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Identification of Curie temperature distributions in magnetic particulate systems

Identification of Curie temperature distributions in magnetic particulate systems
Identification of Curie temperature distributions in magnetic particulate systems
This paper develops a methodology for extracting the Curie temperature distribution from magnetisation versus temperature measurements which are realizable by standard laboratory magnetometry. The method is integral in nature, robust against various sources of measurement noise, and can be adopted to a wide range of granular magnetic materials and magnetic particle systems. The validity and practicality of the method is demonstrated using large-scale Monte–Carlo simulations of an Ising-like model as a proof of concept, and general conclusions are drawn about its applicability to different classes of systems and experimental conditions.
Curie temperature, Finite-size scaling, Identification, HAMR
0022-3727
Waters, Jonathon, Michael
654aacd1-a303-48a3-bcfe-4de10af2e34d
Berger, Andreas
93fbd72b-225f-43f4-9924-b123c865b58a
Kramer, Denis
1faae37a-fab7-4edd-99ee-ae4c30d3cde4
Fangohr, Hans
9b7cfab9-d5dc-45dc-947c-2eba5c81a160
Hovorka, Ondrej
a12bd550-ad45-4963-aa26-dd81dd1609ee
Waters, Jonathon, Michael
654aacd1-a303-48a3-bcfe-4de10af2e34d
Berger, Andreas
93fbd72b-225f-43f4-9924-b123c865b58a
Kramer, Denis
1faae37a-fab7-4edd-99ee-ae4c30d3cde4
Fangohr, Hans
9b7cfab9-d5dc-45dc-947c-2eba5c81a160
Hovorka, Ondrej
a12bd550-ad45-4963-aa26-dd81dd1609ee

Waters, Jonathon, Michael, Berger, Andreas, Kramer, Denis, Fangohr, Hans and Hovorka, Ondrej (2017) Identification of Curie temperature distributions in magnetic particulate systems. Journal of Physics D: Applied Physics, 50 (35). (doi:10.1088/1361-6463/aa7e38).

Record type: Article

Abstract

This paper develops a methodology for extracting the Curie temperature distribution from magnetisation versus temperature measurements which are realizable by standard laboratory magnetometry. The method is integral in nature, robust against various sources of measurement noise, and can be adopted to a wide range of granular magnetic materials and magnetic particle systems. The validity and practicality of the method is demonstrated using large-scale Monte–Carlo simulations of an Ising-like model as a proof of concept, and general conclusions are drawn about its applicability to different classes of systems and experimental conditions.

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J Waters Curie Dist - Accepted Manuscript
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More information

Accepted/In Press date: 7 July 2017
e-pub ahead of print date: 8 August 2017
Published date: August 2017
Keywords: Curie temperature, Finite-size scaling, Identification, HAMR

Identifiers

Local EPrints ID: 412200
URI: https://eprints.soton.ac.uk/id/eprint/412200
ISSN: 0022-3727
PURE UUID: e80f4941-d9e1-492b-b1c2-18ae8d088fde

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Date deposited: 13 Jul 2017 16:31
Last modified: 14 Mar 2019 05:46

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Contributors

Author: Jonathon, Michael Waters
Author: Andreas Berger
Author: Denis Kramer
Author: Hans Fangohr
Author: Ondrej Hovorka

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