Relaxation behavior study on PET and PET/Ti3N4 nanocompositesShenghong Kang, Guangtao Fei, Xingyou Tian, Kang Zheng, Xian Zhang and Jiapeng ShuiEur. Phys. J. Appl. Phys., 65 3 (2014) 30402DOI: https://doi.org/10.1051/epjap/2014130466