3D Properties in (RE)BCO Tapes  measured in Fields up to 35 T [dataset]

Okada, Tatsunori (Tohoku University, Japan); Hampshire, Damian P. (University of Durham, UK); Surrey, Elizabeth (Culham Science Centre, UK); Smith, Andrew (University of Durham, UK); Awaji, Satoshi (Tohoku University, Japan); Raine, Mark J. (University of Durham, UK)

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3D Properties in (RE)BCO Tapes measured in Fields up to 35 T [dataset] Open Access

We have measured the temperature and angular dependence of the upper critical field (B¬_C2) for three state of the art (RE)BCO HTS tapes using variable-temperature ac susceptibility measurements in applied fields up to 35 T. The three tapes measured were a Fujikura tape without artificial pinning centers and Superpower tapes with and without artificial pinning centers. We have obtained fits to our B_C2 (T,θ) data using both the anisotropic Ginzburg-Landau (G-L) model and Klemm’s model for layered superconductors. Our calculations suggest that these tapes are 3D at all temperatures in zero field but become 2D in magnetic fields above a crossover field of 457/γ T where γ=√(m_c/m_ab ) is the G-L anisotropy parameter. The values of γ were measured and show that the 3D-2D crossover fields in these tapes are at least 130 T.

Descriptions

Resource type: Dataset
Contributors: Editor: Hampshire, Damian P. ¹
Creator: Awaji, Satoshi ²
Creator: Surrey, Elizabeth ³
Contact person: Smith, Andrew ¹
Editor: Smith, Andrew ¹
Creator: Okada, Tatsunori ²
Creator: Raine, Mark J. ¹

¹ University of Durham, UK
² Tohoku University, Japan
³ Culham Science Centre, UK
Funder: Engineering and Physical Sciences Research Council
EuroFUSION
Research methods
Other description
Keyword: 2G HTS Conductors
Superconducting Materials Measurements
Cuprates
Magnetic Anisotropy
Magnetic Field Measurement
Magnetic Susceptibility
Critical Temperature and Critical Fields
Subject
Location
Language
Cited in: https://ieeexplore.ieee.org/document/8631184?arnumber=8631184&source=authoralert
Identifier: ark:/32150/r2tm70mv19q
doi:10.15128/r2tm70mv19q
Publisher: Durham University
Date Created

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Date Uploaded: 20 March 2018, 10:03:13
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User A. Smith has updated 3D Properties in (RE)BCO Tapes measured in Fields up to 35 T [dataset]	about 5 years ago
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User A. Smith has updated 3D Properties in (RE)BCO Tapes measured in Fields up to 35 T [dataset]	about 5 years ago
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