PD Dr. German Hammerl

Scientist
Experimental Physics VI
Phone: +49-821-598-3655
Fax: +49-821-598-3652
Email:
Room: 2B-243 (S)
Address: Universitätsstraße 1 (Physik Süd), 86159 Augsburg

Lectures

(applied filters: semester: next | institute: Lehrstuhl für Experimentalphysik VI | lecturers: German Hammerl | course types: Vorlesung, Seminar)
semester type
No courses available.

(applied filters: semester: current | institute: Lehrstuhl für Experimentalphysik VI | lecturers: German Hammerl | course types: Vorlesung, Seminar)
name semester type
Einführung in LaTeX winter semester 2020/21 Vorlesung
Seminar über Astrophysik für Lehramsstudierende winter semester 2020/21 Seminar
Physik III (Atom- und Molekülphysik) winter semester 2020/21 Vorlesung

Publications

German Hammerl
2019 | 2018 | 2017 | 2015 | 2011 | 2010 | 2009 | 2008 | 2007 | 2006 | 2005 | 2004 | 2003 | 2002 | 2001 | 2000

2019

Patrick Seiler, Robert Bartel, Thilo Kopp und German Hammerl
Electronic transport in thin films of BaPbO3: unraveling two-dimensional quantum effects

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2018

Markus Reiner, Thomas Gigl, Rainer Jany, German Hammerl und Christoph Hugenschmidt
Impact of oxygen diffusion on superconductivity in YBa2Cu3O7−δ thin films studied by positron annihilation spectroscopy

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2017

B. Meir, S. Gorol, Thilo Kopp und German Hammerl
Observation of two-dimensional superconductivity in bilayers of BaBiO3 and BaPbO3

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2015

Markus Reiner, Thomas Gigl, Rainer Jany, German Hammerl und Christoph Hugenschmidt
Detection and imaging of the oxygen deficiency in single crystalline YBa2Cu3O7−δ thin films using a scanning positron beam

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2011

German Hammerl und N. Spaldin
Shedding light on oxide interfaces

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2010

Rainer Jany, Martin Breitschaft, German Hammerl, A. Horsche, Christoph Richter, Stefan Paetel, Jochen Mannhart, N. Stucki, N. Reyren, S. Gariglio, P. Zubko, A. D. Caviglia und Jean-Marc Triscone
Diodes with breakdown voltages enhanced by the metal-insulator transition of LaAlO3/SrTiO3 interfaces

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Martin Breitschaft, Veronika Vera Tinkl, Natalya Pavlenko, Stefan Paetel, Christoph Richter, John R. Kirtley, Y. C. Liao, German Hammerl, Volker Eyert, Thilo Kopp und Jochen Mannhart
Two-dimensional electron liquid state at LaAlO3-SrTiO3 interfaces

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2009

German Hammerl, Stefan Thiel und Jochen Mannhart
Durchstimmbarer, zweidimensionaler Supraleiter

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2008

A. D. Caviglia, S. Gariglio, N. Reyren, D. Jaccard, T. Schneider, M. Gabay, Stefan Thiel, German Hammerl, Jochen Mannhart und Jean-Marc Triscone
Electric field control of the LaAlO3/SrTiO3 interface ground state

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Jochen Mannhart, German Hammerl und Andreas Schmehl
Elektronische Materialien für die Zukunft

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Jochen Mannhart, German Hammerl und Andreas Schmehl
Elektronische Materialien für die Zukunft

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C. Cen, Stefan Thiel, German Hammerl, Christof W. Schneider, K. E. Andersen, C. Stephen Hellberg, Jochen Mannhart und J. Levy
Nanoscale control of an interfacial metal–insulator transition at room temperature

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2007

N. Reyren, Stefan Thiel, A. D. Caviglia, Lena F. Kourkoutis, German Hammerl, Christoph Richter, Christof W. Schneider, Thilo Kopp, A.-S. Ruetschi, D. Jaccard, M. Gabay, David A. Muller, Jean-Marc Triscone und Jochen Mannhart
Superconducting Interfaces Between Insulating Oxides

