Sökning: "London penetration depth"
Hittade 5 avhandlingar innehållade orden London penetration depth.
1. Unconventional Properties of YBCO Thin Films and GB Josephson Devices for Novel Applications
Sammanfattning : .... LÄS MER
2. Fabrication and Characterization of Superconductive Coplanar Waveguide Resonators : Fabrication and Characterization of Superconductive Coplanar Waveguide Resonators
Sammanfattning : The objective of this thesis is to evaluate a generic process for fabrication and characterization of the Superconductive coplanar waveguide (CPW) resonators. Superconductive CPW resonators with various lengths and shapes are designed to investigate their electrical and magnetic properties as well as resonance properties and sensitivities. LÄS MER
3. Josephson Junctions: Oscillators and Broadband Spectrometers at Frequencies up to 1 THz
Sammanfattning : This thesis is devoted to some selected applications of the Josephson junction oscillator. The initial work was performed using low-Tc Nb/PbBi tunnel junctions, while the later parts were done using the recently developed high-Tc YBa2Cu3O7 (YBCO) Josephson junctions. LÄS MER
4. Thermodynamic characterization of superconducting and magnetic materials using nanocalorimetry
Sammanfattning : Measurement of specific heat is a powerful technique for the investigation of novel materials. Superconducting and magnetic systems, in particular, can be thoroughly characterized by studying their electronic contribution to the specific heat. LÄS MER
5. Dynamics and Applications of Long Josephson Junctions
Sammanfattning : The first object of this work is to theoretically study the effects of tunnel junction parameters on flux-flow Josephson oscillators (FFOs) by numerical simulation and to experimentally study the rf properties of FFOs by integrating them together with an SIS (superconductor-insulator-superconductor) mixer/detector on a chip. By using a CAD modeled integrated sub-mm wave receiver, the composite linewidth of two FFOs was measured to be less than 2. LÄS MER