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Highly Sensitive Electrometers Based on Single Cooper Pair Tunneling

Research output: Contribution to Journal/Magazine › Conference article › peer-review

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Highly Sensitive Electrometers Based on Single Cooper Pair Tunneling. / Zorin, A. B.; Lotkhov, S. V.; Pashkin, Yu A. et al.
In: Journal of Superconductivity, Vol. 12, No. 6, 01.01.1999, p. 747-755.

Research output: Contribution to Journal/Magazine › Conference article › peer-review

Harvard

Zorin, AB, Lotkhov, SV, Pashkin, YA, Zangerle, H, Krupenin, VA, Weimann, T, Scherer, H & Niemeyer, J 1999, 'Highly Sensitive Electrometers Based on Single Cooper Pair Tunneling', Journal of Superconductivity, vol. 12, no. 6, pp. 747-755. https://doi.org/10.1023/A:1007780925567

APA

Zorin, A. B., Lotkhov, S. V., Pashkin, Y. A., Zangerle, H., Krupenin, V. A., Weimann, T., Scherer, H., & Niemeyer, J. (1999). Highly Sensitive Electrometers Based on Single Cooper Pair Tunneling. Journal of Superconductivity, 12(6), 747-755. https://doi.org/10.1023/A:1007780925567

Vancouver

Zorin AB, Lotkhov SV, Pashkin YA, Zangerle H, Krupenin VA, Weimann T et al. Highly Sensitive Electrometers Based on Single Cooper Pair Tunneling. Journal of Superconductivity. 1999 Jan 1;12(6):747-755. doi: 10.1023/A:1007780925567

Author

Zorin, A. B. ; Lotkhov, S. V. ; Pashkin, Yu A. et al. / Highly Sensitive Electrometers Based on Single Cooper Pair Tunneling. In: Journal of Superconductivity. 1999 ; Vol. 12, No. 6. pp. 747-755.

Bibtex

@article{eb1e08216a4e4e14a695c48c0300152a,
title = "Highly Sensitive Electrometers Based on Single Cooper Pair Tunneling",
abstract = "A superconducting transistor structure comprising two Josephson tunnel junctions connected in series and a small island in between, which is capacitively coupled to a gate, is considered. When self-capacitances of the junctions are sufficiently small that the corresponding charging energy Ec is of the order of magnitude of the Josephson coupling strength EJ (and both are ≫kBT), the interplay of the charging and Josephson effects in the circuit becomes essential. This leads to a characteristic I-V curve which can be effectively modulated by the gate in two limit cases of external electrodynamic impedance Zs(ω): (a) Zs = Rs ≫ RQ ≈ 6.5 kΩ and (b) Rs ≪ RQ. Both circuits can serve as electrometers which are competitive with traditional single-electron devices. Preliminary experimental results are discussed.",
keywords = "Coulomb and Josephson effects, Thermal and quantum fluctuations, Ultrasmall tunnel junctions",
author = "Zorin, {A. B.} and Lotkhov, {S. V.} and Pashkin, {Yu A.} and H. Zangerle and Krupenin, {V. A.} and T. Weimann and H. Scherer and J. Niemeyer",
year = "1999",
month = jan,
day = "1",
doi = "10.1023/A:1007780925567",
language = "English",
volume = "12",
pages = "747--755",
journal = "Journal of Superconductivity",
issn = "0896-1107",
publisher = "Kluwer Academic Publishers",
number = "6",
note = "Proceedings of the 1998 International Workshop on 'Macroscopic Quantum Tunneling and Coherence' ; Conference date: 10-06-1998 Through 13-06-1998",

}

RIS

TY - JOUR

T1 - Highly Sensitive Electrometers Based on Single Cooper Pair Tunneling

AU - Zorin, A. B.

AU - Lotkhov, S. V.

AU - Pashkin, Yu A.

AU - Zangerle, H.

AU - Krupenin, V. A.

AU - Weimann, T.

AU - Scherer, H.

AU - Niemeyer, J.

PY - 1999/1/1

Y1 - 1999/1/1

N2 - A superconducting transistor structure comprising two Josephson tunnel junctions connected in series and a small island in between, which is capacitively coupled to a gate, is considered. When self-capacitances of the junctions are sufficiently small that the corresponding charging energy Ec is of the order of magnitude of the Josephson coupling strength EJ (and both are ≫kBT), the interplay of the charging and Josephson effects in the circuit becomes essential. This leads to a characteristic I-V curve which can be effectively modulated by the gate in two limit cases of external electrodynamic impedance Zs(ω): (a) Zs = Rs ≫ RQ ≈ 6.5 kΩ and (b) Rs ≪ RQ. Both circuits can serve as electrometers which are competitive with traditional single-electron devices. Preliminary experimental results are discussed.

AB - A superconducting transistor structure comprising two Josephson tunnel junctions connected in series and a small island in between, which is capacitively coupled to a gate, is considered. When self-capacitances of the junctions are sufficiently small that the corresponding charging energy Ec is of the order of magnitude of the Josephson coupling strength EJ (and both are ≫kBT), the interplay of the charging and Josephson effects in the circuit becomes essential. This leads to a characteristic I-V curve which can be effectively modulated by the gate in two limit cases of external electrodynamic impedance Zs(ω): (a) Zs = Rs ≫ RQ ≈ 6.5 kΩ and (b) Rs ≪ RQ. Both circuits can serve as electrometers which are competitive with traditional single-electron devices. Preliminary experimental results are discussed.

KW - Coulomb and Josephson effects

KW - Thermal and quantum fluctuations

KW - Ultrasmall tunnel junctions

U2 - 10.1023/A:1007780925567

DO - 10.1023/A:1007780925567

M3 - Conference article

AN - SCOPUS:0000450419

VL - 12

SP - 747

EP - 755

JO - Journal of Superconductivity

JF - Journal of Superconductivity

SN - 0896-1107

IS - 6

T2 - Proceedings of the 1998 International Workshop on 'Macroscopic Quantum Tunneling and Coherence'

Y2 - 10 June 1998 through 13 June 1998

ER -