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第44号 >

Please use this identifier to cite or link to this item: http://hdl.handle.net/11178/4808

Title: 中空円柱超伝導体における交流帯磁率特性(電気情報工学科)
Other Titles: AC susceptibility in Hollow Cylindrical Superconductors(DEPARTMENT OF ELECTRICAL ENGINEERING AND INFORMATION TECHNOLOGY)
Authors: 古賀, 美希子
阿久根, 忠博
坂本, 進洋
KOGA, Mikiko
AKUNE, Tadahiro
SAKAMOTO, Nobuyoshi
コガ, ミキコ
アクネ, タダヒロ
サカモト, ノブヨシ
九州産業大学工学研究科電気工学専攻 / 九州産業大学電気情報工学科 / 九州産業大学電気情報工学科
Keywords: Grained Bean model
AC susceptibility
Pinning penetration field
Issue Date: Dec-2007
Publisher: 九州産業大学工学部
Abstract: High-T_c ceramics are composed of two regions, grains and intergrains and their characteristics are determined by the combination of their properties. The main cause of the degradation of superconcucting characteristica originates in the intergrain among the superconducting grains. A quantitative analysis of the contribution due to the grain and link should be made to enhance the superconducting quality. The grained Bean model is proposed, where the superconducting phases acre immersed in the matrix link superconductor. This model gives a variety of complex AC susceptibility curves and a clear insight on the grain structures. By applying the model to AC susceptibility in a hollow cylinder, the effect of holes and vacancies in the superconductor will be discussed.
URI: http://hdl.handle.net/11178/4808
Appears in Collections:第44号

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