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Regensburg 2007 – scientific programme

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MA: Fachverband Magnetismus

MA 15: Poster:ThinFilms(1-33),Transp.(34-49),ExchBias(50-56),
Spindynamics(57-70),Micro-nanostr.Mat.(71-82),
Particles/Clust.(83-88), Mag.Imag./Surface(89-96),
Spinelectronics(97-109), Theory/Micromag.(110-116),
Spinstruct/Phasetr.(117-128),Magn.Mat.(129-139),
Aniso.+Measuring(140-145), MolMag.(146-152),
MSMA(153-156)

Tuesday, March 27, 2007, 15:00–19:00, Poster A

15:00 MA 15.1 Dynamic strain in epitaxial ferroic oxide films — •Orkidia Bilani, Martina Dekker, Christian Thiele, Kathrin Dörr, Konstantin Nenkov, and Ludwig Schultz
15:00 MA 15.2 Growth and properties of epitaxial Sr2CrReO6 thin films — •F. Czeschka, S. Geprägs, S.T.B. Goennenwein, M. Opel, and R. Gross
15:00 MA 15.3 Multiferroic Materials Based on Artificial Thin Film Heterostructures — •S. Geprägs, M. Opel, S.T.B. Goennenwein, and R. Gross
15:00 MA 15.4 Scanning tunneling spectroscopy on La0.75Ca0.25MnO3 thin films in external magnetic fields — •Sigrun A. Köster, Thomas Mildner, Vasily Moshnyaga, Bernd Damaschke, and Konrad Samwer
15:00 MA 15.5 Synthesis, Structure, and Magnetism of the Electron-Doped Cobaltates La1−xCexCoO3 — •Christian Pinta, Dirk Fuchs, Peter Adelmann, Thorsten Schwarz, Peter Schweiss, Stefan Mangold, and Stefan Schuppler
15:00 MA 15.6 Growth of La1−xCaxMnO3 and BaTiO3 thin films and multilayers using PLD with in-situ RHEED — •Heiko Fasold, Alexander Hirsch, Ralf Koppert, Frank Ludwig, and Meinhard Schilling
15:00 MA 15.7 Physical properties and microstructure of La0,67Ce0,33MnO3 thin films — •Christian Stingl, Vasily Moshnyaga, Yuansu Luo, Bernd Damaschke, and Konrad Samwer
15:00 MA 15.8 Magnetism and Magnetic Microstructure in Heusler Alloy Based Thin Film Systems — •Alexander Kaiser, Diana Rata, Stefan Cramm, and Claus M. Schneider
15:00 MA 15.9 Growth and characterization of Ni2MnIn Heusler films — •Jan Michael Scholtyssek, Lars Bocklage, Rainer Anton, Ulrich Merkt, and Guido Meier
15:00 MA 15.10 Towards a full Heusler alloy showing room temperature half-metallicity at the surface — •Mirko Cinchetti, Jan-Peter Wüstenberg, Andrés Conca, Martin Jourdan, and Martin Aeschlimann
15:00 MA 15.11 Magneto-optical Kerr Effect Spectroscopy of Magnetic Nanoclusters in Organic Thin Films — •Wen Li, Roxana Pacurariu, Dietrich Zahn, and Georgeta Salvan
15:00 MA 15.12 Magnetoelectric effects in Manganite-Titanate Composite Films — •Kai Gehrke, Vasily Moshnyaga, and Konrad Samwer
15:00 MA 15.13 X-ray magnetic circulardichroism in cobalt-doped ZnO — •Karl-Wilhelm Nielsen, Sebastian Bauer, Konrad Senn, Sebastian T. B. Goennenwein, Matthias Opel, Júlio Cezar, Dieter Schmeisser, and Rudolf Gross
15:00 MA 15.14 No Co ferromagnetism in Co doped ZnO — •Thomas Tietze, Sebastian Brück, Eberhard Goering, Gisela Schütz, Milan Gacic, Gerhard Jakob, Christian Herbort, and Hermann Adrian
15:00 MA 15.15 Defect-induced Ferromagnetism in Co-doped ZnO Thin Films — •Gillian Mayer, Erwin Biegger, Mikhail Fonin, Nils Janßen, Markus Beyer, Rudolf Bratschitsch, Yury Dedkov, and Ulrich Rüdiger
15:00 MA 15.16 Thermal spin-wave excitations in GaMnAsMatthias Sperl, •Ursula Wurstbauer, Werner Wegscheider, Christian Back, and Günther Bayreuther
15:00 MA 15.17 Magnetotransport and magnetic anisotropy in (Ga,Mn)As thin films — •Matthias Althammer, Andreas Brandlmaier, Sebastian W. Schink, Matthias Opel, Rudolf Gross, and Sebastian T. B. Goennenwein
15:00 MA 15.18 Imaging magnetic structures in Ga1−xMnxAs films by low temperature laser scanning microscopy — •Stefan Guenon, Michael Wagenknecht, Sebastian Goennenwein, Rudolf Gross, Dieter Koelle, and Reinhold Kleiner
