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  • Complete synthesis of germanium nanocrystal encrusted carbon colloids in supercritical CO2 and their superhydrophobic properties
    Barrett, Christopher A.; Singh, Ajay; Murphy, Joseph A.; O'Sullivan, Catriona; Buckley, D.N.; Ryan, Kevin M. (American Chemical Society, 2011)
    Colloidal carbon spheres were synthesized by the carbonization of squalane, a nonvolatile hydrocarbon solvent, in supercritical carbon dioxide. Precise pressure modulation of the fluid medium led to size controlled growth ...
  • Core materials for high frequency VRM inductors
    Kelly, Sean; Collins, Christina; Duffy, Meave; Rhen, Fernando M.F.; Roy, Saibal (IEEE Computer Society, 2007)
    The application of PCB integrated electroplated cores for VRM inductors is proposed, where the motivation is to increase frequencies beyond 1 MHz so that VRM transient response can be improved. It is shown that electroplated ...
  • Dependence of magnetic properties on micro- to nanostructure of CoNiFe films
    Rhen, Fernando M.F.; Roy, Saibal (American Institute of Physics, 2008)
    The magnetic properties of electrodeposited CoNiFe films with thicknesses varying from 0.20 to 10 µm were studied. The films show a single face-centered-cubic CoNiFe phase with grain sizes ranging from 23 to 29 nm. The ...
  • Design & development of a galvanometer inspired dual beam optical coherence tomography system for flow velocity quantification of the microvasculature
    McElligott-Daly, Susan; Jonathan, E.; Leahy, Martin J. (Society of Phyto-Optical Instrumentation Engineering, 2011)
    This paper reports initial experimentation of a dual beam flow velocity estimation setup based on optical coherence tomography (OCT) for biomedical applications. The proposed work incorporates a low cost switching mechanism ...
  • Developments in laser Doppler blood perfusion monitoring
    Leahy, Martin J.; de Mul, Frits F.M.; Nilsson, Gert E.; Maniewski, Roman; Liebert, Adam (Society of Photo‑Optical Instrumentation Engineers, 2003)
    This paper reviews the development and use of laser Doppler perfusion monitors and imagers. Despite their great success and almost universal applicability in microcirculation research, they have had great difficulty in ...
  • Diffuse reflection imaging of sub-epidermal tissue haematocrit using a simple RGB camera
    Leahy, Martin J.; O'Doherty, Jim; McNamara, Paul; Henricson, Joakim; Nilsson, Gert E.; Anderson, Chris; Sjoberg, Folke (Society of Photo‑Optical Instrumentation Engineers, 2007)
    This paper describes the design and evaluation of a novel easy to use, tissue viability imaging system (TiVi). The system is based on the methods of diffuse reflectance spectroscopy and polarization spectroscopy. The ...
  • Effect of Fe, Cu, Zr, and Ti on the magnetic properties of SmCo-1 : 7 magnets
    Venkatesan, Munuswamy; Rhen, Fernando M.F.; Gunning, Robert D.; Coey, John Michael David (IEEE Computer Society, 2009)
    The effect of Fe, Cu, Zr, and Ti substitution on magnetic properties of SmCo 1:7 magnets at temperatures up to 500°C were studied. As-milled amorphous Sm(Co,Fe,Cu,Ti-Zr)7 magnets crystallized in the TbCu7-type structure ...
  • Effect of glucose on the optical properties of arterial blood using Mie theory simulations
    Clancy, Neil T.; Leahy, Martin J. (Society of Photo‑Optical Instrumentation Engineers, 2005)
    The glucose concentration in arterial plasma has immediate effects on the optical properties of blood-bearing tissue due primarily to the alteration of refractive index mismatch between the scattering particles (red blood ...
  • Effect of ZrB2 addition on SmCo-1:7 high temperature magnets
    Rhen, Fernando M.F.; Venkatesan, Munuswamy; Harris, I. Rex; Coey, John Michael David (American Institute of Physics, 2003)
    This work focuses on a search for magnets that can be used at elevated temperature. We have studied the effect of ZrB2 addition on the magnetic properties and stability of nanocrystalline 1:7 type Sm(Co,Ti,Zr) magnets up ...
