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Dresden 2009 – wissenschaftliches Programm

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TT: Fachverband Tiefe Temperaturen

TT 5: Postersession Superconductivity: Materials - Fabrication and Properties

Montag, 23. März 2009, 13:00–16:45, P1A

13:00 TT 5.1 Superconductivity in Ga-doped Germanium — •R. Skrotzki, T. Herrmannsdörfer, V. Heera, O. Ignatchik, M. Uhlarz, A. Mücklich, M. Posselt, H. Reuther, B. Schmidt, K.-H. Heinig, W. Skorupa, M. Voelskow, C. Wündisch, and J. Wosnitza
13:00 TT 5.2 Superconducting properties of boron-doped diamond — •M. Uhlarz, R. Skrotzki, T. Papageorgiou, J. Wosnitza, N. Dubrovinskaia, L. Dubrovinsky, N. Miyajima, A. Bosak, M. Krisch, H.F. Braun, and R. Wirth
13:00 TT 5.3 Substitution and pressure effect on superconducting properties of Na1−xCaxAlSi — •Andreea Beleanu, Vadim Ksenofontov, Claudia Felser, and Petre Badica
13:00 TT 5.4 Superconducting Properties of Niobium Thin Films grown by Pulsed Laser DepositionChristian Pansow, •Veit Grosse, Alexander Steppke, Frank Schmidl, and Paul Seidel
13:00 TT 5.5 Tunneling into Al doped MgB2 thin films — •Rudolf Schneider, Alexander G. Zaitsev, and Jochen Geerk
13:00 TT 5.6 Carbon Doping as an Effective Way to Enhance the Superconducting Properties of Mechanically alloyed in-situ MgB2 — •Marko Herrmann, Wolfgang Häßler, Juliane Scheiter, Christian Rodig, Margitta Schubert, Ania Kario, Christine Mickel, Nadezda Kozlova, Konstantin Nenkov, Manfred Ritschel, Wolfgang Gruner, Ludwig Schultz, and Bernhard Holzapfel
13:00 TT 5.7 A mechanism of superconductivity in non-centrosymmetric system — •tetsuya takimoto and peter thalmeier
13:00 TT 5.8 Response and transport in non–centrosymmetric superconductors — •Ludwig Klam, Dietrich Einzel, and Dirk Manske
13:00 TT 5.9 Angular dependence of the upper critical field Hc2 for CeCu2Si2 — •Hugo A. Vieyra, Niels Oeschler, Jeevan S. Hirale, Christoph Geibel, and Frank Steglich
13:00 TT 5.10 Deviations from the conventional BCS behavior in the penetration depth of lutetium-nickel-borocarbide films at terahertz frequencies — •T. Fischer, A. V. Pronin, J. Wosnitza, T. Niemeier, and B. Holzapfel
13:00 TT 5.11 Quantum Oscillations in the superconducting state of LuNi2B2C — •B. Bergk, O. Ignatchik, M. Bartkowiak, T. Maniv, V. Zhuravlev, P.C. Canfield, and J. Wosnitza
13:00 TT 5.12 Multiband superconductivity in YNi2B2C single crystals studied by use of specific-heat measurements — •A. Bekkali, J. Wosnitza, M. Uhlarz, R. Beyer, M. Schneider, G. Behr, S.-L. Drechsler, and G. Fuchs
13:00 TT 5.13 Organic Superconductors Revisited: STM imaging and DFT calculations of the bc plane of κ-(BEDT-TTF)2Cu(NCS)2Johannes M. Büttner, •Carsten L. Rohr, Florian A. Palitschka, Natascha D. Kushch, Mark V. Kartsovnik, Werner Biberacher, and Bianca A. Hermann
13:00 TT 5.14 Inducing Superconductivity with Picosecond Pressure Pulses in a Quasi-2D Organic Salt — •Julia Stähler, Arzhang Ardavan, and Andrea Cavalleri