15:00 MA 15.19 Magneto-optical Kerr effect of EuO Thin Films — •S. Altendorf, R. Sutarto, T. Haupricht, and L. H. Tjeng
15:00 MA 15.20 Preparation, Capping and Characterization of Gd doped EuO Thin Films — •T. Haupricht, R. Sutarto, H. Ott, N. Hollmann, H. Hartmann, T. Lorenz, Z. Hu, C. F. Chang, H. H. Hsieh, H. J. Lin, C. T. Chen, P. Nagel, S. Schuppler, and L. H. Tjeng
15:00 MA 15.21 Spinresolved Photoemission Spectroscopy of Amorphous CoFeB — •Martin Sperlich, Coen Smits, Reza Gadhimi, Frank Matthes, Theodoros Dimopoulos, Joachim Wecker, Claus M. Schneider, and Gernot Güntherodt
15:00 MA 15.22 Magnetic anisotropy in Fe1−xCox films on Pd(001), Pd/Cu(001) and Pd/GaAs(001) — •Xiuli Fu, Feng Luo, Jochen Barthel, Marek Przybylski, and Jurgen Kirschner
15:00 MA 15.23 Magnetic anisotropy in ultrathin Pd,Au/Fe bilayers on GaAs(001)Oleksander Mosendz, Jan Zukrowski, Bartek Kardasz, Bret Heinrich, •Marek Przybylski, and Jurgen Kirschner
15:00 MA 15.24 X-ray magnetic linear dichroism in reflection and absorption spectra measured in the vicinity of the L2,3 edges of ultrathin cobalt films on W(110) — •Nagamony Ponpandian, Armin Kleibert, Stefan Gutzeit, Stefan Polei, and Karl-Heinz Meiwes-Broer
15:00 MA 15.25 Thin magnetic Co-based films with perpendicular anisotropy — •Jens Brandenburg, Volker Neu, Ruben Hühne, and Ludwig Schultz
15:00 MA 15.26 10keV He ion bombardment of Ni80Fe20/Au/Co/Au multilayers with alternating in-plane and out-of-plane magnetization — •Tanja Weis, Dieter Engel, Arno Ehresmann, Maria Tekielak, Andrzej Maziewski, Bogdan Szymanski, Janusz Dubowik, and Feliks Stobiecki
15:00 MA 15.27 Analysis of the structure and stoichiometry in iron/native iron oxide multilayers — •Thomas Diederich, Sebastien Couet, and Ralf Röhlsberger
15:00 MA 15.28 Ultrathin magnetic films on rhodium substrates — •Ali Al-Zubi, Gustav Bihlmayer, and Stefan Blügel
15:00 MA 15.29 Micromagnetic analysis of magnetization reversal in nanolayers with competing anisotropies and applications to layers of dilute magnetic semiconductor materialsAndrei A. Leonov, Igor E. Dragunov, Ulrich K. Rößler, and •Alexei N. Bogdanov
15:00 MA 15.30 Theory of stripe domains in ferromagnetic multilayers with perpendicular anisotropyIgor E. Dragunov, Nicolai S. Kiselev, Ulrich K. Rößler, and •Alexei N. Bogdanov
15:00 MA 15.31 Green Function theory vs. Quantum Monte Carlo Calculation for thin magnetic films — •Sören Henning, Fritz Körmann, Stefan Schwieger, Jochen Kienert, and Wolfgang Nolting
15:00 MA 15.32 Tunable strain in MgO single crystals — •Mathias Weiler, Andreas Brandlmaier, Stephan Geprägs, Matthias Opel, Sebastian T. B. Goennenwein, and Rudolf Gross
15:00 MA 15.33 Electric-Field Induced Modification of Magnetism in Thin Film FerromagnetsMartin Weisheit, •Sebastian Fähler, Alain Marty, Yves Souche, Christiane Poinsignon, and Dominique Givord
15:00 MA 15.34 Magnetoresistive effects in ultrathin permalloy films — •Stephen Krzyk, Mathias Kläui, and Ulrich Rüdiger
15:00 MA 15.35 Current-induced magnetic vortex dynamics: micromagnetic simulations and time-resolved x-ray microscopy — •A. Drews, M. Bolte, B. Krüger, G. Meier, U. Merkt, B. Van Waeyenberge, A. Puzic, K. W. Chou, and H. Stoll
15:00 MA 15.36 Impedance of ferromagnetic microrings up to 120 MHz — •Thomas Kamionka, Toru Matsuyama, Ulrich Merkt, and Guido Meier
15:00 MA 15.37 Magnetoresistive effects in single LSMO:MgO grain-boundaries — •Markus Esseling, Vasily Moshnyaga, and Konrad Samwer
15:00 MA 15.38 Temperature dependence of current induced domain wall motion in NiFe — •Markus Laufenberg, Wolfgang Bührer, Pascal Dagras, Pierre-Eric Melchy, Mathias Kläui, Lutz Heyne, Dirk Backes, Daniel Bedau, and Ulrich Rüdiger
