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Dr. Aladin Ullrich


ullrich

E-mail: aladin.ullrich@physik.uni-augsburg.de
Tel.: +49 821 598 - 3215
Fax: +49 821 598 - 3411
Room: 364/R
Address: Universitätsstr. 1
86159 Augsburg


Coordinator of the research group Nanoparticles, Member of the research group Layered structures

Current fields of research

  • Nanoskalige Eisenoxide: Synthese und Charakterisierung
  • Anwendungsgebeite von magnetischen Nanopartikeln
  • Magnetische Eigenschaften von Core-Shell Partikeln

Publications

  • Thickness dependence of the triplet spin-valve effect in superconductor–ferromagnet–ferromagnet heterostructures
    Daniel Lenk, Vladimir I. Zdravkov, Jan-Michael Kehrle, Günter Obermeier, Aladin Ullrich, Roman Morari, Hans-Albrecht Krug von Nidda, Claus Müller, Mikhail Yu. Kupriyanov, Anatolie S. Sidorenko, Siegfried Horn, Rafael G. Deminov, Lenar R. Tagirov and Reinhard Tidecks
    Beilstein J. Nanotechnol. 7, 957-969 (2016)
  • Influence of the FFLO-like state on the upper critical field of a superconductor/ferromagnet bilayer: Angular and temperature dependence
    D. Lenk, M. Hemmida, R. Morari, V. I. Zdravkov, A. Ullrich, C. Müller, A. S. Sidorenko, S. Horn, L. R. Tagirov, A. Loidl, H.-A. Krug von Nidda, and R. Tidecks
    Phys. Rev. B 93, 184501 (2016)
  • Low-temperature synthesis of CuFeO2 (delafossite) at 70 °C: A new process solely by precipitation and ageing
    Melanie John, Soraya Heuss-Aßbichler, So-Hyun Park, Aladin Ullrich, Georg Benka, Nikolai Petersen, Danien Rettenwandler, Siegfried R. Horn
    Journal of Solid State Chemistry 233, 390-396 (2016)
  • Memory effect and triplet pairing generation in the superconducting exchange biased Co/CoOx/Cu41Ni59/Nb/Cu41Ni59 layered heterostructure
    V. I. Zdravkov, D. Lenk, R. Morari, A. Ullrich, G. Obermeier, C. Müller, H. A. Krug von Nidda, A. S. Sidorenko, S. Horn, R. Tidecks, L. R. Tagirov
    Applied Physics Letters 103, 062604 (2013)
  • Reentrant superconductivity and superconducting critical temperature oscillations in F/S/F trilayers of Cu41Ni59/Nb/Cu41Ni59 grown on cobalt oxide
    V. I. Zdravkov, J. Kehrle, D. Lenk, G. Obermeier, A. Ullrich, C. Müller, H. A. Krug von Nidda, R. Morari, A. S. Sidorenko, L. R. Tagirov, S. Horn, and R. Tidecks
    Journal of Applied Physics 114 (2013)
  • Critical temperature oscillations and reentrant superconductivity due to the FFLO like state in F/S/F trilayers
    J. Kehrle, V.I. Zdravkov, G. Obermeier, J. Garcia-Garcia, A. Ullrich, C. Müller, R. Morari, A.S. Sidorenko, S. Horn, L.R. Tagirov, and R. Tidecks
    Ann. Phys. 524/1, 37-47 (2012)
  • Interference Effects of the Superconducting Pairing Wave Function due to the Fulde-Ferrell-Larkin-Ovchinnikov like State in Ferromagnet/Superconductor Bilayers
    V. I. Zdravkov, J. Kehrle, G. Obermeier, A. Ullrich, S. Gsell, D. Lenk, C. Müller, R. Morari, A. S. Sidorenko, V. V. Ryazanov, L. R. Tagirov, R. Tidecks, and S. Horn
    Supercond. Sci. Technol. 24, 095004 (2011)

