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Now showing items 1291-1300 of 2111
Generation of a radially polarized light beam using internal conical diffraction
(2011)
Using a combination of internal conical diffraction and Mach-Zehnder interferometry we have theoretically and experimentally demonstrated an efficient new technique for the conversion of a linearly polarized Gaussian laser ...
Instabilities in liquid foams
(2007)
Instabilities play a central role in the physics of foams. Some that change the topology of a dry foam are
indicated by the laws promulgated by Plateau in his 1873 book. Their occurrence is less clearly
predictable in ...
Porous TiO2 with a controllable bimodal pore size distribution from natural ilmenite
(2011)
Ilmenite (FeTiO3) is an inexpensive abundant natural mineral and it would be a perfect precursor for the production of porous TiO2 if a suitable synthesis method was developed. A new method combining a series of processing ...
Influence of the annealing field strength on exchange bias and magnetoresistance of spin valves with IrMn
(American Institute of Physics, 2005)
We report on field annealing effects in spin valves with an IrMn pinning layer and spin valves with
a synthetic antiferromagnet. The exchange bias field and magnetoresistance of spin valves with an
IrMn/CoFe bilayer at ...
Development and optimisation of optical interferometric techniques for surface metrology
(Trinity College (Dublin, Ireland). School of Physics, 2000)
Optical surface metrology techniques offer many advantages over conventional methods. These include a greater sensitivity, improved lateral and vertical resolution, non-contact and full-field measurements and the fact that ...
Proximity influence of a ferromagnet on the magnetoresistance of Cr film across a nonmagnetic layer
(2004)
(5 nm) Cr (100)/( x nm) MgO (100)/(30 nm) Fe3O4 (100) (1 < x < 6 nm), as well as (5 nm) Cr (100)/(5 nm) MgO (10 0) structures were grown on MgO (10 0) substrates using molecular beam epitaxy. The proximity influence of the ...
Quantitative interpretation of the transition voltages in gold-poly(phenylene) thiol-gold molecular junctions
(2013)
The transition voltage of three different asymmetric Au/poly(phenylene) thiol/Au molecular junctions in which the central molecule is either benzene thiol, biphenyl thiol, or terphenyl thiol is investigated by first-principles ...
Chiral Ag nanostructure arrays as optical antennas
(2015)
Directional and circularly polarised emission from quantum dots coupled with chiral Ag nanostructures has been demonstrated. Semiconductor quantum dots were deposited onto the chiral structures using the Layer-by-Layer ...
Quantifying Battery Rate Performance
(Trinity College Dublin. School of Physics. Discipline of Physics, 2023)
The global energy demand is quickly increasing and sustainable energy solutions are needed to keep pace. Batteries have emerged as the premier energy storage solution for increasing the adoption of renewable energy sources, ...
Eigenstate Thermalisation in a Locally Perturbed Integrable System
(2020)
Eigenstate thermalization is widely accepted as the mechanism behind thermalization in generic isolated quantum systems. Using the example of a single magnetic defect embedded in the integrable spin-1/2 XXZ chain, we show ...