Pair suppression caused by mosaic-twist defects in superconducting Sr2RuO4 thin-films prepared using pulsed laser deposition

Carla Maria Palomares Garcia; Angelo Di Bernardo; Graham Kimbell; Mary E. Vickers; Fabien C-P. Massabuau; Sachio Komori; Giorgio Divitini; Yuuki Yasui; Han Gyeol Lee; Jinkwon Kim; Bongju Kim; Mark G. Blamire; Antonio Vecchione; Rosalba Fittipaldi; Yoshiteru Maeno; Tae Won Noh; Jason W. A. Robinson

doi:10.1038/s43246-020-0026-1

Pair suppression caused by mosaic-twist defects in superconducting Sr2RuO4 thin-films prepared using pulsed laser deposition

Carla Maria Palomares Garcia, Angelo Di Bernardo, Graham Kimbell, Mary E. Vickers, Fabien C-P. Massabuau, Sachio Komori, Giorgio Divitini, Yuuki Yasui, Han Gyeol Lee, Jinkwon Kim, Bongju Kim, Mark G. Blamire, Antonio Vecchione, Rosalba Fittipaldi, Yoshiteru Maeno, Tae Won Noh, Jason W. A. Robinson

Physics

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Abstract

Sr2RuO4 is a prototypical unconventional superconductor, but the superconducting symmetries of the bulk and surface states in single crystals remains controversial. Solving this problem is impeded by the challenge of producing thin-films of Sr2RuO4 free of defects and impurities which annihilate the superconductivity. Here, we report the reliable growth of superconducting Sr2RuO4 thin-films by pulsed laser deposition and identify the universal material properties that are destructive to the superconducting state. We demonstrate that careful control of the starting material is essential to achieve superconductivity as well as the use of a single crystal target of Sr3Ru2O7. By systematically varying the Sr2RuO4 film thickness, we identify mosaic twist as the key in-plane defect that suppresses superconductivity. These results are central to the development of our understanding of unconventional superconductivity.

Original language	English
Article number	23
Number of pages	8
Journal	Communications Materials
Volume	1
DOIs	https://doi.org/10.1038/s43246-020-0026-1
Publication status	Published - 6 May 2020

Keywords

superconductor
Sr2RuO4
thin film

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10.1038/s43246-020-0026-1Licence: CC BY 4.0

Palomares-Garcia-etal-CM-2020-Pair-suppression-caused-by-mosaic-twist defects-in-superconducting-Sr2RuO4Final published version, 3.98 MBLicence: CC BY 4.0

Fabien Massabuau
- f.massabuaustrath.acuk
- Physics - Senior Lecturer
Person: Academic

Research data supporting: Pair suppression caused by mosaic-twist defects in superconducting Sr2RuO4 thin-films prepared using pulsed laser deposition
Garcia, C. M. P. (Contributor), Di Bernardo, A. (Contributor), Kimbell, G. (Contributor), Vickers, M. E. (Contributor), Massabuau, F. (Contributor), Komori, S. (Contributor), Divitini, G. (Contributor), Yasui, Y. (Contributor), Lee, H. G. (Contributor), Kim, J. (Contributor), Kim, B. (Contributor), Blamire, M. G. (Contributor), Vecchione, A. (Contributor), Fittipaldi, R. (Contributor), Maeno, Y. (Contributor), Noh, T. W. (Contributor) & Robinson, J. W. A. (Contributor), Apollo Cambridge, 19 Dec 2022
DOI: 10.17863/cam.48463
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Palomares Garcia, C. M., Di Bernardo, A., Kimbell, G., Vickers, M. E., Massabuau, F. C.-P., Komori, S., Divitini, G., Yasui, Y., Gyeol Lee, H., Kim, J., Kim, B., Blamire, M. G., Vecchione, A., Fittipaldi, R., Maeno, Y., Won Noh, T., & Robinson, J. W. A. (2020). Pair suppression caused by mosaic-twist defects in superconducting Sr2RuO4 thin-films prepared using pulsed laser deposition. Communications Materials, 1, Article 23. https://doi.org/10.1038/s43246-020-0026-1

