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Dresden 2011 – wissenschaftliches Programm

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MA: Fachverband Magnetismus

MA 63: Poster II (Surface Magnetism/ Magnetic Imaging/ Topological Insulators/ Spin Structures and Magnetic Phase Transitions/ Graphene/ Magnetic Thin Films/ Magnetic Semiconductors/ Magnetic Half-metals and Oxides/ Spin-dependent Transport/ Spin Excitations and Spin Torque/ Spin Injection and Spin Currents in Heterostructures/ Spintronics/ Magnetic Storage and Applications)

Freitag, 18. März 2011, 11:00–14:00, P2

11:00 MA 63.1 Spin-resolved microspectroscopy of Co thin films on Cu(100) using one- and two-photon photoemission — •Martin Ellguth, Christian Tusche, Cheng-Tien Chiang, A. Akin Ünal, Aimo Winkelmann, and Jürgen Kirschner
11:00 MA 63.2 Vortex states in magnetic nanodisks in presence of a screw dislocation — •Anna B. Butenko, Ulrich K. Rößler, and Alexei N. Bogdanov
11:00 MA 63.3 Structure and magnetic properties of metal-TCNQ charge transfer networks on Ag(100) and Au(111) — •Nasiba Abdurakhmanova, TzuChun Tseng, Nan Jiang, Alexander Langner, Sebastian Stepanow, and Klaus Kern
11:00 MA 63.4 Spin-structure of the Mn double layer on W(110) — •Silke Schröder, Paolo Ferriani, and Stefan Heinze
11:00 MA 63.5 A New Highly Efficient Spin Detector for Electron Spectroscopy — •Matthias Escher, Nils B. Weber, Michael Merkel, Claus Michael Schneider, and Lukasz Plucinski
11:00 MA 63.6 Modulation of magnetic anisotropy due to the quantization of Bloch states in ferromagnetic films on vicinal surfacesUwe Bauer, •Maciej Dabrowski, Marek Przybylski, and Jürgen Kirschner
11:00 MA 63.7 Magnetic Properties of Nanowires and Nanocorrals at the Classical Level — •Nikolaos P. Konstantinidis and Samir Lounis
11:00 MA 63.8 Preparation of bulk Chromium tips for SP-STM — •André Engel, Anika Schlenhoff, Andreas Sonntag, Stefan Krause, and Roland Wiesendanger
11:00 MA 63.9 Thermal magnetization reversal of small Fe-nanoislands on W(110) — •Andreas Sonntag, Anika Schlenhoff, Gabriela Herzog, Stefan Krause, and Roland Wiesendanger
11:00 MA 63.10 The application of a monopole-like probe for local magnetization measurements by means of Magnetic Force Microscopy — •Silvia Vock, Franziska Wolny, Thomas Mühl, Rainer Kaltofen, Ludwig Schultz, Bernd Büchner, Christoph Hassel, Jürgen Lindner, and Volker Neu
11:00 MA 63.11 Threshold photoemission magnetic circular dichroism of perpendicularly magnetized Ni films on Cu(001): theory and experiment — •Matthias Kronseder, Stefan Günther, Georg Woltersdorf, and Christian H. Back
11:00 MA 63.12 X-ray holographic imaging of dot patterned perpendicular magnetic structures — •Felix Büttner, Christoforos Moutafis, Jan Rhensius, André Bisig, Bastian Pfau, Christian Günter, Carsten Tieg, Jyoti Mohanty, Stefan Schaffert, Samuel Flewett, Hermann Stoll, Laura Jane Heyderman, Mathias Kläui, and Stefan Eisebitt
11:00 MA 63.13 A Scanning X-ray Microscope for Time-resolved and Surface-sensitive Measurements — •Markus Weigand, Daniela Nolle, Bartel van Waeyenberge, Michael Bechtel, and Eberhard Goering
