[Th-A2-B] Novel optoelectrical phenomena in 2D materials

11:45 AM - 12:00 PM JST(2:45 AM - 3:00 AM UTC)

[Th-A2-B-04] Magneto-Optical Kerr Effect Spectroscopy Study of Excitons in Transition Metal Dichalcogenide Semiconductors

Dibyasankar Das¹, Dipankar Jana¹, Thorsten Deilmann², 〇Sandip Ghosh¹ (1. Tata Institute of Fundamental Research (India), 2. Universität Münster (Germany))

We use magneto-optical Kerr effect spectroscopy to measure Lande-g factor of excitons in transition metal diechalcogenide semiconductors with relatively low magnetic fields. We provide evidence for a second inter-layer exciton in 2H-MoS₂, adjacent to the ground state B_1s exciton.