Magnetic-flux dynamics in a high-quality single crystal of YBa2Cu307\_ ~ has been studied with a swinging-beam experiment. At low temperature the flux is pinned and the response is determined by the magnetization; this shows an anisotropy which agrees with that expected from demagnetizing factors fo
✦ LIBER ✦
Anistropic flux dynamics in YBa2Cu3O7−δ single crystals
✍ Scribed by V.F. Solovjov; V.M. Pan; H.C. Freyhardt
- Publisher
- Elsevier Science
- Year
- 1994
- Tongue
- English
- Weight
- 136 KB
- Volume
- 235-240
- Category
- Article
- ISSN
- 0921-4534
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The dissipative flux motion under magnetic fields has been studied in YBa2Cu,\_$e,0,\_b (x=0,0.04, and 0.13) single crystals. The thermally activated flux-creep model was used to analyze the resistivity data within the transition region. Temperature and field dependence of the activation energy can