Irreversible magnetization switching at the onset of superconductivity in a superconductor ferromagnet hybrid

Peter J Curran; Jangyong Kim; Nathan Satchell; J. D. S. Witt; Gavin Burnell; Machiel G Flokstra; Stephen L Lee; Joshaniel F.K. Cooper; Christy Kinane; Sean  Langridge; Aldo Isidori; Nataliya Pugach; Matthias Eschrig; Simon J Bending

doi:10.1063/1.4938467

Irreversible magnetization switching at the onset of superconductivity in a superconductor ferromagnet hybrid

Peter J Curran, Jangyong Kim, Nathan Satchell, J. D. S. Witt, Gavin Burnell, Machiel G Flokstra, Stephen L Lee, Joshaniel F.K. Cooper, Christy Kinane, Sean Langridge, Aldo Isidori, Nataliya Pugach, Matthias Eschrig, Simon J Bending

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Abstract

We demonstrate that the magnetic state of a superconducting spin valve, that is normally controlled with an external magnetic field, can also be manipulated by varying the temperature which increases the functionality and flexibility of such structures as switching elements. In this case, switching is driven by changes in the magnetostatic energy due to spontaneous Meissner screening currents forming in the superconductor below the critical temperature. Our scanning Hall probe measurements also reveal vortex-mediated pinning of the ferromagnetic domain structure due to the pinning of quantized stray fields in the adjacent superconductor. The ability to use temperature as well as magnetic field to control the local magnetisation structure raises the prospect of potential applications in magnetic memory devices.

Original language	English
Article number	262602
Pages (from-to)	1-5
Number of pages	5
Journal	Applied Physics Letters
Volume	107
Issue number	26
Early online date	31 Dec 2015
DOIs	https://doi.org/10.1063/1.4938467
Publication status	Published - 31 Dec 2015

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10.1063/1.4938467

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http://scitation.aip.org/content/aip/journal/apl/107/26/10.1063/1.4938467

Long-range spin transport in superconductor-ferromagnet nanostructures
Eschrig, M. (PI)
1/09/15 → 31/08/17
Project: Research
Generation, Imaging and Control of Novel Coherent Electronic States in Artificial Ferromagnetic-Superconducting Hybrid Metamaterials and Devices
Eschrig, M. (PI)
Eng & Phys Sci Res Council EPSRC
1/03/12 → 31/08/16
Project: Research

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Curran, P. J., Kim, J., Satchell, N., Witt, J. D. S., Burnell, G., Flokstra, M. G., Lee, S. L., Cooper, J. F. K., Kinane, C., Langridge, S., Isidori, A., Pugach, N., Eschrig, M., & Bending, S. J. (2015). Irreversible magnetization switching at the onset of superconductivity in a superconductor ferromagnet hybrid. Applied Physics Letters, 107(26), 1-5. Article 262602. https://doi.org/10.1063/1.4938467

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title = "Irreversible magnetization switching at the onset of superconductivity in a superconductor ferromagnet hybrid",

abstract = "We demonstrate that the magnetic state of a superconducting spin valve, that is normally controlled with an external magnetic field, can also be manipulated by varying the temperature which increases the functionality and flexibility of such structures as switching elements. In this case, switching is driven by changes in the magnetostatic energy due to spontaneous Meissner screening currents forming in the superconductor below the critical temperature. Our scanning Hall probe measurements also reveal vortex-mediated pinning of the ferromagnetic domain structure due to the pinning of quantized stray fields in the adjacent superconductor. The ability to use temperature as well as magnetic field to control the local magnetisation structure raises the prospect of potential applications in magnetic memory devices.",

author = "Curran, {Peter J} and Jangyong Kim and Nathan Satchell and Witt, {J. D. S.} and Gavin Burnell and Flokstra, {Machiel G} and Lee, {Stephen L} and Cooper, {Joshaniel F.K.} and Christy Kinane and Sean Langridge and Aldo Isidori and Nataliya Pugach and Matthias Eschrig and Bending, {Simon J}",

year = "2015",

month = dec,

day = "31",

doi = "10.1063/1.4938467",

language = "English",

volume = "107",

pages = "1--5",

journal = "Applied Physics Letters",

issn = "0003-6951",

publisher = "American Institute of Physics Publising LLC",

number = "26",

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Curran, PJ, Kim, J, Satchell, N, Witt, JDS, Burnell, G, Flokstra, MG, Lee, SL, Cooper, JFK, Kinane, C, Langridge, S, Isidori, A, Pugach, N, Eschrig, M & Bending, SJ 2015, 'Irreversible magnetization switching at the onset of superconductivity in a superconductor ferromagnet hybrid', Applied Physics Letters, vol. 107, no. 26, 262602, pp. 1-5. https://doi.org/10.1063/1.4938467

TY - JOUR

T1 - Irreversible magnetization switching at the onset of superconductivity in a superconductor ferromagnet hybrid

AU - Curran, Peter J

AU - Kim, Jangyong

AU - Satchell, Nathan

AU - Witt, J. D. S.

AU - Burnell, Gavin

AU - Flokstra, Machiel G

AU - Lee, Stephen L

AU - Cooper, Joshaniel F.K.

AU - Kinane, Christy

AU - Langridge, Sean

AU - Isidori, Aldo

AU - Pugach, Nataliya

AU - Eschrig, Matthias

AU - Bending, Simon J

PY - 2015/12/31

Y1 - 2015/12/31

N2 - We demonstrate that the magnetic state of a superconducting spin valve, that is normally controlled with an external magnetic field, can also be manipulated by varying the temperature which increases the functionality and flexibility of such structures as switching elements. In this case, switching is driven by changes in the magnetostatic energy due to spontaneous Meissner screening currents forming in the superconductor below the critical temperature. Our scanning Hall probe measurements also reveal vortex-mediated pinning of the ferromagnetic domain structure due to the pinning of quantized stray fields in the adjacent superconductor. The ability to use temperature as well as magnetic field to control the local magnetisation structure raises the prospect of potential applications in magnetic memory devices.

AB - We demonstrate that the magnetic state of a superconducting spin valve, that is normally controlled with an external magnetic field, can also be manipulated by varying the temperature which increases the functionality and flexibility of such structures as switching elements. In this case, switching is driven by changes in the magnetostatic energy due to spontaneous Meissner screening currents forming in the superconductor below the critical temperature. Our scanning Hall probe measurements also reveal vortex-mediated pinning of the ferromagnetic domain structure due to the pinning of quantized stray fields in the adjacent superconductor. The ability to use temperature as well as magnetic field to control the local magnetisation structure raises the prospect of potential applications in magnetic memory devices.

U2 - 10.1063/1.4938467

DO - 10.1063/1.4938467

M3 - Letter

SN - 0003-6951

VL - 107

SP - 1

EP - 5

JO - Applied Physics Letters

JF - Applied Physics Letters

IS - 26

M1 - 262602

ER -

Irreversible magnetization switching at the onset of superconductivity in a superconductor ferromagnet hybrid

Abstract

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Projects

Long-range spin transport in superconductor-ferromagnet nanostructures

Generation, Imaging and Control of Novel Coherent Electronic States in Artificial Ferromagnetic-Superconducting Hybrid Metamaterials and Devices

Cite this