Regensburg 2025 – scientific programme

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HL: Fachverband Halbleiterphysik

HL 53: 2D Semiconductors and van der Waals Heterostructures V

Thursday, March 20, 2025, 15:00–17:15, H15

The session covers excitonic properties of 2D semiconductors and van der Waals heterostructures.

	15:00	HL 53.1	1D exciton confinement in monolayer MoSe2 near ferroelectric domain walls in periodically poled LiNBo3 — •Pedro Soubelet, Yao Tong, Asier Astaburuaga Hernandez, Andreas V. Stier, and Jonathan J. Finley
	15:15	HL 53.2	Collective charge excitations between moiré minibands in twisted WSe2 bilayers probed with resonant inelastic light scattering — •Hendrik Lambers, Nihit Saigal, Nicolai-Leonid Bathen, Veljko Antić, Lennart Klebl, Dante M. Kennes, Tim O. Wehling, and Ursula Wurstbauer
	15:30	HL 53.3	Unraveling Rashba spin-orbit coupling in TMDs — •Miguel Morales Cocera, Marta Prada, and Gabriel Bester
	15:45	HL 53.4	Theory of Magnetic Field Dependence of Excitonic Spectra in Atomically Thin Semiconductors — •Michiel Snoeken and Henry Mittenzwey
	16:00		15 min. break
	16:15	HL 53.5	Spatial mapping of the tunable band gaps of bilayer graphene using a WSe2 sensor layer — David Tebbe, •Alexander Polkowski, Sophia Lackhoff, Jonas Blum, Takashi Taniguchi, Kenji Watanabe, Bernd Beschoten, Lutz Waldecker, and Christoph Stampfer
	16:30	HL 53.6	Beyond the K-Valley: Exploring Unique Trion States in Indirect Band Gap Monolayer WSe2 — •Franz Fischer, Carl Emil Mørch Nielsen, and Gabriel Bester
	16:45	HL 53.7	Trion saturation and trion filtering in MoS2 and MoS2/graphene heterostructures — Omid Ghaebi, Tarlan Hamzayev, •Till Weickhardt, and Giancarlo Soavi
	17:00	HL 53.8	Engineering carrier density and exciton polarization in WSe2 monolayers via photochlorination — •Eirini Katsipoulaki, George Vailakis, Delphine Lagarde, Vishwas Jindal, Konstantinos Mourtzidis, Xavier Marie, Ioannis Paradisanos, George Kopidakis, George Kioseoglou, and Emmanouel Stratakis