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Browsing Physics & Energy by Author "Roy, Saibal"

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Browsing Physics & Energy by Author "Roy, Saibal"

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  • 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 ...
  • 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 ...
  • 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 ...
  • 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 ...
  • 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'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 ...

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