Dr. Ivo Zizak

Dr. Ivo ZizakSenior Scientist (physicist)
Institute Nanometre Optics and Technology

Tel (030) 8062 - 12127 mail zizak@helmholtz-berlin.de

Publications

2009


Kramm, U.I. ; Herrmann, I. ; Fiechter, S. ; Zehl, G. ; Zizak, I. ; Abs-Wurmbach, I. ; Radnik, J. ; Dorbandt, I. ; Bogdanoff, P.: On the Influence of Sulphur on the Pyrolysis Process of FeTMPP-Cl-based Electro-Catalysts with Respect to Oxygen Reduction Reaction (ORR) in Acidic Media. ECS Transactions 25 (2009), p. 659-670


Radu, F. ; Mishra, S. K. ; Zizak, I. ; Erko, A.I. ; Dürr, H.A. ; Eberhardt, W. ; Nowak, G. ; Buschhorn, S. ; Zabel, H. ; Zhernenkov, K. ; Wolff, M. ; Schmitz, D. ; Schierle, E. ; Dudzik, E. ; Feyerherm, R.: Origin of the reduced exchange bias in epitaxial FeNi(111)/CoO(111) bilayer. Physical Review B 79 (2009), p. 184425/1-8


Schumacher, G. ; Darowski, N. ; Zizak, I. ; Klingelhöffer, H. ; Neumann, W.: Two-stage relaxation of damage structure in strongly creep-deformed single crystal superalloy SC16 measured by means of X-ray diffraction. Scripta Materialia 60 (2009), p. 88-91


Zizak, I. ; Darowski, N. ; Klaumünzer, S. ; Schumacher, G. ; Gerlach, J.W. ; Assmann, W.: Grain rotation in nanocrystalline layers under influence of swift heavy ions. Nuclear Instruments and Methods in Physics Research B 267 (2009), p. 944-948

2008


Balogh, Z. ; Cserháti, C. ; Erdélyi, Z. ; Csik, A. ; Langer, G.A. ; Zizak, I. ; Darowski, N. ; Dudzik, E. ; Feyerherm, R. ; Beke, D.L.: Silicide formation reactions in a-Si/Co multilayered samples. In: Beke, D. [u.a.] [Eds.] : Diffusion and diffusional phase transformations in alloys : selected, peer reviewed papers from the 4th International Workshop ... DIFTRANS-2007, 16 - 21 July 2007, Sofiyivka, Ukraine. Stafa-Zurich: Trans Tech Publ., 2008 (Defect and diffusion forum ; 277), p. 3-8


Cserháti, C. ; Balogh, Z. ; Csik, A. ; Langer, G.A. ; Erdélyi, Z. ; Glodán, Gy. ; Katona, G.L. ; Beke, D.L. ; Zizak, I. ; Darowski, N. ; Dudzik, E. ; Feyerherm, R.: Linear growth kinetics of nanometric silicides in Co/amorphous-Si and Co/CoSi/amorphous-Si thin films. Journal of Applied Physics 104 (2008), p. 024311/1-6


Mahnke, H.-E. ; Zizak, I. ; Schubert-Bischoff, P. ; Koteski, V.: Ion-beam induced nano-sized Ag-metal clusters in glass. Materials Science and Engineering B 149 (2008), p. 200-203


Miglierini, M. ; Kanuch, T. ; Pavuk, M. ; Svec, P. ; Schumacher, G. ; Zizak, I. ; Jiraskova, Y.: Structural transformations in NANOPERM-type alloys studied by Mössbauer spectrometry and diffraction of synchrotron radiation. Hyperfine Interactions 183 (2008), p. 31-35


Rajput, P. ; Gupta, A. ; Meneghini, C. ; Avasthi, D.K. ; Darowski, N. ; Zizak, I. ; Erko, A.: Depth resolved structural study of heavy ion induced phase formation in Si/Fe/Si trilayer. Hyperfine Interactions 185 (2008), p. 9-15


Zizak, I. ; Darowski, N. ; Klaumünzer, S. ; Schumacher, G. ; Gerlach, J.W. ; Assmann, W.: Ion-beam-induced collective rotation of nanocrystals. Physical Review Letters 101 (2008), p. 065503/1-4

2007


Eiper, E; Keckes, J; Martinschitz, KJ; Zizak, I; Cabie, M; Dehm, G : Size-independent stresses in Al thin films thermally strained down to-100 degrees C. ACTA MATERIALIA 55 (2007), p. 1941-1946


Gupta, A. ; Darowski, N. ; Zizak, I. ; Meneghini, C. ; Schumacher, G. ; Erko, A.: X-ray measurements with micro- and nanoresolution at BESSY. Spectrochimica Acta B 62 (2007), p. 622-625