Conference contributions

  • Synthesis of transition metal oxide nanoparticles by thermal decomposition of metal oleate precursors
    Aladin Ullrich, Mostafizar Mohammad Rahman, Siegfried Horn
    Frühjahrstagung der Deutschen Physikalischen Gesellschaft, Dresden (3/2017)
  • Structural and Magnetic Properties of a Superconducting Spin-Triplet-MRAM Element
    Daniel Lenk, Vladimir I. Zdravkov, Roman Morari, Zakir Seidov, Yury Khaydukov, Aladin Ullrich, Günter Obermeier, Claus Müller, Anatoli S. Sidorenko, Hans-Albrecht Krug von Nidda, Siegfried Horn, Lenar R. Tagirov, Reinhard Tidecks
    Frühjahrstagung der Deutschen Physikalischen Gesellschaft, Dresden (3/2017)
  • Investigation of Superconducting Proximity and Magnetic Stray Field Effects in Superconductor/Ferromagnet Heterostructures
    Vladimir I. Zdravkov, Daniel Lenk, Roman Morari, Zakir Seidov, Yury Khaydukov, Aladin Ullrich, Günter Obermeier, Claus Müller, Anatoli S. Sidorenko, Hans-Albrecht Krug von Nidda, Siegfried Horn, Lenar R. Tagirov, Reinhard Tidecks
    Frühjahrstagung der Deutschen Physikalischen Gesellschaft, Dresden (3/2017)
  • Structural and magnetic properties of self-assembled iron oxide nanoparticle films
    Xiao Sun, Michael Smik, Emmanuel Kentzinger, Aladin Ullrich, Ulrich Rücker, Oleg Petracic, and Thomas Brückel
    Frühjahrstagung der Deutschen Physikalischen Gesellschaft, Dresden (3/2017)
  • Exchange Biasing of Diluted Ferromagnetic Alloy Films in Application to Superconducting Spin-Valves
    D. Lenk, V.I. Zdravkov, R. Morari, A.S. Sidorenko, J.-M. Kehrle, A. Ullrich, C. Müller, H.­A. Krug von Nidda, S. Horn, R.G. Deminov, L.R. Tagirov, and R. Tidecks
    EASTMAG, (Krasnoyarsk, Russland (8/2016)
  • Mechanism of delafossite (CuFeO2) formation in aqueous solution
    Melanie John, Aladin Ullrich, and Soraya Heuss-Aßbichler
    DPG-Spring Meeting 2016 of the Condensed Matter Section, Regensburg, 6-11 March 2016, Verhandl. DPG (VI) 51, 1/KR 1.1 (3/2016)
  • Low temperature synthesis of CuFeO2 (delafossite) between 50∘C and 90∘C: A new process solely by precipitation and ageing
    Melanie John, Aladin Ullrich, and Soraya Heuss-Aßbichler
    DPG-Spring Meeting 2016 of the Condensed Matter Section, Regensburg, 6-11 March 2016, Verhandl. DPG (VI) 51, 1/KR 4.1 (3/2016)
  • Superconducting Spin-Triplet-MRAM with Infinite Magnetoresistance Ratio
    Daniel Lenk, Roman Morari, Vladimir I. Zdravkov, Aladin Ullrich, Günter Obermeier, Claus Müller, Anatoli S. Sidorenko, Hans-Albrecht Krug von Nidda, Siegfried Horn, Lenar R. Tagirov, and Reinhard Tidecks
    DPG-Spring Meeting 2016 of the Condensed Matter Section, Regensburg, 6-11 March 2016, Verhandl. DPG (VI) 51, 1/TT 19.31 (2016)
  • Exchange Biasing of Diluted Ferromagnetic Alloy Films in Superconducting Spin-Valves
    A.S. Sidorenko, D. Lenk, V.I. Zdravkov, R. Morari, A. Ullrich, C. Müller, H.­A. Krug von Nidda, S. Horn, L. R. Tagirov, and R. Tidecks
    Interaction of Superconductivity and Magnetism in Nanosystems, Moscow (7/2015)
  • Upper Critical Field and Vortices in S/F Bilayers Exhibiting the Quasi-One-Dimensional FFLO-like State
    D. Lenk, M. Hemmida, J. Kehrle, V. I. Zdravkov, A. Ullrich, G. Obermeier, R. Morari, C. Müller, A. S. Sidorenko, A. Loidl, H.-A. Krug von Nidda, L. R. Tagirov, S. Horn, R. Tidecks
