Sun Wei-Bin, Wang Ting, Sun Xiao-Wei, Kang Tai-Feng, Tan Zi-Hao, Liu Zi-Jiang. Defect states and vibration energy recovery of novel two-dimensional piezoelectric phononic crystal plateJ. Acta Physica Sinica, 2019, 68(23): 234206. DOI: 10.7498/aps.68.20190260