English
Related papers

Related papers: Growth of Oriented Au Nanostructures: Role of Oxid…

200 papers

Real time electron microscopy observation on morphological changes in gold nano structures deposited on Si (100) surfaces as a function of annealing temperatures has been reported. Two types of interfaces with the substrate silicon were…

Mesoscale and Nanoscale Physics · Physics 2017-11-27 Ashutosh Rath , J. K. Dash , R. R. Juluri , A Rosenauer , P V Satyam

Transmission electron microscopy (TEM) study on morphological changes in gold nanostructures deposited on Si (100) upon annealing under different vacuum conditions has been reported. Au thin films of thickness ~2.0 nm were deposited under…

Mesoscale and Nanoscale Physics · Physics 2017-12-06 Ashutosh Rath , R. R. Juluri , P. V. Satyam

To understand surface structural modifications for Au/Si (100) system, a thin gold film of ~2.0 nm was deposited under ultra high vacuum (UHV) condition on reconstructed Si surfaces using molecular beam epitaxy (MBE). Post annealing was…

Materials Science · Physics 2017-12-06 A. Rath , J. K Dash , R. R. Juluri , P. V. Satyam

We report on the gold assisted epitaxial growth of Ge nanostructures under ultra high vacuum (UHV) conditions (\approx3\times 10-10 mbar) on clean Ge (100) surfaces. For this study, \approx2.0 nm thick Au samples were grown on the substrate…

Mesoscale and Nanoscale Physics · Physics 2017-11-27 A. Rath , J. K. Dash , R. R. Juluri , A. Ghosh , P. V. Satyam

Thin films of gold were deposited on single crystalline CaF2 substrates of (100) and (111) orientation by thermal evaporation. The resulting film structure was analyzed by means of atomic force microscopy in dependence of substrate…

Materials Science · Physics 2007-05-23 Georg Albert , Marco Maccarini , Michael Himmelhaus

We report on the formation of lobe-lobe (bi-lobed) Au-Ge nanostructures under ultra high vacuum (UHV) conditions (\approx 3\times 10^{-10} mbar) on clean Si(100) surfaces. For this study, \approx 2.0 nm thick Au samples were grown on the…

Mesoscale and Nanoscale Physics · Physics 2017-11-27 Ashutosh Rath , J. K. Dash , R. R. Juluri , Marco Schowalter , Knut Mueller , A. Rosenauer , P. V. Satyam

Nanoscale step structures have attracted recent interest owing to their importance in both fundamental and applied research, for example in adsorption, in catalysis, and in directing nanowire growth. Here, we used a template-stripping…

Materials Science · Physics 2020-01-08 Linfeng Chen , Maria Koifman Khristosov , Cecile Saguy , Alex Katsman , Boaz Pokroy

The growth of up to 10 monolayer-thick Fe films on a Au(001) surface was investigated during deposition at room temperature and during annealing using low-energy electron diffraction and x-ray photoemission spectroscopy as well as locally…

We have studied transport properties of Nb/Al/AlOx/Nb tunnel junctions with ultrathin aluminum oxide layers formed by (i) thermal oxidation and (ii) plasma oxidation, before and after rapid thermal post-annealing of the completed structures…

Materials Science · Physics 2015-01-05 E. Cimpoiasu , S. K. Tolpygo , X. Liu , N. Simonian , J. E. Lukens , R. F. Klie , Y. Zhu , K. K. Likharev

Gold-silica hybrids are appealing in different fields of applications like catalysis, sensors, drug delivery, and biotechnology. In most cases, the morphology and distribution of the hetero-units play significant roles in their functional…

Materials Science · Physics 2015-03-04 Paromita Kundu , Hamed Heidari , Sara Bals , N. Ravishankar , Gustaaf Van Tendeloo

Highly oriented VO2 thin films were grown on sapphire substrates by the sol-gel method that includes a low pressure annealing in an oxygen atmosphere. This reduction process effectively promotes the formation of the VO2 phase over a…

Materials Science · Physics 2007-05-23 Byung-Gyu Chae , Hyun-Tak Kim , Sun-Jin Yun , Bong-Jun Kim , Yong-Wook Lee , Doo-Hyeb Youn , Kwang-Yong Kang

Realizing laterally continuous ultra-thin gold films on transparent substrates is a challenge of significant technological importance. In the present work, formation of ultra-thin gold films on fused silica is studied, demonstrating how…

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

Nanocrystalline materials are well known for their beneficial mechanical and physical properties. However, it is of utmost importance to stabilize the microstructure at elevated temperatures to broaden the window of application e.g. by…

We report on the observation of non-metallic electrical conduction, resistive switching, and a negative temperature coefficient of resistance in cluster-assembled nanostructured gold films above the electrical percolation and in…

Mesoscale and Nanoscale Physics · Physics 2020-05-18 M. Mirigliano , S. Radice , A. Falqui , A. Casu , F. Cavaliere , P. Milani

Except serving as an excellent gift on proper occasions, gold finds applications in life sciences, particularly in diagnostics and therapeutics. These applications were made possible by gold nanoparticles, which differ drastically from…

Materials Science · Physics 2015-06-23 Vitaly Chaban

The technology problems of fabricating different, nanometers sized gold particles in the layered composites like light-sensitive chalcogenide glass/gold nanoparticles/transparent substrate or titanium/titanium oxide/gold nanoparticles were…

Materials Science · Physics 2014-01-10 Sandor Kokenyesi , Sandor Biri , Csaba Hegedus , Stepan Charnovich , Attila Csik

Quantum technologies require a new generation of superconducting electronic devices and circuitry. However, the superconducting materials used to construct them are restricted to a class of bulk superconductors. Gold films grown in contact…

Template-assisted synthesis is a facile way of growing various one-dimensional nanostructures. Among various nanoporous templates, anodic aluminium oxide (AAO) is most commonly used. In this work, the kinetics of silver nanowire growth by…

Materials Science · Physics 2022-02-23 Kumaresh K R , Lakshman Neelakantan , Parasuraman Swaminathan

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
‹ Prev 1 2 3 10 Next ›