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Dresden 2011 – scientific programme

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HL: Fachverband Halbleiterphysik

HL 44: Poster Session I

Tuesday, March 15, 2011, 18:00–21:00, P3

18:00 HL 44.1 Antiferromagnetic semiconductor LiMnAsVit Novak, Tomas Jungwirth, Miroslav Cukr, •Stepan Svoboda, Zbynek Soban, Xavier Marti, Vaclav Holy, Petra Horodyska, and Petr Nemec
18:00 HL 44.2 Electric field induced transition phenomena in phase change materials — •Martin Wimmer, Gunnar Bruns, Philipp Merkelbach, Carl Schlockermann, Martin Salinga, and Matthias Wuttig
18:00 HL 44.3 Drift in amorphous phase change materials — •Rüdiger M. Schmidt, Gunnar Bruns, Jennifer Luckas, Carl Schlockermann, Martin Salinga, and Matthias Wuttig
18:00 HL 44.4 Black silicon with femtosecond double laser pulses — •Anna Lena Baumann, Thomas Gimpel, Kay-Michael Günther, Christian Lehmann, Augustinas Ruibys, Stefan Kontermann, and Wolfgang Schade
18:00 HL 44.5 Visibility of graphene on gadolinium and dysprosium oxide thin films — •I. Petrov, T. Toader, C. Bock, U. Kunze, A. Milanov, A. Devi, R. A. Fischer, L. Thekkekara, D. A. Schmidt, and M. Havenith
18:00 HL 44.6 Ab initio study of the phase-change magnetic materialYan Li and •Riccardo Mazzarello
18:00 HL 44.7 Optical Transitions in the Charged NV-Center in Diamond — •Florian Hilser and Guido Burkard
18:00 HL 44.8 Dynamische Separation von Kohlenstoffnanoröhren — •Frieder Ostermaier, Juliane Posseckardt und Michael Mertig
18:00 HL 44.9 Phonon dynamics in graphite observed with time-resolved terahertz spectroscopy — •Martin Scheuch, Konrad von Volkmann, Luca Perfetti, Tobias Kampfrath, Christian Frischkorn, and Martin Wolf
18:00 HL 44.10 Controlling exciton decay in semiconducting carbon nanotubes by surface acoustic wavesMarkus Regler, Hubert J. Krenner, Alexander A. Green, Mark C. Hersam, Achim Wixforth, and •Achim Hartschuh
18:00 HL 44.11 Magnetotransport Studies of Graphene on GaAs — •Nils Gayer, Karen Peters, Alina Tittel, Andreas Graf, Vera Paulava, Ursula Wurstbauer, and Wolfgang Hansen
18:00 HL 44.12 Micromechanical sensor for magnetization studies on few layer graphene — •Amadeus K. Mlynarski, Paul Berberich, Matthias Brasse, Karthik Sridhara, Benedikt Rupprecht, Stefanie Heydrich, Marc A. Wilde, and Dirk Grundler
18:00 HL 44.13 Spin orbit mediated entanglement in graphene — •Alexander Lopez and John Schliemann
18:00 HL 44.14 Crystallographically Anisotropic Etching of Graphene — •Florian Oberhuber, Dieter Weiss, and Jonathan Eroms
18:00 HL 44.15 Fabrication of top gates with ALD deposited Al2O3 on graphene structures — •Franz-Xaver Schrettenbrunner, Dieter Weiss, and Jonathan Eroms
18:00 HL 44.16 Paramagnetic surface-states in µc-3C-SiC as efficient acceptor in solar cells — •Andre Konopka, Siegmund Greulich-Weber, Uwe Gerstmann, Eva Rauls, and Wolf Gero Schmidt
18:00 HL 44.17 Stoichiometric defects in silicon carbide — •Guido Roma, Ting Liao, and Olga Natalia Bedoya-Martínez
18:00 HL 44.18 Spin Noise Spectroscopy and Selection Rules in Highly Purified 28Silicon — •Nils Scharnhorst, Georg Müller, Helge Riemann, Jens Hübner, and Michael Oestreich
