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외부자장에 의한 초전도체의 전기적 특성 변화 기구

Effects of Applied Magnetic Field on the Electrical Propertiesof High Tc Superconductor

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참고문헌

주제분류금속공학

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Abstract

The relationship between electrical properties of superconductor and externally applied magnetic field was studied to develop a magnetic field sensor. The electrical resistance of the superconductor was increased by applying external magnetic field and even after removal of the magnetic field. This behavior was related to the magnetic flux trapped in the superconductor, which penetrated through the material by the external magnetic field. Some portion of the superconductor was changed to a normal state by the trapped magnetic flux. The appearance of the normal state yielded to enhance the electrical resistance.

참고문헌 (3)

  1. J.G.Bednorz, "Z. Phys", B64, pp.189~ (1986)
  2. M.K.Wu, "Phys. Rev.Lett", 58, pp.908~ (1989)
  3. H.Maeda, "Jpn. J. Appl.Phys", 27, pp.209~ (1988)

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