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2006

C. C. Tsuei, John R. Kirtley, German Hammerl, Jochen Mannhart, H. Raffy und Z. Z. Li
Doping effect on pairing symmetry in cuprate superconductors

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Christof W. Schneider, Stefan Thiel, German Hammerl, C. Richter und Jochen Mannhart
Microlithography of electron gases formed at interfaces in oxide heterostructures

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C. Dark, M. R. Kilburn, German Hammerl, Christof W. Schneider, Jochen Mannhart und C. R. M. Grovenor
NanoSIMS analysis of Ca doping at a grain boundary in a superconducting YBCO Ca-123/123 bicrystal

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V. Scagnoli, U. Staub, A. M. Mulders, M. Janousch, G. I. Meijer, German Hammerl, J. M. Tonnerre und N. Stojic
Role of magnetic and orbital ordering at the metal-insulator transition inNdNiO3

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Stefan Thiel, German Hammerl, Andreas Schmehl, Christof W. Schneider und Jochen Mannhart
Tunable quasi-two-dimensional electron gases in oxide heterostructures

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2005

D. Seron, D. E. Oates, German Hammerl, Jochen Mannhart, P. J. Hirst, R. G. Humphreys, A. C. Anderson, M. A. Hein und J. Derov
Linear and nonlinear microwave properties of Ca-doped YBa2Cu3O7−δ thin films

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2004

D. Seron, D. E. Oates, A. C. Anderson, German Hammerl, Jochen Mannhart, P. J. Hirst, R. G. Humphreys und M. Hein
Effect of Ca-doping on the nonlinear microwave properties of YBCO thin films

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Christof W. Schneider, Stefan Hembacher, German Hammerl, Rainer Held, Andreas Schmehl, Alexander Weber, Thilo Kopp und Jochen Mannhart
Electron transport through YBa2Cu3O7−δ grain boundary interfaces between 4.2 and 300 K

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Christof W. Schneider, German Hammerl, Gennadij Yu. Logvenov, Thilo Kopp, John R. Kirtley, P. J. Hirschfeld und Jochen Mannhart
Half-h/2e critical current-oscillations in SQUIDs

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German Hammerl
Neue Verfahren zur Optimierung von Bandsupraleitern

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Augsburg, Univ., Diss., 2004

German Hammerl, Andreas Schmehl, Alexander Weber, Jochen Mannhart und Christof W. Schneider
Optimierung von Bandsupraleitern

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C. C. Tsuei, John R. Kirtley, German Hammerl, Jochen Mannhart, H. Raffy und Z. Z. Li
Robust dx2−y2 pairing symmetry in hole-doped cuprate superconductors

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2003

Alexander Weber, German Hammerl, Andreas Schmehl, Christof W. Schneider, Jochen Mannhart, Bernd Schey, Marcus Kuhn, R. Nies, B. Utz und H.-W. Neumueller
Ca-doping induced enhancement of the critical currents of coated conductors grown by ion beam assisted deposition

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M. G. Blamire, Christof W. Schneider, German Hammerl und Jochen Mannhart
Conduction and magnetoresistance in doped manganite grain boundaries

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German Hammerl, Hartmut Bielefeldt, Stephan Leitenmeier, Andreas Schmehl, A. Weber, Christof W. Schneider und Jochen Mannhart
Improving coated conductors

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Christof W. Schneider, W. K. Neils, Hartmut Bielefeldt, German Hammerl, Andreas Schmehl, H. Raffy, Z. Z. Li, S. Oh, J. N. Eckstein, D. J. Van Harlingen und Jochen Mannhart
Pairing symmetry in Bi2Sr2Ca1Cu2O8+x

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2002

Stephan Leitenmeier, Hartmut Bielefeldt, German Hammerl, Andreas Schmehl, Christof W. Schneider und Jochen Mannhart
Coated conductors containing grains with big aspect ratios

