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Browsing Physics & Energy by Title

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  • Arshak, Khalil; Morris, Deirdre; Arshak, Arousian; Korostynska, Olga; Kaneswaran, Kelly (IEEE Computer Society, 2002)
    This paper examines the sensitivity of polyvinylidene fluoride (PVDF) and polyvinyl butyral (PVB) capacitors to pressures ranging from 0 – 100 kPa. The capacitors were formed by screenprinting onto flexible substrates and ...
  • Sina, Soltanmohammad (Univesity of Limerick, 2013)
    In this thesis, we study the influence of a buffer layer (Ta, Cr, W, Ti) on the structure formation, crystallographic orientation, resistivity and magnetic properties of NiFe alloy in the form of bilayer and multilayer ...
  • Arshak, Khalil; Gill, Edric I.; Arshak, Arousian; Korostynska, Olga (IEEE Computer Society, 2007)
    Due to the increasing demand for accurate, reliable and highly sensitive pH sensors, research is ongoing to find new materials and methods to achieve this goal. An approach that shows promise in the pH-sensing field is the ...
  • Joyce, Jennifer (University of Limerick, 2013)
    Dye-sensitized solar cells (DSSCs) are a class of solar cells of the third generation. DSSCs are cheap and simple to fabricate, exhibit flexible properties, and are not limited by the Shockley-Queisser limit of semiconductor ...
  • Conway, Christina (University of Limerick, 2010)
    In this work an application was developed which uses the Sequential Quadratic Pro- gramming (SQP) optimisation algorithm to optimise boundary absorption in order to reduce the sound pressure level in a localised sampling ...
  • Arshak, Khalil; Jafer, Essa; Arshak, Arousian; Waldron, David (IEEE Computer Society, 2006)
    In this paper, a miniaturized, low power, bidirectional wireless communication system has been developed to be used for in vivo pressure monitoring. The system prototype consists of miniature FSK transceiver integrated ...
  • Hinds, Gareth; Rhen, Fernando M.F.; Coey, John Michael David (IEEE Computer Society, 2002)
    The application of a magnetic field unexpectedly alters the rest potential of ferromagnetic electrodes in paramagnetic solutions of their salts. Anodic shifts of up to 60 mV in a field of 1 tesla were observed for 1M iron ...
  • Romero, S.A.; Cornejo, D.R.; Rhen, Fernando M.F.; Neiva, A.C.; Tabacniks, M.H.; Missell, F.P. (American Institute of Physics, 2000)
    SmCo films with a Cr underlayer have been investigated as potentially attractive candidates for high density recording media. Magnetron sputtering was used here to produce Cr/SmCox/Cr films on Si (100) substrates. The ...
  • Razee, Kafil M; Rhen, Fernando M.F.; Roy, Saibal (American Institute of Physics, 2009)
    We have investigated the magnetic properties of electroplated nickel nanowires with very distinct nanostructures, which are obtained by simply changing the plating temperature of the electrolyte. Low temperature (40°C) ...
  • O'Reilly, Cora; Sanvito, Stefano; Rhen, Fernando M.F.; Stamenov, Plamen; Coey, John Michael David (American Institute of Physics, 2006)
    The magnetization of nickel foils electrodeposited under different conditions was not usually found to differ significantly from that of the bulk (55.4 Am2 kg−1). However, some galvanostatically deposited films from a ...
  • O'Donnell, Terence; Wang, Ningning; Meere, Ronan; Rhen, Fernando M.F.; Roy, Saibal; O'Sullivan, Denis; Ó Mathúna, Cian (IEEE Computer Society, 2008)
    This paper presents the design and measured results for micro-fabricated inductors suitable for use in high frequency (> 10 MHz), low power (1 –2 W) dc-dc converters. The design has focused on maximizing inductor efficiency ...
  • Lynch, Thomas Francis (University of Limerick, 2010)
    Magnetic nanostructures have attracted attention due to their possible applications in information storage and sensors. The switching time and switching field are two magnetic properties that can determine the applicability ...
  • Leahy, Martin J.; O'Doherty, Jim; Nilsson, Gert E.; Henricson, Joakim; Anderson, Chris; Sjoberg, Folke (SPIE—The International Society for Optical Engineering, 2007)
    A low-cost, noninvasive means of imaging red blood cells shows promise in applications aimed at assessing tissue viability.
  • Nakahara, S; Tanner, D.A; Khan, A.K; Robinson, J.S (Maney Publishing, 2011)
    A TEM study has revealed, for the first time, the presence of small (similar to 3 nm in diameter) voids attached to T(1) (Al(2)CuLi) precipitates present in an artificially aged Al-Cu-Li alloy (Al-2.90Cu-1.63Li-0.29Mg-0. ...
  • Hudson, Sarah; Tanner, D.A; Redington, W; Magner, Edmond; Hodnett, Benjamin K; Nakahara, S (Royal Society of Chemistry, 2006)
    TEM analysis of mesoporous materials is generally undertaken to give qualitative results. Accurate quantitative analysis is demonstrated in this study. A systematic image analysis of a powder form of a hexagonal mesoporous ...
  • Arshak, Khalil; Korostynska, Olga; Arshak, Arousian; Morris, Deirdre (IEEE Computer Society, 2005)
    The electrical properties of screen-printed TiO2 based thick films were explored in terms of gamma radiation influence. Screen-printed pn-heterojunctions and resistors were exposed to γ- radiation from a 137Cs source ...
  • O'Doherty, Jim; Henricson, Joakim; Nilsson, Gert E.; Anderson, Chris; Leahy, Martin J. (Society of Photo‑Optical Instrumentation Engineers, 2007)
    This article describes the theoretical development and design of a real-time microcirculation imaging system, an extension from a previously technology developed by our group. The technology utilises polarisation spectroscopy, ...
  • Enfield, Joey; O'Doherty, Jim; Leahy, Martin J. (SPIE - Society of Photo‑Optical Instrumentation Engineers, 2007)
    Biomedical optics and photomedicine applications are challenged by the turbid nature of most biological tissue systems. This nature limits the penetration depth of light into the tissue. Optical clearing improves the ...
  • Rhen, Fernando M.F.; Backen, E.; Coey, John Michael David (American Institute of Physics, 2005)
    Thick films of nearly equiatomic Co–Pt produced by electrodeposition into nanoporous membranes exhibit an isotropic magnetic phase with square hysteresis loops (Mr/Ms=0.95) and coercivity of up to 1.3 T. The initial ...
  • Arshak, Khalil; Arshak, Arousian; Mihov, Miroslav; McDonagh, Declan (IEEE Computer Society, 2002)
    In this paper, liquid-phase silylation process for Top Surface Imaging Lithography systems incorporated e-beam exposure has been experimentally investigated using FT-IR spectroscopy, UV spectroscopy, SIM spectrometry ...

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