18:00 HL 44.19 Structural and electronic properties of silicon polymorphs — •Tobias Sander, Claudia Rödl, Kaori Seino, and Friedhelm Bechstedt
18:00 HL 44.20 Investigation of the direct bandgap-emission of highly doped strained germanium layers — •Michael J. Drexler, Niko S. Köster, Kolja Kolata, Giovanni Isella, Daniel Chrastina, Hans von Känel, Hans Sigg, and Sangam Chatterjee
18:00 HL 44.21 Giant dynamical Stark shift in germanium quantum wells — •Ronja Woscholski, Niko Steffen Köster, Kolja Kolata, Christoph Lange, Giovanni Isella, Daniel Chrastina, Hans von Känel, and Sangam Chatterjee
18:00 HL 44.22 Structural modification of SHI irradiated amorphous Ge layers — •Tobias Steinbach, Claudia S. Schnohr, Leandro L. Araujo, Raquel Giulian, David J. Sprouster, Mark C. Ridgway, Daniel Severin, Markus Bender, Christina Trautmann, and Werner Wesch
18:00 HL 44.23 Electronic structure of III-V hexagonal polytypes — •Christian Panse and Friedhelm Bechstedt
18:00 HL 44.24 Electronic and Optical Properties of Group-III Nitride Alloys from ab-initio Methods — •Luiz Cláudio de Carvalho, André Schleife, Abderrezak Belabbes, Cláudia Rödl, and Friedhelm Bechstedt
18:00 HL 44.25 Band Parameters of (Al, Ga, In)N Polytypes from Different XC Functionals — •Luiz Cláudio de Carvalho, André Schleife, Frank Fuchs, and Friedhelm Bechstedt
18:00 HL 44.26 Determination of the valence band offset at selected oxide/InN interfacesGeorg Eichapfel, •Marcel Himmerlich, Anja Eisenhardt, Stefan Krischok, Andreas Knübel, Thorsten Passow, Chunyu Wang, Fouad Benkhelifa, and Rolf Aidam
18:00 HL 44.27 Epitaxial growth and characterization of InN and GaN on C-face SiC(111)/Si(111) — •Anja Eisenhardt, Marcel Himmerlich, Pierre Lorenz, Katja Tonisch, Jörg Pezoldt, and Stefan Krischok
18:00 HL 44.28 Ex-situ activation of magnesium acceptors in InGaN/LED-structures — •Gunnar Kusch, Martin Frentrup, Joachim Stellmach, Tim Kolbe, Tim Wernicke, Markus Pristovsek, and Michael Kneissl
18:00 HL 44.29 Temperaturabhängigkeit des elektrischen Feldgradienten in AlxGa1−xN — •Ronnie Simon, Sahar Hamidi, Patrick Kessler, Sérgio Miranda, Katharina Lorenz, Reiner Vianden und ISOLDE Collaboration
18:00 HL 44.30 InxGa1−xN films for use in photo-electrochemical cells — •Y.H. Wu, Philipp R. Ganz, D.Z. Hu, and Daniel M. Schaadt
18:00 HL 44.31 Effect of nitridation on the MOVPE growth of InN on c-, r- and a-plane sapphire — •Sergej Solopow, Duc Dinh, Markus Pristovsek, and Michael Kneissl
18:00 HL 44.32 Spin Noise Spectroscopy — •Fabian Berski, Jens Hübner, Fanny Greullet, Georgy Astakhov, and Michael Oestreich
18:00 HL 44.33 Experimental realisation of ultrafast spin noise spectroscopy — •Jan Gerrit Lonnemann, Georg Müller, Jens Hübner, and Michael Oestreich
18:00 HL 44.34 Photoluminescence spectra of weakly n-doped GaAs in view of spin noise spectroscopy — •Carsten Schulte, Jens Hübner, Dirk Reuter, Andreas Wieck, and Michael Oestreich
18:00 HL 44.35 Semiconductor spin noise spectroscopy in oblique magnetic fields — •Georg Müller, Fabian Berski, Jens Hübner, and Michael Oestreich
