Here are some paper names to start with, good luck.
Design of Sievenpiper HIS for use in planar broadband antennas by means of effective medium theory --> S.K. Hampel, O. Schmitz, O. Klemp, and H. Eul
Radiation Characteristics of a Microstrip Patch Over an Electromagnetic Bandgap Surface --> Jing Liang, Student Member, IEEE, and Hung-Yu David Yang, Fellow, IEEE
Design of a Wideband Mushroom-like Electromagnetic Bandgap Structure with Magneto-Dielectric Substrate --> Tai Thanh Nguyen, Dong-Ju Kim, Seung-Han Kim, and Jae-Hyung Jang*, Member, IEEE