15:00 MA 15.39 AlZr tunnel barriers in magnetic tunnel junctions — •Andrea Niemeyer, Andy Thomas, Hubert Brückl, and Günter Reiss
15:00 MA 15.40 Spin transfer torque in granular films AgCo and spin-valve structure Co/Cu/CoNiFeSiB — •Yuansu Luo, Markus Esseling, Markus Münzenberg, and Konrad Samwer
15:00 MA 15.41 Analysis of the oscillatory tunnel magnetoresistance caused by antiferromagnetic Mn Layers — •Peter Bose, Jürgen Henk, and Ingrid Mertig
15:00 MA 15.42 Structural properties and transport behaviour of polycrystalline Co2Cr0.6Fe0.4Al films as electrode materials in MTJs — •Rainer Kaltofen, Hartmut Vinzelberg, Dieter Elefant, Ingolf Mönch, Joachim Schumann, and Rainer Grötzschel
15:00 MA 15.43 Concept of a Metal Single-Electron Transistor as Spin-Valve Structure — •Markus Kasper, Saskia Fischer, and Ulrich Kunze
15:00 MA 15.44 Magnetotransport Properties of Cobalt-doped ZnO — •Konrad Senn, Karl-Wilhelm Nielsen, Sebastian T. B. Goennenwein, Matthias Opel, and Rudolf Gross
15:00 MA 15.45 Transport properties of magnetic Co doped ZnO thin films — •Milan Gacic, Gerhard Jakob, and Hermann Adrian
15:00 MA 15.46 Structural and electrical characterization of magnetic tunnel junctions with ultrathin MgO-barriers — •Gerrit Eilers, Tore Niermann, Michael Seibt, and Markus Münzenberg
15:00 MA 15.47 Low-temperature tunneling magneto-resistance on LSMO-based junctions with organic barrier — •Hartmut Vinzelberg, Dieter Elefant, Joachim Schumann, Kathrin Dörr, Ramesh Gangineni, and Bernd Büchner
15:00 MA 15.48 Investigation of Spin Polarization by Point Contact Spectroscopy — •Christoph Jurecka, Martin Jourdan, and Hermann Adrian
15:00 MA 15.49 Comparison between MgO and AlOx barriers in Co2Cr0.6Fe0.4Al-Tunnel Junctions — •Christian Herbort, Andres Conca, Martin Jourdan, and Hermann Adrian
15:00 MA 15.50 A study on the influence of nano-oxide layer on magnetotransport properties of NiMn based giant magnetoresistive spin valve sensorsAnoop Gupta, •Senthilnathan Mohanan, Ulrich Herr, Zaoli Zhang, and Ute Kaiser
15:00 MA 15.51 Influence of ion bombardment induced patterning of exchange bias in pinned artificial ferrimagnets on the interlayer exchange couplingVolker Höink, •Jan Schmalhorst, Günter Reiss, Tanja Weis, Dieter Engel, and Arno Ehresmann
15:00 MA 15.52 Blocking temperature distribution of magnetically diluted exchange biased systems — •Marian Fecioru-Morariu, Mohammad Reza Ghadimi, Bernd Beschoten, and Gernot Güntherodt
15:00 MA 15.53 Antiferromagnetic thickness dependence of exchange bias — •Shrawan Mishra, Florin Radu, Bernd Heitkamp, Jaime Sanchez-Barriga, Hermann Dürr, and Wolfgang Eberhardt
15:00 MA 15.54 Magnetization reversal processes in patterned exchange biased NiO/Ni and Fe/CoO layers — •Pablo Aßhoff, Florin Radu, Katharina Theis-Bröhl, and Hartmut Zabel
15:00 MA 15.55 Resonant magnetic x-ray reflectivity on Co/Cu/Co — •Valeriano Ferreras Paz, Sebastian Brück, Eberhard Goering, and Gisela Schütz
15:00 MA 15.56 Exchange bias in Fe/Cr bilayers — •Syed Rizwan Ali, Marian Fecioru-Morariu, Bilal Janjua, Coen Smits, and Gernot Güntherodt
15:00 MA 15.57 Current-driven domain walls in nanowires — •Benjamin Krüger, Daniela Pfannkuche, Markus Bolte, Guido Meier, and Ulrich Merkt
15:00 MA 15.58 Domain wall motion in perpendicularly magnetized (Co/Pt)n-multilayer-wires — •Christoph Hassel, Jan Rhensius, Theo Kleinefeld, Jürgen Lindner, and Günter Dumpich
15:00 MA 15.59 Stray Fields and Anisotropic Magnetoresistance of Domain Walls in Permalloy Nanowires — •Peter Lendecke, Hannah Ziehlke, René Eiselt, Ulrich Merkt, and Guido Meier
