Low field magnetic relaxation of superconducting C60Rb3

L. M. Wang; Hong-Chang Yang; J. H. Hwang; C. Y. Mou; Herng-Er Horng

doi:10.1016/0921-4526(94)91533-4

Low field magnetic relaxation of superconducting C₆₀Rb₃

L. M. Wang, Hong-Chang Yang, J. H. Hwang, C. Y. Mou, Herng-Er Horng

光電科技研究所

研究成果: 雜誌貢獻 › 文章

摘要

The relaxation of magnetization M in superconducting C₆₀Rb₃ have been measured at different temperature ranges in low magnetic fields below T_c to explore the flux pinning. The measurements were performed with a superconducting quantum interference magnetometer. The applied magnetic field was 300 G - 600 G and the measured time at each temperature was 1 × 10⁴ sec. M versus 1nt shows a linear behavior for t ≥ 3600 sec. The data were analyzed in the framework of the flux pinning model of Anderson-Kim. The analyses give the activation energy of U(5K) ≈ 20 mev, and the critical current density based on J_c(T) ∝ [dM/dlnt] × [U/kT] shows J_c ∝ (1-t)^m, with the exponent m ≈ 2.0. The results are discussed.

原文	英語
頁（從 - 到）	2067-2068
頁數	2
期刊	Physica B: Physics of Condensed Matter
卷	194-196
發行號	PART 2
DOIs	https://doi.org/10.1016/0921-4526(94)91533-4
出版狀態	已發佈 - 1994 二月 2

指紋

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Electrical and Electronic Engineering

引用此

Wang, L. M., Yang, H-C., Hwang, J. H., Mou, C. Y., & Horng, H-E. (1994). Low field magnetic relaxation of superconducting C₆₀Rb₃. Physica B: Physics of Condensed Matter, 194-196(PART 2), 2067-2068. https://doi.org/10.1016/0921-4526(94)91533-4

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存取文件

10.1016/0921-4526(94)91533-4