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  • SRF15_LEmuSR5

    Rights statement: This is an author-created, un-copyedited version of an article accepted for publication/published in Superconductor Science and Technology. IOP Publishing Ltd is not responsible for any errors or omissions in this version of the manuscript or any version derived from it. The Version of Record is available online at doi: 10.1088/1361-6668/aa8926

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A low energy muon spin rotation and point contact tunneling study of niobium films prepared for superconducting cavities

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

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A low energy muon spin rotation and point contact tunneling study of niobium films prepared for superconducting cavities. / Junginger, Tobias; Calatroni, S.; Sublet, A. et al.
In: Superconductor Science and Technology, Vol. 30, No. 12, 125013, 07.11.2017.

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

Harvard

Junginger, T, Calatroni, S, Sublet, A, Terenziani, G, Prokscha, T, Salman, Z, Suter, A, Proslier, T & Zasadzinski, J 2017, 'A low energy muon spin rotation and point contact tunneling study of niobium films prepared for superconducting cavities', Superconductor Science and Technology, vol. 30, no. 12, 125013. https://doi.org/10.1088/1361-6668/aa8926

APA

Junginger, T., Calatroni, S., Sublet, A., Terenziani, G., Prokscha, T., Salman, Z., Suter, A., Proslier, T., & Zasadzinski, J. (2017). A low energy muon spin rotation and point contact tunneling study of niobium films prepared for superconducting cavities. Superconductor Science and Technology, 30(12), Article 125013. https://doi.org/10.1088/1361-6668/aa8926

Vancouver

Junginger T, Calatroni S, Sublet A, Terenziani G, Prokscha T, Salman Z et al. A low energy muon spin rotation and point contact tunneling study of niobium films prepared for superconducting cavities. Superconductor Science and Technology. 2017 Nov 7;30(12):125013. doi: 10.1088/1361-6668/aa8926

Author

Junginger, Tobias ; Calatroni, S. ; Sublet, A. et al. / A low energy muon spin rotation and point contact tunneling study of niobium films prepared for superconducting cavities. In: Superconductor Science and Technology. 2017 ; Vol. 30, No. 12.

Bibtex

@article{2eecc4cf0fa44c9da1a1dee7cb735edb,
title = "A low energy muon spin rotation and point contact tunneling study of niobium films prepared for superconducting cavities",
abstract = "Point contact tunneling and low energy muon spin rotation are used to probe, on the same samples, the surface superconducting properties of micrometer thick niobium films deposited onto copper substrates using different sputtering techniques: diode, dc magnetron and HIPIMS. The combined results are compared to radio-frequency tests performances of RF cavities made with the same processes. Degraded surface superconducting properties are found to correlate to lower quality factors and stronger Q-slope. In addition, both techniques find evidence for surface paramagnetism on all samples and particularly on Nb films prepared by HIPIMS.",
keywords = "LE-μSR, niobium, point contact tunneling, superconducting films",
author = "Tobias Junginger and S. Calatroni and A. Sublet and G. Terenziani and T. Prokscha and Z. Salman and A. Suter and T. Proslier and J. Zasadzinski",
note = "This is an author-created, un-copyedited version of an article accepted for publication/published in Superconductor Science and Technology. IOP Publishing Ltd is not responsible for any errors or omissions in this version of the manuscript or any version derived from it. The Version of Record is available online at doi: 10.1088/1361-6668/aa8926",
year = "2017",
month = nov,
day = "7",
doi = "10.1088/1361-6668/aa8926",
language = "English",
volume = "30",
journal = "Superconductor Science and Technology",
issn = "0953-2048",
publisher = "IOP Publishing Ltd.",
number = "12",

}

RIS

TY - JOUR

T1 - A low energy muon spin rotation and point contact tunneling study of niobium films prepared for superconducting cavities

AU - Junginger, Tobias

AU - Calatroni, S.

AU - Sublet, A.

AU - Terenziani, G.

AU - Prokscha, T.

AU - Salman, Z.

AU - Suter, A.

AU - Proslier, T.

AU - Zasadzinski, J.

N1 - This is an author-created, un-copyedited version of an article accepted for publication/published in Superconductor Science and Technology. IOP Publishing Ltd is not responsible for any errors or omissions in this version of the manuscript or any version derived from it. The Version of Record is available online at doi: 10.1088/1361-6668/aa8926

PY - 2017/11/7

Y1 - 2017/11/7

N2 - Point contact tunneling and low energy muon spin rotation are used to probe, on the same samples, the surface superconducting properties of micrometer thick niobium films deposited onto copper substrates using different sputtering techniques: diode, dc magnetron and HIPIMS. The combined results are compared to radio-frequency tests performances of RF cavities made with the same processes. Degraded surface superconducting properties are found to correlate to lower quality factors and stronger Q-slope. In addition, both techniques find evidence for surface paramagnetism on all samples and particularly on Nb films prepared by HIPIMS.

AB - Point contact tunneling and low energy muon spin rotation are used to probe, on the same samples, the surface superconducting properties of micrometer thick niobium films deposited onto copper substrates using different sputtering techniques: diode, dc magnetron and HIPIMS. The combined results are compared to radio-frequency tests performances of RF cavities made with the same processes. Degraded surface superconducting properties are found to correlate to lower quality factors and stronger Q-slope. In addition, both techniques find evidence for surface paramagnetism on all samples and particularly on Nb films prepared by HIPIMS.

KW - LE-μSR

KW - niobium

KW - point contact tunneling

KW - superconducting films

U2 - 10.1088/1361-6668/aa8926

DO - 10.1088/1361-6668/aa8926

M3 - Journal article

AN - SCOPUS:85040121389

VL - 30

JO - Superconductor Science and Technology

JF - Superconductor Science and Technology

SN - 0953-2048

IS - 12

M1 - 125013

ER -