Field-tuneable diamagnetism in ferromagnetic-superconducting core-shell structures

André Müller, Sara E C Dale, Miles A Engbarth, Simon J Bending, Laurence M Peter, Andreas Knittel, Hans Fangohr

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Abstract

Three dimensional ferromagnet-superconductor core-shell structures are realized by electrocrystallisation and their magnetic properties investigated. We observe fully re-entrant core superconductivity in increasing fields that survives well above the bulk critical field due to compensation effects. The net measured magnetization of optimized structures could be switched from absolute para(ferro-)magnetic to diamagnetic by tuning the external magnetic field. Micromagnetic simulations of the structures are in good qualitative agreement with our results.
LanguageEnglish
Pages1874-1880
Number of pages7
JournalAdvanced Functional Materials
Volume21
Issue number10
Early online date13 Apr 2011
DOIs
StatusPublished - 24 May 2011

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Diamagnetism
Superconductivity
Superconducting materials
Magnetization
Magnetic properties
Tuning
Magnetic fields
Compensation and Redress

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Field-tuneable diamagnetism in ferromagnetic-superconducting core-shell structures. / Müller, André; Dale, Sara E C; Engbarth, Miles A; Bending, Simon J; Peter, Laurence M; Knittel, Andreas; Fangohr, Hans.

In: Advanced Functional Materials, Vol. 21, No. 10, 24.05.2011, p. 1874-1880.

Research output: Contribution to journalArticle

Müller, André ; Dale, Sara E C ; Engbarth, Miles A ; Bending, Simon J ; Peter, Laurence M ; Knittel, Andreas ; Fangohr, Hans. / Field-tuneable diamagnetism in ferromagnetic-superconducting core-shell structures. In: Advanced Functional Materials. 2011 ; Vol. 21, No. 10. pp. 1874-1880
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