Regensburg 2022 – wissenschaftliches Programm

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HL: Fachverband Halbleiterphysik

HL 25: Poster 1

Mittwoch, 7. September 2022, 18:00–20:00, P2

- 2D semiconductors and van der Waals heterostructures
- Acoustic waves and nanomechanics
- Focus Session: Perspectives in Cu(In,Ga)Se2: How to go beyond 23.4 percent
- Focus Session: Quantum Properties at Functional Oxide Interfaces
- Functional semiconductors for renewable energy solutions
- Heterostructures, interfaces and surfaces
- Optical properties
- Organic semiconductors
- Quantum dots and wires
- Quantum transport and quantum Hall effects
- Semiconductor lasers
- Spin phenomena in semiconductors
- Thermal properties
- THz and MIR physics in semiconductors
- Transport properties

18:00 HL 25.1 A versatile transfer printing toolbox for 2D material stacking — •Ioannis Caltzidis, Maja Groll, Julius Bürger, Marc Satison, Jörg K. N. Lindner, and Klaus D. Jöns
18:00 HL 25.2 Enhancement of Raman and Defect Photoluminescence Emission in Hexagonal Boron Nitride (h-BN) — •Felix Schaumburg, Marcel Zöllner, Vasilis Dergainlis, Axel Lorke, Martin Geller, and Günther Prinz
18:00 HL 25.3 Surface acoustic wave modulation of optical and electrical properties in TMDC monolayers — •Clemens Strobl, Benjamin Mayer, Hendrik Lambers, Ursula Wurstbauer, and Hubert Krenner
18:00 HL 25.4 Raman fingerprint of twisted TMDC bilayersSina Bahmanyar, Nihit Saigal, •Hossein Ostovar, and Ursula Wurstbauer
18:00 HL 25.5 Nonlinear spectroscopy of valley polarization in transition metal dichalcogenides — •Paul Herrmann, Sebastian Klimmer, and Giancarlo Soavi
18:00 HL 25.6 Charge carrier dependent Raman response in WS2 monolayers — •Hendrik Lambers, Nihit Saigal, and Ursula Wurstbauer
  18:00 HL 25.7 The contribution has been withdrawn.
18:00 HL 25.8 Destructive Photon Echo Formation in Six-Wave Mixing Signals Induced by Local Field Effects — •Thilo Hahn, Jacek Kasprzak, Tilmann Kuhn, and Daniel Wigger
18:00 HL 25.9 Signature of lattice dynamics in twisted 2D homo/hetero-bilayers — •Yang Pan, Shutong Li, Mahfujur Rahaman, Ilya Milekhin, and Dietrich R. T. Zahn
18:00 HL 25.10 Transport Measurements on Twisted Graphene Heterostructures around Magic Angle — •Bei Zheng, Xiao Yue Zhang, Jun Hui Huang, Lina Bockhorn, and Rolf J. Haug
18:00 HL 25.11 Rashba Splitting Modulated by Tuned Intrinsic Dipole Moment in MoSSe/WSSe Heterostructures — •hamid mehdipour and peter kratzer
18:00 HL 25.12 Valley dynamics in WSe2 monolayers and MoSe2-WSe2 heterobilayers — •Philipp Parzefall, Matthias Brem, and Christian Schüller
18:00 HL 25.13 Electrical control of orbital and vibrational interlayer coupling in bi- and trilayer 2H-MoS2.Julian Klein, Jakob Wierzbowski, •Pedro Soubelet, Thomas Brumme, Lorenzo Maschio, Agnieszka Kuc, Kai Müller, Andreas V. Stier, and Jonathan J. Finley
18:00 HL 25.14 Assigning excitonic transitions in reconstructed MoSe2-WSe2 heterostacks — •Christos Paspalides, Mirco Troue, Lukas Sigl, Johannes Figueiredo, Manuel Katzer, Malte Selig, Florian Sigger, Roland Gillen, Jonas Kiemle, Andreas Knorr, Ursula Wurstbauer, and Alexander Holleitner
18:00 HL 25.15 Fabrication and Characterization of Twisted TMDC Bilayer — •Laura Nicolette Schusser, Sina Bahmanyar, Nihit Saigal, Hendrik Lambers, Hossein Ostovar, and Ursula Wurstbauer
