Mitarbeiter/Etzkorn

Dr. Markus Etzkorn

Mitarbeiter Markus Etzkorn
Bildnachweis: Prof. Uta Schlickum/Alle Rechte bei der TU Braunschweig
Wissenschaftlicher Mitarbeiter der AG "Nanoskopische Systeme".

Adresse

Institut für Angewandte Physik

Technische Universität Braunschweig
Mendelssohnstraße 2
38106 Braunschweig

Raum 255

Tel.: 0531 391 8531

E-Mail: m.etzkorn(at)tu-bs.de

Forschungsinteressen

  • Magnetismus und magnetische Ordnung auf atomarer Skale
  • Dynamik und Relaxationsprosesse
  • atomare Josephsonkontakt
  • Rastersondenmethoden und deren Weiterentwicklung

Publikationen

  • B. Jäck, J. Senkpiel, M. Etzkorn, J. Ankerhold, C.R. Ast, and K. Kern

    Quantum Brownian motion at strong dissipation probed by superconducting tunnel junctions

    Physical Review Letters 119, 147702 (2017).
     
  • Q. Dubout, F. Calleja, G. Sclauzero, M. Etzkorn, A. Lehnert, L. Claude, M. Papagno, F.D. Natterer, F. Patthey, S. Rusponi, A. Pasquarello, and H. Brune

    Giant Apparent Strain in Scanning Probe Images of Corrugated sp2-Hybridized Monolayers

    New Journal of Physics 18, 103027 (2016).
     
  • C.R. Ast, B. Jäck, J. Senkpiel, M. Eltschka, M. Etzkorn, J. Ankerhold, and K. Kern

    Sensing the Quantum Limit in Scanning Tunneling Spectroscopy

    Nature Communicatiocs 7,13009 (2016).
     
  • B. Jäck, M. Eltschka, M. Assig, M. Etzkorn, C.R. Ast, and K. Kern

    Critical Josephson current in the Dynamical Coulomb Blockade Regime

    Physical Review B 93, 020504(R) (2016).
     
  • M. Etzkorn, C.F. Hirjibehedin, A. Lehnert, S. Ouazi, S. Rusponi, S. Stepanow, P. Gambardella, C. Tieg, P. Thakur, A.I. Lichtenstein, A.B. Shick, S. Loth, A.J. Heinrich, and H. Brune

    Comparing XMCD and DFT with STM spin excitation spectroscopy for Fe and Co adatoms on Cu2N/Cu(100)

    Physical Review B 92, 184406 (2015).
     
  • M. Eltschka, B. Jäck, M. Assig, O.V. Kondrashov, M.A. Skvortsov, M. Etzkorn, C.R. Ast, and K. Kern

    Superconducting scanning tunneling microscopy tips in a magnetic field: Geometry-controlled order of the phase transition

    Applied Physics Letters 107, 122601 (2015).
     
  • S. Vijayaraghavan, W. Auwärter, D. Ecija, K. Seufert, S. Rusponi, T. Houwaart, P. Sautet, M.-L. Bocquet, P. Thakur, S. Stepanow, U. Schlickum, M. Etzkorn, H. Brune, and J.V. Barth

    Restoring the Co Magnetic Moments at Interfacial Co-Porphyrin Arrays by Site-Selective uptake of Irons

    ACS Nano 9, 3605 (2015).
     
  • Q. Dubout, F. Donati, C. Wäckerlin, F. Calleja, M. Etzkorn, A. Lehnert, L. Claude, P.Gambardella, and H. Brune

    Controlling the spin of Co atoms on Pt(111) by hydrogen adsorption

    Physical Review Letters 114, 106807 (2015).
     
  • B. Jäck, M. Eltschka, M. Assig, A. Hardock, M. Etzkorn, C.R. Ast, and K. Kern

    A nanoscale gigahertz source realized with Josephson scanning tunneling microscopy

    Applied Physics Letters 106, 013109 (2015).
     
