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HL: Fachverband Halbleiterphysik

HL 26: Poster II

Mittwoch, 11. März 2026, 09:30–11:30, P1

09:30 HL 26.1 Quantum Dots in Nonlinear Mechanical Resonators — •Jona Richter, Noah Spitzner, Emeline Nysten, Matthias Weiss, and Hubert Krenner
09:30 HL 26.2 Gallium Nitride arrays for proton imaging — •Nico Frédéric Brosda, Matilde Siviero, Maxime Hugues, Stéphane Higueret, Nicolas Arbor, Andreas Wieck, and Jean-Yves Duboz
09:30 HL 26.3 Impact of Ge-doping on the photoelectrochemical response of cubic (Ga,In)N photoelectrodes — •Sundas Hamid, Marius Wasem, Mario F. Zscherp, Silas A. Jentsch, Jörg Schörmann, Sangam Chatterjee, and Matthias T. Elm
09:30 HL 26.4 First Principle Calculations of Scandium-Aluminium-NitridesMax Großmann, Malte Grunert, and •Wichard beenken
09:30 HL 26.5 Tracing Charge Carrier Transport in Freestanding Core-Shell GaN Nanowires on n-Si(111) Substrates — •Juliane Koch, Patrick Häuser, Peter Kleinschmidt, Lisa Liborius, Nils Weimann, and Thomas Hannappel
09:30 HL 26.6 Optical loss characterization in UV multimode AlGaN waveguides with and without a backside absorbing layer — •leonardo wildenburg, verena kowallik, tim wernicke, and michael kneissl
09:30 HL 26.7 Optimization of etching processes for quantum well structures to enhance IR emission — •Daniel Janzen, Peter Zajac, Sascha R. Valentin, Arne Ludwig, and Andreas D. Wieck
09:30 HL 26.8 Hydrogen Annealing of Silicon Micro- and Nanostructures through Rapid Thermal Processing — •Kyra Malcherek, Thomas Grap, and Markus Kaiser
09:30 HL 26.9 Processing and Characterization of Mid Infrared Emitters from III-V Epitaxy — •Peter Zajac, Sascha R. Valentin, Timo A. Kurschat, Rainer Krage, Arne Ludwig, and Andreas D. Wieck
09:30 HL 26.10 GaAs nanowire networks by electrochemical etching as a universal platform for oxide and nitride architectures — •Eduard Monaico, Sebastian Lehmann, Elena Monaico, Xinzhi Li, Veaceslav Ursaki, Ion Tiginyanu, and Kornelius Nielsch
09:30 HL 26.11 Influence of AlInP(100) Surface Reconstruction on TiO2/III–V Interface Chemistry and Band AlignmentMohammad Amin Zare Pour, Christian Höhn, Negin Mogharehabed, Roel van de Krol, Thomas Hannappel, and •Agnieszka Paszuk
09:30 HL 26.12 Measuring the Temperature Distribution of GaSb Wafers during MBE Growth — •Timo A. Kurschat, Sascha R. Valentin, Peter Zajac, Rainer Krage, Arne Ludwig, and Andreas D. Wieck
09:30 HL 26.13 Impact of Al containing nucleation layers on Si(100)/GaP heterointerface — •Kai Daniel Hanke, Angieszka Paszuk, Peter Kleinschmidt, and Thomas Hannappel
09:30 HL 26.14 Enhanced Field Emission Current Density in Chemically Engineered Multiwall Carbon Nanotube Neodymium Oxide Heterostructures — •Anima Mahajan, Menaka Jha, and Santanu Ghosh
09:30 HL 26.15 Low temperature photoluminescence excitation spectroscopy on thin film zinc phthalocyanine — •Josephine Braun, Sebastian Hammer, and Jens Pflaum
09:30 HL 26.16 Host-Emitter Interactions in Single-Gaussian Deep-Blue Europium(II) OLED Emitters — •Mahmoud Soleimani, Paulius Imbrasas, Jan-Michael Mewes, Felix Kaden, Sebastian Schellhammer, Toni Bärschneider, Carsten Rothe, and Sebastian Reineke
09:30 HL 26.17 Flexible OLED-OPD System in a Rolled Geometry for Angle-Resolved Optical Sensing — •Shujun Pei, Jan Schardt, Markus Köpke, and Martina Gerken
09:30 HL 26.18 Organic Narrowband Near-infrared Photodiodes for Breath Monitoring — •Sudhi Mahadevan, Siddhartha Saggar, Rabiul Islam, and Caroline Murawski