18:00 HL 25.16 Optical characterization of van der Waals WS2 Monolayer- Pyrenemethylammonium chloride few-layer vertical heterointerfaces — •Mohammed Adel Aly, Hilary Masenda, Arslan Usman, Bettina Wagner, Johanna Heine, Marina Gerhard, and Martin Koch
18:00 HL 25.17 Modification of charge transport in single layer MoS2 — •Zahra Fekri, Phanish Chava, Gregor Hlawacek, Vivek Koladi, Tommaso Venanzi, Wajid Awan, Antony George, Andrey Turchanin, Kenji Watanabe, Takashi Taniguchi, Manfred Helm, and Artur Erbe
18:00 HL 25.18 Tunable THz-absorption and gain in transition metal dichalcogenides — •Josefine Neuhaus, Tineke Stroucken, and Stephan W. Koch
18:00 HL 25.19 Contact engineering of black phosphorus field-effect transistors — •Yagnika Vekariya, Phanish Chava, Zahra Fekri, Kenji Watanabe, Takashi Taniguchi, Sibylle Gemming, and Artur Erbe
18:00 HL 25.20 Single photon emitters study in hBN via low power implantation approach — •Renu Rani, Minh Bui, Bilal Malik, Manuel Auge, Thorsten Brazda, Hans Hofsäss, Detlev Grützmacher, and Beata Kardynał
18:00 HL 25.21 Twist angle dependent proximity induced spin-orbit coupling in graphene/WSe2/hBN heterostructures — •Tobias Rockinger, Antony George, Andrey Turchanin, Ziyang Gan, Kenji Watanabe, Takashi Taniguchi, Dieter Weiss, and Jonathan Eroms
18:00 HL 25.22 Nucleation of hBN on HOPG in conventional MBE — •Constantin Hilbrunner, Juli Zhang, Joerg Malindretos, and Angela Rizzi
18:00 HL 25.23 Ultra-sensitive extinction measurements of optically active defects in monolayer MoS2 — •Ines Amersdorffer, Florian Sigger, Alexander Hötger, Manuel Nutz, Alexander Högele, David Hunger, Thomas Hümmer, and Christoph Kastl
18:00 HL 25.24 Electrical tuning of excitonic complexes in twisted van-der-Waals heterostructures — •Barbara Rosa, Chirag Palekar, and Stephan Reitzenstein
18:00 HL 25.25 Optical excitations in 2D material heterostructures under pressure — •Devika Sivankutty, Paul Steeger, Johann Preuß, Robert Schmidt, Steffen Michaelis de Vasconcellos, and Rudolf Bratschitsch
18:00 HL 25.26 Optical properties of multilayer MoS2 under high pressure — •Paul Steeger, Robert Schmidt, Ilya Kupenko, Carmen Sanchez-Valle, Steffen Michaelis de Vasconcellos, and Rudolf Bratschitsch
18:00 HL 25.27 Deterministic creation of strain gradients in 2D materials — •Robert Schmidt, Johannes Kern, Jannis Bensmann, Paul Steeger, Robert Schneider, Helge Gehring, Wolfram H. P. Pernice, Steffen Michaelis de Vasconcellos, and Rudolf Bratschitsch
18:00 HL 25.28 "Ghupft und Gschobm": An ab initio multi-scale approach to bands and electron-phonon coupling in twisted WSe2 bilayers — •Michael Winter and Tim Wehling
18:00 HL 25.29 Ultrafast dynamics of dark states in photocurrent of TMD heterostructures — •Denis Yagodkin, Elias Ankerhold, Abhijeet Kumar, Johanna Richter, Firas Ben Moussa, Cornelius Gahl, and Kirill Bolotin
18:00 HL 25.30 Charge carrier localization in nanobubbles of atomically thin TMD semiconductorsChristian Carmesin, Michael Lorke, Matthias Florian, •Daniel Erben, and Frank Jahnke
18:00 HL 25.31 Tunable 2D phononic crystals — •Yuefeng Yu, Jan Kirchhof, Bianca Hofer, Oguzhan Yucel, and Kirill Bolotin
18:00 HL 25.32 Effect of gallium content on the grain boundary properties of polycrystalline Cu(In,Ga)Se2 absorber layers in thin-film solar cells — •Sinju Thomas, Wolfram Witte, Dimitrios Hariskos, Stefan Paetel, Chang-Yun Song, Heiko Kempa, Nora El-Ganainy, and Daniel Abou-Ras
18:00 HL 25.33 Phonon Transport in Thin Homoepitaxial β-Ga2O3 Films — •Robin Ahrling, Olivio Chiatti, Rüdiger Mitdank, Zbigniew Galazka, Andreas Popp, and Saskia F. Fischer
