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Title: Microwave resonant activation in hybrid single-gap/two-gap Josephson tunnel junctions

Abstract

Microwave resonant activation is a powerful, straightforward technique to study classical and quantum systems, experimentally realized in Josephson junction devices cooled to very low temperatures. These devices typically consist of two single-gap superconductors separated by a weak link. We report the results of the first resonant activation experiments on hybrid thin film Josephson junctions consisting of a multi-gap superconductor (MgB 2) and a single-gap superconductor (Pb or Sn). We can interpret the plasma frequency in terms of theories both for conventional and hybrid junctions. Using these models, we determine the junction parameters including critical current, resistance, and capacitance and find moderately high quality factors of Q 0~100 for these junctions

Authors:
ORCiD logo [1]; ORCiD logo [2];  [2]; ORCiD logo [3];  [3]; ORCiD logo [4];  [4];  [4];  [5]
  1. Penn State Harrisburg, Middletown, PA (United States)
  2. Drexel Univ., Philadelphia, PA (United States)
  3. Pennsylvania State Univ., University Park, PA (United States)
  4. Temple Univ., Philadelphia, PA (United States)
  5. Univ. of the Sciences, Philadelphia, PA (United States)
Publication Date:
Research Org.:
Penn State Harrisburg, Middletown, PA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1468937
Alternate Identifier(s):
OSTI ID: 1328577
Grant/Contract Number:  
FG02-08ER46531
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Journal of Applied Physics
Additional Journal Information:
Journal Volume: 120; Journal Issue: 12; Journal ID: ISSN 0021-8979
Publisher:
American Institute of Physics (AIP)
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY

Citation Formats

Carabello, Steven, Lambert, Joseph G., Mlack, Jerome, Dai, Wenqing, Li, Qi, Chen, Ke, Cunnane, Daniel, Xi, X. X., and Ramos, Roberto C.. Microwave resonant activation in hybrid single-gap/two-gap Josephson tunnel junctions. United States: N. p., 2016. Web. doi:10.1063/1.4963651.
Carabello, Steven, Lambert, Joseph G., Mlack, Jerome, Dai, Wenqing, Li, Qi, Chen, Ke, Cunnane, Daniel, Xi, X. X., & Ramos, Roberto C.. Microwave resonant activation in hybrid single-gap/two-gap Josephson tunnel junctions. United States. doi:10.1063/1.4963651.
Carabello, Steven, Lambert, Joseph G., Mlack, Jerome, Dai, Wenqing, Li, Qi, Chen, Ke, Cunnane, Daniel, Xi, X. X., and Ramos, Roberto C.. Wed . "Microwave resonant activation in hybrid single-gap/two-gap Josephson tunnel junctions". United States. doi:10.1063/1.4963651. https://www.osti.gov/servlets/purl/1468937.
@article{osti_1468937,
title = {Microwave resonant activation in hybrid single-gap/two-gap Josephson tunnel junctions},
author = {Carabello, Steven and Lambert, Joseph G. and Mlack, Jerome and Dai, Wenqing and Li, Qi and Chen, Ke and Cunnane, Daniel and Xi, X. X. and Ramos, Roberto C.},
abstractNote = {Microwave resonant activation is a powerful, straightforward technique to study classical and quantum systems, experimentally realized in Josephson junction devices cooled to very low temperatures. These devices typically consist of two single-gap superconductors separated by a weak link. We report the results of the first resonant activation experiments on hybrid thin film Josephson junctions consisting of a multi-gap superconductor (MgB2) and a single-gap superconductor (Pb or Sn). We can interpret the plasma frequency in terms of theories both for conventional and hybrid junctions. Using these models, we determine the junction parameters including critical current, resistance, and capacitance and find moderately high quality factors of Q0~100 for these junctions},
doi = {10.1063/1.4963651},
journal = {Journal of Applied Physics},
number = 12,
volume = 120,
place = {United States},
year = {Wed Sep 28 00:00:00 EDT 2016},
month = {Wed Sep 28 00:00:00 EDT 2016}
}

Journal Article:
Free Publicly Available Full Text
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