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title = "Pair suppression caused by mosaic-twist defects in superconducting Sr2RuO4 thin-films prepared using pulsed laser deposition",

abstract = "Sr2RuO4 is a prototypical unconventional superconductor, but the superconducting symmetries of the bulk and surface states in single crystals remains controversial. Solving this problem is impeded by the challenge of producing thin-films of Sr2RuO4 free of defects and impurities which annihilate the superconductivity. Here, we report the reliable growth of superconducting Sr2RuO4 thin-films by pulsed laser deposition and identify the universal material properties that are destructive to the superconducting state. We demonstrate that careful control of the starting material is essential to achieve superconductivity as well as the use of a single crystal target of Sr3Ru2O7. By systematically varying the Sr2RuO4 film thickness, we identify mosaic twist as the key in-plane defect that suppresses superconductivity. These results are central to the development of our understanding of unconventional superconductivity.",

keywords = "superconductor, Sr2RuO4, thin film",

author = "{Palomares Garcia}, {Carla Maria} and {Di Bernardo}, Angelo and Graham Kimbell and Vickers, {Mary E.} and Massabuau, {Fabien C-P.} and Sachio Komori and Giorgio Divitini and Yuuki Yasui and {Gyeol Lee}, Han and Jinkwon Kim and Bongju Kim and Blamire, {Mark G.} and Antonio Vecchione and Rosalba Fittipaldi and Yoshiteru Maeno and {Won Noh}, Tae and Robinson, {Jason W. A.}",

year = "2020",

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doi = "10.1038/s43246-020-0026-1",

language = "English",

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Palomares Garcia, CM, Di Bernardo, A, Kimbell, G, Vickers, ME, Massabuau, FC-P, Komori, S, Divitini, G, Yasui, Y, Gyeol Lee, H, Kim, J, Kim, B, Blamire, MG, Vecchione, A, Fittipaldi, R, Maeno, Y, Won Noh, T & Robinson, JWA 2020, 'Pair suppression caused by mosaic-twist defects in superconducting Sr2RuO4 thin-films prepared using pulsed laser deposition', Communications Materials, vol. 1, 23. https://doi.org/10.1038/s43246-020-0026-1

TY - JOUR

T1 - Pair suppression caused by mosaic-twist defects in superconducting Sr2RuO4 thin-films prepared using pulsed laser deposition

AU - Palomares Garcia, Carla Maria

AU - Di Bernardo, Angelo

AU - Kimbell, Graham

AU - Vickers, Mary E.

AU - Massabuau, Fabien C-P.

AU - Komori, Sachio

AU - Divitini, Giorgio

AU - Yasui, Yuuki

AU - Gyeol Lee, Han

AU - Kim, Jinkwon

AU - Kim, Bongju

AU - Blamire, Mark G.

AU - Vecchione, Antonio

AU - Fittipaldi, Rosalba

AU - Maeno, Yoshiteru

AU - Won Noh, Tae

AU - Robinson, Jason W. A.

PY - 2020/5/6

Y1 - 2020/5/6

N2 - Sr2RuO4 is a prototypical unconventional superconductor, but the superconducting symmetries of the bulk and surface states in single crystals remains controversial. Solving this problem is impeded by the challenge of producing thin-films of Sr2RuO4 free of defects and impurities which annihilate the superconductivity. Here, we report the reliable growth of superconducting Sr2RuO4 thin-films by pulsed laser deposition and identify the universal material properties that are destructive to the superconducting state. We demonstrate that careful control of the starting material is essential to achieve superconductivity as well as the use of a single crystal target of Sr3Ru2O7. By systematically varying the Sr2RuO4 film thickness, we identify mosaic twist as the key in-plane defect that suppresses superconductivity. These results are central to the development of our understanding of unconventional superconductivity.

AB - Sr2RuO4 is a prototypical unconventional superconductor, but the superconducting symmetries of the bulk and surface states in single crystals remains controversial. Solving this problem is impeded by the challenge of producing thin-films of Sr2RuO4 free of defects and impurities which annihilate the superconductivity. Here, we report the reliable growth of superconducting Sr2RuO4 thin-films by pulsed laser deposition and identify the universal material properties that are destructive to the superconducting state. We demonstrate that careful control of the starting material is essential to achieve superconductivity as well as the use of a single crystal target of Sr3Ru2O7. By systematically varying the Sr2RuO4 film thickness, we identify mosaic twist as the key in-plane defect that suppresses superconductivity. These results are central to the development of our understanding of unconventional superconductivity.

KW - superconductor

KW - Sr2RuO4

KW - thin film

U2 - 10.1038/s43246-020-0026-1

DO - 10.1038/s43246-020-0026-1

M3 - Article

SN - 2662-4443

VL - 1

JO - Communications Materials

JF - Communications Materials

M1 - 23

ER -

Pair suppression caused by mosaic-twist defects in superconducting Sr2RuO4 thin-films prepared using pulsed laser deposition

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Fabien Massabuau

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Research data supporting: Pair suppression caused by mosaic-twist defects in superconducting Sr2RuO4 thin-films prepared using pulsed laser deposition

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