Journal article

A.C. susceptibility as a probe of low-frequency magnetic dynamics

Abstract:: The experimental technique of a.c. susceptibility can be used as a probe of magnetic dynamics in a wide variety of systems. Its use is restricted to the low- frequency regime and thus is sensitive to relatively slow processes. Rather than measuring the dynamics of single spins, a.c. susceptibility can be used to probe the dynamics of collective objects, such as domain walls in ferromagnets or vortex matter in superconductors. In some frustrated systems, such as spin glasses, the complex interactions lead to substantial spectral weight of fluctuations in the low-frequency regime, and thus a.c. susceptibility can play a unique role. We review the theory underlying the technique and magnetic dynamics more generally and give applications of a.c. susceptibility to a wide variety of experimental situations.

Publication status:: Published

Peer review status:: Peer reviewed

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APA Style

Topping, C., & Blundell, S. (2018). A.C. susceptibility as a probe of low-frequency magnetic dynamics. Journal of Physics: Condensed Matter, 31(1).

MLA Style

Topping, C., and S. Blundell. “A.C. Susceptibility as a Probe of Low-Frequency Magnetic Dynamics.” Journal of Physics: Condensed Matter, vol. 31, no. 1, IOP Publishing, 2018.

Chicago Style

Topping, C, and S Blundell. 2018. “A.C. Susceptibility as a Probe of Low-Frequency Magnetic Dynamics.” Journal of Physics: Condensed Matter 31 (1).
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Files:: Topping+et+al_2018_J._Phys.%3A_Condens._Matter_10.1088_1361-64...

(Preview, Accepted manuscript, pdf, 4.3MB, Terms of use)

Publisher copy:: 10.1088/1361-648X/aaed96

Authors

+ Topping, C More by this author

Institution:: University of Oxford
Division:: MPLS Division
Department:: Physics
Sub department:: Condensed Matter Physics
Oxford college:: Worcester College
Role:: Author

+ Blundell, S More by this author

Institution:: University of Oxford
Division:: MPLS
Department:: Physics
Sub department:: Condensed Matter Physics
Oxford college:: Mansfield College
Role:: Author

+ Engineering and Physical Sciences Research Council More from this funder

Grant:: EP/M018954/1

Publisher:: IOP Publishing
Journal:: Journal of Physics: Condensed Matter More from this journal
Volume:: 31
Issue:: 1
Publication date:: 2018-11-30
Acceptance date:: 2018-11-01
DOI:: 10.1088/1361-648X/aaed96
EISSN:: 1361-648X
ISSN:: 0953-8984

Pubs id:: pubs:938955
UUID:: uuid:79e42fbf-786a-4c64-80b8-3e9daa91041b
Local pid:: pubs:938955
Source identifiers:: 938955
Deposit date:: 2018-11-07

Terms of use

Copyright holder:: IOP Publishing Ltd
Copyright date:: 2018
Notes:: © 2018 IOP Publishing Ltd. This is the accepted manuscript version of the article. The final version is available online from IOP at: https://doi.org/10.1088/1361-648X/aaed96

Licence:: Terms and Conditions of Use for Oxford University Research Archive

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