18:00 HL 25.34 Towards Heat Transport in Exfoliated β-Ga2O3 Flakes — •Sakhir Shibli, Robin Ahrling, Olivio Chiatti, Rüdiger Mitdank, Zbigniew Galazka, and Saskia F. Fischer
18:00 HL 25.35 Investigation of pinhole defects in ALD TiO2−x corrosion protection layers on III-V semiconductor photocathodes — •Nicola Taffertshofer, Tim Rieth, and Ian Sharp
18:00 HL 25.36 Investigation of Electrically-Active Dopants in Sulfur-Hyperdoped Silicon Using Resistance Measurements — •Skrollan Detzler, Christoph Flathmann, and Michael Seibt
18:00 HL 25.37 Automation of band structure simulations to determine Si-dopant efficiency in AlGaAs — •Maximilian Kristo, Nico Brosda, Andreas D. Wieck, and Arne Ludwig
18:00 HL 25.38 Electrochemical epitaxial (200) PbSe submicron plates on single layer graphene for ultrafast infrared response — •Chan Yang, Shuanglong Feng, Yinye Yu, Jun Shen, Xingzhan Wei, and Haofei Shi
18:00 HL 25.39 Reconstructions of the As-terminated GaAs(001) surface exposed to atomic hydrogenMarsel Karmo, Isaac Azahel Ruiz Alvarado, Wolf Gero Schmidt, and •Erich Runge
18:00 HL 25.40 Remote Heteroepitaxy of In(x)Ga(1-x)As on Graphene Covered GaAs(001) Substrates — •Tobias Henksmeier, Friedemann Schulz, Elias Kluth, Martin Feneberg, Rüdiger Goldhahn, and Dirk Reuter
18:00 HL 25.41 Nonlinear dynamics of Dirac fermions in topological HgTe structures — •Tatiana Aureliia Uaman Svetikova, Alexej Pashkin, Thales Oliveira, Florian Bayer, Christian Berger, Lena Fürst, Hartmut Buhmann, Laurens W. Molenkamp, Manfred Helm, Tobias Kiessling, Stephan Winnerl, Sergey Kovalev, and Georgy V. Astakhov
18:00 HL 25.42 Graphitic Carbon Nitride/Semiconductor Quantum Dots 2D/0D Heterostructures — •Thuy Linh Nguyen Thi, Oleksandr Selyshchev, and Dietrich R.T. Zahn
18:00 HL 25.43 Contactless mapping of the sheet resistance of GaAs samples — •Timo A. Kurschat, Arne Ludwig, and Andreas D. Wieck
18:00 HL 25.44 GW benchmarks — •Maryam Azizi, Matteo Giantomassi, and Xavier Gonze
18:00 HL 25.45 Two-Photon Absorption Induced Photoluminescence in CuI Single Crystals — •Andreas Müller, Evgeny Krüger, Lukas Trefflich, Steffen Blaurock, Harald Krautscheid, Marius Grundmann, and Chris Sturm
18:00 HL 25.46 Time-Resolved Nanoscale X-ray Analysis to Investigate Luminescence Dynamics of Co in ZnO-Material Systems — •Adrian Nowotnick, Christian Plass, Valentina Bonino, Maurizio Ritzer, Lukas Jäger, Jaime Segura-Ruiz, Gema Martinez-Criado, and Carsten Ronning
18:00 HL 25.47 Photoluminescence observation of Erbium implanted semiconductor nanostructures — •Nico Brosda, Cristian Düputell, Arne Ludwig, and Andreas Wieck
18:00 HL 25.48 Semiclassical and quantum optical field dynamics in an optical cavity with a finite number of quantum emitters — •Kevin Jürgens, Frank Lengers, Daniel Groll, Doris E. Reiter, Daniel Wigger, and Tilmann Kuhn
18:00 HL 25.49 Temperature dependence of phonons of CuI — •R. Hildebrandt, M. Seifert, S. Botti, C. Sturm, and M. Grundmann
18:00 HL 25.50 Manipulating light-emission in direct band gap hexagonal Silicon Germanium nanowire arrays — •David Busse, Victor van Lange, Elham Fadaly, Wouter Peeters, Marco Vettori, Jos Haverkort, Erik Bakkers, Gregor Koblmüller, and Jonathan Finley
18:00 HL 25.51 Influence of encapsulation material on organic magnetoconductance effect in organic light emitting diodes (OLED) — •Annika Morgenstern, Dominik Weber, Apoorva Sharma, Daniel Schondelmaier, Dietrich R.T. Zahn, and Georgeta Salvan