11:00 MA 63.14 Quantifying magnetic moments µ in magnetic force microscopy (MFM) tips — •Denny Köhler, Peter Milde, Ulrich Zerweck-Trogisch, and Lukas M. Eng
11:00 MA 63.15 Bulk vs. surface effects in ARPES experiments on the topological insulator Bi2Se3 — •Richard C. Hatch, Marco Bianchi, Dandan Guan, Shining Bao, Jianli Mi, Bo Brummerstedt Iversen, and Philip Hofmann
11:00 MA 63.16 Edge states in a spin-triplet multi-band superconductor — •Yoshiki Imai and Manfred Sigrist
11:00 MA 63.17 Magneto-acoustic study of single crystalline UCu0.95Ge — •S. Yasin, A.V. Andreev, Y. Skourski, J. Wosnitza, S. Zherlitsyn, and A.A. Zvyagin
11:00 MA 63.18 Investigation of spin- lattice interactions in Ho2Ti2O7 and Dy2Ti2O7 — •Salim Erfanifam, Sergei Zherlytsin, Joachim Wosnitza, and Oleg Petrenko
11:00 MA 63.19 Magnetic properties and configuration of Fe50Pt50*xRhx films — •Jochen Fenske, Dieter Lott, Wolfgang Schmidt, Karin Schmalzl, Gary J. Mankey, Frank Klose, Helena Tartakowskaya, and Andreas Schreyer
11:00 MA 63.20 Spin transport in graphene nanostructures — •Sebastian Schweitzer, Ajit Kumar Patra, Yenny Hernandez, Jan Rhensius, Jakoba Heidler, Matthias Eltschka, Mathias Kläui, Xinliang Feng, Laura Heyderman, and Klaus Müllen
11:00 MA 63.21 Ab initio treatment of spin relaxation in Graphene caused by adatomsMartin Gradhand, •Dmitry Fedorov, Sergey Ostanin, Igor Maznichenko, Arthur Ernst, Peter Zahn, Ingrid Mertig, and Jaroslav Fabian
11:00 MA 63.22 Role of hybridization for the emergence of a giant Rashba effect in graphene — •Dmitry Marchenko, Andrei Varykhalov, Markus R. Scholz, Oliver Rader, Gustav Bihlmayer, Artem Rybkin, Anna Popova, Alexander M. Shikin, Emmanuel I. Rashba, and Thomas Seyller
11:00 MA 63.23 X-ray absorption and magnetic circular dichroism of LaCoO3, La0.7Ce0.3CoO3, and La0.7Sr0.3CoO3 films: Evidence for Co valency-dependent magnetism — •Michael Merz, Peter Nagel, Andrea Assmann, Stephan Uebe, Markus Wissinger, Hilbert von Löhneysen, Dirk Fuchs, and Stefan Schuppler
11:00 MA 63.24 Electric, magnetic and THz optical properties of La1−xCaxMnO3 (0.45<x<0.7) and (La1−yPry)0.33Ca0.66MnO3 (0<y<1) thin films — •S. Hühn, F. Fischgrabe, V. Moshnyaga, K. Samwer, M. Dressel, L. S. Kadyrov, A.A. Voronkov, E.S. Zhukova, and B.P. Gorshunov
11:00 MA 63.25 Characterisation of magnetic thin films on MgO(100) — •Hendrik Bettermann, Wolfgang Rosellen, and Mathias Getzlaff
11:00 MA 63.26 Micromagnetic investigation of domain walls in NdCo5 thin films — •Marietta Seifert, Ludwig Schultz, and Volker Neu
11:00 MA 63.27 Ferrimagnetism and disorder in epitaxial (Mn1−xCox)2VAl thin films — •Markus Meinert, Jan-Michael Schmalhorst, Günter Reiss, and Elke Arenholz
11:00 MA 63.28 Ultrathin continuous CoPt films with perpendicular anisotropy — •Ludwig Reichel, Karin Leistner, Sebastian Fähler, and Ludwig Schultz
11:00 MA 63.29 (contribution withdrawn, see MA 46.2) Pulsed laser deposition and electrical charging of hard magnetic FePt films — •Norman Lange, Karin Leistner, Steffen Oswald, Jens Hänisch, Sebastian Fähler, and Ludwig Schultz
11:00 MA 63.30 An oxide MBE system for quasi in-situ neutron reflectometry studies — •Sabine Pütter, Alexander Weber, Alfred Richter, Ulrich Rücker, Stefan Mattauch, Aleander Ioffe, and Thomas Brückel