  • M. Eltschka, B. Jäck, M. Assig, O.V. Kondrashov, M.A. Skvortsov, M. Etzkorn, C.R. Ast, and K. Kern

    Probing Absolute Spin Polarization at the Nanoscale

    Nano Letters 14, 7171 (2014).
     
  • Christoph Grosse, Alexander Kabakchiev, Theresa Lutz, Romain Froidevaux,  Frank Schramm, Mario Ruben, Markus Etzkorn, Uta Schlickum, Klaus Kuhnke, and Klaus Kern

    Dynamic Control of Plasmon Generation by an Individual Quantum System

    Nano Letters 14, 5693 (2014).
     
  • Christoph Grosse, Markus Etzkorn, Klaus Kuhnke, Sebastian Loth, and Klaus Kern

    Quantitative mapping of fast voltage pulses in tunnel junctions by plasmonic luminescence

    Applied Physics Letters 103, 183108 (2013).
     
  • A. Crepaldi, S. Pons, E. Frantzeskakis, F. Calleja, M. Etzkorn, A.P. Seitsonen, K. Kern, H. Brune, and M. Grioni

    Combined ARPES and STM study of Pb/Au(111) Moiré structure: One overlayer, two symmetries

    Physical Review B 87, 115138 (2013).
     
  • Maximilian Assig, Markus Etzkorn, Axel Enders, Wolfgang Stiepany, Christian R. Ast, and Klaus Kern

    A 10 mK scanning tunneling microscope operating in ultra high vacuum and high magnetic fields

    Review of Scientific Instruments 84, 033903 (2013).
     
  • Marco Papagno, Stefano Rusponi, Polina Makarovna Sheverdyaeva, Sergio Vlaic, Markus Etzkorn, Daniela Pacilé, Paolo Moras, Carlo Carbone, and Harald Brune

    Large Band Gap Opening between Graphene Dirac Cones Induced by Na Adsorption onto an Ir Superlattice

    ACS Nano 6, 199 (2012).
     
  • S. Rusponi, M. Papagno, P. Moras, S. Vlaic, M. Etzkorn, P. M. Sheverdyaeva, D. Pacilé, H. Brune, and C. Carbone

    Highly Anisotropic Dirac Cones in Epitaxial Graphene Modulated by an Island Superlattice

    Physical Review Letters 105, 246803 (2010).
     
  • S. Loth, M. Etzkorn, C.P. Lutz, D. M. Eigler, and A.J. Heinrich

    Measurement of Fast Electron Spin Relaxation Times with Atomic Resolution

    Science 329, 1628 (2010).
     
  • A. Lehnert , S. Dennler, P. Blonski, S. Rusponi, M. Etzkorn, G. Moulas, P. Bencok, P. Gambardella, H. Brune, and J. Hafner

    Magnetic anisotropy of Fe and Co ultrathin films deposited on Rh(111) and Pt(111) substrates: An experimental and first principles investigation

    Physical Review B 82, 094409 (2010).
     
  • P. Blonski, A. Lehnert, S. Dennler, S. Rusponi, M. Etzkorn, G. Moulas, P. Bencok, P. Gambardella, H. Brune, and J. Hafner

    Magnetocrystalline anisotropy energy of Co and Fe adatoms on the (111) surfaces of Pd and Rh

    Physical Review B 81, 104426 (2010).
     
  • A. Lehnert, S. Rusponi, M. Etzkorn, S. Ouazi, P. Thakur, and H. Brune

    Magnetic anisotropy of Fe and Co adatoms and Fe clusters magnetically decoupled from Ni3Al(111) by an alumina bilayer

    Physical Review B 81, 104430 (2010).
     
  • G. Moulas, A. Lehnert, S. Rusponi, J. Zabloudil, C. Etz, S. Ouazi, M. Etzkorn, P. Bencok, P. Gambardella, P. Weinberger, and H. Brune

    High magnetic moments and anisotropies for FexCo1-x monolayers on Pt(111)

    Physical Review B 78, 214424 (2008).
     
