M. H. LiaoT.-H. ChengC. W. LiuLingyen YehT.-L. LeeM.-S. LiangMING-HAN LIAO2021-12-302021-12-302008https://scholars.lib.ntu.edu.tw/handle/123456789/5907332 um electroluminescence from the Si/Si0.2Ge0.8 type II heterojunctionjournal article