11:00 MA 63.31 Magnetic structure of one monolayer Fe on Ir(001)-(1$\times$1) — •yiqi zhang, zhen tian, kuntala bhattacharjee, masaki takada, dirk sander, and jürgen kirschner
11:00 MA 63.32 Magnetic properties of Mn2.6Ga thin films with perpendicular anisotropy — •Daniel Ebke, Manuel Glas, Patrick Thomas, and Günter Reiss
11:00 MA 63.33 Preparation of Mn3−xGa Heusler thin films with perpendicular magnetic anisotropy — •Manuel Glas, Daniel Ebke, Patrick Thomas, and Günter Reiss
11:00 MA 63.34 In-Situ STM, LEED and MOKE Measurements of Ultrathin Epitaxially Flat Grown Fe Films on the GaAs(110) Surface — •Tim Iffländer, Martin Wenderoth, Thomas Druga, Lars Winking, and Rainer G. Ulbrich
11:00 MA 63.35 (001)-textured growth of L10-FePt thin films on MgO and Cr seed layers — •Patrick Matthes, Christoph Brombacher, Marcus Daniel, Gunther Beddies, and Manfred Albrecht
11:00 MA 63.36 UHV-chamber for broadband magneto-optical reflection and polarisation experiments — •Marc Tesch, Markus Gilbert, Hans-Christoph Mertins, Roman Adam, Herbert Feilbach, and Claus Michael Schneider
11:00 MA 63.37 Ab initio study of MnSi thin films on the Si(111) surface — •Benjamin Geisler and Peter Kratzer
11:00 MA 63.38 Proper Scaling of the Anomalous Hall Effect in Heusler Compounds — •Inga-Mareen Imort, Patrick Thomas, Günter Reiss, Andy Thomas, Franz D. Czeschka, Matthias Althammer, Alexander T. Krupp, Rudolf Gross, and Sebastian T. B. Goennenwein
11:00 MA 63.39 vector magneto-optical generalized ellipsometry (VMOGE) — •kahming mok, nan du, and heidemarie schmidt
11:00 MA 63.40 (contribution withdrawn) Electronic and magnetic structure of (Ca,Sr)RuO3 thin films — •Andrea Assmann, Stephan Uebe, Michael Merz, Markus Wissinger, Hilbert von Löhneysen, Dirk Fuchs, Peter Nagel, and Stefan Schuppler
11:00 MA 63.41 High quality electrodeposited Fe100−xGax films for magnetostrictive applications — •Diana Iselt, Heike Schlörb, Sebastian Fähler, and Ludwig Schultz
11:00 MA 63.42 Fabrication and characterisation of ferromagnetic layers for CEO Spin LEDsWera Fehl, Carsten Godde, Sani Noor, Arne Ludwig, Henning Soldat, Andreas Wieck, •Martin Hofmann, and Ulrich Köhler
11:00 MA 63.43 Orbital Ordering at the Interfaces in Transition Metal Oxide Heterostructures — •Alexandra Steffen, Artur Glavic, Daniel Schumacher, Jörg Voigt, Alexander Weber, Emmanuel Kentzinger, Ulrich Rücker, and Thomas Brückel
11:00 MA 63.44 Semiconducting (Half-Metallic) Ferromagnetism in Mn(Fe) Substituted Pt and Pd Nitrides — •Abdeslam Houari, Samir Matar, and Volker Eyert
11:00 MA 63.45 Defect-induced ferromagnetism in crystalline SrTiO3 — •Julia Osten, Kay Potzger, Alexander. A. Levin, Artem Shalimov, Georg Talut, Helfried Reuther, Seda Arpaci, Danilo Bürger, Heidemarie Schmidt, Tina Nestler, and Dirk C. Meyer
11:00 MA 63.46 Magnetic coupling in Fe/(Ga,Mn)As based heterostructures — •M. Sperl, P. Torelli, M. Soda, F. Eigenmann, M. Utz, S. Polesya, G. Woltersdorf, G. Panaccione, D. Bougeard, and C. H. Back
11:00 MA 63.47 Transparent field effect transistors with spin-polarized electronsTim Kaspar, Danilo Bürger, Ilona Skorupa, Vicki Kühn, Artur Erbe, Manfred Helm, and •Heidemarie Schmidt
