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Low anisotropic upper critical fields in SmO1-xFxFeAs thin films with a layered hybrid structure
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Haindl, Silvia, Kampert, Erik, Sasase, Masato, Hiramatsu, Hidenori and Hosono, Hideo (2019) Low anisotropic upper critical fields in SmO1-xFxFeAs thin films with a layered hybrid structure. Superconductor Science and Technology, 32 (4). 044003. doi:10.1088/1361-6668/aafe3d ISSN 0953-2048.
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WRAP-low-anisotropic-upper-critical-fields-SmO1-xFxFeAs-thin-films-layered-hybrid-structure-Kampert-2018.pdf - Accepted Version - Requires a PDF viewer. Available under License Creative Commons Attribution Non-commercial No Derivatives. Download (1523Kb) | Preview |
Official URL: http://dx.doi.org/10.1088/1361-6668/aafe3d
Abstract
We report on the upper critical fields in SmO 1 - x F x FeAs thin films prepared by pulsed laser deposition. With an F - content gradient along their thickness, the films could be described approximately as layered two - phase hybrid structures comprised of one superconducting layer and one antiferromagnetic layer. An analytical characterization of different thin film samples by AES and STEM - EDX is provided and structural defects, such as antiphase boundaries, were confirmed for films grown at lower deposition temperatures. Electrical transport measurements in pulsed magnetic fields yielded upper critical fields higher than 80 T with an anisotropy y Hc2 ≤ 2.25.
Item Type: | Journal Article | |||||||||||||||
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Subjects: | Q Science > QC Physics T Technology > TA Engineering (General). Civil engineering (General) |
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Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | |||||||||||||||
Library of Congress Subject Headings (LCSH): | Thin films, Superconductors, Antiferromagnetism | |||||||||||||||
Journal or Publication Title: | Superconductor Science and Technology | |||||||||||||||
Publisher: | Institute of Physics Publishing Ltd. | |||||||||||||||
ISSN: | 0953-2048 | |||||||||||||||
Official Date: | 21 February 2019 | |||||||||||||||
Dates: |
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Volume: | 32 | |||||||||||||||
Number: | 4 | |||||||||||||||
Article Number: | 044003 | |||||||||||||||
DOI: | 10.1088/1361-6668/aafe3d | |||||||||||||||
Status: | Peer Reviewed | |||||||||||||||
Publication Status: | Published | |||||||||||||||
Access rights to Published version: | Restricted or Subscription Access | |||||||||||||||
Date of first compliant deposit: | 16 January 2019 | |||||||||||||||
Date of first compliant Open Access: | 14 January 2020 | |||||||||||||||
RIOXX Funder/Project Grant: |
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