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Related papers: Large array of sub-10 nm single-grain Au nanodots …

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Highly ordered one-dimensional arrays of nanodots, or nanobeads, are fabricated by forming nanoripples and nanodots in sequence, entirely by ion-beamsputtering (IBS) of Au(001). This demonstrates the capability of IBS for the fabrication of…

Mesoscale and Nanoscale Physics · Physics 2015-05-27 J-H Kim , N-B Ha , J-S Kim , M Joe , K-R Lee , R. Cuerno

We report results on the self-assembly of silicon nanoribbons on the (2x1) reconstructed Au(110) surface under ultra-high vacuum conditions. Upon adsorption of 0.2 monolayer (ML) of silicon the (2x1) reconstruction of Au(110) is replaced by…

This work reports the successful formation of Ag and Au nanoparticles in $\beta$-Ga$_2$O$_3$ single-crystals by ion implantation and annealing at 550 {\deg}C. X-ray diffraction measurements revealed that nanoparticles were formed after the…

For nanoscale electrical characterization and device fabrication it is often desirable to fabricate planar metal electrodes separated by large aspect ratio gaps with interelectrode distances well below 100 nm. We demonstrate a self-aligned…

Materials Science · Physics 2009-05-21 A. Fursina , S. Lee , R. G. S. Sofin , I. V. Shvets , D. Natelson

In this paper we report a simple one step and one-pot synthesis of stable assembly of Au nanoparticles (diameter 8-10nm) into chains in an Ethylene Glycol medium, using only a solid metallic Au target and a pulsed excimer laser…

Materials Science · Physics 2015-03-17 Rajesh Kumar Neogy , Rajib Nath , Gautam Basu , A. K. Raychaudhuri

We describe a method for fabrication of uniform aluminum nanowires with diameters below 15 nm. Electron beam lithography is used to define narrow wires, which are then etched using a sodium bicarbonate solution, while their resistance is…

Mesoscale and Nanoscale Physics · Physics 2015-06-18 T. Morgan-Wall , H. J. Hughes , N. Hartman , T. M. McQueen , N. Markovic

Single-crystal nanoparticles of silicon, several tens of nm in diameter, may be suitable as building blocks for single-nanoparticle electronic devices. Previous studies of nanoparticles produced in low-pressure plasmas have demonstrated the…

Silicon nanocrystals are produced using a two-stage gold ion implantation technique. First stage implantation using low energy ions leads to the formation of an amorphous Si (a-Si) layer. A subsequent high energy Au irradiation in the…

Mesoscale and Nanoscale Physics · Physics 2014-03-26 Gayatri Sahu , Rajesh Kumar , D. P. Mahapatra

Nanofabrication techniques for achieving dimensional control at the nanometer scale are generally equipment-intensive and time-consuming. The use of energetic beams of electrons or ions has placed the fabrication of nanopores in thin…

Mesoscale and Nanoscale Physics · Physics 2014-03-25 Harold Kwok , Kyle Briggs , Vincent Tabard-Cossa

We have combined direct nanofabrication by local anodic oxidation with conventional electron-beam lithography to produce a parallel double quantum dot based on a GaAs/AlGaAs heterostructure. The combination of both nanolithography methods…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 M. C. Rogge , C. Fuehner , U. F. Keyser , R. J. Haug , M. Bichler , G. Abstreiter , W. Wegscheider

A chemical nanomachining process for the rapid, scalable production of nanostructure assemblies from silicon-on-insulator is demonstrated. The process is based on the spontaneous, local oxidation of Si induced by Au, which is selectively…

Materials Science · Physics 2015-05-13 J. T. Robinson , J. A. Liddle , P. G. Evans , O. D. Dubon

We observe using low-energy electron microscopy the self-assembly of monolayer-thick stripes of Au on W(110) near the transition temperature between stripes and the non-patterned (homogeneous) phase. We demonstrate that the amplitude of…

Materials Science · Physics 2008-05-07 J. de la Figuera , F. Leonard , R. Stumpf , N. C. Bartelt , K. F. McCarty

Thin-wall metal ultramicro- and nanoelectrodes (UMEs/NEs), especially gold NEs, are indispensable for high-resolution electrochemical microscopy, biosensing, and fundamental research. However, their damage susceptibility and the lack of…

A number of metal-based nanopowders such kinds as Fe, Co, Fe/Co alloy, Fe/C, Fe/organic shell were successfully produced by aerosol synthesis method. The mechanism of nanoparticles formation and the influence of experimental parameters on…

Materials Science · Physics 2007-08-13 E. S. Vasilieva , O. V. Tolochko , V. E. Yudin , D. Kim , D. -W. Lee

We have investigated the temperature-dependent morphology and composition changes occurring during a controlled self-assembling of thin Au film on the Gallium arsenide (001) surface utilizing electron microscopy at nano and atomic levels.…

Mesoscale and Nanoscale Physics · Physics 2019-06-28 Arkadiusz Janas , Benedykt R. Jany , Konrad Szajna , Alexandr Kryshtal , Grzegorz Cempura , Adam Kruk , Franciszek Krok

Deterministic and versatile approaches to sample preparation on nanoscopic scales are important in many fields including photonics, electronics, biology and material science. However, challenges exist in meeting many nanostructuring…

In the challenging search for tools that are able to modify surfaces on the nanometer scale, heavy ions with energies of several 10 MeV are becoming more and more attractive. In contrast to slow ions where nuclear stopping is important and…

We report the studies of ultrafast electron nanocrystallography on size-selected Au nanoparticles (2-20 nm) supported on a molecular interface. Reversible surface melting, melting, and recrystallization were investigated with dynamical…

Materials Science · Physics 2015-05-13 Chong-Yu Ruan , Yoshie Murooka , Ramani K. Raman , Ryan A. Murdick

CdSe-Au networks were synthesized by a colloidal chemistry technique. They entail CdSe nanorods with a diameter of ~10 nm and a length of ~40 nm, which are joined together by Au domains (~5 nm). Individual networks were positioned by AC…

Mesoscale and Nanoscale Physics · Physics 2013-02-27 Peigang Li , Alexandros Lappas , Romain Lavieville , Yang Zhang , Roman Krahne

We present a new method for nanoscale atom lithography. We propose the use of a supersonic atomic beam, which provides an extremely high-brightness and cold source of fast atoms. The atoms are to be focused onto a substrate using a thin…

Atomic Physics · Physics 2015-05-18 Robert J. Clark , Thomas R. Mazur , Adam Libson , Mark G. Raizen
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