Specific Capacitance Dependence on the Specific Resistance in Nb/Al–AlOx/Nb Tunnel Junctions

Specific Capacitance Dependence on the Specific Resistance in Nb/Al–AlOx/Nb Tunnel Junctions

The junction specific capacitance (C s ) is an essential parameter in designing tuning circuitry for superconductor- insulator-superconductor (SIS) mixers. However, our knowledge of the junction capacitance only relies on the few available empirically obtained C s versus specific normal resistance (...

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Veröffentlicht in:IEEE transactions on terahertz science and technology 2017-09, Vol.7 (5), p.586-592
Hauptverfasser: Aghdam, Parisa Yadranjee, Rashid, Hawal, Pavolotsky, Alexey, Desmaris, Vincent, Meledin, Denis, Belitsky, Victor
Format: Artikel
Sprache:eng
Schlagworte:
Capacitance
Capacitance measurement
Circuit design
Electrical resistivity
Frequency measurement
Junctions
Microwave frequencies
Microwave measurement
Mixers
Niobium
Noise temperature
Response functions
RNA
Silicon
SIS (superconductors)
Submillimeter wave devices
Superconducting microwave devices
superconductor–insulator–superconductor (SIS) mixer
Susceptance
Tunnel junctions
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Beschreibung
Zusammenfassung:The junction specific capacitance (C s ) is an essential parameter in designing tuning circuitry for superconductor- insulator-superconductor (SIS) mixers. However, our knowledge of the junction capacitance only relies on the few available empirically obtained C s versus specific normal resistance (R n A) relations, which are inconsistent especially at low R n A values, R n A
ISSN:2156-342X
2156-3446
2156-3446
DOI:10.1109/TTHZ.2017.2723803