    Frühjahrstagung der Deutschen Physikalischen Gesellschaft, Berlin (3/2015)
  • Synthesis of transition metal oxide core-shell and composite nanoparticles and their magnetic properties
    A. Ullrich, S. Hohenberger, A. Oezden, N. Rölle, S. Horn
    NANOTECH DUBAI 2015, Dubai, UAE (3/2015)
  • Core-Shell and Composite Nanoparticles of Transition Metal Oxides: Synthesis and Magnetic Characterization
    A. Ullrich, S. Hohenberger, A. Oezden, S. Horn
    Second International Conference on Nanostructured Materials and Nanocomposites, Kottayam, India (2014)
  • Synthesis of core-shell and composite nanoparticles
    A. Ullrich, S. Hohenberger and S. Horn
    DPG-Spring Meeting 2013 of the Condensed Matter Section, Regensburg, 10-15 March 2013, Verhandl. DPG (VI) 46, 1/O 36.77 (2013)
  • Magnetization-Orientation Dependence of the Superconducting Transition in AF-F/S/F and S/F/F-AF Type Spin Valve Heterostructures
    V. Zdravkov, D. Lenk, J. Kehrle, G. Obermeier, A.Ullrich, C. Müller, R. Morari, H.-A. Krug von Nidda, A.S. Sidorenko, L.R. Tagirov, S. Horn, and R. Tidecks
    Frühjahrstagung der Deutschen Physikalischen Gesellschaft, Regensburg (3/2013)
  • Synthesis of vanadium oxide nanoparticles and characterization by TEM
    C. Kunzmann, A. Ullrich, M. Klemm, M. Krispin and S. Horn
    75th Annual Meeting of the DPG and combined DPG-Spring Meeting 2011, Dresden, 13-18 March 2011, Verhandl. DPG (VI) 46, 1/O 36.59 (2011)
  • FFLO like State in Bilayers and Trilayers of Superconductors and Ferromagnets: The Spin-Valve Core Structure
    V. Zdravkov, J. Kehrle, G. Obermeier, A. Ullrich, C. Müller, R. Morari, A. Sidorenko, L. Tagirov, R. Tidecks, and S. Horn
    75th Annual Meeting of the DPG and combined DPG-Spring Meeting 2011, Dresden, 13-18 March 2011, Verhandl. DPG (VI) 46, 1/TT 10.54 (2011)
  • Crystal structure of iron oxide nano particles synthesized form ferritin
    Michael Krispin, Aladin Ullrich, and Siegfried Horn
    Frühjahrstagung der Deutschen Physikalischen Gesellschaft, Regensburg (3/2009)
  • Crystal structure of transition metal oxide nano particles synthesized from ferritin
    M. Krispin, F. Sedlmeier, A. Ullrich and S. Horn
    72th Annual Meeting 2008 and DPG-Spring Meeting of the Condensed Matter Section, Berlin, 25-29 February 2008, Verhandl. DPG (VI) 43, 1/O 55.12 (2008)
  • Electronic structure of iron oxide nanoparticles
    Aladin Ullrich, Daniel Gyasi-Antwi, Marcus Preisinger, Michael Krispin, and Siegfried Horn
    71th Annual Meeting 2007 and DPG-Spring Meeting of the Condensed Matter Section, Regensburg, 26-30 March 2007, Verhandl. DPG (V) 42, 1/O 44.34 (2007)

Other publications

  • Präparation von Eisenoxid-, Manganoxid- und Kompositnanopartikeln und deren mikroskopische Charakterisierung
    Aladin Ullrich
    Dissertation

Curriculum vitae

  • 2001: Erwerb der allgemeinen Hochschulreife (Bodenseegymnasium Lindau)
  • 2002-2008: Studium der Physik an der Universität Augsburg
  • 2008: Diplom, Universität Augsburg
  • 2008-2013 Promotion, Universität Augsburg
  • Seit 2013 wissenschaftlicher Mitarbeiter am Lehrstuhl für Experimentalphysik II, Universität Augsburg