15:00 MA 15.60 Single shot measurement of current- and field-induced domain wall motion in a Permalloy nanowire — •Philipp Möhrke, Thomas Moore, Mathias Kläui, Dirk Backes, Laura Heyderman, and Ulrich Rüdiger
15:00 MA 15.61 Spin waves in semi-circular Permalloy ring segments in the presence of domain walls — •Christian Sandweg, Helmut Schultheiss, Sebastian Hermsdörfer, Peter Andreas Beck, Britta Leven, and Burkard Hillebrands
15:00 MA 15.62 Nonlinear spin dynamics and microwave assisted switching in nanostructured rings — •Jan Podbielski, Kristina Reckwell, and Dirk Grundler
15:00 MA 15.63 Spin-wave quantization in nanoscaled magnetic rings — •Sebastian Schäfer, Helmut Schultheiß, Patrizio Candeloro, Hans T. Nembach, Peter Andreas Beck, Britta Leven, Andrei N. Slavin, and Burkard Hillebrands
15:00 MA 15.64 Wellenlänge von Konzertina-Mustern in Permalloy-Schichten — •Holm Wieczoreck, Rudolf Schäfer, Jeffrey McCord, Ludwig Schultz, Jutta Steiner, Ruben Cantero-Alvarez, Antonio Capella und Felix Otto
15:00 MA 15.65 Magnetization dynamics of iron thin film triggered by photoconductive switches — •Zhao Wang, Anne Parge, Malte Scherff, Markus Münzenberg, and Mihail Ion Lepsa
15:00 MA 15.66 Charge and magnetization dynamics in correlated solids observed with THz time-domain spectroscopy — •Tobias Kampfrath, Jan Nötzold, Luca Perfetti, Christian Frischkorn, and Martin Wolf
15:00 MA 15.67 Magnetization dynamics in interlayer exchange coupled NiFe/Ru/NiFe thin films at high excitation amplitudes — •Tobias Martin, Mohamed Belmeguenai, Markus Maier, Georg Woltersdorf, and Günther Bayreuther
15:00 MA 15.68 Electronic control of magnetization in magnetic diluted quantum dotsTobias Voigt, •Peter Moraczewski, and Daniela Pfannkuche
15:00 MA 15.69 Kerr microscopical investigations of domain wall dynamics in ultrathin trilayers of Pt/Co/Pt — •Jan Rhensius, Theo Kleinefeld, Wolfgang Kleemann, Jacques Ferré, Jean-Pierre Jamet, and Harry Bernas
15:00 MA 15.70 Ultrafast Demagnetization Probed by Femtosecond X-Ray Pulses — •Marko Wietstruk, Torsten Kachel, Niko Pontios, Christian Stamm, Hermann A. Dürr, and Wolfgang Eberhardt
15:00 MA 15.71 Spin structure investigations of domain walls in nanoscale constrictions — •Dirk Backes, Laura Heyderman, Christian David, Mathias Kläui, Friederike Junginger, Henri Ehrke, Ulrich Rüdiger, Caros Vaz, Tony Bland, Cheng-Shi Chen, Takeshi Kasama, and Rafal Dunin-Borkowski
15:00 MA 15.72 Room temperature magnetic order in proton irradiated graphite: latest results — •Kristian Schindler, Jose Barzola-Quiquia, Martin Rothermel, Annette Setzer, Pablo Esquinazi, and Tilman Butz
15:00 MA 15.73 Geometrically Confined Domain Walls — •Daniel Bedau, Mathias Kläui, Ulrich Rüdiger, Dirk Backes, and Laura Heyderman
15:00 MA 15.74 Preparation and characterization of periodic two-dimensional two-phase magnets — •Sven Schnittger, Sebastian Dreyer, Christian Jooss, and Sibylle Sievers
15:00 MA 15.75 Magnetization processes in highly coercive, epitaxial SmCo5 elements — •Volker Neu, Ulrike Wolff, Aarti Singh, Felix Fleischhauer, Sebastian Fähler, and Ludwig Schultz
15:00 MA 15.76 Patterned Fe/Cr/Co spin valve structures — •Frank Brüssing, Gregor Nowak, Hartmut Zabel, and Katharina Theis-Bröhl
15:00 MA 15.77 Nanoscale surface ripples on ferromagnetic films with correlated magneticKun Zhang, Frank Rotter, Michael Uhrmacher, Carsten Ronning, Hans Christian Hofsäss, Johann Krauser, and •Klaus Jesiek
15:00 MA 15.78 Structural and magnetic characterization of FePt films deposited onto SiO2 spherical particle arrays — •Christoph Brombacher, Denys Makarov, Mireille Maret, Fabiola Liscio, Guenter Schatz, and Manfred Albrecht
