Sökning: "High-Tc"

Visar resultat 11 - 15 av 63 avhandlingar innehållade ordet High-Tc.

  1. 11. Interfacial microstructure of YBa2Cu3O7-δ high Tc superconductors

    Författare :José A Alarco; Chalmers tekniska högskola; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES;

    Sammanfattning : .... LÄS MER

  3. 12. Grain Boundary Structure of YBa2Cu3O7-δ High Tc Superconductors

    Författare :José A Alarco; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

    Sammanfattning : The microstructures of YBa2Cu3O7-.delta. (YBCO) high Tc superconducting materials have been studied using analytical electron microscopy. The effects of processing parameters on the interfacial microstructures have been investigated in both bulk materials and thin films. LÄS MER

  4. 13. Low and High Tc Bolometer Detectors for THz Frequencies

    Författare :Auréle Adam; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; direct detection; HEB; Terahertz technology; hot spot model; Sub-millimetre wave; NbN; YBaCuO; Heterodyne Mixer; hot electron bolometer;

    Sammanfattning : .... LÄS MER

  5. 14. Step Edge Junctions in YBa2Cu3O7-δ High-Tc Superconductors

    Författare :Huai-ren Yi; Chalmers tekniska högskola; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; YBa2Cu3O7-delta; barrier property; Josephson flux-flow transistor; laser deposition; electron-beam lithography; magnetron sputtering; thin film; step edge junction; amorphous carbon;

    Sammanfattning : This thesis describes experimental work on GdBa2Cu3O7-.delta. (GBCO) thin films, YBa2Cu3O7-.delta. LÄS MER

  7. 15. Superradiant THz wave emission from arrays of Josephson junctions

    Författare :Ievgenii Borodianskyi; Vladimir Krasnov; Yury Shukrinov; Stockholms universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Josephson junction; Superconductor; ThZ emission; high-Tc; Physics; fysik;

    Sammanfattning : High-power, continuous-wave, compact and tunable THz sources are needed for a large variety of applications. Development of power-efficient sources of electromagnetic radiation in the 0.1-10 THz range is a difficult technological problem, known as the “THz gap. LÄS MER