18:00 HL 25.52 The Impact of Mechanical Stress on Structural, Morphological and Electrical Properties of Transferable Organic Semiconductor Nanosheets — •Veronika Reisner, Sirri Batuhan Kalkan, and Bert Nickel
18:00 HL 25.53 Damping and detecting vibrational modes in organic semiconductors with tunable graphene cavities — •Lukas Renn and Thomas Weitz
18:00 HL 25.54 Towards charge-carrier transport studies in organic semiconductors strongly coupled to the electromagnetic vacuum field — •Daniel Vitroler, James W. Borchert, and R. Thomas Weitz
18:00 HL 25.55 Influence of the probe-to-semiconductor contact on the electrical characterization of nanowire structures — •Juliane Koch, Lisa Liborius, Peter Kleinschmidt, Nils Weimann, Werner Prost, and Thomas Hannappel
18:00 HL 25.56 Efficient spectral separation of single and entangled photons — •Patricia Kallert, Lukas Hanschke, Eva Schöll, Björn Jonas, and Klaus D. Jöns
18:00 HL 25.57 Telecom wavelength InP based quantum dots: Growth and characterization — •Ranbir Kaur, Mohanad Alkaales, Johann Peter Reithmaier, and Mohamed Benyoucef
18:00 HL 25.58 Energy dependent tunnel coupling of QDs to a reservoir at elevated temperatures — •Ismail Bölükbasi, Ibrahim Engin, Patrick Lindner, Arn Baudzus, Andreas D. Wieck, Björn Sothmann, and Arne Ludwig
18:00 HL 25.59 Auger Recombination Rate: Magnetic Field Dependence in a Self-Assembled Quantum Dot — •Fabio Rimek, Hendrik Mannel, Marcel Zöllner, Arne Ludwig, Andreas D. Wieck, Axel Lorke, and Martin Geller
18:00 HL 25.60 Effects of bias-cooling on charge noise in gated Si/SiGe quantum dots — •Julian Ferrero, Daniel Schroller, Thomas Koch, Viktor Adam, Ran Xue, Inga Seidler, Lars Schreiber, Hendrik Bluhm, and Wolfgang Wernsdorfer
18:00 HL 25.61 Characterization of InGaAs quantum dots as active region for edge emitting laser with emission in the telecom O-band — •Philipp Noack
18:00 HL 25.62 Wavelength tuning mechanisms in GaAs based-photonic integrated circuits — •Ulrich Pfister, Florian Hornung, Stephanie Bauer, Eric Reutter, Michael Jetter, Simone L. Portalupi, Jürgen Weis, and Peter Michler
18:00 HL 25.63 High-resolution spectroscopy of single photons from a self-assembled quantum dot — •Lucas Stahl, Hendrik Mannel, Fabio Rimek, Marcel Zöllner, Andreas Wieck, Arne Ludwig, Martin Geller, and Axel Lorke
18:00 HL 25.64 Growth and characterisation of local droplet etched InAs quantum dots in an InGaAs matrix — •Nikolai Spitzer, Arne Ludwig, and Andreas Wieck
18:00 HL 25.65 Three-photon excitation of InGaN quantum dots — •Viviana Villafane, Bianca Scaparra, Manuel Rieger, Stephan Appel, Rahul Trivedi, Tongtong Zhu, John Jarman, Rachel Oliver, Robert Taylor, Jonathan Finley, and Kai Mueller
18:00 HL 25.66 Lattice thermal expansion of as-grown GaAs nanowires due to optical excitation measured by X-ray pump probe experiment — •Taseer Anjum, Francisca Largo, Waheed Salehi, Matthias Rössle, Oliver Brandt, Lutz Geelhaar, and Ullrich Pietsch
18:00 HL 25.67 Investigation of the Correlation between Quantum Dot Density and Photoluminescence Intensity — •Simon Schlombs, Nikolai Spitzer, Nikolai Bart, Andreas Wieck, and Arne Ludwig
18:00 HL 25.68 Metallic nanowires assembled by DNA Origami — •Borja Rodríguez-Barea, Shima Jazavandi-Ghamsari, Archa Jain, Türkan Bayrak, Jingjing Ye, Ralf Seide, Enrique Samano, and Artur Erbe
