Toward direct band gaps in typical 2D transition-metal dichalcogenides junctions via real and energy spaces tuning oleh Mei-Yan Tian, Yu-Meng Gao, Yue-Jiao Zhang, Meng-Xue Ren, Xiao-Huan Lv, Ke-Xin Hou, Chen-Dong Jin, Hu Zhang, Ru-Qian Lian, Peng-Lai Gong, Rui-Ning Wang, Jiang-Long Wang, Xing-Qiang Shi