15:00 MA 15.79 Structural, magnetic and magneto-optical properties of novel nanocrystalline face centered cubic Co1-xCrx/Pt multilayers with perpendicular anisotropy — •Evangelos Papaioannou, Christoph Rüdt, Paul Fumagalli, Panagiotis Poulopoulos, Makis Angelakeris, and Nikolaos Flevaris
15:00 MA 15.80 Thermal Switching Behavior of Superparamagnetic Nanoislands: SP-STM on Fe/W(110) — •Gabriela Herzog, Stefan Krause, Luis Berbil-Bautista, Elena Vedmedenko, Matthias Bode, and Roland Wiesendanger
15:00 MA 15.81 Manipulating the dipolar magnetic interactions in FePt square arrays: The role of edge roughness — •Jonas Norpoth, Sebastian Dreyer, Christian Jooss, and Sibylle Sievers
15:00 MA 15.82 Magnetic multilayer films on template-assisted particle arrays — •Judith Moser, Vojko Kunej, Denis Makarov, Günther Schatz, Elke Scheer, and Manfred Albrecht
15:00 MA 15.83 Magnetism in confined geometry: Magnetic critical scattering of MnO nanoparticles — •Mikhail Feygenson, Werner Schweika, Serguei Vakhrushev, Alexander Ioffe, and Thomas Brückel
15:00 MA 15.84 Structural properties of magnetic Fe50Co50 alloy Clusters — •Furkan Bulut, R. Kerstin Gebhardt, Daniela Sudfeld, Joachim Bansmann, Armin Kleibert, and Mathias Getzlaff
15:00 MA 15.85 Synthesis of magnetic nanoparticles with pronounced shape anisotropy and characterisation via small angle x-ray scattering — •Frank Döbrich, Andreas Michels, and Rainer Birringer
15:00 MA 15.86 Magnetzation of NixPt1−x-Nanoparticles — •Ole Albrecht, Detlef Görlitz, Kirsten Ahrenstorf, and Horst Weller
15:00 MA 15.87 Synthesis of homo- and heterometallic two-layer nanoparticles as labels for magnetic biochips — •Nadezhda Kataeva, Sergey Pavlovich Gubin, Joerg Schotter, and Hubert Brückl
15:00 MA 15.88 Temperaturabhängige Magnetrelaxometrie an magnetischen Nanopartikeln im Temperaturbereich von 4 K bis 325 K — •Markus Büttner, Frank Schmidl, Thomas Müller, Stefan Prass, Michael Mans, Christoph Becker, Dimitri Berkov und Paul Seidel
15:00 MA 15.89 Quantitative Magnetic Imaging using Combined Magnetooptics and Magnetic Force Microscopy — •Sibylle Sievers, Sebastian Dreyer, Joachim Lüdke, Martin Albrecht, Uwe Siegner, and Christian Jooss
15:00 MA 15.90 Magnetic domain structures in [Co/Pt]/Ru multilayers studied by MFM in magnetic field — •Cristina Bran, Ulrike Wolff, Ludwig Schultz, and Volker Neu
15:00 MA 15.91 Spin-polarized scanning tunneling microscopy applied to nanoscale Fe islands — •Dinesh Subramaniam, Marco Pratzer, and Markus Morgenstern
15:00 MA 15.92 Spin-resolved PEEM study of a single crystal Heusler alloy — •Ruslan Ovsyannikov, Florian Kronast, Andrei Gloskovskii, Gerhard H. Fecher, Claudia Felser, Hermann A. Dürr, and Wolfgang Eberhardt
15:00 MA 15.93 Heterogeneous mixed valence of a Sm/Gd(0001) monolayer revealed by scanning tunneling spectroscopy — •Daniel Wegner and Günter Kaindl
15:00 MA 15.94 Circular magnetic dichroism in x-ray absorption of Co2Cr0.6Fe0.4Al and Co2FeSi(110) alloy films — •Michael Kallmayer, Horst Schneider, Andres Conca, Gerhard Jakob, Martin Jourdan, Hans-Joachim Elmers, Benjamin Balke, Andrei Gloskovskii, and Stefan Cramm
15:00 MA 15.95 Structural, electronic and magnetic properties of ultrathin epitaxial AuFe/Mo(110) films — •Andrei Kukunin, Jacek Prokop, and Hans Joachim Elmers
15:00 MA 15.96 Thickness dependent spin wave properties in ultrathin Fe films — •Yu Zhang, Wen Xin Tang, Ioan Tudosa, Jacek Prokop, and Jürgen Kirschner
15:00 MA 15.97 Transport properties of magnetic tunnel junctions with Co2MnSi electrode: influence of temperature-dependent interface magnetization and electronic band structure — •Jan Schmalhorst, Andy Thomas, Oliver Schebaum, Daniel Ebke, Marc Sacher, Andreas Hütten, Andrej Turchanin, Armin Gölzhäuser, Elke Arenholz, and Günter Reiss