  • Electrodeposited CoNiFeP soft-magnetic films for high-frequency applications
    Rhen, Fernando M.F.; Roy, Saibal (IEEE Computer Society, 2008)
    We have studied the influence of P and of plating current density on static/dynamic magnetic and electrical properties of CoNiFe high moment alloy. We found that morphology, electrical and magnetic properties of films with ...
  • Electrodeposited FePt films
    Rhen, Fernando M.F.; Hinds, Gareth; O'Reilly, Cora; Coey, John Michael David (Institute of Electrical and Electronics Engineers, 2003)
    A novel bath for electrodepositing FePt films was developed and films were electrodeposited on copper substrates with thickness up to 0.45 m. The magnetic and structural properties of the films were measured. The films ...
  • Electrodeposition of coercive L1 0 FePt magnets
    Rhen, Fernando M.F.; Coey, John Michael David (Elsevier, 2008)
    We report the preparation, characterization of structure and magnetic properties of electrodeposited L1 0 FePt films with high coercivity. Equiatomic as-deposited films are nanocrystalline, soft and magnetically isotropic. ...
  • Electrodeposition of coercive L1 0 FePt magnets
    Rhen, Fernando M.F.; Coey, John Michael David (Elsevier B.V., 2009)
    We report the preparation, characterization of structure and magnetic properties of electrodeposited L1 0 FePt films with high coercivity. Equiatomic as-deposited films are nanocrystalline, soft and magnetically isotropic. ...
  • Electromechanical properties of bone at the nanometre and micrometre scale
    Zhang, Yugi (University of Limerick, 2012)
    The mechanical and electromechanical behaviour of bone such as elasticity and piezoelectricity have long been considered to be a consequence of its hierarchical architecture, the basic building block of which, at the ...
  • Emissions modeling of fluidised bed co-combustion of poultry litter and peat
    Henihan, A.M.; Leahy, Martin J.; Leahy, J.J.; Cummins, E.; Kelleher, B.P. (Elsevier Science LTD, 2003)
    Gaseous emissions from the fluidised bed co-combustion of 50% w/w chicken litter and peat were monitored and recorded. Emission data were used to create a dispersion model for a proposed site on a poultry farm in Ireland. ...
  • Enhanced magnetoresistance in Sr2FeMoO6 by combustion synthesis
    Venkatesan, Munuswamy; Varadaraju, Upadhyayula V.; Douvalis, Alexios P.; Fitzgerald, Ciara B.; Rhen, Fernando M.F.; Coey, John Michael David (Royal Society of Chemistry, 2002)
    A novel method of producing magnetoresistive oxides is described, which involves low temperature combustion synthesis from a mixture of nitrates and fuel, as applied to Sr2FeMoO6. The method yields ceramics with a fine ...
  • Evaluation of different signal processing algorithms in Laser-Doppler perfusion measurements
    Leahy, Martin J.; Liebert, Adam; Maniewski, Roman (Society of Photo‑Optical Instrumentation Engineers, 2003)
    The Laser-Doppler (LD) method is extensively used in clinical experiments for microcirculation measurement. The results of LD perfusion measurements depends on technical factors such as laser light wavelength, LD prob e ...
  • Fabrication of magnetic force microscopy tips via electrodeposition and focused ion beam milling
    Cespedes, Oscar; Luu, A.; Rhen, Fernando M.F.; Coey, John Michael David (IEEE Computer Society, 2008)
    A method is described for the fabrication of magnetic force microscopy tips via localized electrodeposition and focused ion beam milling departing from commercial tapping mode tips. Very high aspect ratios and interacting ...
  • High current inductor design for MHz switching
    Duffy, Meave; Collins, Christina; Rhen, Fernando M.F.; McCloskey, P.; Roy, Saibal (IEEE Computer Society, 2008)
    High current inductor applications operating in the MHz range are generally limited to Voltage Regulator Modules (VRM’s) and Point of Load (POL) power supplies, where the issue of fast transient response demands reduced ...
  • Influence of a magnetic field on the electrochemical rest potential
    Rhen, Fernando M.F.; Fernandez, Damaris; Hinds, Gareth; Coey, John Michael David (The Electrochemical Society, 2006)
    The influence of an external magnetic field on the rest potential ΔE0 of ferromagnetic and nonferromagnetic electrodes is studied. The shift E0 is measured as a function of magnetic field magnitude and direction, pH, ...

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