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  • PACS. 73.23.Hk Coulomb blockade; single-electron tunneling - 73.40.Rw Metal-insulator-metal structures  (1)
  • Tl cuprates  (1)
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  • 1
    Digitale Medien
    Digitale Medien
    Bias and temperature dependence of the noise in a single electron transistor (1999)
    Springer
    The European physical journal 8 (1999), S. 627-633 
    Details
    ISSN: 1434-6036
    Schlagwort(e): PACS. 73.23.Hk Coulomb blockade; single-electron tunneling - 73.40.Rw Metal-insulator-metal structures
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract: A single electron transistor based on Al-AlOx-Nb tunnel junctions was fabricated by shadow evaporation and in situ barrier formation. Its output current noise was measured, using a transimpedance amplifier setup, as a function of bias voltage, gain, and temperature, in the frequency range (1-300) Hz. The spot noise at 10 Hz is dominated by a gain dependent component, indicating that the main noise contribution comes from fluctuations at the input of the transistor. Deviations from ideal input charge noise behaviour are found in the form of a bias dependence of the differential charge equivalent noise, i.e. the derivative of current noise with respect to gain. The temperature dependence of this effect could indicate that heating is activating the noise sources, and that they are located inside or in the near vicinity of the junctions.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/s100510050730
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Preparation and properties of Tl2Ba2CaCu2O8 thin films (1994)
    Springer
    Journal of superconductivity 7 (1994), S. 767-771 
    Details
    ISSN: 1572-9605
    Schlagwort(e): Tl cuprates ; thin films ; ex-situ thin film processing
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Elektrotechnik, Elektronik, Nachrichtentechnik , Physik
    Notizen: Abstract Anex situ process has been developed to produce thin superconducting Tl2Ba2CaCu2O8 films. The properties of films grown on different substrates using different annealing regimes were studied. Critical temperatures of 103–107 K were measured on films prepared in a broad range of annealing temperatures on SrTiO3, LaAlO3, and Y-ZrO2 substrates. A critical current density,J c, of 2×106 A/cm2 at 77 K was measured on LaAlO3. Film morphology was studied by SEM, AFM, and STM.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00721661
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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    Artikel (Nationallizenzen)
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