Interface-guided mode of Lamb waves in a two-dimensional phononic crystal plate*
Huang Ping-Pinga), Yao Yuan-Weia)†, Wu Fu-Genb), Zhang Xina), Li Jinga), Hu Ai-Zhena)
       
(a) The first Brillouin zone of two-dimensional square lattice. (b) A schematic diagram of a supercell of PC heterostructure. (c) A x – y plane section sketch illustrating the heterostructure.