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Related papers: 3D core@multishell piezoelectric nanogenerators

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Ferromagnetic-ferroelectric nanocomposites are of interest for realizing strong strain mediated coupling between electric and magnetic subsystems due to high surface area-to-volume ratio. This report is on the synthesis of nickel ferrite…

Materials Science · Physics 2017-12-27 G. Sreenivasulu , Jitao Zhang , Ru Zhang , M. Popov , V. M. Petrov , G. Srinivasan

Triboelectric nanogenerators (TENGs) are promising self-powering supplies for a diverse range of intelligent sensing and monitoring devices, especially due to their capability of harvesting electric energy from low frequency and small-scale…

We performed density-functional calculations to investigate the electronic structure of ZnO/GaN core/shell heterostructured nanowires (NWs) orientating along <0001> direction. The build-in electric filed arising from the charge…

Materials Science · Physics 2015-05-19 Zhenhai Wang , Yingcai Fan , Mingwen Zhao

Photodetectors (PDs) are essential in imaging, communication, and sensing technologies. However, their reliance on external power makes them energy-consuming. This creates a strong need for self-powered PDs as a sustainable alternative. ZnO…

Two-dimensional (2D) layered materials are ideal for micro- and nanoelectromechanical systems (MEMS/NEMS) due to their ultimate thinness. Platinum diselenide (PtSe$_{2}$), an exciting and unexplored 2D transition metal dichalcogenides (TMD)…

Tuning and reconfiguring nanophotonic components is needed to realize systems incorporating many components. The electrostatic force can deform a structure and tune its optical response. Despite the success of electrostatic actuators, they…

Triboelectric nanogenerators (TENGs) are an emerging mechanical energy harvesting technology that was recently demonstrated. Due to their flexibility, they can be fabricated in various configurations and consequently have a large number of…

Mesoscale and Nanoscale Physics · Physics 2018-03-28 A. Gomes , C. Rodrigues , A. M. Pereira , J. Ventura

The Parallel Nanowire Detector (PND) is a photon number resolving (PNR) detector which uses spatial multiplexing on a subwavelength scale to provide a single electrical output proportional to the photon number. The basic structure of the…

Optics · Physics 2010-01-15 F Marsili , D Bitauld , A Gaggero , S Jahanmirinejad , R Leoni , F Mattioli , A Fiore

We report absorption and photoluminescence spectra of Si and SnO$_2$ polycrystalline nanofilms in the UV-Vis-NIR range, featuring discrete bands resulting from transverse quantum confinement. The film thickness ranged 3.9 nm to 12.2 nm,…

Mesoscale and Nanoscale Physics · Physics 2014-05-21 Vladimir I. Makarov , Igor Khmelinskii

Polarizers are essential in diverse photonics applications including display [1], microscopy [2], polarimetric astrophysical observation [3], laser machining [4], and quantum information processing [5]. Whereas conventional polarizers based…

Optics · Physics 2015-07-09 Jae Woong Yoon , Kyu Jin Lee , Robert Magnusson

Recently, individual single-walled carbon nanotubes (SWNTs) functionalized with azo-benzene chromophores were shown to form a new class of hybrid nanomaterials for optoelectronics applications. Here we use a number of experimental…

Nanomaterials based on ZnO have been used to build glucose sensors due to its high isoelectric point, which is important when a protein like glucose oxidase (GOx) is attached to a surface. It also creates a biologically friendly environment…

Nanostructured Zinc oxide (ZnO) was synthesized via a ball milling for 10 hours using high energy planetary ball mill. Phase purity and homogeneity of all the samples have been investigated by X-ray diffraction (XRD) and Field Emission…

Materials Science · Physics 2015-06-11 Pawan Kumar , M. Kar , Anup V. Sanchela , C. V. Tomy , Ajay D. Thakur

Solid-state nanopores, nm-sized holes in thin, freestanding membranes, are powerful single-molecule sensors capable of interrogating a wide range of target analytes, from small molecules to large polymers. Interestingly, due to their high…

Current supercapacitors present several distinct limitations that severely inhibit the efficiency, power, and electrical capacitance of energy storage devices. Supercapacitors present an exciting prospect that has countless applications in…

Materials Science · Physics 2016-06-03 Sydney Marler

Flexible and transparent electronics presents a new era of electronic technologies. Ubiquitous applications involve wearable electronics, biosensors, flexible transparent displays, radio-frequency identifications (RFIDs), etc.Zinc oxide…

Mesoscale and Nanoscale Physics · Physics 2017-02-21 Zhang Yong-Hui , Mei Zeng-Xia , Liang Hui-Li , Du Xiao-Long

Pt-Al and Pt-Y-Al thin film electrodes on yttria-stabilised zirconia electrolytes were prepared by dealloying of co-sputtered Pt-Al or Pt-Y-Al films. The selective dissolution of Al from the Pt-alloy compound causes the formation of a…

Materials Science · Physics 2014-12-02 Henning Galinski , Thomas Ryll , Yang Lin , Barbara Scherrer , Anna Evans , Max Döbeli , Ludwig J. Gauckler

In order to understand properties of ultrathin copper nanowires, we have simulated several copper nanowires using classical molecular dynamic simulations. As the temperature increases, copper nanowires were transformed into structures of…

Materials Science · Physics 2007-05-23 Jeong Won Kang , Ho Jung Hwang

The fabrication of free-standing ultra-thin films from high-temperature (high-Tc) superconductors is of great interest for the development of superconducting nanowire single-photon detectors with high operating temperatures. We successfully…

Superconductivity · Physics 2026-05-22 J. S. Madhira , G. Potemkin , D. Grützmacher , T. Schäpers , M. Lyatti

Using microemulsion methods, CoO-Pt core-shell nanoparticles (NPs), with diameters of nominally 4 nm, were synthesized and characterized by high-resolution transmission electron microscopy (HRTEM) and a suite of x-ray spectroscopies,…

Mesoscale and Nanoscale Physics · Physics 2014-03-25 Adriana Zelenakova , Vladimir Zelenak , Stefan Michalik , Jozef Kovac , Mark W. Meisel