Search Results - "ACHER, O"

Generalization of Snoek’s law to ferromagnetic films and composites by Acher, O., Dubourg, S.

“…The present paper establishes characteristics of the relative magnetic permeability spectrum µ(f) of magnetic materials at microwave frequencies. The integral…”
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Voltage controlled metamaterial by Reynet, O., Acher, O.

“…A tunable metamaterial based on conducting coils loaded by an electronic circuit containing a varicap diode has been demonstrated. The agility exceeds one…”
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Influence of a helical anisotropy profile on the static and dynamic properties of a soft magnetic layer by Gloanec, M., Dubourg, S., Acher, O., Duverger, F., Plessis, D., Bonneau-Brault, A.

“…The static and dynamic properties of a soft magnetic layer presenting a helical anisotropy profile have been studied both experimentally and theoretically with…”
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Improvement of composite sol–gel process for manufacturing 40 μm piezoelectric thick films by Bardaine, A., Boy, P., Belleville, P., Acher, O., Levassort, F.

“…In this study, high performance piezoelectric thick films were prepared by depositing only a few sol–gel infiltrated composite layers on Si/SiO 2/Ti/Pt wafers…”
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Engineering of the magnetic properties of Finemet based nanocrystalline glass-coated microwires by Dudek, C., Adenot-Engelvin, A.L., Bertin, F., Acher, O.

“…The magnetic properties of Finemet nanocrystallized ribbons have been extensively studied and well understood. However, results obtained on microwires of such…”
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Cylindrical magnetization model for glass-coated microwires with circular anisotropy: Statics by Torrejón, J., Thiaville, A., Adenot-Engelvin, A.L., Vázquez, M., Acher, O.

“…The static magnetization profile of glass-coated microwires with effective circular anisotropy is investigated using micromagnetics. In this family of…”
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CoNi and FeCoNi fine particles prepared by the polyol process : Physico-chemical characterization and dynamic magnetic properties by TONEGUZZO, P, VIAU, G, ACHER, O, GUILLET, F, BRUNETON, E, FIEVET-VINCENT, F, FIEVET, F

“…Spherical and monodisperse CoxNi100 − x and Fez[CoxNi100 − x]1 − z particles are synthezied by the polyol process over a wide size range (lying from a few…”
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RF planar ferromagnetic inductors on silicon by Viala, B., Royet, A.S., Cuchet, R., Aid, M., Gaud, P., Valls, O., Ledieu, M., Acher, O.

“…Two-port coplanar ferromagnetic inductors using solid magnetic planes were fabricated on silicon. L, R, and Q measurements are presented. Cutoff frequencies…”
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Effect of the magnetic properties of the inclusions on the high-frequency dielectric response of diluted composites by Reynet, Olivier, Adenot, Anne-Lise, Deprot, Sylvie, Acher, Olivier, Latrach, Mohamed

“…The high-frequency permittivity of composites consisting of a lattice of ferromagnetic wires is investigated. Experimental results using free space or coaxial…”
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Fundamental constraints on the performance of broadband ultrasonic matching structures and absorbers by Acher, O., Bernard, J. M. L., Maréchal, P., Bardaine, A., Levassort, F.

“…Recent fundamental results concerning the ultimate performance of electromagnetic absorbers were adapted and extrapolated to the field of sound waves. It was…”
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How to Retrieve More Information on Magnetic Films From Microwave Permeability Measurements by Acher, O., Dubuget, V., Dubourg, S.

“…The microwave permeability of soft thin films is a useful quantity for the design of fast, high-frequency systems. A number of setups now provide reliable…”
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Magnetic excitations in a weak-stripe-domain structure: A 2D dynamic micromagnetic approach by Vukadinovic, N, Vacus, Labrune, M, Acher, Pain, D

“…The high-frequency susceptibility spectra of ferromagnetic films supporting a weak-stripe-domain structure are computed using a 2D dynamic micromagnetic model…”
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New achievements in high-frequency permeability measurements of magnetic materials by Ledieu, M, Acher, O

“…Permeability measurement of ferromagnetic thin films up to 6 and 18 GHz has been demonstrated using perturbation techniques in microstrip and coaxial lines…”
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Heterogeneous nucleation and growth of metal nanoparticles in polyols by VIAU, G, TONEGUZZO, P, PIERRARD, A, ACHER, O, FIEVET-VINCENT, F, FIEVET, F

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Microwave properties of ferromagnetic composites and metamaterials by Adenot-Engelvin, A.L., Dudek, C., Toneguzzo, P., Acher, O.

“…In this paper, we present our work on ferromagnetic composites for microwave applications [Lebourgeois, R., et al., New ferromagnetic composites for…”
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GHz permeability of soft CoZr films: The role of exchange–conductivity coupling by Acher, O., Dubourg, S., Duverger, F., Malléjac, N.

“…The microwave permeability of CoZr films with different thicknesses is investigated. While Landau–Lifschitz model accounts for the response of the thinnest…”
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Magnetic dispersion in a soft amorphous layer with a helical anisotropy profile by Gloanec, M., Dubourg, S., Acher, O., Duverger, F., Plessis, D., Bonneau-Brault, A.

“…A new analysis method of the magnetization dispersion in a thin magnetic film is presented. It is based on the angular measurement of the permeability spectra…”
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Influence of powder preparation process on piezoelectric properties of PZT sol-gel composite thick films by Bardaine, A., Boy, P., Belleville, P., Acher, O., Levassort, F.

“…In this work, piezoelectric PbZr 0.52 Ti 0.48 O 3 (PZT) thick films were deposited onto silicon and alumina substrates using sol-gel composite slurry. Thick…”
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Sum rules and figures-of-merit on the microwave permeability of nanocrystalline microwires by Torrejon, J., Adenot-Engelvin, A.-L., Bertin, F., Dubuget, V., Acher, O., Vazquez, M.

“…The microwave permeability spectra of three nanocrystalline microwires were investigated, and dynamic magnetization M μ ( F) was determined from these spectra…”
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GHz permeability of sprayed NiZn ferrite films by Acher, O., Ledieu, M., Abe, M., Tada, M., Matsushita, N., Yoshimura, M., Kondo, K.

“…The high-frequency permeability of NiZn ferrite films prepared by roll spray ferrite plating is investigated. Significant magnetoelastic effects are observed…”
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