Itoh, "Analysis and Application of PBG Structures for Microwave Circuits," to appear in Electromagnetics, special issue on antenna and circuit applications with photonic band-gap material
Yablonovitch, "Photonic band-gap materials
for high-gain printed circuit antennas," IEEE Transactions on Antennas and Propagation, vol.
Apart from that, high-directivity antennas based on superstrates [8-10], zero-index metamaterial , electromagnetic band gap resonator , modified peano space-filling curve , and photonic band-gap materials
 have also appeared in the literature.
Soukoulis, "Metallic photonic band-gap materials
Ho, "Theoretical study of dipole antennas on photonic band-gap materials
," Microwave Opt.
Zhang, "Multiple-scattering approach to finite-sized photonic band-gap materials