Flux-to-voltage transfer function of the series-SQUID array with grain-boundary Josephson junctions

J. T. Jeng; H. C. Hung; C. R. Lin; C. H. Wu; K. L. Chen; J. C. Chen; H. C. Yang; S. H. Liao; H. E. Horng

doi:10.1109/TASC.2005.850063

Flux-to-voltage transfer function of the series-SQUID array with grain-boundary Josephson junctions

J. T. Jeng^*
, H. C. Hung
, C. R. Lin
, C. H. Wu
, K. L. Chen
, J. C. Chen
, H. C. Yang
, S. H. Liao
, H. E. Horng

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

10 Citations (Scopus)

Abstract

The factors affecting the flux-to-voltage transfer function of the series-SQUID array with grain-boundary Josephson junctions were investigated. By using the proposed critical-current-modulation model, it is found that the voltage swing of the series-SQUID array is suppressed greatly by the spread in critical currents of Josephson junctions. For the inductance L = 80 pH and the logarithmic average critical current 2 I_ave = 20 μA. of the component SQUID, the allowed spread in critical currents of Josephson junctions is 0.4 I_ave to 2.2 I_ave for achieving the low flux noise with the series SQUID array.

Original language	English
Pages (from-to)	793-796
Number of pages	4
Journal	IEEE Transactions on Applied Superconductivity
Volume	15
Issue number	2 PART I
DOIs	https://doi.org/10.1109/TASC.2005.850063
Publication status	Published - 2005 Jun

Keywords

Critical-current spread
High-temperature superconductors
Josephson junctions
SQUID

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Electrical and Electronic Engineering

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10.1109/TASC.2005.850063

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title = "Flux-to-voltage transfer function of the series-SQUID array with grain-boundary Josephson junctions",

abstract = "The factors affecting the flux-to-voltage transfer function of the series-SQUID array with grain-boundary Josephson junctions were investigated. By using the proposed critical-current-modulation model, it is found that the voltage swing of the series-SQUID array is suppressed greatly by the spread in critical currents of Josephson junctions. For the inductance L = 80 pH and the logarithmic average critical current 2 Iave = 20 μA. of the component SQUID, the allowed spread in critical currents of Josephson junctions is 0.4 Iave to 2.2 Iave for achieving the low flux noise with the series SQUID array.",

keywords = "Critical-current spread, High-temperature superconductors, Josephson junctions, SQUID",

author = "Jeng, \{J. T.\} and Hung, \{H. C.\} and Lin, \{C. R.\} and Wu, \{C. H.\} and Chen, \{K. L.\} and Chen, \{J. C.\} and Yang, \{H. C.\} and Liao, \{S. H.\} and Horng, \{H. E.\}",

note = "Funding Information: Manuscript received October 3, 2004. This work was supported by the National Science Council of R.O.C. under Grant NSC91-2119-M-027-001, Grant NSC92-2112-M-027-004, and Grant NSC93-2112-M-027-003.",

year = "2005",

month = jun,

doi = "10.1109/TASC.2005.850063",

language = "English",

volume = "15",

pages = "793--796",

journal = "IEEE Transactions on Applied Superconductivity",

issn = "1051-8223",

publisher = "Institute of Electrical and Electronics Engineers Inc.",

number = "2 PART I",

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T1 - Flux-to-voltage transfer function of the series-SQUID array with grain-boundary Josephson junctions

AU - Jeng, J. T.

AU - Hung, H. C.

AU - Lin, C. R.

AU - Wu, C. H.

AU - Chen, K. L.

AU - Chen, J. C.

AU - Yang, H. C.

AU - Liao, S. H.

AU - Horng, H. E.

N1 - Funding Information: Manuscript received October 3, 2004. This work was supported by the National Science Council of R.O.C. under Grant NSC91-2119-M-027-001, Grant NSC92-2112-M-027-004, and Grant NSC93-2112-M-027-003.

PY - 2005/6

Y1 - 2005/6

N2 - The factors affecting the flux-to-voltage transfer function of the series-SQUID array with grain-boundary Josephson junctions were investigated. By using the proposed critical-current-modulation model, it is found that the voltage swing of the series-SQUID array is suppressed greatly by the spread in critical currents of Josephson junctions. For the inductance L = 80 pH and the logarithmic average critical current 2 Iave = 20 μA. of the component SQUID, the allowed spread in critical currents of Josephson junctions is 0.4 Iave to 2.2 Iave for achieving the low flux noise with the series SQUID array.

AB - The factors affecting the flux-to-voltage transfer function of the series-SQUID array with grain-boundary Josephson junctions were investigated. By using the proposed critical-current-modulation model, it is found that the voltage swing of the series-SQUID array is suppressed greatly by the spread in critical currents of Josephson junctions. For the inductance L = 80 pH and the logarithmic average critical current 2 Iave = 20 μA. of the component SQUID, the allowed spread in critical currents of Josephson junctions is 0.4 Iave to 2.2 Iave for achieving the low flux noise with the series SQUID array.

KW - Critical-current spread

KW - High-temperature superconductors

KW - Josephson junctions

KW - SQUID

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UR - https://www.scopus.com/pages/publications/22044439266#tab=citedBy

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DO - 10.1109/TASC.2005.850063

M3 - Article

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VL - 15

SP - 793

EP - 796

JO - IEEE Transactions on Applied Superconductivity

JF - IEEE Transactions on Applied Superconductivity

IS - 2 PART I

ER -

Flux-to-voltage transfer function of the series-SQUID array with grain-boundary Josephson junctions

Abstract

Keywords

ASJC Scopus subject areas

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