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Berlin 2008 – wissenschaftliches Programm

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TT: Fachverband Tiefe Temperaturen

TT 15: Superconductivity: Poster Session

Dienstag, 26. Februar 2008, 14:00–18:00, Poster B

14:00 TT 15.1 Superconducting MgB2 films with introduced artificial pinning centers — •Anatoli Sidorenko, Vladimir Zdravkov, Andrei Surdu, Günter Obermeier, Christoph Frommen, Stefan Walheim, Thomas Koch, and Thomas Schimmel
14:00 TT 15.2 Carbon doping as an effective way of changing the superconducting properties of MgB2 — •Marko Herrmann, Wolfgang Häßler, Margitta Schubert, Wolfgang Gruner, Manfred Ritschel, Bernhard Holzapfel, and Ludwig Schultz
14:00 TT 15.3 Film growth and anisotropic behaviour of the critical field in epitaxial LuxHo1−xNi2B2C thin films — •Tim Niemeier, Ruben Hühne, Ludwig Schultz, and Bernhard Holzapfel
14:00 TT 15.4 Electrical properties of thin YBa2Cu3O7−x films with embedded gold nano clusters — •Sebastian Engmann, Uwe Schinkel, Veit Grosse, Christoph Becker, Alexander Steppke, Frank Schmidl, and Paul Seidel
14:00 TT 15.5 Preparation and Characterization of YBa2Cu3O7/ PrBa2Cu3O7 Superlattices — •Ayman El Tahan, Gerhard Jakob, and Hermann Adrian
14:00 TT 15.6 Synthesis and characterisation of superconducting and magnetic properties of RuSr2Gd1−xYxCu2O8 — •Johannes Krämer, Eugenio Casini, and Hans F. Braun
14:00 TT 15.7 Effect of variable Ru content on superconducting and magnetic properites of RuSr2GdCu2O8 — •Manuel Kempf, Eugenio Casini, and Hans F. Braun
14:00 TT 15.8 Elektromechanische und thermische Charakterisierung von Bi-2223 Hochtemperaturbandsupraleitern bei kryogenen Temperaturen — •Philipp Keller, Michael Schwarz, Klaus-Peter Weiss, Reinhard Heller und Sonja Schlachter
14:00 TT 15.9 In-plane anisotropy of the spin excitation spectrum in strongly underdoped YBa2Cu3O6+x — •Daniel Haug, Vladimir Hinkov, Benoît Fauqué, Philippe Bourges, Yvan Sidis, Alexandre Ivanov, Chengtian Lin, and Bernhard Keimer
14:00 TT 15.10 Energy gap and asymmetry of coherence peaks in 123 cuprate superconductors and their Tc dependence — •Pintu Das, Michael R. Koblischka, Thomas Wolf, and Uwe Hartmann
14:00 TT 15.11 STM based inelastic electron tunneling spectroscopy on NdBa2Cu3O7−δ — •Pintu Das, Michael R. Koblischka, Helge Rosner, Thomas Wolf, and Uwe Hartmann
14:00 TT 15.12 Magic doping fractions in Bi2201 — •Lenart Dudy, Alica Krapf, Beate Müller, Olaf Lübben, Helmut Dwelk, Christoph Janowitz, and Recardo Manzke
14:00 TT 15.13 STM investigated characteristics of Pb-Bi2201 in dependence of the lead content — •Olaf Lübben, Lenart Dudy, Alica Krapf, Helmut Dwelk, Christoph Janowitz, and Recardo Manzke
14:00 TT 15.14 Possibility of hole density modulation in highly overdoped Bi(Pb)-2201 single crystals: XAS measurements — •Ariffin Ahmad Kamal, Beate Müller, Rüdiger Mitdank, Lenart Dudy, Helmut Dwelk, Alica Krapf, Christoph Janowitz, and Recardo Manzke
14:00 TT 15.15 The nature of the sharp peak — •Beate Müller, Lenart Dudy, Helmut Dwelk, Alica Krapf, Christoph Janowitz, and Recardo Manzke
14:00 TT 15.16 Probing the superconducting state via Andreev bound states in (La,Ce)2CuO4Michael Wagenknecht, •Sebastian Scharinger, Dieter Koelle, Reinhold Kleiner, Siegfried Graser, Nils Schopohl, Boris Chesca, Aiko Tsukada, Sebastian T. B. Goennenwein, and Rudolf Gross
14:00 TT 15.17 Dynamical spin susceptibility in different phases of the electron-doped cuprate superconductors — •Jan-Peter Ismer, Ilya Eremin, Enrico Rossi, and Dirk Morr
14:00 TT 15.18 Raman spectroscopy study of the pyrochlore superconductors KOs2O6 and RbOs2O6 — •Ana Maria Racu, Joachim Schoenes, Zbigniev Bukowski, and Janusz Karpinski
