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21 Result(s)

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  1. No Access

    Article

    Element analysis of complex materials by calibration-free laser-induced breakdown spectroscopy

    Laser-induced breakdown spectroscopy (LIBS) is a promising method for fast and quantitative element analysis of complex materials. We report on LIBS measurements of multi-component oxide materials and the comp...

    J. D. Pedarnig, P. Kolmhofer, N. Huber, B. Praher, J. Heitz… in Applied Physics A (2013)

  2. No Access

    Article

    Negative permittivity of ZnO thin films prepared from aluminum and gallium doped ceramics via pulsed-laser deposition

    Aluminum and gallium doped zinc oxide thin films with negative dielectric permittivity in the near infrared spectral range are grown by pulsed laser deposition. Composite ceramics comprising ZnO and secondary ...

    M. A. Bodea, G. Sbarcea, G. V. Naik, A. Boltasseva, T. A. Klar… in Applied Physics A (2013)

  3. No Access

    Article

    Non-ohmic Electrical Transport Properties Above the Critical Temperature in Optimally and Underdoped Superconducting YBa2Cu3O6+x

    The resistivity and the Hall effect as a function of current density and temperature in the normal state of very thin films of YBa2Cu3O6+x are measured with a fast pulsed-current technique. The i...

    W. Lang, I. Puica, G. Zechner, T. Kitzler… in Journal of Superconductivity and Novel Mag… (2012)

  4. No Access

    Article

    Double-pulse laser-induced breakdown spectroscopy for trace element analysis in sintered iron oxide ceramics

    Double-pulse laser-induced breakdown spectroscopy (LIBS) is an emerging technique for accurate compositional analysis of many different materials. We present a systematic study of collinear double-pulse LIBS f...

    H. Heilbrunner, N. Huber, H. Wolfmeir, E. Arenholz, J. D. Pedarnig… in Applied Physics A (2012)

  5. No Access

    Article

    Pulsed-laser deposition of inclined ZnO, of GaPO4 and of novel composite thin films

    Pulsed-laser deposition of different novel thin film materials is reported. Pure ZnO, Al-doped and Li-doped ZnO thin films and double-layers with inclined crystal orientation and very strong texture were achie...

    J.D. Pedarnig, M. Peruzzi, I. Vrejoiu, D.G. Matei, M. Dinescu… in Applied Physics A (2005)

  6. No Access

    Article

    F2-laser patterning of GaPO4 resonators for humidity sensing

    Piezoelectric gallium orthophosphate (GaPO4) thickness – shear mode resonators were patterned by F2-laser ablation and employed for gas sensing. The thickness of GaPO4 crystals was reduced from ∼215 μm to ∼115 μm...

    J.D. Pedarnig, M. Peruzzi, H. Salhofer, R. Schwödiauer, W. Reichl… in Applied Physics A (2005)

  7. No Access

    Article

    Inclined ZnO thin films produced by pulsed-laser deposition

    ZnO thin films with a uniformly inclined structure are grown by pulsed-laser deposition on SrTiO3. The c-axis of ZnO films is inclined by an angle θ=20±0.5° and θ=42±0.5° against the surface normal of 25° miscut...

    M. Peruzzi, J.D. Pedarnig, D. Bäuerle, W. Schwinger, F. Schäffler in Applied Physics A (2004)

  8. No Access

    Article

    Perspectives of laser processing and chemistry

    Laser-induced material processing is reviewed with special emphasis on recent achievements mainly obtained by the Linz group. Among those are investigations using optical fiber tips for nanoscale photophysical...

    D. Bäuerle, R. Denk, J.D. Pedarnig, K. Piglmayer, J. Heitz, G. Schrems in Applied Physics A (2003)

  9. No Access

    Article

    Flexible ceramic–polymer composite films with temperature-insensitive and tunable dielectric permittivity

    BaTiO3–polymer composite layers have been produced by the spin-on technique (thickness 3–10 μm). The dielectric permittivity of the layers at room temperature can be tuned from 2.8 to approximately 33 by varying...

    I. Vrejoiu, J.D. Pedarnig, M. Dinescu, S. Bauer-Gogonea, D. Bäuerle in Applied Physics A (2002)

  10. No Access

    Article

    Photoinduced Changes of the In-Plane and Out-Of-Plane Electronic Properties in YBa2Cu3Ox

    We report on the photoinduced changes of the electronic properties of YBa2Cu3Ox (x ≈ 6.6) thin films, focussing on the electrical anisotropy in the normal and the superconducting state. The latter was determined ...

