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Study of flux motio...
Study of flux motion in Bi-based superconductors by a pendulum
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- Yang, Z.J. (författare)
- University of Oslo
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- Johansen, T.H. (författare)
- University of Oslo
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- Bratsberg, H. (författare)
- University of Oslo
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- Skjeltorp, A.T. (författare)
- Institute for Energy Technology, Kjeller
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- Guo, S.J. (författare)
- Luleå tekniska universitet
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Loberg, Bengt (författare)
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(creator_code:org_t)
- 1992
- 1992
- Engelska.
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Ingår i: Journal of Superconductivity. - 0896-1107 .- 1572-9605. ; 5:2, s. 127-135
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Using a computerized mechanical pendulum, we have studied the lateral magnetic flux motion of the Bi-based high-T c superconductors in the quasi-static magnetic field (0.1 Hz) for the range 1 μm to 0.35 mm. The effect of d.c. and a.c. transport currents on the flux motion has also been investigated. We argue that the lateral magnetic stiffness is a measure of the pinning potential of the fluxoids in the superconductors. The pinning energy barrier ε is estimated to be about 0.3 eV based on the stiffness measurements, which is comparable with the data from the YBa2Cu3O7-χ superconductors.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Annan materialteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Other Materials Engineering (hsv//eng)
Nyckelord
- Materialteknik
- Engineering Materials
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- art (ämneskategori)
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