hopkins , V. Adrian Parsegian , Murugappan Muthukumar

We perform experimental study of turbulent transport of nanoparticles in convective turbulence with the Rayleigh number $\sim 10^8$ in the air flow. We measure temperature field in many locations by a temperature probe equipped with 11…

Fluid Dynamics · Physics 2022-09-20 I. Shimberg , O. Shriki , O. Shildkrot , N. Kleeorin , A. Levy , I. Rogachevskii

Nano-scale confinement of polymer in cone-shaped geometries occurs in many experimental situations. A flexible polymer confined in a cone-shaped nano-channel is studied theoretically and using molecular dynamics simulations. Distribution of…

Soft Condensed Matter · Physics 2016-02-24 Narges Nikoofard , Hossein Fazli

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

Carboxylic functionalization (-COOH groups) of carbon nanotubes is known to improve their dispersion properties and increase the electrical conductivity of carbon-nanotube - polymer nanocomposites. We have studied experimentally the effects…

Polystyrene-based phosphorene nanocomposites were prepared by a solvent blending procedure allowing the embedding of black phosphorus (BP) nanoflakes in the polymer matrix. Raman spectroscopy, X Ray Diffraction and TEM microscopy were…

Polyurethane (PU) possesses excellent thermal properties, making it an ideal material for thermal insulation. Incorporating Phase Change Materials (PCMs) capsules into Polyurethane (PU) has proven to be an effective strategy for enhancing…

Computational Physics · Physics 2023-11-17 Bokai Liu , Yizheng Wang , Timon Rabczuk , Thomas Olofsson , Weizhuo Lu

The ordering of nanoparticles into predetermined configurations is of importance to the design of advanced technologies. In this work, we moderate the surface anchoring against the bulk elasticity of liquid crystals to dynamically shape…

Soft Condensed Matter · Physics 2023-12-01 Lisa Tran , Hye-Na Kim , Ningwei Li , Shu Yang , Kathleen J. Stebe , Randall D. Kamien , Martin F. Haase

Classical molecular dynamics (MD) simulations employing Brenner potential for intra-nanotube interactions and Van der Waals forces for polymer-nanotube interfaces are used to invetigate the thermal expansion and diffusion characteristics of…

Materials Science · Physics 2015-06-24 Chenyu Wei , Deepak Srivastava , Kyeongjae Cho

In this work, a theoretical study of phase equilibrium in mixtures of a calamitic nematic liquid crystal and hard spherical nanoparticles is presented. A mean-field thermodynamic model is used, where the interactions are considered to be…

Materials Science · Physics 2013-11-22 Ezequiel R. Soulé , Linda Reven , Alejandro D. Rey

Single-electron transistors would represent an approach for less power consuming microelectronic devices if room-temperature operation and industry-compatible fabrication were possible. We present a concept based on stripes of small,…

Materials Science · Physics 2017-07-18 Svenja Willing , Hauke Lehmann , Mirjam Volkmann , Christian Klinke

We report here metal to insulator transition, colossal Seebeck coefficient and ultralow thermal conductivity (0.0057th of its bulk value, significantly smaller than many well-known thermoelectric materials and silicon, showing potential…

Materials Science · Physics 2020-01-28 Vikash Sharma , Gunadhor Singh Okram , Yung-Kang Kuo

We investigate the near-field heat transfer between a semi-infinite medium and a nanoparticle made of composite materials. We show that, in the effective medium approximation, the heat transfer can be greatly enhanced by considering…

Mesoscale and Nanoscale Physics · Physics 2015-05-12 W. J. M. Kort-Kamp , P. I. Caneda , F. S. S. Rosa , F. A. Pinheiro

Polymer nanoparticle composites (PNC) with ultra high loading of nanoparticles (> 50%) have been shown to exhibit markedly improved strength, stiffness, and toughness simultaneously compared to the neat systems of their components. Recent…

Soft Condensed Matter · Physics 2020-07-01 Emily Y. Lin , Amalie L. Frischknecht , Robert A. Riggleman

Light weight and mechanically robust cellular polymer nanofilms provide materials solutions to many cutting-edge technologies, such as high-flux membrane filtration, ultrathin flexible energy storage, and skin-conformable devices. However,…

Materials Science · Physics 2020-11-24 Ping Gao , Qiao Gu , Jin Li , Runlai Li , Qinghua Zhang , Lu-tao Weng , Tianshou Zhao , T. X. Yu , Minhua Shao , Khalil Amine

In this work, electrically and thermally conductive poly (butylene terephthalate) nanocomposites were prepared by in-situ ring-opening polymerization of cyclic butylene terephthalate (CBT) in presence of a tin-based catalyst. One type of…

Materials Science · Physics 2016-10-28 S. Colonna , O. Monticelli , J. Gomez , C. Novara , G. Saracco , A. Fina

The reliability and safety of lithium-ion batteries can be affected by overheating issues. Phase change materials like paraffin due to their large heat capacities are among the best solutions for the thermal management of batteries. In this…

Computational Physics · Physics 2017-06-22 Bohayra Mortazavi , Hongliu Yang , Farzad Mohebbi , Gianaurelio Cuniberti , Timon Rabczuk

The main objective of the present study is to investigate the effect of adding nanoparticles at different concentrations and sizes to boiling distilled water on the nucleate pool boiling heat transfer performance. The major studied…

Applied Physics · Physics 2021-10-06 M. Abdelrashied , H. Yousery , M. Roshdy , M. Metwally , M. Ali , H. Elsawy , R. Saqr