09:30 HL 26.19 Wavelength-selective, ultraviolet (Mg,Zn)O photodiodes — •Jonas Elz, Holger von Wenckstern, and Marius Grundmann
09:30 HL 26.20 Determination of activation energies in vertical co-doped κ-Ga2O3 Schottky barrier diodes — •Elise Morawe, Sofie Vogt, Holger von Wenckstern, and Marius Grundmann
09:30 HL 26.21 How To Tame Your Iodine in Reactive Sputtering and Similar UHV Thin Film Deposition Processes — •Christiane Dethloff, Sebastian Köpp, Sofie Vogt, Lukas Trefflich, Holger von Wenckstern, and Marius Grundmann
09:30 HL 26.22 Investigation of vertical α-Ga2O3/(AlxGa1−x)2O3 diodes grown by pulsed laser deposition — •Veronika Lunova, Sofie Vogt, Paul Bokemeyer, Holger von Wenckstern, and Marius Grundmann
09:30 HL 26.23 Titania-based aerodynamic nanomaterials produced by atomic layer deposition — •Tudor Braniste, Vladimir Ciobanu, Sebastian Lehmann, Phil Goldberg, Kornelius Nielsch, Niklas Wolff, Lorenz Kienle, Rainer Adelung, and Ion Tiginyanu
09:30 HL 26.24 Band-Gap Trends in Halide Double Perovskites from Quasiparticle Self-Consistent GW — •Louis Meier, Timur Biktagirov, Volodymyr Vasylkovskyi, Anastasiia Kultaeva, and Wolf Gero Schmidt
09:30 HL 26.25 Atomistic Modeling of A- and X-Site Mixing in Halide Perovskites using Cluster Expansion — •Hilde Bellersen, Ana M. Valencia, and Caterina Cocchi
09:30 HL 26.26 Cavity-enhanced microscopy: absorption measurements of single perovskite nanocubes and photo-switchable lipids — •Ayesha Khan, Ines Amersdorffer, David Hunger, and Thomas Hümmer
09:30 HL 26.27 Excitonic Reststrahlen Effect in (PEA)2PbI4 — •Michael Pfeufer, Patrick Grenzer, Friedrich Schöppler, and Tobias Hertel
09:30 HL 26.28 Optical Composition-Property Relationships in a Lead-Free Isostructural 2D Hybrid Metal-Halide Series — •Nils Kasten, Jan-H. Littmann, Meng Yang, Natalie Dehnhardt-Fehst, Lukas Gümbel, Ralph Kusche, Markus Stein, Johanna Heine, and Sangam Chatterjee
09:30 HL 26.29 Stokes, Anti-Stokes and selective excitation of Si-vacancies in SiC — •Emilian Eisermann, Vladimir Dyakonov, and Andreas Sperlich
09:30 HL 26.30 Double Gaussian Defect Cavity Design for Semiconductor Based Entangled Photon Sources — •Xian Zheng, Fei Ding, and MIchael Zopf
09:30 HL 26.31 Low-density InAs quantum dots for telecom O-band single-photon emission — •Elias Kersting, Nikolai Spitzer, Hans Georg Babin, Severin Krüger, Phil Julien Badura, and Arne Ludwig
09:30 HL 26.32 Effect of TiO2 thin films on shallow NV centers in co-doped diamond. — •Arthur Witte, Dominic Reinhardt, Peter Schlupp, Holger von Wenckstern, Jan Meijer, and Marius Grundmann
09:30 HL 26.33 High-Resolution Lift-Off Process for Sub-100-nm Metal Features using a PMMA Bilayer Stack — •Melina Sporkett, Lina Trippelsdorf, Thomas Grap, Florian Lentz, and Markus Kaiser
09:30 HL 26.34 Diamond devices for high contrast electrical readout of NV centers — •Melina F. V. Pees, Lina M. Todenhagen, Joachim P. Leibold, Dominik B. Bucher, and Martin S. Brandt
09:30 HL 26.35 Fabrication of SNSPDs on TF-LNoI for measurement device independent QKD — •Simon Palitza, Bilal Malik, and Carsten Schuck
09:30 HL 26.36 Role of a Quarter-Wave Plate in Resonant Laser Spectroscopy: Signature of Spin-Orbit Interactions of Light — •Wenze Lan, Anton Lögl, and Bernhard Urbaszek
09:30 HL 26.37 Phonon-Polaritons in MOVPE-grown hexagonal Boron Nitride — •Oskar Schröer, Maximilian Scharpey, Lena Miler, Johannes Binder, Andrzej Wysmołek, Daniel Wigger, and Iris Niehues
