CHI-KUANG SUN2018-09-102018-09-102007http://www.scopus.com/inward/record.url?eid=2-s2.0-33846607386&partnerID=MN8TOARShttp://scholars.lib.ntu.edu.tw/handle/123456789/331959Anharmonic decay of subterahertz coherent acoustic phonons in GaNjournal article10.1063/1.2433755