Title :
Use of multiferroic materials in patch antenna design
Author :
Zervos, T. ; Stamopoulos, D. ; Lazarakis, F. ; Alexandridis, A.A. ; Pissas, M. ; Giannakopoulou, T. ; Dangakis, K.
Author_Institution :
Nat. Centre for Sci. Res. "Demokritos", Inst. of Inf. & Telecommun., Athens
Abstract :
In this paper we introduce the utilization of novel compounds that can be magnetoelectric, namely Al2-xFexO3 and Ga2-xFexO3, or ferrimagnetic, namely Y3Fe5O12, as effective constituents in patch antennas. Owing to their coupled dielectric and magnetic properties these constituents can probably tune the radiation characteristics of the patch antenna by means of an externally controlled parameter such as a magnetic and/or electric field. We clearly demonstrate that using Y3Fe5O12 in the antenna substrate, the type and the sense of the antenna polarization is strongly influenced by applying an external magnetic field.
Keywords :
aluminium compounds; antenna radiation patterns; dielectric properties; electromagnetic wave polarisation; ferrimagnetic materials; gallium compounds; magnetoelectric effects; microstrip antennas; multiferroics; yttrium compounds; Al2-xFexO3; Ga2-xFexO3; Y3Fe5O12; antenna polarization; antenna substrate; dielectric property; electric field; ferrimagnetic compound; magnetic field; magnetic property; magnetoelectric compound; multiferroic material; patch antenna radiation characteristics; Couplings; Dielectric substrates; Ferroelectric materials; Magnetic fields; Magnetic materials; Magnetic properties; Magnetic resonance; Patch antennas; Polarization; Temperature;
Conference_Titel :
Antennas and Propagation, 2009. EuCAP 2009. 3rd European Conference on
Conference_Location :
Berlin
Print_ISBN :
978-1-4244-4753-4
Electronic_ISBN :
978-3-00-024573-2
