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M. A. Abdulsattar, “Ab Initio Large Unit Cell Calculations of the Electronic Structure of Diamond Nanocrystals,” Solid State Sciences, Vol. 13, No. 5, 2011, pp. 843- 849.

Abstract:This paper presents a broadband circularly polarized patch antenna with an artificial ground structure (AGS), which has rotated rectangular unit cells with respect to the sides of the ...

A theoretical analysis of a square structure, and a ring structure, for use in reflectarray antenna unit cells is presented. We calculate the complex reflection coefficient from the coupling between ...