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HL: Fachverband Halbleiterphysik

HL 19: Poster Session IV

Donnerstag, 30. September 2021, 13:30–16:30, P

Topics:
- Semiconductor lasers
- Semiconductors for quantum technologies
- Ultra-fast phenomena
- Oxide semiconductors
- Tailored Nonlinear Photonics

13:30	HL 19.1	Bandgap and Secondary Phase Analysis of (A)CIGS Solar Cell Absorber and Buffer Layers Using Electroreflectance Spectroscopy — •Michael Dao, Jonas Grutke, Wolfram Witte, Dimitrios Hariskos, Heinz Kalt, and Michael Hetterich

13:30	HL 19.2	Electroreflectance as a Powerful Tool to Investigate Internal Device Parameters in CIGS Solar Cells — •Lennart Meyer, Jonas Grutke, Wolfram Witte, Dimitrios Hariskos, Heinz Kalt, and Michael Hetterich

13:30	HL 19.3	Atomic and electronic structure of the GaP/Si(001) heterointerface studied by HAXPES — •Agnieszka Paszuk, Oleksandr Romanyuk, Igor Bartoš, Regan G. Wilks, Manali Nandy, Jakob Bombsch, Claudia Hartmann, Raül Garcia-Diez, Shigenori Ueda, Ivan Gordeev, Jana Houdkova, Peter Kleinschmidt, Marcus Bär, Peter Jiříček, and Thomas Hannappel

13:30	HL 19.4	The contribution has been withdrawn (duplicate of HL 19.6).

13:30	HL 19.5	Modification of epitaxial La0.6Sr0.3CoO3-δ thin films by ion irradiation — •Yunxia Zhou, Lei Cao, Andreas Herklotz, Diana Rata, Suqin He, Felix Gunkel, Ulrich Kentsch, Manfred Helm, and Shengqiang Zhou

13:30	HL 19.6	Electric-field-driven evolution of anti-Frenkel defects in ErMnO3 — •Jiali He, Ursula Ludacka, Donald Evans, Theodor Holstad, Erik Roede, Kasper Hunnestad, Konstantin Shapovalov, Zewu Yan, Edith Bourret, Antonius Van Helvoort, and Dennis Meier

13:30	HL 19.7	Ammonia and Acetone Gas Sensor Based on Nanocomposites of Indium Oxide and Multiwalled Carbon Nanotubes — •Nipin Kohli

13:30	HL 19.8	Förster-Type Energy Transfer Between Molecules and Atomically Thin Semiconductors — •Manuel Katzer, Malte Selig, Sviatoslav Kovalchuk, Kyrylo Greben, Kirill Bolotin, and Andreas Knorr

13:30	HL 19.9	Atomic Structure of Antiphase Domains on GaP/Si(100):As — Dominik Bratek, •Peter Kleinschmidt, Manali Nandy, Oliver Supplie, Agnieszka Paszuk, and Thomas Hannappel

13:30	HL 19.10	Ultrafast energy transfer triggers ionization energy offset dependent quantum yields in low-bandgap NFA solar cells — •Julien F. Gorenflot, Safakath Karuthedath, Yuliar Firdaus, Catherine S. De Castro, George Harrison, Anastasia Markina, Neha Chaturvedi, Jafar Khan, Ahmed H. Balawi, Sri H. K. Paleti, Thomas Anthopoulos, Derya Baran, Denis Andrienko, and Frédéric Laquai

13:30	HL 19.11	Electronic properties of MoS₂ monolayer doped by donor, acceptor, and aromatic molecules — •Juan Pablo Guerrero, Ana M. Valencia, Jannis Krumland, and Caterina Cocchi

13:30	HL 19.12	Coulomb Blockade at room temperature of self-assembled GaN quantum dot ensembles, measured via Capacitance-Voltage spectroscopy — •Carlo Alberto Sgroi, Julien Brault, Jean-Yves Duboz, Philippe Vennéguès, Sébastien Chenot, Arne Ludwig, and Andreas D. Wieck

13:30	HL 19.13	Exploration of the electrochemical Interface of InP under applied potentials with Reflection Anisotropy Spectroscopy — •Margot Guidat, Mario Löw, Vibhav Yadav, Jongmin Kim, and Matthias M. May

13:30	HL 19.14	Carrier effective masses in 2D halide perovskites from a first-principles approach — •Xiangzhou Zhu, Mateusz Dyksik, Jonas D. Ziegler, Matan Menahem, Jonas Zipfel, Barbara Meisinger, Michal Baranowski, Omer Yaffe, Alexey Chernikov, Paulina Plochocka, and David A. Egger

