Optical properties of orthorhombic germanium sulfide: unveiling the anisotropic nature of Wannier excitons
Mehdi Arfaoui, Natalia Zawadzka, Sabrine Ayari, Zhaolong Chen, Kenji Watanabe, Takashi Taniguchi, Adam Babiński, Maciej Koperski, Sihem Jaziri, Maciej R. Molas.