關鍵字查詢 | 類別:期刊論文 | | 關鍵字:Measuring voltage in a YBa2Cu3O8 superconductor induced by a moving magnet

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1 94/1 物理系 陳偉正 教授 期刊論文 發佈 Measuring voltage in a YBa2Cu3O8 superconductor induced by a moving magnet , [94-1] :Measuring voltage in a YBa2Cu3O8 superconductor induced by a moving magnet期刊論文Measuring voltage in a YBa2Cu3O8 superconductor induced by a moving magnetChan, W. C.; Lin, C. B.; Chao, H.; Chiang, C. H.淡江大學物理學系College Park: American Physical SocietyPhysical Review B (Condensed Matter and Materials Physics) 72(17), 172510(4pages)This study examined a pair of permanent magnets rotating above a tape-shaped single grain YBa2Cu3O8 (YBCO) superconducting sample (SS) with and without an applied bias current. The root-mean-square voltages (Vrms) induced by the forced movements of the vortices inside the SS were measured. At SS temperatures higher than the critical temperature (Tc) , the induced Vrms was a constant, as expected from Faraday’s law. However, at a temperature in the superconducting transition region, the induced Vrms is a sensitive function of both the motion of the magnet and the bias current applied to the SS. At temperatures below the transition region, the induced Vrms
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