Title :
Fabrication and characterization of Nb/NbxSi1−x/Nb Josephson junction arrays for voltage standard
Author :
Wenhui Cao ; Jinjin Li ; Yuan Zhong ; Yonggang Liu ; Qing He
Author_Institution :
Nat. Inst. of Metrol., Beijing, China
Abstract :
We report in CPEM 2014 our effort towards SNS Josephson junction devices for the quantum voltage standard. SNS junction array device, with Nb as the superconductor material (S) and NbxSi1-x alloy as the barrier material (N), is fabricated and tested by NIM (National Institute of Metrology). The I-V characteristic curves of the junction arrays are measured and the experimental results are discussed.
Keywords :
measurement standards; niobium; niobium alloys; silicon alloys; superconducting junction devices; superconducting materials; voltage measurement; Nb-NbxSi1-x-Nb; SNS Josephson junction arrays; quantum voltage standard; superconductor material; Fabrication; Josephson junctions; Junctions; Niobium; Silicon; Standards; Josephson junction arrays; NbxSi1−x; Niobium; voltage standard;
Conference_Titel :
Precision Electromagnetic Measurements (CPEM 2014), 2014 Conference on
Conference_Location :
Rio de Janeiro
Print_ISBN :
978-1-4799-5205-2
DOI :
10.1109/CPEM.2014.6898286