18:00 HL 25.69 Multi-Orbital Kondo Effect in Few-Electron Quantum Dots — •Olfa Dani, Johannes Bayer, Timo Wagner, Gertrud Zwicknagl, and Rolf J. Haug
18:00 HL 25.70 Grating Couplers on a III-V Semiconductor Platform for Single-Photon Applications — •Valentino Merkl, Stephanie Bauer, Robert Sittig, Simone Luca Portalupi, Michael Jetter, and Peter Michler
18:00 HL 25.71 Heat Radiation of Semiconductor Wafers — •Bastian Schmülling, Timo Kruck, Andreas D. Wieck, and Arne Ludwig
18:00 HL 25.72 Density Modulation of InAs/GaAs Quantum Dots and Pre Dots — •Peter Zajac, Nikolai Bart, Christian Dangel, Kai Müller, Andreas D. Wieck, Jonathan Finley, and Arne Ludwig
18:00 HL 25.73 Calibrating Photoluminescence Yield for Quantum Emitters in Planar Photonic Heterostructures — •Timo Kruck, Hans-Georg Babin, Danial Kohminaei, Sayed Sadat, Andreas D. Wieck, and Arne Ludwig
18:00 HL 25.74 Development of deterministic fabrication of quantum systems for single photon delay at Cesium wavelength — •Avijit Barua, Monica Pengerla, Lucas Bremer, Lucas Rickert, Jin-Dong Song, and Stephan Reitzenstein
18:00 HL 25.75 Purcell enhanced two indistinguishable emissions from two separated quantum dots for on-chip complex photonics quantum circuits — •Yuhui Yang, Shulun Li, Johannes Schall, Sven Rodt, Zhichuan Niu, and Stephan Reitzenstein
18:00 HL 25.76 Experimental and numerical investigation of the evanescent coupling between an integrated micropillar laser and a ridge waveguide — •Léo Roche, Imad Limame, Ching-Wen Shih, Yuhui Yang, Shulun Li, and Stephan Reitzenstein
18:00 HL 25.77 Building charge detection in indium antimonide nanowires for scanning tunneling microscopy using gate-defined quantum dots — •Kanji Furuta, Felix Jekat, Benjamin Pestka, Sasa Gazibegovic, Diana Car, Sebastian Heedt, Marcus Liebmann, Thomas Schäpers, Erik Bakkers, and Markus Morgenstern
18:00 HL 25.78 Coherent manipulation of GaAs quantum dot spin qubits using microwaves — •Ankita Choudhary, Nand lal Sharma, Moritz Langer, Ghata Satish Bhayani, Uri Vool, and Caspar Hopfmann
18:00 HL 25.79 Synthesis of ZnS nanoparticles investigated by in-situ X-ray scattering and spectroscopy — •Lars Klemeyer, Tjark Groene, Olga Vasylieva, Francesco Caddeo, Sani Harouna-Mayer, and Dorota Koziej
18:00 HL 25.80 Efficient frequency filtering of quantum dot photons using a self-constructed transmission grating monochromator — •Moritz Meinecke, Sven Höfling, and Tobias Huber
18:00 HL 25.81 Establishment of a method to make PL measurements on optically active layers in different dielectric structures comparable — •Sayed Shkeebullah Sadat, Danial Kohminaei, Timo Kruck, Hans-Georg Babin, Andreas Wieck, and Arne Ludwig
18:00 HL 25.82 Quantum efficiency boost by photoneutralization of charges in GaAs quantum dots based entangled photon emittersJingzhong Yang, •Tom Fandrich, Frederik Benthin, Robert Keil, Nand Lal Sharma, Weijie Nie, Caspar Hopfmann, Oliver G. Schmidt, Michael Zopf, and Fei Ding
18:00 HL 25.83 Frequency Shift of Electronic Resonances in Self Assembled InAs Quantum Dots — •Ibrahim Azad Engin, Ismail Bölükbasi, Arn Baudzus, Patrick Lindner, Andreas Wieck, Björn Sothmann, and Arne Ludwig
18:00 HL 25.84 Droplet epitaxy of InGaAs quantum dots for spin-photon interface devices — •Xuelin Jin, David Fricker, Nils Von den driesch, Alexander Pawlis, Renu Rani, Minh Bui, Detlev Grützmacher, and Beata Kardynal
  18:00 HL 25.85 The contribution has been withdrawn.
