Paramagnetic effect in Nano-opal-lead structure

Hengsong Zhang; Fulin Zuo; Di Wu; Jing Shi

doi:10.1007/s10948-009-0628-9

Paramagnetic effect in Nano-opal-lead structure

Hengsong Zhang, Fulin Zuo, Di Wu, Jing Shi

Physics

Research output: Contribution to journal › Article

2 Scopus citations

Abstract

We report magnetic studies of the paramagnetic effect observed in the superconducting nano-structured opal-lead system. Positive magnetization is clearly observed when the sample is cooled in field. The paramagnetic effect is strongly dependent on the applied field and the cooling rate. The results suggest that the paramagnetic moment is due to flux trapping and the competition between the positive and negative moments due to the temperature dependence of the penetration depth.

Original language	English (US)
Pages (from-to)	1043-1045
Number of pages	3
Journal	Journal of Superconductivity and Novel Magnetism
Volume	23
Issue number	6
DOIs	https://doi.org/10.1007/s10948-009-0628-9
State	Published - Aug 1 2010

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Keywords

Flux trapping
Paramagnetic effect
Superconducting nano-structure

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

Cite this

Zhang, H., Zuo, F., Wu, D., & Shi, J. (2010). Paramagnetic effect in Nano-opal-lead structure. Journal of Superconductivity and Novel Magnetism, 23(6), 1043-1045. https://doi.org/10.1007/s10948-009-0628-9

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AU - Wu, Di

AU - Shi, Jing

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N2 - We report magnetic studies of the paramagnetic effect observed in the superconducting nano-structured opal-lead system. Positive magnetization is clearly observed when the sample is cooled in field. The paramagnetic effect is strongly dependent on the applied field and the cooling rate. The results suggest that the paramagnetic moment is due to flux trapping and the competition between the positive and negative moments due to the temperature dependence of the penetration depth.

AB - We report magnetic studies of the paramagnetic effect observed in the superconducting nano-structured opal-lead system. Positive magnetization is clearly observed when the sample is cooled in field. The paramagnetic effect is strongly dependent on the applied field and the cooling rate. The results suggest that the paramagnetic moment is due to flux trapping and the competition between the positive and negative moments due to the temperature dependence of the penetration depth.

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10.1007/s10948-009-0628-9