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Now showing items 591-600 of 2111
Room temperature study of a strain-induced electronic superstructure on a magnetite (111) surface
(2004)
A magnetite sFe3O4d single-crystal (111) surface has been studied at various oxygen-iron surface stoichiometries.
The stoichiometry was modified by controlling the in situ sample anneal conditions. We have found
the ...
Computational studies of the structure and dynamics of packings of grain and bubbles
(Trinity College (Dublin, Ireland). School of Physics, 2006)
Since the dawn of civilization people have been intrigued by packing problems. They
have a great significance in the practicalities of our everyday lives, with people always
seeming to try to find more efficient ways of ...
Thermoelectric behavior of organic thin film nanocomposites
(2013)
Organic thin film nanocomposites, prepared by liquid-phase exfoliation, were investigated for their superior electrical properties and thermoelectric behavior. Single-walled carbon nanotubes (SWNT) were stabilized by ...
Magnetoresistance in nanostructured Co-Ag prepared by mechanical-alloying
(IEEE, 1994)
Fine cobalt and silver powders have been
ball-milled to yield a granular solid of composition
CoSoAg7a in the form of coarse powder. The material
is an intimate mixture of grains of fcc CO in a
silver matrix. The cobalt ...
Revealing electromigration on dielectrics and metals through the step-bunching instability
(2020)
Electromigration, due to its technological and scientific significance, has been a subject of extensive studies for
many years. We present evidence of electromigration in dielectric materials, namely C-plane sapphire, ...
Growth of n-type ?-CuCl with improved carrier concentration by pulsed dc sputtering: Structural, electronic and UV emission properties
(2011)
? Copper (I) chloride is naturally a direct band gap, zincblende and p-type semiconductor material with much potential in linear and non-linear optical applications owing to its large free excitonic binding energy. In order ...
Water vapor on supergiants. The 12 micron TEXES spectra of ? Cephei
(American Astronomical Society, 2006)
Several recent papers have argued for warm, semidetached, molecular layers surrounding red giant and supergiant stars, a concept known as a MOLsphere. Spectroscopic and interferometric analyses have often corroborated this ...
Fields, fractals and flares: characterising magnetic complexity in solar active regions
(Trinity College (Dublin, Ireland). School of Physics, 2009)
The main drivers of space weather, solar flares and coronal mass ejections, are thought to originate from active regions on the surface of the Sun. The mechanisms by which active regions produce these eruptive events remains ...
Development of a Multi-Nuclear CW-NMR System with 3D Imaging Capabilities
(Elsevier, 2005)
The development of a 3-D, multi-nuclear continuous wave NMR imaging (CW-NMRI) system is described and its imaging capability is demonstrated on a range of materials exhibiting extremely short T2 relaxation values. A variety ...