A dielectric-defined lateral heterojunction in a monolayer semiconductor

M. Iqbal Bakti Utama, Hans Kleemann, Wenyu Zhao, Chin Shen Ong, Felipe H. da Jornada, Diana Y. Qiu, Hui Cai, Han Li, Rai Kou, Sihan Zhao, Sheng Wang, Kenji Watanabe, Takashi Taniguchi, Sefaattin Tongay, Alex Zettl, Steven G. Louie, Feng Wang