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  • atmospheric pressure  (2)
  • (Sr, Ca)RuO3  (1)
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  • 1
    Digitale Medien
    Digitale Medien
    Microstructure and properties of (Sr, Ca)CuO2/(Sr, Ca)RuO3 multilayers (1994)
    Springer
    Journal of superconductivity 7 (1994), S. 737-741 
    Details
    ISSN: 1572-9605
    Schlagwort(e): Multilayer ; thin film ; infinite layer ; (Sr, Ca)CuO2 ; (Sr, Ca)RuO3 ; TEM
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Elektrotechnik, Elektronik, Nachrichtentechnik , Physik
    Notizen: Abstract Epitaxial multilayer thin films of “infinite-layer” (Sr, Ca)CuO2 and perovskite (Sr, Ca)RuO3 have been prepared on (100) SrTiO3 substrates by multitarget rf magnetron sputtering. X-ray diffraction analyses revealed that the multilayer structure of (Sr, Ca)CuO3/(Sr, Ca)RuO3 was successfully fabricated with a minimum layer thickness of 20 Å. Transmission electron microscopy measurements of the multilayers indicated that there was no dislocation which normally exists in single-layer films with an infinite-layer structure. Resistivities of multilayer films at room temperature ranged from 1 to 10 mΩ cm and showed semiconductor-like dependence against the temperature.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00721655
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Methane Decomposition in a Barium Titanate Packed-Bed Nonthermal Plasma Reactor (1998)
    Springer
    Plasma chemistry and plasma processing 18 (1998), S. 363-373 
    Details
    ISSN: 1572-8986
    Schlagwort(e): Nonthermal plasma ; CH4 ; N2O ; NO x ; CO ; CO2 ; BaTiO3 ; lattice oxygen ; atmospheric pressure
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Chemie und Pharmazie , Maschinenbau , Technik allgemein
    Notizen: Abstract The behavior of lattice oxygen species of the ferroelectric material during methane oxidation was investigated using a nonthermal plasma reactor packed with BaTiO 3 pellets. Lattice oxygen species in BaTiO 3 play an important role in the formation of N 2 O and the oxidation of CH 4 . The oxidation products such as CO and CO 2 were formed from independent reaction pathways. Lattice oxygen species were able to preferentially oxidize the carbon species deposited on the pellet surface into CO. Also, N 2 O and NO x were independently formed in the N 2–O 2 reaction, suggesting that different oxygen species give N 2 O and NO x. N 2 O was produced by the oxidation of molecular nitrogen with lattice oxygen species.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1023/A:1021897419040
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  • 3
    Digitale Medien
    Digitale Medien
    Effect of Water Vapor on Benzene Decomposition Using a Nonthermal-Discharge Plasma Reactor (2000)
    Springer
    Plasma chemistry and plasma processing 20 (2000), S. 453-467 
    Details
    ISSN: 1572-8986
    Schlagwort(e): nonthermal plasma ; benzene ; water vapor ; atmospheric pressure
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Chemie und Pharmazie , Maschinenbau , Technik allgemein
    Notizen: Abstract The effect of water vapor on benzene decomposition in air was investigatedusing a nonthermal-discharge plasma reactor packed with ferroelectricmaterials. The conversion of benzene was found to decrease with an increaseof water concentration. On the other hand, the selectivity to CO2 in thedecomposition products increased with an increase of water concentration. Acomparison between the benzene conversion to CO and CO2 suggested that COformation was suppressed by water to a greater extent than was CO2formation. N2O formation also decreased with an increase of waterconcentration. These results suggest that the activity of oxygen speciesresponsible for the formation of CO and N2O is reduced by water.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1023/A:1007075721610
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