Mechler, S. ; Schumacher, G. ; Zizak, I. ; Macht, M.-P. ; Wanderka, N.: Correlation between icosahedral short range order, glass forming ability, and thermal stability of Zr-Ti-Ni-Cu-(Be) glasses. Applied Physics Letters 91 (2007), p. 021907/1-3


Schumacher, G. ; Darowski N. ; Zizak, I. ; Klingelhöffer, H. ; Chen, W. ; Neumann, W.: Time dependence of γ/γ' lattice mismatch in creep-deformed single crystal superalloy SC16 at 1173 K. , 2007, p. 3059-3063


Schumacher, G. ; Darowski, N. ; Zizak, I. ; Klingelhöffer, H. ; Chen.W. ; Neumann, W.: Temperature dependence of lattice distortion in strongly creep-deformed single crystal superalloy SC16. Materials Science Forum 539-543 (2007), p. 3048-3052

2006


Chen, W. ; Darowski, N. ; Zizak, I. ; Schumacher, G. ; Klingelhöffer, H. ; Neumann, W.: Lattice distortion in γ' precipitates of single crystal superalloy SC16 under creep deformation. Nuclear Instruments and Methods in Physics Research B 246 (2006), p. 201-205


Jenichen, B. ; Takagaki, Y. ; Ploog, K.H. ; Darowski, N. ; Feyerherm, R. ; Zizak, I.: Nucleation at the phase transition near 40 °C in MnAs nanodisks. Applied Physics Letters 89 (2006), p. 051915/1-3


Rosenthal, D. ; Zizak, I. ; Darowski, N. ; Magkoev, T.T. ; Christmann, K.: The growth and structure of titanium dioxide films on a Re(10-10) surface: Rutile (011)-(2x1). Surface Science 600 (2006), p. 2830-2840

2005


Darowski N. ; Zizak I ; Schumacher G.: Surface and bulk structural changes in InP single crystals induced by 350 MeV Au ion irradiation. Physica B 357 (2005), p. 118-121


Darowski N. ; Zizak I. ; Schumacher G. ; Klingelhöffer H. ; Chen W. ; Neumann W.: Temperature dependence of x-ray intensity profile FWHM of the gamma' phase in the creep-deformed single crystal superalloy SC16. Journal of Physics D 38 (2005), p. A200-A203


Eiper, E. ; Martinschitz, K.J. ; Gerlach, J.W. ; Lackner, J.M. ; Zizak, I. ; Darowski, N. ; Keckes, J.: X-ray elastic constants determined by the combination of sin2 Ψand substrate-curvature methods. Zeitschrifft für Metallkunde 96 (2005), p. 1069-1073


Schattat, B. ; Bolse, W. ; Klaumünzer, S. ; Zizak, I. ; Scholz, R.: Cylindrical nanopores in NiO induced by swift heavy ions. Applied Physics Letters 87 (2005), p. 173110/1-3

2004


Erdelyi Z. ; Sladecek M. ; Stadler L.-M. ; Zizak I. ; Langer G.A. ; Kis-Varga M. ; Beke D.L. ; Sepiol B.: Transient interface sharpening in miscible alloys. Science 306 (2004), p. 1913-1915


Stadler L.-M. ; Sepiol B. ; Kantelhardt J.W. ; Zizak I. ; Grübel G. ; Vogl G.: Revealing antiphase-domain dynamics in alloys by combining advanced statistical techniques with x-ray photon correlation spectroscopy. Physical Review B 69 (2004), p. 224301/1-7

2003


Chen W. ; Darowski N. ; Zizak I. ; Schumacher G. ; Klingelhöffer H. ; Wanderka N. ; Neumann W.: Measurement of gamma/gamma' lattice mismatch in creep deformed single crystal superalloy SC16 using synchrotron X-radiation. Materials Science Forum 426-432 (2003), p. 4555-4560


Darowski N. ; Zizak I. ; Schumacher G. ; Klaumünzer S. ; Wendler E.: Surface crystallinity and radiation-amorphization of InP - An X-ray grazing incidence study. Nuclear Instruments and Methods in Physics Research B 209 (2003), p. 131-135


Gupta H.S. ; Roschger P. ; Zizak I. ; Fratzl-Zelman N. ; Nader A. ; Klaushofer K. ; Fratzl P.: Mineralized microstructure of calcified avian tendons: a scanning small angle X-ray scattering study. Calcified Tissue International 72 (2003), p. 567-576


Jenichen B. ; Kaganer V.M. ; Kästner M. ; Herrmann C. ; Däweritz L. ; Ploog K.H. ; Darowski N. ; Zizak I.: Structural and magnetic phase transition in MnAs(0001)/GaAs(111) epitaxial films. Physical Review B 68 (2003), p. 132301/1-4