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Silver nanoparticles embedded in a dielectric matrix are investigated for their potential as broadband-absorbing optical sensor materials. This contribution focuses on the electrical properties of silver nanoparticles at various…

Materials Science · Physics 2011-06-21 Haoyan Wei , Hergen Eilers

We study the optical and electrical properties of silver films with a graded thickness obtained through metallic evaporation in vacuum on a tilted substrate to evaluate their use as semitransparent electrical contacts. We measure their…

Nanostructured materials and nanocomposites have shown great promise for improving the efficiency of thermoelectric materials. Herein, Fe nanoparticles were imbedded into a CrN matrix by combining two physical vapor deposition approaches,…

The results of investigation of kinetics of nanopores filling into membranes from aluminum oxide (pore diameter - 200 nm, porosity ~ 50%) at electrodeposition of copper and silver are described. It is shown, that at identical quantity of…

Mesoscale and Nanoscale Physics · Physics 2007-07-06 P. G. Globa , E. A. Zasavitsky , V. G. Kantser , S. P. Sidelinikova , A. I. Dikusar

Nanocomposites made of polymer films embedding silver nanoparticles were prepared by thermal annealing of poly-(vinyl) alcohol films containing AgNO3. Low (2.5% w:w) and high (25% w:w) doping concentration of silver nitrate were considered…

Materials Science · Physics 2015-06-05 Corentin Guyot , Michel Voué

Carbon nanofibres (CNF) were dispersed into an epoxy resin using a combination of ultrasonication and mechanical mixing. The electronic transport properties of the resulting composites were investigated by means of impedance spectroscopy.…

Materials Science · Physics 2008-02-29 Aïssa Allaoui , Suong V. Hoa , Martin D. Pugh

Ta-doped SnO$_2$ films with high conductivity and high optical transparency have been successfully fabricated using rf-sputtering method and their electrical transport properties have been investigated. All films reveal degenerate…

Disordered Systems and Neural Networks · Physics 2022-02-17 Zong-Hui Gao , Zi-Xiao Wang , Dong-Yu Hou , Xin-Dian Liu , Zhi-Qing Li

The intricate interplay between complex permittivity and permeability constitutes the cornerstone of electromagnetic (EM) applications, enabling precise customization for various uses. This study employed silver-epoxy nano-composites to…

Applied Physics · Physics 2025-03-27 Bo-Wei Tseng , Tsun-Hsu Chang

The electronic functionality of thin films is governed by their interfaces. This is very important for the ferroelectric (FE) state which depends on thin-film clamping and interfacial charge transfer. Here we show that in a heterostructure…

Mesoscale and Nanoscale Physics · Physics 2020-02-24 Michael Huth , Achim Rippert , Roland Sachser , Lukas Keller

Cross-plane electrical and thermal transport in thin films of a conducting polymer (poly(3,4-ethylenedioxythiophene), PEDOT) stabilized with trifluoromethanesulfonate (OTf) is investigated in this study. We explore their electrical…

Materials Science · Physics 2022-06-16 K. Kondratenko , D. Guerin , X. Wallart , S. Lenfant , D. Vuillaume

Metal mixed polymers are a cheap and effective way to produce flexible metals and superconductors. As part of an on-going effort to learn how to tune the properties of these systems with ion implantation, we present a study of the…

Materials Science · Physics 2009-06-15 Andrew P. Stephenson , Ujjual Divakar , Adam P. Micolich , Paul Meredith , Ben J. Powell

The thermal properties of an epoxy-based binary composites comprised of graphene and copper nanoparticles are reported. It is found that the "synergistic" filler effect, revealed as a strong enhancement of the thermal conductivity of…

Spray deposition and inkjet printing of various nanostructures are emerging complementary methods for creating conductive coatings on different substrates. In comparison to established deposition techniques like vacuum metal coating and…

Electron transport is studied in surface oxidized single-crystal copper thin films with a thickness of up to 5.6 nm by applying density functional theory and density functional tight binding methods to determine electron transport…

Thin films of aluminum hafnium nitride (Al$_{1-x}$Hf$_{x}$N) were synthesized via reactive magnetron sputtering for Hf contents up to $x$ = 0.13. X-ray diffraction showed a single $c$-axis oriented wurtzite phase for all films. Hard X-ray…

We report on the optical characterization of semicontinuous nanostructured silver films exhibiting tunable optical reflectance asymmetries. The films are obtained using a multi-step process, where a nanocrystalline silver film is first…

Optics · Physics 2015-05-20 Aiqing Chen , Miriam Deutsch

Crack-template-based transparent conductive films (TCFs) are promising kinds of junction-free, metallic network electrodes that can be used, e.g., for transparent electromagnetic interference (EMI) shielding. Using image processing of…

Disordered Systems and Neural Networks · Physics 2023-10-30 Yuri Yu. Tarasevich , Andrei V. Eserkepov , Irina V. Vodolazskaya

Conducting submicron particles are well-suited as filler particles in non-conducting polymer matrices to obtain a conducting composite with a low percolation threshold. Going to nanometer-sized filler particles imposes a restriction to the…

Materials Science · Physics 2009-11-13 L. J. Huijbregts , H. B. Brom , J. C. M. Brokken-Zijp , W. E. Kleinjan , M. A. J. Michels

The electrical resistivity of conventional metals, such as copper, is known to increase in thin films due to electron-surface scattering, limiting the performance of metals in nanoscale electronics. Here, we find an unusual reduction of…

Cluster-assembled metallic films show interesting electrical properties, both in the near-to-percolation regime, when deposited clusters do not form a complete layer yet, and when the film thickness is well above the electrical percolation…

Mesoscale and Nanoscale Physics · Physics 2021-12-20 Miquel López-Suárez , Claudio Melis , Luciano Colombo , Walter Tarantino
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