Lin Tong, Hu Die, Shi Li-Yu, Zhang Si-Jie, Liu Yan-Qi, Lv Jia-Lin, Dong Tao, Zhao Jun, Wang Nan-Lin. Infrared spectroscopy study of ironbased superconductor Li0.8Fe0.2 ODFeSeJ. Acta Physica Sinica, 2018, 67(20): 207102. DOI: 10.7498/aps.67.20181401