18:00 HL 44.36 Fabrication of a μ-Schottky diode using molecular beam epitaxy and ion beam lithography — •Ashish K. Rai, P. Szary, O. Petracic, H. Zabel, H.-W. Becker, A. Ludwig, D. Mantei, S. Gordon, A. Zrenner, D. Reuter, and A. D. Wieck
18:00 HL 44.37 Diffusionslängen in GaAs — •Sergej Markman, Markus K. Greff und Andreas D. Wieck
18:00 HL 44.38 Hole spin dynamics in 2D hole systems in [113]-grown GaAs/AlGaAs quantum wells at low temperatures — •Stephan Furthmeier, Michael Kugler, Tobias Korn, Michael Griesbeck, Marika Hirmer, Dieter Schuh, Werner Wegscheider, and Christian Schüller
18:00 HL 44.39 Carbon implantation in GaAs by focused ion beam and electrical activation by rapid thermal annealing — •Markus K. Greff, Arne Ludwig, Dirk Reuter, and Andreas D. Wieck
18:00 HL 44.40 Exciton-mediated lattice distortions in InAs/GaAs quantum dots — •Sebastian Tiemeyer, Michael Bombeck, Michael Paulus, Christian Sternemann, D. C. Florian Wieland, Oliver H. Seeck, Manfred Bayer, and Metin Tolan
18:00 HL 44.41 MOVPE grown InAs quantum dots: Towards long wavelength emission — •Matthias Paul, Daniel Richter, Elisabeth Koroknay, Wolfgang-Michael Schulz, Marcus Eichfelder, Robert Roßbach, Michael Jetter, and Peter Michler
18:00 HL 44.42 Einfluss von höherer Gate-Spannung und Lichteinfluss auf die Ladespektren von InAs-Quantenpunkt-Proben mit ITO-Gates — •Patrick Labud, Arne Ludwig, Dirk Reuter und Andreas Dirk Wieck
18:00 HL 44.43 In-situ TEM mechanical testing of InAs nanowires — •Marat Mukhametshin, Vadim Migunov, Zi-An Li, Marina Spasova, Andrey Lysov, Werner Prost, Ingo Regolin, Franz-Josef Tegude, and Michael Farle
18:00 HL 44.44 Homo- and heteroepitaxial GaP(100) surfaces in process gas ambientsHenning Döscher, Oliver Supplie, •Peter Kleinschmidt, Anja Dobrich, Sebastian Brückner, Christian Höhn, Antonio Müller, Claas Löbbel, and Thomas Hannappel
18:00 HL 44.45 Development of porous structures in GaSb by ion irradiation — •Tobias Steinbach, Carolin C. Jacobi, and Werner Wesch
18:00 HL 44.46 Lithography Optimization on HgTe — •Luis Maier, Mathias J. Mühlbauer, Bruno Krefft, Jiango Yang, Hartmut Buhmann, and Laurens W. Molenkamp
18:00 HL 44.47 Das Vorzeichen des elektrischen Feldgradienten in Halbleitern mit großer Bandlücke — •Patrick Kessler, Valentin Germic, Sergio M.C. Miranda, Katharina Lorenz, Reiner Vianden und ISOLDE Collaboration
18:00 HL 44.48 Effects of N and N/Li doping on ZnS epilayers grown on GaP — •Gunther Haas, Udo Römer, Stefan Lautenschläger, Sebastian Eisermann, Melanie Pinnisch, Andreas Laufer, and Bruno K. Meyer
18:00 HL 44.49 Group VII point defects in ZnSe — •Leonardo S. dos Santos, Eva Rauls, and Wolf Gero Schmidt
18:00 HL 44.50 Band Anticrossing in ZnSexTe1−x and ZnSxTe1−x AlloysTobias Bertram, •Christian Karcher, Henning Klaer, Sebastian Klembt, Carsten Kruse, Detlef Hommel, and Wolfram Heimbrodt
18:00 HL 44.51 Influence of the Mn-concentration on the magnetotransport properties of Cl-doped ZnMnSe — •Christian H. Will, Matthias T. Elm, Jörg Teubert, Peter J. Klar, and Michael Hetterich
