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HL: Fachverband Halbleiterphysik

HL 9: 2D Materials and Heterostructures: Interlayer Excitons

Monday, March 18, 2024, 15:00–18:30, EW 201

15:00 HL 9.1 New interlayer excitons in 2D bilayers revealed under strong electric field — •Sviatoslav Kovalchuk, Kyrylo Greben, Abhijeet Kumar, Simon Pessel, Jan Soyka, Qing Cao, Kenji Watanabe, Takashi Taniguchi, Dominik Christiansen, Malte Selig, Andreas Knorr, Siegfried Eigler, and Kirill Bolotin
15:15 HL 9.2 Signatures of efficient intervalley scattering by acoustic phonons in WSe2/MoSe2 heterostructure — •Hendrik Lambers, Nihit Saigal, Jonas Kiemle, Alexander W. Holleitner, and Ursula Wurstbauer
15:30 HL 9.3 Emergent Trion-Phonon Coupling in Atomically Reconstructed MoSe2-WSe2 Heterobilayers — •P. Parzefall, S. Meier, Y. Zhumagulov, M. Dietl, N. Meier, J. Lichtenberger, M. Kempf, J. Holler, P. Nagler, K. Watanabe, T. Taniguchi, P. E. Faria JR., J. Fabian, T. Korn, and C. Schüller
15:45 HL 9.4 Spin Relaxation of Interlayer Excitons in TMDC Heterostructures — •Henry Mittenzwey, Abhijeet Kumar, Kirill Bolotin, Malte Selig, and Andreas Knorr
16:00 HL 9.5 Impact of hybrid exciton-exciton interactions on transport in 2D materials — •Daniel Erkensten, Samuel Brem, Raul Perea-Causin, Joakim Hagel, Fedele Tagarelli, Edoardo Lopriore, Ermin Malic, and Andras Kis
  16:15 HL 9.6 The contribution has been withdrawn.
  16:30 15 min. break
16:45 HL 9.7 Extended spatial coherence of interlayer excitons in MoSe2/WSe2 heterobilayers — •Johannes Figueiredo, Mirco Troue, Lukas Sigl, Christos Paspalides, Manuel Katzer, Malte Selig, Andreas Knorr, Ursula Wurstbauer, and Alexander Holleitner
17:00 HL 9.8 Theory of interlayer excitons dynamics in 2D TMDCs Heterolayers including reconstruction through strain and disorder — •Marten Richter
17:15 HL 9.9 The impact of twist angle and band alignment on the excitation of valley-polarized free charge carriers in WSe2/MoSe2 heterobilayers — •Jo Bertram, Marc Schütte, Frank Volmer, Manfred Ersfeld, Lars Rathmann, Kenji Watanabe, Takashi Taniguchi, Christoph Stampfer, Lutz Waldecker, and Bernd Beschoten
17:30 HL 9.10 Investigating moiré interlayer excitons under the influence of atomic reconstructions — •Nils-Erik Schütte, Carl Emil Mørch Nielsen, Niclas Götting, Frederik Lohof, Gabriel Bester, and Christopher Gies
17:45 HL 9.11 Pressure Dependence of Intra- and Interlayer Excitons in 2H-MoS2 Bilayers — •Jan-Hauke Graalmann, Paul Steeger, Robert Schmidt, Ilya Kupenko, Carmen Sanchez-Valle, Philipp Marauhn, Thorsten Deilmann, Steffen Michaelis de Vasconcellos, Michael Rohlfing, and Rudolf Bratschitsch
18:00 HL 9.12 Correlated Magnetism in Moiré Exciton-Polaritons — •Lukas Lackner, Johannes Scherzer, Bo Han, Jens-Christian Drawer, Christoph Bennenhei, Martin Esmann, Alexander Högele, and Christian Schneider
18:15 HL 9.13 Theoretical description of ultraviolet interlayer trions in bilayer 2H-WSe2 — •Ruven Hübner, Alexander Steinhoff, and Matthias Florian
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