15:00 MA 15.98 Chemical and magnetic interface properties of tunnel junctions with Co2MnSi / Co2FeSi multilayer electrode — •Daniel Ebke, Jan Schmalhorst, Marc Sacher, Ning-Ning Liu, Andy Thomas, Andreas Hütten, Elke Arenholz, and Günter Reiss
15:00 MA 15.99 Absence of ferromagnetism in V-implanted ZnO single crystals — •Shengqiang Zhou, Kay Potzger, Helfried Reuther, Karsten Kuepper, Wolfgang Skorupa, Manfred Helm, and Juergen Fassbender
15:00 MA 15.100 Magnetic and structural properties of Co-implanted ZnO films — •Numan Akdogan, Alexei Nefedov, Werner Becker, Rustam Khaibullin, Lenar Tagirov, and Hartmut Zabel
15:00 MA 15.101 Growth and properties of Fe3O4(111) thin films on ZnO* — •Andrea Boger, Jürgen Simon, Andreas Brandlmaier, Matthias Opel, Sebastian T. B. Goennenwein, Werner Mader, and Rudolf Gross
15:00 MA 15.102 Magnetic and electronic properties of half-metallic ferromagnetic Mn-stabilised zirconia — •Igor Maznichenko, Arthur Ernst, Lars Bergqvist, Sergey Ostanin, Leonid Sandratskii, Patrick Bruno, Markus Däne, Ian Hughes, Julie Staunton, Wolfram Hergert, Ingrid Mertig, and Josef Kudrnovsky
15:00 MA 15.103 Exchange constants in Mn doped Ge and GaAs: a first principles study of the environment effects — •Marjana Ležaić, Silvia Picozzi, Phivos Mavropoulos, Yuriy Mokrousov, and Stefan Blügel
15:00 MA 15.104 Spin-Pump-Effekt in Co/Cu/Py Pillars untersucht mit ferromagnetischer Resonanz — •Oliver Posth, Jürgen Lindner und Günter Dumpich
15:00 MA 15.105 Bulk sensitive HX-PES study of chemically etched Ga1−xMnxAs — •Andreas Müller, Benjamin Schmid, Michael Sing, Jan Wenisch, Karl Brunner, Laurens Molenkamp, Wolfgang Drube, and Ralph Claessen
15:00 MA 15.106 Transport properties of ion-implanted ferromagnetic SnO2:Co from van-der-Pauw measurements — •Ali Awada, Dirk Menzel, Joachim Schoenes, Frank Ludwig, and Meinhard Schilling
15:00 MA 15.107 Chemical and magnetic interface properties of Co-Fe-B / MgO / Co-Fe-B tunnel junctions — •Jan Schmalhorst, Xinli Kou, Andy Thomas, Elke Arenholz, and Günter Reiss
15:00 MA 15.108 High TMR ratio in Fe/MgO/Fe junctions with even one atomic Fe layerChristian Heiliger, Martin Gradhand, •Peter Zahn, and Ingrid Mertig
15:00 MA 15.109 Magnetic tunnel transistor with epitaxial FeCo/Au/FeCo base — •Alexander Spitzer, Julien Vigroux, and Günther Bayreuther
15:00 MA 15.110 Ferromagnetic multiband Kondo lattice model — •Anand Sharma and Wolfgang Nolting
15:00 MA 15.111 Disordered Correlated Kondo-lattice model — •Vadym Bryksa and Wolfgang Nolting
15:00 MA 15.112 Magnetocrystalline anisotropy of 5d-transition-metal chains — •Alexander Thieß, Yuriy Mokrousov, and Stefan Heinze
15:00 MA 15.113 Spin-wave excitations from time-dependent density-functional theoryManfred Niesert, •Arno Schindlmayr, Christoph Friedrich, and Stefan Blügel
15:00 MA 15.114 Numerical investigation of geometrically confined domain walls and spin torque using the Heisenberg model — •C. Schieback, U. Nowak, M. Kläui, D. Backes, L. J. Heydermann, F. Junginger, R. E. Dunin-Borkowski, U. Rüdiger, and P. Nielaba
15:00 MA 15.115 Evolution of magnetization from the vortex state in soft magnetic square plateletsManfred Wolf, •Ulrich K. Rößler, and Rudolf Schäfer
15:00 MA 15.116 Current-induced magnetic vortex core reversal in a permalloy nanodisk — •Yaowen Liu, R. Hertel, and Claus M. Schneider
15:00 MA 15.117 Noncollinear magnetic order in transition-metal nanowires — •Michael Czerner, Bogdan Yu. Yavorsky, Laszlo Szunyogh, and Ingrid Mertig
15:00 MA 15.118 Thermal Expansion and Thermal Transport in NdMnO3 and TbMnO3 — •Kai Berggold, Thomas Lorenz, Jörg Baier, John Mydosh, Dennis Meier, Joachim Hemberger, and Dimitri Argyriou