18:00 HL 44.52 Tuning the Two-Dimenional Hole Gas Density in CdMnTe Quantum Wells by Near-surface Doping and Photoexcitation — •Franziska Fricke, Christian Kehl, Georgy Astakhov, Jean Geurts, Wolfgang Ossau, Yuri Kusrayev, Kyrill Kavokin, Tomek Wojtowicz, and Grzegorz Karczewski
18:00 HL 44.53 Isostructural and heterostructural MgZnO and CdZnO alloys — •André Schleife, Claudia Rödl, and Friedhelm Bechstedt
18:00 HL 44.54 Hydrothermal growth of ZnO nanorods for optoelectronic and photovoltaic applications — •Marco Braun, Jonas Conradt, Janos Sartor, Dirk Silber, Manuel Reinhard, Alexander Colsmann, Uli Lemmer, and Heinz Kalt
18:00 HL 44.55 Investigation of growth catalysts for ZnO nanopillar growth — •Manfred Madel, Ingo Tischer, Benjamin Neuschl, Tobias Meisch, Martin Feneberg, Uwe Röder, and Klaus Thonke
18:00 HL 44.56 vapor phase growth of ZnO single crystals — •xi zhang, frank herklotz, ellen hieckmann, jörg weber, and peer schmidt
18:00 HL 44.57 Time-resolved photoluminescence spectroscopy on ZnO based films grown by molecular beam epitaxy — •Manuel H. W. Bader, Marcel Ruth, Christina A. Fobbe, and Cedrik Meier
18:00 HL 44.58 Donor-acceptor pair recombination in ZnO — •Marko Stölzel, Alexander Müller, Stefan Müller, Gabriele Benndorf, Michael Lorenz, Holger von Wenckstern, and Marius Grundmann
18:00 HL 44.59 Thermal stability of ZnO/ZnCdO/ZnO double heterostructuresMartin Lange, •Anna Reinhardt, Christof P. Dietrich, Gabriele Benndorf, Michael Lorenz, and Marius Grundmann
18:00 HL 44.60 Defects in ZnO thin films studied by photo-capacitance measurements — •Robert Karsthof, Matthias Schmidt, Holger v. Wenckstern, Rainer Pickenhain, and Marius Grundmann
18:00 HL 44.61 Back-illuminated visible-blind and wavelength selective metal-semiconductor-metal photodetectors based on MgZnO-heterostructures — •Zhipeng Zhang, Holger von Wenckstern, Jörg Lenzner, Michael Lorenz, Holger Hochmuth, and Marius Grundmann
18:00 HL 44.62 Investigation of the band structure of ZnxMg1−xO alloys — •Christian Franz, Michael Czerner, Marcel Giar, Markus Heinemann, and Christian Heiliger
18:00 HL 44.63 Microstructuring and characterization of Cu2O/ZnO heterostructures — •Sören Zint, Julian Benz, Achim Kronenberger, Daniel Reppin, Philipp Hering, Torsten Henning, Peter J. Klar, and Bruno K. Meyer
18:00 HL 44.64 Ab initio investigations of Mg diffusion in ZnMgO — •Marcel Giar and Christian Heiliger
18:00 HL 44.65 Preparation of donor doped ZnOxS1−x thin films — •Achim Kronenberger, Philipp Schurig, Andreas Laufer, Hauke Metelmann, Jan E. Stehr, Jan Philipps, Benedikt Kramm, Angelika Polity, Detlev M. Hofmann, and Bruno K. Meyer
18:00 HL 44.66 An EPR investigation of the nitrogen center in ZnO — •Jan E. Stehr, Detlev M. Hofmann, and Bruno K. Meyer
18:00 HL 44.67 Electric properties of ZnO thin films before and after ion irradiation — •Florian Kuhl, Markus Piechotka, Martin Fischer, Torsten Henning, and Peter J. Klar
18:00 HL 44.68 Influence of nitrogen on optical properties of zinc oxide using Raman spectroscopy — •Christian Reindl, Julian Benz, Thomas Sander, Stefan Lautenschläger, Sebastian Eisermann, Peter J. Klar, and Bruno K. Meyer
