1:00 PM - 3:00 PM [PS-9-11] Indirect-to-Direct Bandgap Transition of GeSn by Phonon-assisted Tunneling Spectra in Esaki Diodes ○C.Y. Liu1, P.Y. Chiu1, Y. Chuang1, J.Y. Li1 (1.National Taiwan Univ. (Taiwan)) https://doi.org/10.7567/SSDM.2019.PS-9-11