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 › peer-review

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 2010

Keywords

Flux trapping
Paramagnetic effect
Superconducting nano-structure

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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title = "Paramagnetic effect in Nano-opal-lead structure",

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.",

keywords = "Flux trapping, Paramagnetic effect, Superconducting nano-structure",

author = "Hengsong Zhang and Fulin Zuo and Di Wu and Jing Shi",

note = "Funding Information: Acknowledgement We thank Prof. Stewart Barnes for valuable discussions. This work has been supported by NASA Grant NNG05WC-16G (HZ and FZ) and NSF NIRT 0102964 (DW and JS).",

year = "2010",

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TY - JOUR

T1 - Paramagnetic effect in Nano-opal-lead structure

AU - Zhang, Hengsong

AU - Zuo, Fulin

AU - Wu, Di

AU - Shi, Jing

N1 - Funding Information: Acknowledgement We thank Prof. Stewart Barnes for valuable discussions. This work has been supported by NASA Grant NNG05WC-16G (HZ and FZ) and NSF NIRT 0102964 (DW and JS).

PY - 2010/8

Y1 - 2010/8

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.

KW - Flux trapping

KW - Paramagnetic effect

KW - Superconducting nano-structure

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EP - 1045

JO - Journal of Superconductivity and Novel Magnetism

JF - Journal of Superconductivity and Novel Magnetism

SN - 1557-1939

IS - 6

ER -

Paramagnetic effect in Nano-opal-lead structure

Abstract

Keywords

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