11:00 MA 63.48 Spin precession and modulation in ballistic cylindrical nanowires due to Rashba effectAndreas Bringer and •Thomas Schaepers
11:00 MA 63.49 ZnO thin films with (Li,Ni)-codopingSenthil Kumar, Matthias Althammer, Deepak Venkateshvaran, Eva Karrer-Müller, Sebastian T.B. Goennenwein, M.S. Ramachandra Rao, •Matthias Opel, and Rudolf Gross
11:00 MA 63.50 The effects of short-range order and clustering in dilute magnetic semiconductors: a non-local, multi-sublattice CPA investigation — •Alberto Marmodoro, Julie Staunton, and Arthur Ernst
11:00 MA 63.51 Optical and magnetic properties of Cr-implanted indium oxides thin films — •Scarlat Camelia, Shengqiang Zhou, Mykola Vinnichenko, Andreas Kolitsch, Manfred Helm, and Heidemarie Schmidt
11:00 MA 63.52 Ferromagnetic Heusler alloy Co2FeSi films on GaAs(110) substrates — •Thomas Hentschel, Bernd Jenichen, Achim Trampert, and Jens Herfort
11:00 MA 63.53 Inverse interface Cr magnetization at the CrO2/RuO2 interface: The origin for unexpected small GMR effects — •Khalid Zafahr, Manjit Pathak, Arunava Guptha, Patrik Audehm, and Eberhard Goering
11:00 MA 63.54 Structural and magnetic properties of Zn1−xFexO4 thin films grown by pulsed laser deposition — •Kerstin Brachwitz, Katja Mexner, Tammo Böntgen, Michael Lorenz, Jörg Lenzner, Kartik C. Ghosh, and Grundmann Marius
11:00 MA 63.55 Investigations of the ordering in Co2Mn(Si,Ge) and Co2FeSi via transport, magnetization, XRD and Mößbauer measurements — •Britta Willenberg, Dirk Schulze Grachtrup, Jochen Litterst, Stefan Süllow, Jens Röder, and Dirk Menzel
11:00 MA 63.56 The interface of the ferromagnetic metal CoS2 and the nonmagnetic semiconductor FeS2 — •Udo Schwingenschlögl and Safdar Nazir
11:00 MA 63.57 The importance of the on-site electron-electron interaction for the magnetic coupling in the zigzag spin-chain compound In2VO5 — •Udo Schwingenschlögl and Hao Wang
11:00 MA 63.58 Element specific magnetic moments and spin-resolved DOS of the half-metallic compounds CoFeMnZ (Z = Al, Ga; Si, Ge) — •Peter Klaer, Alijani Vajiheh, Benjamin Balke, Gerhard H. Fecher, Claudia Felser, and Hans-Joachim Elmers
11:00 MA 63.59 AC electric transport in CMR-manganite thin films — •Florian Fischgrabe, Sebastian Hühn, Jon-Olaf Krisponeit, Konrad Samwer, and Vasily Moshnyaga
11:00 MA 63.60 Sputtering deposition and characterization of epitaxial LSMO thin films — •Philipp M. Leufke, Ajay K. Mishra, Robert Kruk, and Horst Hahn
11:00 MA 63.61 Temperature dependent antisymmetric Planar Hall effects in Co2FeAlxSiy Heusler alloys — •Jan Heinen, Jan Rhensius, Mathias Kläui, Tanja Graf, and Claudia Felser
11:00 MA 63.62 Ab initio calculations of the magnetic properties of mixed-valence perovskite — •Igor Maznichenko, Arthur Ernst, and Ingrid Mertig
11:00 MA 63.63 Optical tuning of manganese valence and conductivity in Ce-doped lanthanum manganite films — •Andreas Thiessen, Elke Beyreuther, Stefan Grafström, Kathrin Dörr, and Lukas M. Eng
11:00 MA 63.64 (contribution withdrawn) HIGH ENERGY X-RAY DIFFRACTION MEASUREMENTS ON Gd0.5Sr0.5MnO3 — •Dinesh Kumar Shukla, Sonia Francoual, Martin von Zimmermann, Jörg Strempfer, Aditya Avinash Wagh, P S Anil Kumar, Suja Elizabeth, and H L Bhat
