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Flux pinning in c-axis-oriented MgB2 thin film

โœ Scribed by Z.X. Shi; Y.X. Zhang; H. Lv; Mingxiang Xu; Eun-Mi Choi; Sung-Ik Lee

Book ID
104083579
Publisher
Elsevier Science
Year
2007
Tongue
English
Weight
246 KB
Volume
467
Category
Article
ISSN
0921-4534

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โœฆ Synopsis

Flux pinning behavior of c-axis-oriented MgB 2 thin film has been investigated by magnetization and transporting measurements. Critical current density J c and flux pinning force density F p were calculated from magnetization hysteresis loops. Pinning energy U 0 was estimated from both magnetization relaxation and resistivity transition curves. Based on the field and temperature dependence of critical current density, flux pinning force density and pinning energy, flux pinning mechanism in MgB 2 superconductor has been analyzed and discussed in detail.

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