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Title: Phase Coexistence and Kinetic Arrest in the Magnetostructural Transition of the Ordered Alloy FeRh

Abstract

In materials where two or more ordering degrees of freedom are closely matched in their free energies, coupling between them, or multiferroic behavior can occur. These phenomena can produce a very rich phase behavior, as well as emergent phases that offer useful properties and opportunities to reveal novel phenomena in phase transitions. The ordered alloy FeRh undergoes an antiferromagnetic to ferromagnetic phase transition at ~375 K, which illustrates the interplay between structural and magnetic order mediated by a delicate energy balance between two configurations. We have examined this transition using a combination of high-resolution x-ray structural and magnetic imaging and comprehensive x-ray magnetic circular dichroism spectroscopy. We find that the transition proceeds via a defect-driven domain nucleation and growth mechanism, with significant return point memory in both the structural and magnetic domain configurations. In conclusion, the domains show evidence of inhibited growth after nucleation, resulting in a quasi-2nd order temperature behavior.

Authors:
 [1];  [1];  [1];  [2];  [3]; ORCiD logo [2];  [1];  [1]
  1. Argonne National Lab. (ANL), Argonne, IL (United States)
  2. Univ. of California San Diego, La Jolla, CA (United States)
  3. Univ. of South Florida, Tampa, FL (United States)
Publication Date:
Research Org.:
Argonne National Laboratory (ANL), Argonne, IL (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
OSTI Identifier:
1422398
Grant/Contract Number:  
AC02-06CH11357
Resource Type:
Accepted Manuscript
Journal Name:
Scientific Reports
Additional Journal Information:
Journal Volume: 8; Journal Issue: 1; Journal ID: ISSN 2045-2322
Publisher:
Nature Publishing Group
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE

Citation Formats

Keavney, David J., Choi, Yongseong, Holt, Martin V., Uhlir, Vojtech, Arena, Dario, Fullerton, Eric E., Ryan, Philip J., and Kim, Jong -Woo. Phase Coexistence and Kinetic Arrest in the Magnetostructural Transition of the Ordered Alloy FeRh. United States: N. p., 2018. Web. doi:10.1038/s41598-018-20101-0.
Keavney, David J., Choi, Yongseong, Holt, Martin V., Uhlir, Vojtech, Arena, Dario, Fullerton, Eric E., Ryan, Philip J., & Kim, Jong -Woo. Phase Coexistence and Kinetic Arrest in the Magnetostructural Transition of the Ordered Alloy FeRh. United States. https://doi.org/10.1038/s41598-018-20101-0
Keavney, David J., Choi, Yongseong, Holt, Martin V., Uhlir, Vojtech, Arena, Dario, Fullerton, Eric E., Ryan, Philip J., and Kim, Jong -Woo. Mon . "Phase Coexistence and Kinetic Arrest in the Magnetostructural Transition of the Ordered Alloy FeRh". United States. https://doi.org/10.1038/s41598-018-20101-0. https://www.osti.gov/servlets/purl/1422398.
@article{osti_1422398,
title = {Phase Coexistence and Kinetic Arrest in the Magnetostructural Transition of the Ordered Alloy FeRh},
author = {Keavney, David J. and Choi, Yongseong and Holt, Martin V. and Uhlir, Vojtech and Arena, Dario and Fullerton, Eric E. and Ryan, Philip J. and Kim, Jong -Woo},
abstractNote = {In materials where two or more ordering degrees of freedom are closely matched in their free energies, coupling between them, or multiferroic behavior can occur. These phenomena can produce a very rich phase behavior, as well as emergent phases that offer useful properties and opportunities to reveal novel phenomena in phase transitions. The ordered alloy FeRh undergoes an antiferromagnetic to ferromagnetic phase transition at ~375 K, which illustrates the interplay between structural and magnetic order mediated by a delicate energy balance between two configurations. We have examined this transition using a combination of high-resolution x-ray structural and magnetic imaging and comprehensive x-ray magnetic circular dichroism spectroscopy. We find that the transition proceeds via a defect-driven domain nucleation and growth mechanism, with significant return point memory in both the structural and magnetic domain configurations. In conclusion, the domains show evidence of inhibited growth after nucleation, resulting in a quasi-2nd order temperature behavior.},
doi = {10.1038/s41598-018-20101-0},
journal = {Scientific Reports},
number = 1,
volume = 8,
place = {United States},
year = {Mon Jan 29 00:00:00 EST 2018},
month = {Mon Jan 29 00:00:00 EST 2018}
}

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Cited by: 21 works
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Works referenced in this record:

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Works referencing / citing this record:

Strain and voltage control of magnetic and electric properties of FeRh films
journal, October 2019

  • Fina, Ignasi; Fontcuberta, Josep
  • Journal of Physics D: Applied Physics, Vol. 53, Issue 2
  • DOI: 10.1088/1361-6463/ab4abd

Preserving Metamagnetism in Self-Assembled FeRh Nanomagnets
journal, January 2023

  • Motyčková, Lucie; Arregi, Jon Ander; Staňo, Michal
  • ACS Applied Materials & Interfaces, Vol. 15, Issue 6
  • DOI: 10.1021/acsami.2c20107

Asymmetric magnetic relaxation behavior of domains and domain walls observed through the FeRh first-order metamagnetic phase transition
journal, October 2020