Tunable Magneto-Dielectric Material for Electrically Small and Reconfigurable Antenna Systems at Vhf Band

Autor: Lotfi Batel, Jean-Luc Mattei, Vincent Laur, Alexis Chevalier, Christophe Delaveaud

Publikováno v: Ceramics, Vol 3, Iss 3, Pp 276-286 (2020)

The main issue to tune controlled devices by the application of a DC magnetic field comes up against the high value of the field’s intensity required for their implementation. This work presents an implementation of magneto-dielectric materials (MD

Externí odkaz: https://doaj.org/article/ed5b6e9494734b44acba575a0ff0259a

Compact Self-Biased Q-Band Circulators

Autor: C. Patris, N. Noutehou, N. Parker-Soues, J. L. Roux, D. Nevo, Vincent Laur, O. Vendier, Jean-Luc Mattei, Richard Lebourgeois

Publikováno v: IEEE Transactions on Magnetics. 57:1-6

This article deals with the design and fabrication of compact self-biased $Q$ -band circulators. A pre-oriented substituted strontium hexaferrite that has a high anisotropy field was used to design a planar circulator at 38 GHz. The component has bee

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::334cc721b893fc93fb9c9ddeacf6c8f8
https://doi.org/10.1109/tmag.2021.3059946

Tunable Magneto-Dielectric Material for Electrically Small and Reconfigurable Antenna Systems at Vhf Band

Autor: Jean-Luc Mattei, Lotfi Batel, Christophe Delaveaud, Alexis Chevalier, Vincent Laur

Publikováno v: Ceramics
Ceramics, 2020, 3, pp.276-286. ⟨10.3390/ceramics3030025⟩
Ceramics, MDPI, 2020, 3, pp.276-286. ⟨10.3390/ceramics3030025⟩
Volume 3
Issue 3
Pages 25-286
Ceramics, Vol 3, Iss 25, Pp 276-286 (2020)

The main issue to tune controlled devices by the application of a DC magnetic field comes up against the high value of the field&rsquo
s intensity required for their implementation. This work presents an implementation of magneto-dielectric mate

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fddaaaf15f3c2957c41f5734a17310d3
https://hal.univ-brest.fr/hal-03224193/file/ceramics-03-00025.pdf

Characterization of ferrite tunability at microwave frequencies: Application to VHF tunable antennas

Autor: Anne-Claude Tarot, Jean-Luc Mattei, Alexis Chevalier, Christophe Delaveaud, Vassidiki Doumouva, Aladdin Kabalan, Ala Sharaiha, Vincent Laur

Publikováno v: 2019 IEEE Asia-Pacific Microwave Conference, APMC 2019
2019 IEEE Asia-Pacific Microwave Conference, APMC 2019, Dec 2019, Singapore, Singapore. pp.539-541, ⟨10.1109/APMC46564.2019.9038281⟩

International audience; A microwave characterization method that allows extracting permeability variations of ferrite as a function of applied static magnetic field is presented. This method is based on a coaxial line method for which a calibration t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ac31cb365f226672398be7fe25323bf6
https://doi.org/10.1109/apmc46564.2019.9038281

Influence of cobalt substitution on structural, optical, electrical and magnetic properties of nanosized lithium ferrite

Autor: Sergei V. Trukhanov, Preeti Thakur, Larissa V. Panina, Jean-Luc Mattei, Patrick Queffelec, Parul Sharma, Atul Thakur, Alex Trukhanov

Publikováno v: Journal of Materials Science: Materials in Electronics
Journal of Materials Science: Materials in Electronics, Springer Verlag, 2018, 29 (19), pp.16507-16515

A series of Co2+ substituted Li0.5CoxFe2.5−xO4 (x = 0.1, 0.3, 0.5) has been prepared by a citrate precursor method. The distribution of cations on A-site and B-site was studied by X-ray Diffraction (XRD), Fourier Transform Infrared Spectroscopy (FT

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0482421681c675a44ccea71d1fe17230
https://hal.univ-brest.fr/hal-01983634