13:30	HL 19.15	The interfacial (electronic) structure of InP(001) in contact with electrolytes from computational spectroscopy — Vibhav Yadav, Margot Guidat, Mario Löw, Jongmin Kim, and •Matthias M. May

13:30	HL 19.16	Reduction of crystal defects in GaP buffer layers grown on Si(100) by MOCVD — •Manali Nandy, Agnieszka Paszuk, Markus Feifel, Christian Koppka, Peter Kleinschmidt, Frank Dimroth, and Thomas Hannappel

13:30	HL 19.17	Understanding surface properties of CsK₂Sb from first principles — •Richard Schier, Holger-Dietrich Saßnick, and Caterina Cocchi

13:30	HL 19.18	The contribution has been moved to HL 3.27.

13:30	HL 19.19	Pump-probe measurements to detect ultra-fast carrier dynamics and carrier density saturation in GaN-based quantum wells — •Malte Schrader, Philipp Henning, Heiko Bremers, Uwe Rossow, and Andreas Hangleiter

13:30	HL 19.20	Tuning the electrochemical properties of multifunctional catalyst layers by plasma-enhanced atomic layer deposition — •Matthias Kuhl, Alex Henning, Lukas Haller, Laura Wagner, Chang-Ming Jiang, Verena Streibel, Ian D. Sharp, and Johanna Eichhorn

13:30	HL 19.21	Effect of hydrogen in low temperature GaN underlayer on the effective carrier lifetime in GaInN/GaN single quantum wells — •Rodrigo De Vasconcellos Lourenço, Philipp Henning, Samar Hagag, Uwe Rossow, Heiko Bremers, and Andreas Hangleiter

13:30	HL 19.22	The contribution has been withdrawn.

13:30	HL 19.23	X-ray absorption fingerprints in LiCoO₂ and CoO₂ — •Daniel Duarte Ruiz and Caterina Cocchi

13:30	HL 19.24	RF beat note analysis of a semiconductor optical frequency comb — •Duc Nam Nguyen, Dominik Auth, Quentin Gaimard, Abderrahim Ramdane, and Stefan Breuer

13:30	HL 19.25	Contactless Measurement of the Sheet Resistance of two-dimensional Electron Gases — •Timo A. Kurschat, Arne Ludwig, and Andreas D. Wieck

13:30	HL 19.26	Thermal Conductivity Measurements in β-Ga₂O₃ Thin Films — •Robin Ahrling, Olivio Chiatti, Rüdiger Mitdank, Zbigniew Galazka, Andreas Popp, and Saskia F. Fischer

13:30	HL 19.27	Contact Preparation and Thermoelectric Properties of Bismuth Nanowires — •Mahni Müller, Rüdiger Mitdank, Hoda Moosavi, Michael Kröner, Peter Woias, Jeongmin Kim, Wooyoung Lee, Adnan Hammoud, Thomas Lunkenbein, and Saskia Fischer

13:30	HL 19.28	Nonlinear down-conversion in a single quantum dot — •Björn Jonas, Dirk Heinze, Eva Schöll, Patricia Kallert, Timo Langer, Sebastian Krehs, Alex Widhalm, Klaus D. Jöns, Dirk Reuter, Stefan Schumacher, and Artur Zrenner

13:30	HL 19.29	Spin lasing in bimodal quantum dot micropillar cavities — •Niels Heermeier, Tobias Heuser, Jan Grosse, Natalie Jung, Markus Lindemann, Nils Gerhard, Martin Hofmann, and Stephan Reitzenstein

13:30	HL 19.30	Non-integer high-harmonic generation in a topological insulator — Christoph P. Schmid, Leonard Weigl, Patrick Grössing, Vanessa Junk, Cosimo Gorini, Stefan Schlauderer, Suguru Ito, •Manuel Meierhofer, Niklas Hofmann, Dmytro Afanasiev, Jack Crewse, Konstantin A. Kokh, Oleg E. Tereshchenko, Jens Güdde, Ferdinand Evers, Jan Wilhelm, Klaus Richter, Ulrich Höfer, and Rupert Huber

13:30	HL 19.31	Exciton-phonon coupling in transition metal dichalcogenides revealed by ultrafast electron diffraction. — •Ahmed Hassanien, Arne Ungeheuer, Mashood Tarek Mir, Lukas Nöding, Arne Senftleben, and Thomas Baumert