13:00 TT 5.15 Na1−xCoO2 bulk preparation by sol-gel and solid state routes — •Sandra Heinz, Ingo Fritsch, Claudia Fasel, Philipp Komissinskiy, Jose Kurian, Hanns-Ulrich Habermeier, and Lambert Alff
13:00 TT 5.16 Electron-Phonon Interaction and Phonon Renormalization in the Lamellar Cobaltate NaxCoO2 — •Johannes Knolle, Alexander Donkov, Ilya Eremin, and Maxim Korshunov
13:00 TT 5.17 Superconductivity and magnetism in electrochemically doped oxides — •Andreia Ioana Popa, Hemke Maeter, Christine Täschner, Ingo Hellmann, Rüdiger Klingeler, Bernd Büchner, and Hans-Henning Klauß
13:00 TT 5.18 Masked ion beam patterning of nano-size regions of high-Tc superconducting thin films — •Marius Bodea, Khurram Siraj, Johannes Pedarnig, Dieter Bäuerle, Wolfgang Lang, Herbert Richter, Markus Marksteiner, Christine Hasenfuss, Leopold Palmetshofer, Renata Kolarova, Peter Bauer, and Costas Grigoropoulos
13:00 TT 5.19 A new experimental setup for the preparation of oxide thin film - nanoparticle heterostructures — •Maria Sparing, Elke Backen, Ruben Hühne, Sebastian Fähler, Bernd Rellinghaus, Ludwig Schultz, and Bernhard Holzapfel
13:00 TT 5.20 An influence of gamma irradiation on oxygen mobility in YBa2Cu3O7−δ — •Anis Saad, Mikalai Kalanda, and Sergey Demyanov
13:00 TT 5.21 A check on the checkerboard-like STM patterns of the Bi-cuprates — •Lars Schumachenko, Olaf Lübben, Hendrik Glowatzki, Lenart Dudy, Alica Krapf, Christoph Janowitz, and Recardo Manzke
13:00 TT 5.22 Evidence for static, site centered stripe order by photoemission on Bi2Sr1,2La0,8CuO6 — •Valentina Scherer, Christoph Janowitz, Beate Müller, Lenart Dudy, Alica Krapf, Helmut Dwelk, Recardo Manzke, Taichi Okuda, and Akito Kakizaki
13:00 TT 5.23 Checking the band structure of Bi2Sr2CaCu2O8+δ on polarization dependencies via angle resolved photoemission spectroscopy — •Hendrik Vita, Beate Müller, Lenart Dudy, Stephan Thürmer, Christoph Janowitz, and Recardo Manzke
13:00 TT 5.24 Valence-bond stripes in cuprates: ARPES and inter-layer tunneling — •Alexander Wollny and Matthias Vojta
13:00 TT 5.25 Optical sum rule anomalies in high-temperature superconductors — •Alessandro Toschi, Giorgio Sangiovanni, Karsten Held, Massimo Capone, and Claudio Castellani
13:00 TT 5.26 Superconductivity at the interfaces of oriented graphite crystalline regions?Jose Barzola-Quiquia and •Pablo Esquinazi
13:00 TT 5.27 The Superconducting Phase Diagram of Ba1−xKxFeAs Single Crystals — •M. Bartkowiak, G.L. Sun, C.T. Lin, B. Keimer, and J. Wosnitza
13:00 TT 5.28 Crystal growth and selected properties of alkali/alkaline earth metal iron arsenides by flux growth and floating zone melting — •Andreea Claudia Budea, Igor Morozov, Norman Leps, Agnieszka Joanna Kondrat, Jorge Enrique Hamann-Borrero, Christian Hess, Rüdiger Klingeler, Günter Behr, and Bernd Büchner
13:00 TT 5.29 Crystal growth and sample-dependent physical properties of new superconducting SrFe2−xMxAs2 (M = transition metal) compounds — •Andreas Leithe-Jasper, Walter Schnelle, Helge Rosner, and Ulrich Burkhardt