18:00 HL 44.69 The Role of Power-Law Correlated Disorder in the Anderson Metal-Insulator Transition — •Alexander Croy, Philipp Cain, and Michael Schreiber
18:00 HL 44.70 Disorder Induced Metal-Insulator Transition in Crystalline Ge1Sb2Te4 — •Hanno Volker, Theo Siegrist, Peter Jost, Michael Woda, Philipp Merkelbach, Carl Schlockermann, and Matthias Wuttig
18:00 HL 44.71 Statistical analysis of contact resistance between P3HT and several electrode materials on flexible substrates — •Arne Hendel, Miriam Hehn, and Veit Wagner
18:00 HL 44.72 Contact degradation in wet-chemically produced high mobility semiconductor devices — •Mark Nikolka, Marlis Ortel, and Veit Wagner
18:00 HL 44.73 Optical spectroscopy study of c(4x2) Ge (001)-surfaces, covered with atomic Au wiresUtz Bass, Eugen Speiser, Sebastian Meyer, Jörg Schäfer, Norbert Esser, and •Jean Geurts
18:00 HL 44.74 Detailed analysis of hydrogen termination of MOVPE prepared Si(100) surfacesSebastian Brückner, Anja Dobrich, •Claas Löbbel, Peter Kleinschmidt, Henning Döscher, and Thomas Hannappel
18:00 HL 44.75 Density-Functional Investigation of Gallium Phosphide- Silicon Interface — •Gabi Steinbach, Michael Schreiber, Sibylle Gemming, Henning Döscher, and Thomas Hannappel
18:00 HL 44.76 Raman study of band-bending at ZnSe/GaAs(001) interfacesUtz Bass, Alex Frey, Suddhasatta Mahapatra, Claus Schumacher, Karl Brunner, and •Jean Geurts
18:00 HL 44.77 Electro-forming – the initial step to resistance switching in vacancy-doped metal-SrTiO3-metal structures — •Florian Hanzig, Juliane Seibt, Ralph Strohmeyer, Hartmut Stöcker, Barbara Abendroth, and Dirk C. Meyer
18:00 HL 44.78 Investigation of morphological changes of SrTiO3 surfaces induced by annealing and ion bombardment — •Ralph Strohmeyer, Juliane Seibt, Florian Hanzig, Tina Nestler, Mandy Koitzsch, Hartmut Stöcker, Barbara Abendroth, and Dirk C. Meyer
18:00 HL 44.79 Strontium titanate surface and bulk modifications due to vacuum annealing — •Juliane Seibt, Florian Hanzig, Ralph Strohmeyer, Hartmut Stöcker, Barbara Abendroth, and Dirk C. Meyer
18:00 HL 44.80 Cubic-tetragonal phase transition at elevated temperatures and resistivity hysteresis of surface vacuum annealed SrTiO3 — •Tina Nestler, Kay Potzger, Hartmut Stöcker, Barbara Abendroth, Ralf Strohmeyer, Robert Zierer, and Dirk C. Meyer
18:00 HL 44.81 Valence Change of SrTiO3 in a DC Electric Field due to Oxygen Redistribution — •Hartmut Stöcker, Tilmann Leisegang, Matthias Zschornak, Juliane Seibt, Florian Hanzig, and Dirk C. Meyer
18:00 HL 44.82 Electrical and Optical Characterisation of ta-C/Silicon MASS Diodes — •Julian Alexander Amani, Marc Brötzmann, Ulrich Vetter, and Hans Hofsäss
18:00 HL 44.83 The study of Landé g-factor and effective mass of electrons in GaAs/AlGaAs quantum wells — •feng liu, alexander schwan, gregor bartsch, dmitri yakovlev, k biermann, r hey, p.v. antos, and manfred bayer
18:00 HL 44.84 Reducing the dislocation density of GaAs on Si(001) using InAs quantum dots — •Martin Etter, Michael Wiesner, Wolfgang-Michael Schulz, Robert Roßbach, Michael Jetter, and Peter Michler