15:00 MA 15.119 Magnetic field dependent structure of TbFe3(BO3)4 resolved by x-ray diffraction — •Martin Philipp, Olga Kataeva, Christian Hess, Rüdiger Klingeler, Natalia Tristan, Bernd Büchner, Martin von Zimmermann, Alexander Vasiliev, and Elena Popova
15:00 MA 15.120 Spin-flop transition in uniaxial antiferromagnets — •Alexei N. Bogdanov, Alexander V. Zhuravlev, and Ulrich K. Rößler
15:00 MA 15.121 Crystal structure and magnetic fluctuations in La1−xA xCoO3 (A = Ca, Sr, Ba) — •Thomas Finger, Marco Reuther, Daniel Senff, Matthias Cwik, Thomas Lorenz, Klaudia Hradil, Anatoliy Senychyn, and Markus Braden
15:00 MA 15.122 Static Characterization of the Antiferromagnetic-To-Ferromagnetic Phase Transition of FeRh Thin Films — •Paul Ramm, Ilie Radu, Alexander Weber, Christian Back, Christian Stamm, Torsten Kachel, Niko Pontius, Hermann Dürr, Jörg Raabe, Christoph Quitmann, Luiic Joly, and Jan-Ulrich Thiele
15:00 MA 15.123 Structural properties of PrB6 — •Matthias Bleckmann, Desmond McMorrow, Helen Walker, Danny Mannix, Je-Geun Park, Seongsu Lee, and Keith McEwen
15:00 MA 15.124 Frustrated Ising- and Heisenberg-type Spin Systems on a Hexagonal LatticeCarsten Olbrich, •Tim Kunze, Sibylle Gemming, Klaus Morawetz, and Michael Schreiber
15:00 MA 15.125 Magnetic phases in Y_xCa_1-xMnO_3 — •Uwe Amann, Clemens Ritter, Dietmar Hohlwein, Andreas Pfrommer, and Jörg Ihringer
15:00 MA 15.126 Ab Initio Calculations of Exchange Interactions in Transition Metal Oxides — •Guntram Fischer, Arthur Ernst, Markus Däne, Wolfram Hergert, Martin Lüders, Zdzislawa Szotek, and Walter Temmerman
15:00 MA 15.127 Colossal magnetostriction and spin-driven phonon splitting in bond-frustrated Cr-spinels — •Joachim Hemberger, Torsten Rudolf, Christian Kant, Hans-Albrecht Krug von Nidda, Andrei Pimenov, Vladimir Tsurkan, and Alois Loidl
15:00 MA 15.128 The multiferroic phases of (Eu:Y)MnO3 — •Florian Schrettle, Joachim Hemberger, Andrei Pimenov, Peter Lunkenheimer, Vseva Ivanov, Alexander Mukhin, Anatoli Balbashov, and Alois Loidl
15:00 MA 15.129 Electronic and magnetic structure of cuprous oxide (Cu2O) doped with Mn, Fe, Co, and Ni: A DFT studyMartin Sieberer, Josef Redinger, and •Peter Mohn
15:00 MA 15.130 Electronic structure and magnetic properties of the ThxY1−xCo4B intermetallic compounds — •Diana Benea, Viorel Pop, and Olivier Isnard
15:00 MA 15.131 Investigation of high-k materials RScO3 (R=Sm,Gd,Dy) by XPS and band structure calculations — •M. Raekers, S. Bartkowski, K. Kuepper, S. Zhou, K. Potzger, A. Postnikov, R. Uecker, and M. Neumann
15:00 MA 15.132 Heat conduction in spin-gap antiferromagnetsIgor Smiljanić, •Ante Bilušić, Ana Smontara, Helmuth Berger, and László Forró
15:00 MA 15.133 Calculation of interface properties for Heusler compounds — •Andrey Beznogov and Peter Entel
15:00 MA 15.134 Thermodynamic properties of intermetallic ternary rare-earth compounds — •J. Rohrkamp, O. Heyer, H. Hartmann, T. Lorenz, J. Mydosh, R. Pöttgen, and T. Fickenscher
15:00 MA 15.135 Crystal structure and physical properties of Eu4Pd29B8 and YbNi7B3 boridesIgor Veremchuk, •Roman Gumeniuk, Andreas Leithe-Jasper, Walter Schnelle, Yuri Prots, and Yuri Grin
15:00 MA 15.136 Investigation of the valence states of Fe1−xCuxCr2S4 by X-ray absorption spectroscopy — •C. Taubitz, M. Raekers, V. Tsurkan, and M. Neumann
15:00 MA 15.137 Dielectric and thermodynamic properties of — •Norman Leps, Janet Leschner, Andrei Sotnikov, Dmitri Souptel, Sang-Wook Cheong, Rüdiger Klingeler, Christian Hess, Natalia Tristan, and Bernd Büchner
15:00 MA 15.138 Magnetic properties of the tetragonal Mn3−xGa (0≤x≤1) system — •Jürgen Winterlik, Benjamin Balke, Gerhard H. Fecher, and Claudia Felser