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Jochen Mannhart, Hans Hilgenkamp, German Hammerl und Christof W. Schneider
Experiments with d-wave superconductors

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N.-C. Yeh, C.-T. Chen, C.-C. Fu, P. Seneor, Z. Huang, C. U. Jung, J. Y. Kim, M.-S. Park, H.-J. Kim, S.-I. Lee, K. Yoshida, S. Tajima, German Hammerl und Jochen Mannhart
Investigating the pairing state of cuprate superconductors via quasiparticle tunneling and spin injection

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German Hammerl, Hartmut Bielefeldt, Stephan Leitenmeier, Andreas Schmehl, Christof W. Schneider, A. Weber und Jochen Mannhart
Large grain boundary area superconductors

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R. G. Mints, Ilya Papiashvili, John R. Kirtley, Hans Hilgenkamp, German Hammerl und Jochen Mannhart
Observation of splintered Josephson vortices at grain boundaries in YBa2Cu3O7−δ

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German Hammerl, Alexander Herrnberger, Andreas Schmehl, A. Weber, Klaus Wiedenmann, Christof W. Schneider und Jochen Mannhart
Possible solution of the grain-boundary problem for applications of high-tc superconductors

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W. K. Neils, D. J. Van Harlingen, S. Oh, J. N. Eckstein, German Hammerl, Jochen Mannhart, Andreas Schmehl, Christof W. Schneider und Robert R. Schulz
Probing unconventional superconducting symmetries using Josephson interferometry

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2001

German Hammerl, Hartmut Bielefeldt, Bärbel Götz, Andreas Schmehl, Christof W. Schneider, Robert R. Schulz, Hans Hilgenkamp und Jochen Mannhart
Doping-induced enhancement of grain boundary critical currents

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N.-C. Yeh, C.-T. Chen, German Hammerl, Jochen Mannhart, Andreas Schmehl, Christof W. Schneider, Robert R. Schulz, S. Tajima, K. Yoshida, D. Garrigus und M. Strasik
Evidence of doping-dependent pairing symmetry in cuprate superconductors

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Jochen Mannhart, German Hammerl, Hartmut Bielefeldt, Hans Hilgenkamp, Stephan Leitenmeier, Andreas Schmehl, Christof W. Schneider und Robert R. Schulz
Grain boundaries in high-tc superconductors: data, ideas and prospects

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Christof W. Schneider, Hartmut Bielefeldt, Bärbel Götz, German Hammerl, Andreas Schmehl, Robert R. Schulz, Hans Hilgenkamp und Jochen Mannhart
Interfaces in high-Tc superconductors: fundamental insights and possible applications

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German Hammerl, Christof W. Schneider, Robert R. Schulz, Bärbel Götz, Andreas Schmehl, Hartmut Bielefeldt, Jochen Mannhart und Hans Hilgenkamp
Optimierung von Hoch-Tc-Korngrenzen mittels Dotieren

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N.-C. Yeh, C.-T. Chen, German Hammerl, Jochen Mannhart, S. Tajima, K. Yoshida, Andreas Schmehl, Christof W. Schneider und Robert R. Schulz
Spatial homogeneity and doping dependence of quasiparticle tunneling spectra in cuprate superconductors

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Hans Hilgenkamp, Bärbel Götz, Robert R. Schulz, Christof W. Schneider, B. Chesca, German Hammerl, Andreas Schmehl, Hartmut Bielefeldt und Jochen Mannhart
Understanding and adjusting grain boundary transport properties in high-tc superconductors

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2000

German Hammerl, Andreas Schmehl, Robert R. Schulz, Bärbel Götz, Hartmut Bielefeldt, Christof W. Schneider, Hans Hilgenkamp und Jochen Mannhart
Enhanced supercurrent density in polycrystalline YBa2Cu3O7-δ at 77 K from calcium doping of grain boundaries

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