    C. Stockinger, G. Heine, W. Markowitsch, W. Lang, R. Adam… in Journal of Superconductivity (2001)

  11. No Access

    Article

    Photo-induced increase of the superconducting coherence lengths in oxygen-deficient YBa2Cu3Ox thin films

    ( ) thin films were photodoped with white light at various temperatures from 70 K to 290 K. Before and after the excitation, the magnetoc...

    C. Stockinger, G. Heine, W. Markowitsch… in The European Physical Journal B - Condense… (2000)

  12. No Access

    Article

    Morphology and electrical properties of pulsed-laser deposited Bi2Sr2CaCu2O8+δ films on vicinal substrates

    Thin films of Bi2Sr2CaCu2O8+δ have been grown on vicinal (001) SrTiO3 substrates by pulsed-laser deposition. Transmission electron microscopy (TEM) and X-ray diffraction reveal well ordered films with the c axis ...

    R. Rössler, J.D. Pedarnig, D. Bäuerle, E.J. Connolly, H.W. Zandbergen in Applied Physics A (2000)

  13. No Access

    Article

    Structural, electrical, and surface characteristics of La0.5Sr0.5CoO3 thin films prepared by pulsed-laser deposition

    A parametric study of the growth of La0.5Sr0.5CoO3 (LSCO) thin films on (100) MgO substrates by pulsed-laser deposition (PLD) is reported. Films are grown under a wide range of substrate temperature (450–800 °C),...

    R.A. Gunasekaran, J.D. Pedarnig, M. Dinescu in Applied Physics A (1999)

  14. No Access

    Article

    Photoinduced Changes of the Electrical Anisotropy in Oxygen-Depleted YBa2Cu3O x

    Long-term photoexcitation experiments were performed on Y Ba 2 Cu 3 O x (x≈6.6) thin films, prepared by pulsed-laser deposition on “tilted” SrTiO3 substrates. From the anisotr...

    Ch. Stockinger, W. Markowitsch, W. Lang, R. Rössler… in Journal of Low Temperature Physics (1999)

  15. No Access

    Article

    Sign Change of the Out-of-plane Magnetoresistance in Oxygen-deficient YBCO

    The out-of-plane magnetoresistance in optimally doped (T c ≈ 90 K) and oxygen-deficient (T c ≈ 58 K) thin films of YBa 2 Cu 3 O 7−δ grown on vicinal SrTiO 3 substrates was investigated. The magnetoresistance of ...

    G. Heine, W. Lang, R. Rössler, J. D. Pedarnig… in Journal of Low Temperature Physics (1999)

  16. No Access

    Article

    Oxygen diffusion in epitaxial Bi2Sr2CaCu2O8+δ thin films

    Superconducting Bi 2 Sr 2 CaCu 2 O 8+δ thin films (T ...

    Th. Zahner, A. Gramm, U. Spreitzer, R. Rössler… in Journal of Low Temperature Physics (1999)

  17. No Access

    Article

    Film structure and ferroelectric properties of in situ grown SrBi2Ta2O9 films

    Ferroelectric SrBi2Ta2O9 (SBT) films were grown by pulsed-laser deposition (PLD) at different substrate temperatures and fluences. A correlation between film structure and ferroelectric properties is established....

    R. Dinu, M. Dinescu, J.D. Pedarnig, R.A. Gunasekaran, D. Bäuerle… in Applied Physics A (1999)

  18. No Access

    Article

    Patterning of YBa2Cu3O7-δ films using a near-field optical configuration

    Cu3O7-δ films have been patterned by means of an arrangement employed in scanning near-field optical microscopy (SNOM). Standard SNOM probes were modified to achieve high transmission for direct writing by oxygen...

    J.D. Pedarnig, H. Göttlich, R. Rössler, W.M. Heckl, D. Bäuerle in Applied Physics A (1998)

  19. No Access

    Article

    Excimer-laser ablation and micro-patterning of ceramic Si3N4

    N4 has been investigated. The ablation threshold in air, Φth, is around 0.3±0.1 J/cm2 with ArF- and 0.9±0.2 J/cm2 with KrF-laser radiation. With fluences Φth<Φ<4 J/cm2 the irradiated surface is either very flat o...

    J. Heitz, J.D. Pedarnig, D. Bäuerle, G. Petzow in Applied Physics A (1997)

  20. No Access

    Chapter

    Fluorescence Lifetime Variations and Local Spectroscopy in Scanning Near-Field Optical Microscopy

    We present new results of Fluorescence — Scanning Near-Field Optical Microscopy (Fluorescence-SNOM) on ruby micro crystallites demonstrating local spectroscopy with a lateral resolution of δx ≤ λ / 20. The flu...

    J. D. Pedarnig, M. Specht, T. W. Hänsch in Photons and Local Probes (1995)

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