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Defects and the the...
Defects and the thermal conductivity of YBa2Cu3O7-d and YBa2Cu4O8
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- Andersson, Britt M. (författare)
- Umeå universitet,Institutionen för fysik
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- Sundqvist, Bertil (författare)
- Umeå universitet,Institutionen för fysik
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(creator_code:org_t)
- Elsevier Sequoia S.A. 1993
- 1993
- Engelska.
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Ingår i: Journal of Alloys and Compounds, volume 195. - : Elsevier Sequoia S.A.. - 0 444 81529 5 ; , s. 655-658
- 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
- We present below the first measured data for the thermal diffusivity and the thermal conductivity, λ, of dense, sintered ceramic YBa2Cu4O8 (1-2-4) as a function of temperature T between 40 and 310 K. At 300 K, λ is 6.3 Wm−1K−1, increasing with decreasing T to about 9.5 Wm−1K−1 near Tc. This T dependence is much stronger than in YBa2Cu3O7−δ (1-2-3). Only a very small enhancement is observed in λ below Tc. As in 1-2-3, λ is mainly limited by phonon scattering by defects.
Ämnesord
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
Nyckelord
- Superconductivity
- thermal conductivity
- high-Tc superconductors
- YBa2Cu3O7
- YBa2Cu4O8
- defect scattering
- phonon transport
- Condensed matter physics
- Kondenserade materiens fysik
- Superconductivity
- Supraledning
- fysik
- Physics
Publikations- och innehållstyp
- ref (ämneskategori)
- kon (ämneskategori)
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