Regensburg 2025 – scientific programme

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HL: Fachverband Halbleiterphysik

HL 40: 2D Semiconductors and van der Waals Heterostructures IV

Wednesday, March 19, 2025, 15:30–19:00, H15

The session covers the magnetic and topological properties of 2D semiconductors and van der Waals heterostructures.

	15:30	HL 40.1	Dielectric tensor of the layered magnetic semiconductor CrSBr — •Pierre-Maurice Piel, Sebastian Schaper, Marie-Christin Heißenbüttel, Aleksandra Lopion, Zdenek Sofer, and Ursula Wurstbauer
	15:45	HL 40.2	Raman Polarization Switching in CrSBr — •Priyanka Mondal, Daria I. Markina, Lennard Hopf, Lukas Krelle, Sai Shradha, Julian Klein, Mikhail M. Glazov, Iann Gerber, Kevin Hagmann, Regine v. Klitzing, Kseniia Mosina, Zdenek Sofer, and Bernhard Urbaszek
	16:00	HL 40.3	Resonant Inelastic Light Scattering on CrSBr — •Jan-Hendrik Larusch, Pierre-Maurice Piel, Nicolai-Leonid Bathen, Zdenek Sofer, and Ursula Wurstbauer
	16:15	HL 40.4	Disentangling three anisotropic resistivities of the topological insulator α-Bi4Br4 — •Jonathan K. Hofmann, Serhii Kovalchuk, Yuqi Zhang, Vasily Cherepanov, Timofey Balashov, Zhiwei Wang, Yugui Yao, Irek Morawski, F. Stefan Tautz, Felix Lüpke, and Bert Voigtländer
	16:30		15 min. break
	16:45	HL 40.5	Spin Hall effect in van-der-Waals ferromagnet — •Tomoharu Ohta, Nan Jiang, Yasuhiro Niimi, Kohei Yamagami, Yoshinori Okadada, Yoshichika Otani, and Kouta Kondou
	17:00	HL 40.6	Pseudo-magnetotransport simulations in strained graphene — •Alina Mrenca-Kolasinska and Ming-Hao Liu
	17:15	HL 40.7	Strong magnetic proximity effect in van der Waals heterostructures driven by direct hybridization — •Claudia Cardoso, Antomio T. Costa, Allan H. McDonald, and Joaquin Fernandez-Rossier
	17:30	HL 40.8	Magnetotransport in heterostructures of MBE-grown BS/BSTS and graphene — •Marina Marocko, Matthias Kronseder, Tobias Rockinger, Takashi Taniguchi, Kenji Watanabe, Dieter Weiss, and Jonathan Eroms
	17:45	HL 40.9	Exploring the valley splitting and valley dynamics of WSe2 proximity-exchange coupled to CrI3 — •Natalie Kuhn, Marc Schütte, Jo Henri Bertram, Frank Volmer, K. Watanabe, T. Taniguchi, Christoph Stampfer, Lutz Waldecker, and Bernd Beschoten
	18:00	HL 40.10	Excitonic traps in freely suspended 2D membranes — •Alexander Musta, Leonard Geilen, Lukas Schleicher, Benedict Brouwer, Petricia Sara Peter, Anne Rodriguez, Eva Weig, and Alexander Holleitner
	18:15	HL 40.11	Rabi Splitting in Quantum Wells and TMDCs: Influence of Many-Particle Coulomb Correlations — •Henry Mittenzwey, Felix Schäfer, Markus Stein, Oliver Voigt, Lara Greten, Daniel Anders, Isabel Müller, Florian Dobener, Marzia Cuccu, Christian Fuchs, Kenji Watanabe, Takashi Taniguchi, Alexey Chernikov, Kerstin Volz, Sangam Chatterjee, and Andreas Knorr
	18:30	HL 40.12	Inhomogeneous Broadening of Dark Rydberg Excitons in TMDC Monolayers Probed by Ultrafast Frequency-Resolved Autocorrelation Spectroscopy — •Katem Mitkong, Tom Jehle, Daniel C. Lünemann, Lukas Lackner, Juanmei Duan, Christian Schneider, and Christoph Lienau
	18:45	HL 40.13	Expanding the lithography toolbox - 2D devices and beyond — •Vasilis Theofylaktopoulos