English
Related papers

Related papers: Electrochemical synthesis of highly ordered nanowi…

200 papers

Nanocomposites comprised of insulated magnetic single-domain particles are promising candidates for high-frequency, eddy current free, soft magnetic materials, but tend to suffer from low magnetic susceptibility ($<20$). Particle alignment…

We discuss observations of InN nanowires (NWs) by plan-view high-resolution transmission electron microscopy (TEM). The main difficulties arise from suitable methods available for plan-view specimen preparation. We explore different…

Materials Science · Physics 2014-09-30 E Luna , J Grandal , E Gallardo , J M Calleja , M A Sánchez-García , E Calleja , A Trampert

The conducting and mechanical properties of a metallic nanowire formed at the junction between two macroscopic metallic electrodes are investigated. Both two- and three-dimensional wires with a W(ide)-N(arrow)-W(ide) geometry are modelled…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 F. Kassubek , C. A. Stafford , Hermann Grabert

A new experimental approach for the characterization of the lateral elastic modulus of individual nanowires is demonstrated by implementing a micro/nano scale diametrical compression test geometry, using a flat punch indenter inside of a…

Materials Science · Physics 2015-03-18 Zhao Wang , W. M. Mook , Ch. Niederberger , R. Ghisleni , L. Philippe , J. Michler

Complex oxide thin films and heterostructures exhibit a profusion of exotic phenomena, often resulting from the intricate interplay between film and substrate. Recently it has become possible to isolate epitaxially grown single-crystalline…

Recent theoretical calculations and photoemission spectroscopy measurements on the bulk Bi2Se3 material show that it is a three-dimensional topological insulator possessing conductive surface states with nondegenerate spins, attractive for…

Mesoscale and Nanoscale Physics · Physics 2010-05-02 Desheng Kong , Jason C. Randel , Hailin Peng , Judy J. Cha , Stefan Meister , Keji Lai , Yulin Chen , Zhi-Xun Shen , Hari C. Manoharan , Yi Cui

Parallel one-dimensional semiconductor channels connected by a superconducting strip constitute the core platform in several recent quantum device proposals that rely e.g. on Andreev processes or topological effects. In order to realize…

Overcoming the limitations of current nanofabrication techniques to achieve nanoscale feature sizes is essential for achieving new regimes of light-matter interactions at extreme frequencies and length scales. Here, we demonstrate a…

Electrochemical biosensors and the related concept of redox detection at nanogap electrodes are increasingly explored for ultra-sensitive detection of biomolecules. While experimental demonstrations have been encouraging, the associated…

Biological Physics · Physics 2020-01-15 Sanjog V. Joshi , Pradeep R. Nair

Intermetallic compounds containing transition metals and group III-V metals tend to possess strong correlations and high catalytic activities, both of which can be enhanced via reduced dimensionality. Nanostructuring is an effective…

Self-assembled electronic devices, such as quantum dots or switchable molecules, need self-assembled nanowires as connections. We explore the growth of conducting Gd disilicide nanowires at step arrays on Si(111). Atomically smooth wires…

Condensed Matter · Physics 2009-11-07 J. L. McChesney , A. Kirakosian , R. Bennewitza , J. N. Crain , J. -L. Lin , F. J. Himpsel

The combination of core/shell geometry and band gap engineering in nanowire heterostructures can be employed to realize systems with novel transport and optical properties. Here, we report on the growth of InAs/InP/GaAsSb core-dual-shell…

Materials Science · Physics 2021-02-04 Omer Arif , Valentina Zannier , Ang Li , Francesca Rossi , Daniele Ercolani , Fabio Beltram , Lucia Sorba

At the nanometric scale, the synthesis of a random alloy (i.e. without phase segregation, whatever the composition) by chemical synthesis remains a not easy task, even for simple binary type systems. In this context, a unique approach based…

Resonant tunneling diodes are formed using AlN/GaN core-shell nanowire heterostructures grown by plasma assisted molecular beam epitaxy on n-Si(111) substrates. By using a coaxial geometry these devices take advantage of non-polar (m-plane)…

We demonstrate an all-epitaxial and scalable growth approach to fabricate single-crystalline GaN nanowires on graphene by plasma-assisted molecular beam epitaxy. As substrate, we explore several types of epitaxial graphene layer structures…

Arrays of parallel metallic nanowires are shown to provide a tunable, robust, and versatile platform for plasmon interconnects, including high-curvature turns with minimum signal loss. The proposed guiding mechanism relies on gap plasmons…

Other Condensed Matter · Physics 2008-11-27 A. Manjavacas , F. J. García de Abajo

This study introduces a straightforward electrode design featuring sharp edges with a curvature of a few hundred nanometers in radius, with which both ion accumulation and nanoparticle deposition can be observed under an alternating…

Soft Condensed Matter · Physics 2024-08-23 Itir Bakis Dogru Yuksel , Zhu Zhang , Marnix Vreugdenhil , Allard P. Mosk , Dries van Oosten , Sanli Faez

To investigate cylindrical ultrathin copper nanowires, we performed atomistic simulations using the steepest descent method. The stable structures of the cylindrical ultrathin copper nanowires were multi-shell packs composed of coaxial…

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

The development of rotary nanomotors is crucial for further advancing NEMS technology. In this work, we report innovative design, assembly, and rotation of ordered arrays of nanomotors. The nanomotors were bottom-up assembled from nanoscale…

Mesoscale and Nanoscale Physics · Physics 2015-06-18 Kwanoh Kim , Xiaobin Xu , D. L. Fan

Strained nanowires with varying InAs/InP core-shell thicknesses were grown using Chemical Beam Epitaxy. Microphotoluminescence spectroscopy, performed at low temperature, was then used to study the optical properties of single wires.…

Materials Science · Physics 2007-05-23 Z. Zanolli , L. E. Froeberg , M. T. Bjoerk , M. -E. Pistol , L. Samuelson
‹ Prev 1 8 9 10 Next ›