18:00 HL 44.85 Device Simulation of ZnO/Cu2O Heterojunction Solar Cells — •Philipp Hering and Bruno. K. Meyer
18:00 HL 44.86 Determination of the band offset for the heterostructure ZnO/Cu2O and ZnS/Cu2O via X-Ray Photoelectron Spektroscopy (XPS) — •Benedikt Kramm, Andreas Laufer, Achim Kronenberger, Swen Graubner, Daniel Reppin, Alba Seibert, Philipp Schurig, Angelika Polity, and Bruno K. Meyer
18:00 HL 44.87 Photoluminescence studies of top-down Zn1−xMgxO/ZnO quantum square samples with different dimensions — •Martin Fischer, Markus Piechotka, Torsten Henning, Alexej Chernikov, Bernhard Laumer, Sangam Chatterjee, Peter J. Klar, Martin Eickhoff, and Bruno K. Meyer
18:00 HL 44.88 Spectroscopic ellipsometry for process control in PLD growth — •Jan Lorbeer, Tammo Böntgen, Jan Zippel, Rüdiger Schmidt-Grund, Michael Lorenz, and Marius Grundmann
18:00 HL 44.89 Combinatorial growth of ZnO resonators — •Helena Hilmer, Tom Michalsky, Chris Sturm, Rüdiger Schmidt-Grund, Jesús Zúñiga-Pérez, Renate Fechner, Frank Frost, and Marius Grundmann
18:00 HL 44.90 Cavity-photon mode dispersion in 1D confined optically anisotropic microresonators — •Chris Sturm, Helena Hilmer, Rüdiger Schmidt-Grund, and Marius Grundmann
18:00 HL 44.91 Electrical and structural properties of the ZnO/BaTiO3 interface — •Peter Schwinkendorf, Kerstin Brachwitz, Tammo Böntgen, Jan Zippel, Holger Hochmuth, Michael Lorenz, and Marius Grundmann
18:00 HL 44.92 Growth induced structural defects in BaTiO33-ZnO-heterostructures — •Christian Kranert, Tammo Böntgen, Rüdiger Schmidt-Grund, Michael Lorenz, and Marius Grundmann
18:00 HL 44.93 Plasma-oxidation of Ge(100)-surfaces characterized by MIES, UPS and XPS — •Lienhard Wegewitz, Sebastian Dahle, Oliver Höfft, Wolfgang Viöl, Frank Endres, and Wolfgang Maus-Friedrichs
18:00 HL 44.94 Soft landing Indium ion beams produced by a variable energy focused ion beam system — •Yu-Ying Hu, Dirk Reuter, and Andreas D. Wieck
18:00 HL 44.95 Copper oxide films prepared by rf sputter deposition — •Ekachai Chongsereecharoen, Achim Kronenberger, Angelika Polity, and Bruno K. Meyer
18:00 HL 44.96 Quantification of Impurities in Cu2O — •Hauke Metelmann, Andreas Laufer, Daniel Reppin, Swen Graubner, Angelika Polity, Bruno K. Meyer, Sebastian Geburt, and Carsten Ronning
18:00 HL 44.97 Strukturelle und elektrische Eigenschaften von PLD-gezüchteten Zinkferrit-Dünnfilmen — •Katja Mexner, Matthias Brandt, Kerstin Brachwitz, Holger Hochmuth, Michael Lorenz und Marius Grundmann
18:00 HL 44.98 Electrical and structural properties of Zn-Co-O thin films — •Friedrich Schein, Holger Hochmuth, Holger von Wenckstern, Michael Lorenz, and Marius Grundmann
18:00 HL 44.99 Sputtering of ZnO by a modified Radio-Frequency Ion Thruster (RIT) as Ion-Beam-Sputter-Source — •Martin Becker, Angelika Polity, Davar Feili, and Bruno K. Meyer
18:00 HL 44.100 Electronic structure of ZrSxSe2−x by density functional theory — •Ailakbar Ghafari, Arash Bouchani, Mohamed Moustafa, Christoph Janowitz, Helmut Dwelk, and Recardo Manzke
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