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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)2CuO4 — Michael 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 UCoGe — N. 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 superconductors — Pavel 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 superconductors — Thomas 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 anisotropies — Niraj 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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