what is electromagnetic bandgap structure
Tunable electromagnetic bandgap structures based on ferroelectric or ferromagnetic thin films were also reported in literature [61]. To achieve tunable EBG performance ferroelectric capacitors are also considered [59] [62].ome alternatives exist to accomplish tuning of Electromagnetic bandgap materials: (1) Micromechanically or electrically modifying the device geometry and/or dielectric loading [59] [60]. (2) By creating some defects and (3) By using ferroelectric and ferromagnetic substrates [62].