  • W.X. Tang, Y. Zhang, I Tudosa, J. Prokop, M. Etzkorn, and J. Kirschner

    Large wave vector apin waves and dispersion in two monolayer Fe on W(110)

    Physical Review Letters 99, 87202 (2007).
     
  • M. Etzkorn, P.S. Anil Kumar, and J. Kirschner

    High-energy surface spin-waves studied by Spin-polarized Electron Energy Loss Spectroscopy

    Book chapter in The Handbook of Magnetism and Advanced Magnetic Materials, edited by H. Kronmüller and S. Parkin, John Wiley & Sons Ldt; Chichester.
     
  • H. Ibach, M. Etzkorn, and J. Kirschner

    Electron spectrometers for inelastic scattering from surface magnons

    Surface and Interface Analysis 38, 1615 (2006).
     
  • M. Etzkorn, P.S. Anil Kumar, W. Tang, Y. Zhang, and J. Kirschner

    High wave vector spin waves in ultrathin Co-films on W(110)

    Physical Review B 72, 184420 (2005).
     
  • M. Etzkorn

    Spin waves with high energy and momentum in ultra-thin Co-films studied by spin-polarized electron energy loss spectroscopy

    Dissertation, Max-Planck Institut für Mikrostrukturphysik, Halle (2005)

    http://sundoc.bibliothek.uni-halle.de/diss-online/05/05H103/t1.pdf
     
  • R. Vollmer, M. Etzkorn, P.S. Anil Kumar, H. Ibach, and J. Kirschner

    Spin wave excitation in ultrathin Co and Fe films on Cu(001) by spin polarized electron energy loss spectroscopy

    Journal of Applied Physics 95, 7435 (2004). 
     
  • R. Vollmer, M. Etzkorn, P. S. Anil Kumar, H. Ibach, and J. Kirschner

    Spin wave excitations observed by spin-polarized electron energy loss spectroscopy: A new method for the investigation of surface- and thin film spin waves on the atomic scale

    Thin Solid Films 464-465, 42 (2004).
     
  • M. Etzkorn, P. S. Anil Kumar, R. Vollmer, H. Ibach, and J. Kirschner

    Spin waves in ultrathin Co-films measured by spin polarized electron energy loss spectroscopy

    Surface Science 566-568, 241 (2004).
     
  • R. Vollmer, M. Etzkorn, P. S. Anil Kumar, H. Ibach, and J. Kirschner

    Spin-polarized electron energy loss spectroscopy: a method to measure magnon energies

    Journal of Magnetism and Magnetic Materials 272-276, 2126 (2004).
     
  • R. Vollmer, M. Etzkorn, P. S. Anil Kumar, H. Ibach, and J. Kirschner

    Spin-polarized electron energy loss spectroscopy of high energy, large wave vector spin waves in ultrathin fcc Co films on Cu(001)

    Physical Review Letters 91, 147201 (2003).
     
  • H. Ibach, D. Bruchmann, R. Vollmer, M. Etzkorn, P. S. Anil Kumar, H. Ibach, and J. Kirschner

    A novel spectrometer for spin-polarized electron energy-loss spectroscopy

    Review of Scientific Instruments 74, 4089 (2003).
     
  • F. Radu, M. Etzkorn, R. Siebrecht, T. Schmitte, A. Schreyer, K. Westerholt, and H. Zabel

    Interfacial domain formation during magnetization reversal in exchanged-biased CoO/Co bilayers

    Physical Review B 67, 134409 (2003).
     
  • F. Radu, M. Etzkorn, T. Schmitte, R. Siebrecht, A. Schreyer, K. Westerholt, and H. Zabel

    Asymmetric magnetization reversal on exchange biased Co/CoO bilayers

    Journal of Magnetism and Magnetic Materials 240, 251 (2002).
     
  • F. Radu, M. Etzkorn, V. Leiner, T. Schmitte, A. Schreyer, K. Westerholt, and H. Zabel

    Polarized neutron reflectrometry study on Co/CoO exchange biased multilayers

    Applied Physics A 74, S1570 (2002).