Zhang Feng-Hui, Tang Yu-Fan, Xin Feng-Xian, Lu Tian-Jian. Micro-perforated acoustic metamaterial with honeycomb-corrugation hybrid core for broadband low frequency sound absorptionJ. Acta Physica Sinica, 2018, 67(23): 234302. DOI: 10.7498/aps.67.20181368