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Article
Electron beam fracturing of ZnO nanostructures and modification in optical band gap
In our previous work Siraj et al (J Alloys Comp 563:280, 2013), the electron beam irradiation at high energies (6–15 MeV) at constant dose of 30 Gy produced Zinc oxide elongated nanostructures and modified the op...
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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...
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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 ...
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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...
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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...
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Article
Quantitative determination of element concentrations in industrial oxide materials by laser-induced breakdown spectroscopy
Calibration-free laser-induced breakdown spectroscopy (CF-LIBS) method is employed for quantitative determination of oxide concentrations in multi-component materials. Industrial oxide materials from steel ind...
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Article
LA-ICP-MS analysis of waste polymer materials
Waste polymer materials were analyzed by laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS). The concentrations of 35 elements were determined by using different types of external standard...
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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...
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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...
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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...
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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...
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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...
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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 ...
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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...
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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 ...
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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),...
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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...
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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 ...
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Article
Oxygen diffusion in epitaxial Bi2Sr2CaCu2O8+δ thin films
Superconducting Bi 2 Sr 2 CaCu 2 O 8+δ thin films (T ...
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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....