15:00 MA 15.139 Single crystal growth and physical properties of ErPd2Si2 intermetallic compound — •Chongde Cao, Günter Behr, Wolfgang Löser, Irina Mazilu, E.V. Sampathkumaran, and Bernd Büchner
15:00 MA 15.140 Temperature driven spin reorientation transition in thin films — •Fritz Körmann, Stefan Schwieger, Jochen Kienert, and Wolfgang Nolting
15:00 MA 15.141 Magnetic anisotropy of Fe1−xCox(110) on GaAs(110) — •Björn Muermann, Matthias Sperl, Alexander Spitzer, and Günther Bayreuther
15:00 MA 15.142 Magnetfeldsteuerbarer magnetischer Widerstand — •Robert Jäger und Marc Jäger
15:00 MA 15.143 Using a highly sensitive TMR sensor array for the detection of moving biomolecules — •Camelia Albon, Sascha Walkenhorst, Simone Herth, Michael Schilling, and Günter Reiss
15:00 MA 15.144 Das Swiss-cross-Helmholtz-Design für großvolumige Permanent-Magnet-Anordnungen: vielfältige Zugangsmöglichkeiten und gute Homogenität — •Holger Stork, Manuel Ross, Achim Gädke und Nikolaus Nestle
15:00 MA 15.145 Detection of superparamagnetic nanoparticles with AlOx magnetic tunnel junctions and development of hysteresis free MgO via shape anisotropy — •Sascha Walkenhorst, Michael Schilling, Simone Herth, Andreas Hütten, and Günter Reiss
15:00 MA 15.146 Spin-wave theory for magnetic molecules — •Roman Schnalle and Jürgen Schnack
15:00 MA 15.147 Magnetic properties of homo- [Ni(II)4] and heterotetranuclear [Fe(III)2Cu(II)2] high-spin molecular complexes — •Christian Golze, Rüdiger Klingeler, Bernd Büchner, Vladislav Kataev, Michel Goiran, Jean M. Broto, Harison Rakoto, Berthold Kersting, and Phalguni Chaudhuri
15:00 MA 15.148 Inelastic neutron scattering studies of two Mn(III)-based Single Molecule Magnets — •Oliver Pieper, Joris van Slageren, Tatiana Guidi, Bella Lake, Hannu Mutka, Margarita Russina, Alexander Schnegg, Alexandra Buchsteiner, Constantinos J. Milios, Euan K. Brechin, and Anna Julia
15:00 MA 15.149 Magnetism of the single molecule magnet system [(MnIIL2)3MnII](BF4)2 — •Manuel Prinz, Sebastian Voget, Niklas Damnik, Michael Raekers, Karsten Kuepper, Phalguni Chaudhuri, Simon George, Marin Coldea, and Manfred Neumann
15:00 MA 15.150 Molecular magnetism of metallo-supramolecular hierarchically ordered materials consisting of mixtures from different transition metal ions — •M. Lommel, U. Pietsch, G. Schwarz, D. G. Kurth, Y. Bodenthin, W. Haase, and Z. Tomkowicz
15:00 MA 15.151 Magnetic and electronic properties of the transition metal containing polyoxotungstate — •Niklas Damnik, Manuel Prinz, Albert Takács, Jürgen Schnack, Ulrich Kortz, Istvan Balasz, Emil Burzo, and Manfred Neumann
15:00 MA 15.152 EPR and magnetic susceptibility investigations on Cu(II)-bis(oxamato) complexes — •Björn Bräuer, Tobias Rüffer, Dietrich Zahn, Georgeta Salvan, Dante Gatteschi, Andrea Caneschi, Maria Fittipaldi, and Federico Totti
15:00 MA 15.153 Characterization of Magnetic Structure in NiMnGa Alloys by Means of Lorentz Electron Microscopy and Electron Holography — •Karin Vogel, Dorin Geiger, Hannes Lichte, Werner Skrotzki, Robert Chulist, Uwe Gaitzsch, Martin Pötschke, Stefan Roth, and Andrea Böhm
15:00 MA 15.154 Phenomenological models for magnetic shape memory materials — •Ulrich K. Rößler, Nicloai S. Kiselev, Igor E. Dragunov, and Alexei N. Bogdanov
15:00 MA 15.155 MBE-thin film growth of NiMn-based magnetic shape memory alloys — •Ralf Hassdorf, Jürgen Feydt, and Michael Moske
15:00 MA 15.156 Towards phase-field modelling of magnetically induced microstructure evolution Towards phase-field modelling of *magnetically induced microstructure evolution — •Britta Nestler
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DPG-Physik > DPG-Verhandlungen > 2007 > Regensburg