13:00 TT 5.30 Thermal expansion studies on RFeAsO1−xFx (R=La, Ce, Pr, Sm, Gd) — •L. Wang, N. Leps, U. Köhler, G. Behr, R. Klingeler, C. Hess, and B. Büchner
13:00 TT 5.31 Superconductivity and magnetism in the oxypnictides: high field ESR and µSR studies of (La,Gd)FeAsO1−xFx compounds — •Ferenc Murányi, Alexey Alfonsov, Vladislav Kataev, Anke Köhler, Jochen Werner, Günter Behr, Norman Leps, Rüdiger Klingeler, Agnieszka Kondrat, Christian Hess, Bernd Büchner, Rustem Khasanov, Hubertus Luetkens, and Hans-Henning Klaus
13:00 TT 5.32 Magnetism, structure, thermodynamics and transport of RO1−xFxFeAs (R=La, Ce, Sm, Gd) superconductorsJ. E. Hamann-Borrero, A. Kondrat, N. Leps, L. Wang, A. Alfonsov, F. Hammerath, A. Narduzzo, H. Grafe, G. Lang, D. Paar, J. Werner, G. Behr, V. Kataev, •C. Hess, R. Klingeler, B. Büchner, H. Luetkens, H.-H. Klauss, S. Kimber, R. Feyerherm, D. Argyriou, M. Kosmala, O. Schumann, and M. Braden
13:00 TT 5.33 Electronic phase separation and magnetic order in the cobalt doped RFe2−xCoxAs2 (R=Sr, Eu) iron pnictide superconductorsA. Kwadrin, H. Maeter, H.-H. Klauss, H. Luetkens, R. Khasanov, A. Amato, •M. Kraken, J. Litterst, A. Jesche, A. Leite-Jasper, H. Rosner, W. Schnelle, and C. Geibel
13:00 TT 5.34 Electronic phase diagram of the LaO1−xFxFeAs superconductor: A muon spin relaxation study — •H. Luetkens, H.-H. Klauss, F.J. Litterst, T. Dellmann, R. Klingeler, C. Hess, R. Khasanov, A. Amato, C. Baines, M. Kosmala, O.J. Schumann, M. Braden, J. Hamann-Borrero, N. Leps, A. Kondrat, G. Behr, J. Werner, and B. Büchner
13:00 TT 5.35 Electronic structure studies of BaFe2As2 by angle-resolved photoemission spectroscopy — •Thirupathaiah Setti, Jörg Fink, Ruslan Ovsyannikov, Hermann Andreas Dürr, Cludia Felser, Shafagh Dastjani Farahani, Dirt Johrendt, Marianne Rotter, Yingkai Huang, Sanne de Jong, and Mark Golden
13:00 TT 5.36 NMR studies on the new iron arsenide superconductors including the superconducting state — •Hans-Joachim Grafe, Guillaume Lang, Franziska Hammerath, Dalibor Paar, Katarina Manthey, Nicholas Curro, Günther Behr, Jochen Werner, and Bernd Büchner
13:00 TT 5.37 High pressure study of CaFe2As2 and BaFe2As2 — •William Duncan, Oliver Welzel, Xian-hui Chen, Malte Grosche, and Philipp Niklowitz
13:00 TT 5.38 Raman spectroscopic studies on single crystals of the iron-based superconductor SmFeAsO1−xFx — •Ivan Jursic, Joachim Schoenes, Zbigniew Bukowski, and Janusz Karpinski
13:00 TT 5.39 Multi-orbital Dynamical Correlations in Iron Pnictides — •L. Craco
13:00 TT 5.40 Feedback spin resonance in the Fe-pnictide superconductors — •Alireza Akbari, Peter Thalmeier, Ilya Eremin, and Peter Fulde
13:00 TT 5.41 Pecularities of the superconducting gaps and the fermion-boson interaction in TmNi2B2C as seen by point-contact spectroscopy — •Oksana Kvitnitskaya, Yurii Naidyuk, Lidiya Tiutrina, Igor Yanson, Günter Fuchs, Konstantin Nenkov, Günter Behr, and Stefan-Ludwig Drechsler
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