Direct observation of flux creep in minor hysteresis loops of type-II superconductors
β Scribed by H. Rogalla; C. Heiden
- Publisher
- Elsevier Science
- Year
- 1977
- Tongue
- English
- Weight
- 170 KB
- Volume
- 63
- Category
- Article
- ISSN
- 0375-9601
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This paper reports the experimental investigations into two different methods of reducing flux creep and magnetic relaxation in high T c YBa2Cu307 and low T c Nb-Ti. For temperatures T \_< 4.2 K temperature reduction leads to a considerable reduction of the flux creep rate. The second method for red
The appropriate magnetic and thermal diffusion equations for magnetization of a "hard" type II superconductor have been solved numerically using a digital computer, and show the initiation of flux jumps at applied field strengths in agreement with experimentally observed magnitudes.