11:00 MA 63.65 Bulk ordering and surface segregation for defects in NiO — •Martin Hoffmann, Eero Nurmi, Kalevi Kokko, Arthur Ernst, and Wolfram Hergert
11:00 MA 63.66 Magneto-electrical properties of LaSrMnO4 epitaxial thin films — •Mehran Vafaee Khanjani, Philipp Komissinskiy, and Lambert Alff
11:00 MA 63.67 Using symmetry breaking for the directed transport of paramagnetic colloids on garnet films — •Saeedeh Aliaskarisohi, Tom.H Johansen, and Thomas.M Fischer
11:00 MA 63.68 E-beam patterning of CoFeB/MgO/CoFeB-based magnetic tunneljunctions — •Johannes Christian Leutenantsmeyer, Marvin Walter, Vladyslav Zbarsky, Henning Schuhmann, Michael Seibt, and Markus Münzenberg
11:00 MA 63.69 Influence of the buffer-layer on the tunnel barrier quality in CoFeB/MgO/CoFeB magnetic tunnel junctions on the tunnel magneto resistance (TMR). — •Vladyslav Zbarsky, Marvin Walter, Gerrit Eilers, Johannes Christian Leutenantsmeyer, Patrick Peretzki, Michael Seibt, and Markus Münzenberg
11:00 MA 63.70 Boltzmann equation for charged particles with spin — •Katarina Tauber, Martin Gradhand, Dmitry V. Fedorov, Ingrid Mertig, and Balazs Gyorffy
11:00 MA 63.71 Optical detection of spin transport in non-magnetic metalsFrederik Fohr, Steffen Kaltenborn, Jaroslav Hamrle, Helmut Schultheiss, •Alexander A. Serga, Hans Christian Schneider, Burkard Hillebrands, Yasuhiro Fukuma, Le Wang, and YoshiChika Otani
11:00 MA 63.72 Spintransport through magnetically doped Quantum Dots — •Christoph Hübner, Daniel Becker, and Daniela Pfannkuche
11:00 MA 63.73 Anisotropic magneto-resistance as a measure for the phase coexistence in Co2FeSi layers — •Pawel Bruski, Klaus-Jürgen Friedland, Rouin Farshchi, Jens Herfort, and Manfred Ramsteiner
11:00 MA 63.74 Spin filter contacts to Silicon using magnetic insulators: EuS/Si(001) — •Martina Müller, Reinert Schreiber, and Claus M Schneider
11:00 MA 63.75 Simulation of spin-polarized scanning tunneling microscopy and spectroscopy on magnetic nanostructures — •Krisztian Palotas, Werner Hofer, and Laszlo Szunyogh
11:00 MA 63.76 Effect of film roughness in Fe/MgO/Fe magnetic tunnel junctions: model calculations — •Saeideh Edalati Boostan, Hosein Moradi, and Christian Heiliger
11:00 MA 63.77 Calculations of spin dependent transport in MnAs — •Michael Czerner and Christian Heiliger
11:00 MA 63.78 Temperature and bias voltage dependence of Co/Pd multilayer-based magnetic tunnel junctions with perpendicular magnetic anisotropyZoë Kugler, •Volker Drewello, Markus Schäfers, Jan Schmalhorst, Günter Reiss, and Andy Thomas
11:00 MA 63.79 The influence of multi-layer structure of Heusler compound electrodes on transport properties and magnon excitation of magnetic tunnel junctions — •Volker Drewello, Daniel Ebke, Markus Schäfers, Günter Reiss, and Andy Thomas
11:00 MA 63.80 Controlling the resistance of a micro-/nanostructured GMR device with current induced domain wall motion — •Jana Münchenberger, Jonathan Fetting, Patryk Krzysteczko, Günter Reiss, and Andy Thomas
11:00 MA 63.81 Highly efficient spin-current assisted domain wall depinning — •Helmut Körner, Emil Tafra, Jakoba Heidler, Jan Rhensius, Laura Heyderman, and Mathias Kläui