14:00 TT 15.19 Superconductivity on the Border of Weak Itinerant Ferromagnetism in UCoGeN. T. Huy, A. Gasparini, D. E. de Nijs, Y. Huang, J. C. P. Klaasse, T. Gortenmulder, A. de Visser, •A. Hamann, T. Görlach, and H. v. Löhneysen
14:00 TT 15.20 Electronic and structural properties of two novel Palladium-based Heusler superconductors. — •Jürgen Winterlik, Gerhard H. Fecher, and Claudia Felser
14:00 TT 15.21 Superconductivity, magnetic order and intermediate valence in the new  platinum  germanium  skutterudites  MPt4Ge12
(M = Sr, Ba, La, Ce, Nd, Pr, Eu)
— •Roman Gumeniuk, Michael Nicklas, Helge Rosner, Walter Schnelle, Ulrich Burkhardt, Andreas Leithe-Jasper, and Yuri Grin
14:00 TT 15.22 Unusual Property of Spin Dynamical Susceptibility and its Effect on Superconductivity in Non-centrosymmetric Systems — •Tetsuya Takimoto and Peter Thalmeier
14:00 TT 15.23 Theory for cooper pairing in non-centrosymmetric superconductors — •Ludwig Klam and Dirk Manske
14:00 TT 15.24 Contribution of the surface dipole to deformation of superconductorsPavel Lipavsky, •Klaus Morawetz, Jan Kolacek, Ernst Helmut Brandt, and Michael Schreiber
14:00 TT 15.25 The nonadiabatic regime in optically excited BCS superconductors — •Thomas Papenkort, Vollrath Martin Axt, and Tilmann Kuhn
14:00 TT 15.26 Pump-probe spectra and nonlinear dynamics of BCS superconductorsThomas Papenkort, •Norina Richter, Vollrath Martin Axt, and Tilmann Kuhn
14:00 TT 15.27 Microwave conductivity of superconducting aluminum films — •Katrin Steinberg and Martin Dressel
14:00 TT 15.28 Investigation of proximity systems with very low temperature STS — •Wolz Michael, Debuschewitz Christian, Kunej Vojko, and Scheer Elke
14:00 TT 15.29 Geometrical Confinement in Superconducting/Ferromagnetic Heterostructures — •Silvia Haindl, Tanya Shapoval, Thomas Thersleff, Jens Ingolf Mönch, Ludwig Schultz, and Bernhard Holzapfel
14:00 TT 15.30 Ferromagnet/superconductor heterostructures with different magnetic anisotropiesNiraj Joshi, Ajay Singh, •Christoph Sürgers, and Hilbert v. Löhneysen
14:00 TT 15.31 Andreev reflection measurements using amorphous WC superconducting contact — •Jose Barzola-Quiquia, Michael Ziese, and Pablo Esquinazi
14:00 TT 15.32 Tunneling transport properties in (La,Sr)2CuO4 grain boundary Josephson junctions — •Andreas Stöhr, Michael Wagenknecht, Dieter Koelle, Reinhold Kleiner, Gennady Logvenov, and Ivan Bozovic
14:00 TT 15.33 Development of Josephson junctions with ferromagnetic barrier — •Dirk Sprungmann, Kurt Westerholt, and Hartmut Zabel
14:00 TT 15.34 Fraunhofer pattern of a S-F-S Josephson junction as a function of the magnetization orientation — •Franz Czeschka, Sebastian T.B. Goennenwein, Rudolf Gross, Ruurd S. Keizer, Teun M. Klapwijk, and Arunava Gupta
14:00 TT 15.35 Critical current of Nb-(Nb/Pd0.95Fe0.05)-Nb Josephson junctions — •O. Vávra, W. Meindl, and C. Strunk
14:00 TT 15.36 Multi-terminal Josephson Junctions with Ferromagnetic Elements — •Martin Leib and Wolfgang Belzig
14:00 TT 15.37 SQUID readout of the magnetic flux states of fractional Josephson vortices. — •Andreas Dewes, Dieter Kölle, Reinhold Kleiner, and Edward Goldobin
14:00 TT 15.38 Spectroscopy of the eigenfrequencies of a fractional Josephson vortex molecule — •Uta Kienzle, Tobias Gaber, Kai Buckenmaier, Konstantin Ilin, Michael Siegel, Dieter Koelle, Reinhold Kleiner, and Edward Goldobin
14:00 TT 15.39 Two dimensional planar superconducting quantum interference device gradiometer on a SrTiO3 bicrystal — •Uwe Schinkel, Christoph Becker, Veit Grosse, Alexander Steppke, Frank Schmidl, and Paul Seidel
14:00 TT 15.40 Planar flip-chip HTSC DC-SQUID gradiometers for non-destructive evaluations — •Christoph Becker, Alexander Steppke, Uwe Schinkel, Markus Buettner, Veit Grosse, Hendrik Schneidewind, Frank Schmidl, and Paul Seidel