09:30 HL 26.38 Predicting nonlinear optical properties from the linear response: Generalized Miller Formulae — •Maximilian Tim Meyer and Arno Schindlmayr
09:30 HL 26.39 Revisiting Cross-Polarized Resonant Excitation: Spin-Orbit Interaction in Confocal Dark-Field Microscopy — •Anton Lögl, Wenze Lan, and Bernhard Urbaszek
09:30 HL 26.40 Optical properties of (TixGa1−x)2O3 — •Leonard Käferstein, Clemens Petersen, Daniel Splith, Holger von Wenckstern, Chris Sturm, and Marius Grundmann
09:30 HL 26.41 In situ investigation of PEC devices by time-resolved photoluminescence — •Peter Kleinschmidt, Ali Omar, Sahar Shekarabi, David Ostheimer, and Thomas Hannappel
09:30 HL 26.42 Propagation of Bloch surface polaritons in ZnOSebastian Henn, •Dmitry Sayenko, Marius Grundmann, and Chris Sturm
09:30 HL 26.43 Comparative ab initio characterization of LiNbO3, Li3NbO4 and LiNb3O8 — •Frederik Schmidt and Arno Schindlmayr
09:30 HL 26.44 Improving the optical readout of NV-centers in diamond by oxide surface coating — •Klemens Wurl, Michael Bar, Holger von Wenchstern, and Marius Grundmann
09:30 HL 26.45 Two-color sensitive II-VI wide-bandgap diodes with PbTe quantum dots for visible and infrared detection and emission — •Jakub Gluch, Sergij Chusnutdinow, Michal Szot, Piotr Wojnar, and Grzegorz Karczewski
09:30 HL 26.46 Microscopic reverse-bias electroluminescence spectra and spectral images of 850 nm oxide-confined VCSELs during burn-in — •Arndt Jaeger, Nikolay Ledentsov Jr., Sebastian Haberkern, Helmut Meinert, Alexander Moll, Dominik Ölke, Ilya E. Titkov, Oleg Yu. Makarov, and Nikolay Ledentsov
09:30 HL 26.47 Optical Properties of a Transition-metal Dichalcogenide - ZnO Nanowire Field-effect Transistor — •Yashvi Bulsara, Maximilian Tomoscheit, Omid Ghaebi, Edwin Eobaldt, Carsten Ronning, and Giancarlo Soavi
09:30 HL 26.48 PT-Symmetry in Excitonic Spectra of TMDC Monolayers under Influence of Magnetic Fields — •Michiel Snoeken, Andreas Knorr, and Henry Mittenzwey
09:30 HL 26.49 Calculation of thermodynamic potentials and heat capacities of ScN , YN and Au2InYb — •Clemens Vogel and Jens Kortus
09:30 HL 26.50 Super-Resolution Terahertz Spectroscopy via Near-Field Electro-Optic Sampling — •Kevin Berwagner, Moritz Heindl, Fabian Brütting, and Georg Herink
09:30 HL 26.51 Highspeed ultrafast spectroscopy via active synchronization of dual-comb lasers — •Simeon Schmitt, Julia Lang, and Georg Herink
09:30 HL 26.52 Ultrafast negative thermal expansion in NbO2 — •Florian Baltrusch, Marc Herzog, Florin Boariu, Matthias Rössle, Jutta Schwarzkopf, and Matias Bargheer
09:30 HL 26.53 Development of single-shot spectral referencing to increase signal-to-noise ratio in broadband 2D electronic spectroscopy — •Lotte Polling, Anton Trenczek, Pavel Trofimov, Trideep Kawde, and Hélène Seiler
09:30 HL 26.54 Ultrafast Lattice Dynamics in Gold Beyond the Kinematic Approximation — •Helena Hollstein, Sebastian Hammer, and Heinrich Schwoerer
09:30 HL 26.55 Ultrafast dynamics of exciton–exciton interaction in monolayer MoS2 investigated by high-order pump–probe micro-spectroscopy — •Ruidan Zhu, Patrick Grenzer, Simon Büttner, Matthias Hensen, Tobias Hertel, and Tobias Brixner
09:30 HL 26.56 Impulsive Stimulated Raman Scattering: Highspeed Detection Strategies — •Laura Hüllmandel, Julia A. Lang, and Georg Herink
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