11:00 MA 63.82 Preparation and Characterization of Magnetic Tunnel Junctions with Spin Transfer Torque — •Marcel Höwler, Kerstin Bernert, Jeffrey McCord, Kay Potzger, Monika Fritzsche, Arndt Mücklich, Jürgen Fassbender, Konstantin Kirsch, Roland Mattheis, and Stefan Slesazeck
11:00 MA 63.83 Magnetic polarizability of Rh atoms and spin-waves in FeRh. — •Leonid Sandratskii, Pawel Buczek, and Arthur Ernst
11:00 MA 63.84 Higher-order corrections to the magnon dispersion in the Heisenberg model — •Julian Hüser, Thomas Kendziorczyk, and Tilmann Kuhn
11:00 MA 63.85 Anisotropic Spin wave propagation in ferromagnetic layers with an inplane magnetic field — •Thomas Kendziorczyk, Julian Hüser, and Tilmann Kuhn
11:00 MA 63.86 Spin excitations in Dy/Y and Gd/Y superlattices — •Alexander Grünwald, Elena Tartakovskaya, Andrew Wildes, Wolfgang Schmidt, Peter Link, Astrid Schneidewind, Gregor Nowak, Katharina Theis-Bröhl, Roger Ward, and Andreas Schreyer
11:00 MA 63.87 Ab initio calculations of spin dynamics in magnetic tunnel junctions — •Michael Czerner and Christian Heiliger
11:00 MA 63.88 Optical Investigation of Spin Injection from (Ga,Mn)As into n-GaAs — •Bernhard Endres, Matthias Sperl, Martin Utz, Dieter Schuh, Andreas Einwanger, Mariusz Ciorga, Christian Back, and Günther Bayreuther
11:00 MA 63.89 Modification of the interface in Co2FeSi/(Al,Ga)As hybrid structures by insertion of ZnO barriers — •Yori Manzke, Rouin Farshchi, Abbes Tahraoui, Jens Herfort, and Manfred Ramsteiner
11:00 MA 63.90 Detection of Spin-Wave Modes in Microscopic Magnetic Ellipses by Means of Dynamic Scanning Near-field Optical Microscopy — •Johann Jersch, Vladislav E. Demidov, Harald Fuchs, and Sergej O. Demokritov
11:00 MA 63.91 Dr. — •Zhen Gang Zhu and Jamal Berakdar
11:00 MA 63.92 Interference of coherent spin waves in Ni81Fe19 microstripes — •Thomas Brächer, Philipp Pirro, Björn Obry, Helmut Schultheiss, Peter Andreas Beck, Britta Leven, and Burkard Hillebrands
11:00 MA 63.93 Finite Element Model of Non-Local Spin Valves — •Xianzhong Zhou, Daniel E. Bürgler, and Claus M. Schneider
11:00 MA 63.94 Structural and magnetic properties of tetragonal Heusler compounds Mn2−xFe1+xGa — •Teuta Gasi, Jürgen Winterlik, Benjamin Balke, Gerhard H. Fecher, and Claudia Felser
11:00 MA 63.95 Extrinsic Spin Hall Effect in Metallic Slab Systems — •Christian Herschbach, Martin Gradhand, Dmitry V. Fedorov, Peter Zahn, and Ingrid Mertig
11:00 MA 63.96 Non-Abelian Berry Curvature by the KKR method — •Martin Gradhand, Dmitry V. Fedorov, Falko Pientka, Peter Zahn, Ingrid Mertig, and Balazs L. Györffy
11:00 MA 63.97 Gigantic spin Hall effect in Au caused by interstitial impurities — •Martin Gradhand, Dmitry V. Fedorov, Christian Herschbach, Peter Zahn, and Ingrid Mertig
11:00 MA 63.98 The Heusler compound Co2FeAl0.4Si0.6 on its way to industry — •Frederick Casper, Tanja Graf, Gerhard Jakob, and Claudia Felser
11:00 MA 63.99 Magnetic tunnel junctions based on zinc ferrite and cobalt — •Michael Bonholzer, Kerstin Brachwitz, Katja Mexner, Jan Zippel, Michael Lorenz, and Marius Grundmann
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