Search Results - "Lebourgeois, Richard"

Ultra-low damping insulating magnetic thin films get perpendicular by Soumah, Lucile, Beaulieu, Nathan, Qassym, Lilia, Carrétéro, Cécile, Jacquet, Eric, Lebourgeois, Richard, Ben Youssef, Jamal, Bortolotti, Paolo, Cros, Vincent, Anane, Abdelmadjid

“…A magnetic material combining low losses and large perpendicular magnetic anisotropy (PMA) is still a missing brick in the magnonic and spintronic fields. We…”
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LTCC magnetic components for high density power converter by Lebourgeois, Richard, Labouré, Eric, Lembeye, Yves, Ferrieux, Jean-Paul

“…This paper deals with multilayer magnetic components for power electronics application and specifically for high frequency switching. New formulations based on…”
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The Low-Temperature Sintering Mechanism of Sr Hexaferrite Using the Addition of CuO by Lisjak, Darja, Lebourgeois, Richard

“…We have investigated the sintering behavior of Sr hexaferrite ( SrFe 12 O 19) and the effects of adding CuO , which partly substituted for the Fe 2 O 3 and the…”
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Self-Biased Ku-band Circulators by Parker, Norbert, Laur, Vincent, Lebourgeois, Richard, Cibien, Gerard, Roussel, Laurent, Mattei, Jean Luc, Chevalier, Alexis

“…A self-biased Ku-band circulator has been designed and measured. A pre-oriented substituted strontium hexaferrite SrM with a strong anisotropy field and high…”
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Self-Biased Y-Junction Circulators Using Lanthanum- and Cobalt-Substituted Strontium Hexaferrites by Laur, V., Verissimo, G., Queffelec, P., Farhat, L. A., Alaaeddine, H., Laroche, E., Martin, G., Lebourgeois, R., Ganne, J. P.

“…In this paper, we propose the application of polycrystalline lanthanum- and cobalt-substituted strontium hexaferrites in the realization of self-biased…”
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Application of Molded Interconnect Device technology to the realization of a self-biased circulator by Laur, Vincent, Mattei, Jean-Luc, Vérissimo, Grégory, Queffelec, Patrick, Lebourgeois, Richard, Ganne, Jean-Pierre

“…This paper describes the first electromagnetic characterization of a self-biased circulator in molded interconnect device (MID) technology. The circulator was…”
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Temperature dependence of core loss in cobalt substituted Ni–Zn–Cu ferrites by Lucas, A., Lebourgeois, R., Mazaleyrat, F., Laboure, E.

“…The temperature dependence of core loss in cobalt substituted Ni–Zn–Cu ferrites was investigated. Co2+ ions are known to lead to a compensation of the…”
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Influence of V2O5 on the magnetic properties of nickel–zinc–copper ferrites by Lebourgeois, Richard, Duguey, Sonia, Ganne, Jean-Pierre, Heintz, Jean-Marc

“…Additions of V2O5 were used to decrease the sintering temperature and to enhance the densification of NiZnCu ferrite. With a small amount of V2O5 (0.6-1.2wt%)…”
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Temperature dependence of spin resonance in cobalt substituted NiZnCu ferrites by Lucas, A., Lebourgeois, R., Mazaleyrat, F., Labouré, E.

“…Cobalt substitutions were investigated in Ni0.4Zn0.4Cu0.2Fe2O4 ferrites, initial complex permeability was then measured from 1 MHz to 1 GHz. It appears that…”
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Principle and Performance of a Dual-Band Search Coil Magnetometer: A New Instrument to Investigate Fluctuating Magnetic Fields in Space by Coillot, C., Moutoussamy, J., Lebourgeois, R., Ruocco, S., Chanteur, G.

“…Search-coil magnetometers are of common use in space physics thanks to their simplicity, robustness and ability to measure weak magnetic fields: their…”
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Study of Disorientation in Polycrystalline Hexaferrites and Application to the Design of a Ka-Band Planar Self-Biased Isolator by Laur, Vincent, Hoez, Antoine, Mattei, Jean-Luc, Lebourgeois, Richard

“…Self-biased circulators and isolators require pre-oriented hexaferrites with a high degree of orientation in order to ensure a magnetization perpendicular to…”
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High frequency dielectric properties of hot-pressed Ag(Nb x Ta 1− x )O 3 solid solutions E-P-09 by Duguey, Sonia, Lebourgeois, Richard, Ganne, Jean-Pierre, Heintz, Jean-Marc

“…The objective of this paper was to determine the dielectric properties of AgNb 1/2Ta 1/2O 3 (referenced ANT22) sintered at low temperature without any addition…”
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Study of copper substitutions in Ag(Nb x Ta 1− x )O 3 solid solutions by Duguey, Sonia, Lebourgeois, Richard, Grattepain, Claude, Heintz, Jean-Marc, Ganne, Jean-Pierre

“…This study deals with the effect of copper in AgNb 1− x Ta x O 3 solid solutions (ANT). Firstly, CuO was added after calcination and used as a sintering aid…”
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SMD Compatible Ku-band LTCC Circulators by Parker, Norbert, Karnfelt, Camilla, Lebourgeois, Richard, Laur, Vincent, Roussel, Laurent

“…One way to reduce both the cost of circulators and improve their integration is to manufacture SMD compatible circulators using the LTCC technology. Two…”
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The electromagnetic properties of Cu-substituted garnets with low sintering temperature by Ganne, Jean-Pierre, Lebourgeois, Richard, Paté, Michel, Dubreuil, Daniel, Pinier, Ludovic, Pascard, Hubert

“…Yttrium iron garnet ceramics are used as non-reciprocal materials in circulators because they present low dielectric and magnetic losses, and their magnetic…”
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Modeling and characterization of self-biased circulators in the mm-wave range by Laur, Vincent, Verissimo, Gregory, Queffelec, Patrick, Farhat, Leo Arij, Alaaeddine, Hussain, Reihs, Jean-Claude, Laroche, Eric, Martin, Gilles, Lebourgeois, Richard, Ganne, Jean-Pierre

“…The development of future telecommunication systems requires the miniaturization of circulators. Apart from using planar technologies, removing magnets appears…”
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Influence of V 2O 5 on the magnetic properties of nickel–zinc–copper ferrites by Lebourgeois, Richard, Duguey, Sonia, Ganne, Jean-Pierre, Heintz, Jean-Marc

“…Additions of V 2O 5 were used to decrease the sintering temperature and to enhance the densification of NiZnCu ferrite. With a small amount of V 2O 5 (0.6–1.2…”
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Influence of V2Os on the magnetic properties of nickel-zinc-copper ferrites by LEBOURGEOIS, Richard, DUGUEY, Sonia, GANNE, Jean-Pierre, HEINTZ, Jean-Marc

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High frequency dielectric properties of hot-pressed Ag(NbxTa1−x)O3 solid solutions by Heintz, Jean-Marc, Duguey, Sonia, Lebourgeois, Richard, Ganne, Jean-Pierre

“…The objective of this paper was to determine the dielectric properties of AgNb1/2Ta1/2O3 (referenced ANT22) sintered at low temperature without any addition or…”
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Analysis of the initial complex permeability versus frequency of soft nanocrystalline ribbons and derived composites by Lebourgeois, R, Bérenguer, S, Ramiarinjaona, C, Waeckerlé, T

“…We measured the complex permeability versus frequency between 10 kHz and 1 GHz of a soft nanocrystalline magnetic material (Finemet composition). We…”
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