18:00 HL 25.86 Measurement and calculation of spectral emissivity of semiconductor quantum emitters in dielectric environments — •Danial Kohminaei, Sayed Shkeebullah Sadat, Timo Kruck, Hans-Georg Babin, Andreas D. Wieck, and Arne Ludwig
18:00 HL 25.87 Fabrication & Electrical Characterization of Silicon-Germanium Nanowire Schottky Barrier Transistors — •Muhammad Moazzam Khan, Oliver Steuer, Slawomir Prucnal, and Yordan M Georgiev
18:00 HL 25.88 realization of on-chip wavelength multiplexing with self-assembly InGaAs quantum dot in telecom C-band — •Dongze Wang, Stephanie Bauer, Michael Jetter, Simone Portalupi, and Peter Michler
18:00 HL 25.89 Magnetotransport in narrow-gap semiconductors with nanostructured constrictions — •Olivio Chiatti, Johannes Boy, Christian Riha, Christian Heyn, Wolfgang Hansen, and Saskia F. Fischer
18:00 HL 25.90 Acquisition and analysis of photocurrent spectra for 850 nm oxide-confined vertical-cavity surface-emitting lasersArndt Jaeger, Marwan Bou Sanayeh, Helmut Meinert, •Manuel Haerer, Oleg Yu. Makarov, Ilya E. Titkov, Nikolay Ledentsov Jr., and Nikolay N. Ledentsov
18:00 HL 25.91 Polariton condensation with extreme confinement of light — •Maria Vittoria Gurrieri, Philip Kristensen, Jesper Mork, and Emil Denning
18:00 HL 25.92 Time resolved spin dynamics in lead halide hybrid organic perovskite Fa0.9Cs0.1PbI2.8Br0.2 — •Erik Kirstein, Eiko Evers, Vasilli V. Belykh, Evgeny A. Zhukov, Dennis Kudlacik, Ina V. Kalitukha, Olga Nazarenko, Maxim V. Kovalenko, Dmtri R. Yakovlev, and Manfred Bayer
18:00 HL 25.93 Temperature dependence of the bandgap of 28Si and its use as time-resolved, high precision thermometerEduard Sauter, Nicolay V. Abrosimov, •Jens Hübner, and Michael Oestreich
18:00 HL 25.94 Spin noise spectroscopy of a single InGaAs quantum dot at high magnetic fields — •Kai Hühn, Pavel Sterin, Jens Hübner, and Michael Oestreich
18:00 HL 25.95 Thermal Transport in c-plane GaN Membranes Characterized by Raman Thermometry — •Wilken Seemann, Joachim Ciers, Isabell Hüllen, Mahmoud Elhajhasan, Jean-François Carlin, Nicolas Grandjean, Åsa Haglund, and Gordon Callsen
18:00 HL 25.96 A ultrafast Optical-pump/THz-probe spectrometer based on sub-diffraction field confinement — •Julia A. Lang, Michael Seidel, and Georg Herink
18:00 HL 25.97 In depth comparison of Raman and Hall measurements for the determination of the electrical transport parameters of N-doped 4H-SiC — •Hannes Hergert, Matthias T. Elm, and Peter J. Klar
18:00 HL 25.98 Electrical characterization of core/shell GaAs/InAs/Al nanowire-based Josephson junctions — •Farah Basaric, Anton Faustmann, Marvin M. Jansen, Alexander Pawlis, Erik Zimmermann, Hans Lüth, Detlev Grützmacher, and Thomas Schäpers
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