14:00 TT 15.41 Different transport mechanisms across semiconductor junctions — •Barbara Sandow, Dirk Brossell, and Walter Schirmacher
14:00 TT 15.42 Fine structure in the tunneling characteristic of MgB2 thin films — •Rudolf Schneider, Jochen Geerk, Alexander Zaitsev, and Hilbert von Löhneysen
14:00 TT 15.43 Effect of a dc magnetic field on the microwave losses in MgB2 thin films — •Roland Hott, Alexander G. Zaitsev, Rudolf Schneider, Thorsten Schwarz, and Jochen Geerk
14:00 TT 15.44 Static and time-resolved vortex dynamics in a-Nb0.7Ge0.3 — •Florian Otto, Martin Frisch, Ante Bilušić, Dinko Babić, Christoph Sürgers, and Christoph Strunk
14:00 TT 15.45 Unexpected temperature-dependence of the critical current in NbN-microbridges — •Andreas Engel, Holger Bartolf, Luis Gomez, Andreas Schilling, Konstantin Il’in, Michael Siegel, Alexei Semenov, and Heinz-Wilhelm Hübers
14:00 TT 15.46 Flux dynamics in HT-superconductor thin films influenced by a surface acoustic wave — •Munise Rakel, Arno Wirsig, Carsten Hucho, and Joachim Albrecht
14:00 TT 15.47 Reconstruction of the electric field distributions for flux dynamics studies in superconducting thin films — •Carolina Romero-Salazar, Omar Augusto-Flores, and Christian Jooss
14:00 TT 15.48 Nernst effect of Ni-doped NdBa2Cu3O7−δ — •Niko Johannsen, Thomas Wolf, Alexander V. Sologubenko, Thomas Lorenz, Axel Freimuth, and John A. Mydosh
14:00 TT 15.49 Proximity Effect in Nb/Au and NbN/Au bi-layers for THz Antenna Structures of HEB Mixers — •Axel Stockhausen, Konstantin Il’in, Michael Siegel, Alexei Semenov, Heinz- Wilhelm Hübers, Reinhard Schneider, and Dagmar Gerthsen
14:00 TT 15.50 Kinetic Inductance Detectors Based On Quarter Wavelength Resonators — •Gerd Hammer, Stefan Wünsch, Konstantin Ilin, and Michael Siegel
14:00 TT 15.51 Response of NbN ultra-thin superconducting films to optical irradiation — •Dagmar Rall, Konstantin Ilin, Stefan Wünsch, Felix Glöckler, Uli Lemmer, and Michael Siegel
14:00 TT 15.52 Microfabrication of magnetic calorimeters — •Stefan Lausberg, Andreas Pabinger, Andreas Burck, Christian Domesle, Christan Höhn, Sebastian Kempf, Lena Maerten, Christian Pies, Jan-Patrick Porst, Sönke Schäfer, Richard Weldle, Thomas Wolf, Loredana Fleischmann, Andreas Fleischmann, and Christian Enss
14:00 TT 15.53 Development of a Fully Microfabricated Two Pixel Magnetic Calorimeter — •S. Schäfer, A. Burck, C. Domesle, C. Höhn, S. Kempf, S. Lausberg, A. Pabinger, C. Pies, J.-P. Porst, R. Weldle, A. Fleischmann, L. Fleischmann, and C. Enss
14:00 TT 15.54 Metallic magnetic calorimeters with superconducting absorbers — •Christian Höhn, Richard Weldle, Jan-Patrick Porst, Andreas Burck, Chriatian Domesle, Sebastian Kempf, Stefan Lausberg, Lena Maerten, Andreas Pabinger, Christian Pies, Sönke Schäfer, Loredana Fleischmann, Andreas Fleischmann, and Christian Enss
14:00 TT 15.55 Electrodeposition of gold absorbers for metallic magnetic calorimeters — •Christian Pies, Stefan Lausberg, Andreas Burck, Christian Domesle, Christian Höhn, Sebastian Kempf, Lena Maerten, Andreas Pabinger, Jan-Patrick Porst, Sönke Schäfer, Richard Weldle, Thomas Wolf, Andreas Fleischmann, Loredana Fleischmann, and Christian Enss
14:00 TT 15.56 Microstructured metallic magnetic calorimeter with meander shaped pickup coil — •Sebastian Kempf, Andreas Burck, Christian Domesle, Christian Höhn, Stefan Lausberg, Lena Maerten, Andreas Pabinger, Christian Pies, Jan-Patrick Porst, Sönke Schäfer, Richard Weldle, Thomas Wolf, Andreas Fleischmann, Loredana Fleischmann, and Christian Enss
14:00 TT 15.57 Silber-Erbium-Legierungen: Neues Sensormaterial für magnetische Kalorimeter — •A. Burck, S. Kempf, C. Domesle, C. Höhn, S. Lausberg, L. Maerten, A. Pabinger, C. Pies, J. Porst, S. Schäfer, R. Weldle, T. Wolf, A. Fleischmann, L. Fleischmann und C. Enss
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