Observation of a temperature dependent asymmetry in the domain structure of a Pd-doped FeRh epilayer
Using x-ray photoelectron emission microscopy we have observed the coexistence of ferromagnetic and antiferromagnetic phases in a (3 at%)Pd-doped FeRh epilayer. By quantitatively analyzing the resultant images we observe that as the epilayer transforms there is a change in magnetic domain symmetry f...
| Main Authors: | , , , , , , , , , , , , |
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| Format: | Article |
| Language: | English |
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IOP Publishing
2014-01-01
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| Series: | New Journal of Physics |
| Subjects: | |
| Online Access: | https://doi.org/10.1088/1367-2630/16/11/113073 |
| _version_ | 1797751430362169344 |
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| author | C J Kinane M Loving M A de Vries R Fan T R Charlton J S Claydon D A Arena F Maccherozzi S S Dhesi D Heiman C H Marrows L H Lewis Sean Langridge |
| author_facet | C J Kinane M Loving M A de Vries R Fan T R Charlton J S Claydon D A Arena F Maccherozzi S S Dhesi D Heiman C H Marrows L H Lewis Sean Langridge |
| author_sort | C J Kinane |
| collection | DOAJ |
| description | Using x-ray photoelectron emission microscopy we have observed the coexistence of ferromagnetic and antiferromagnetic phases in a (3 at%)Pd-doped FeRh epilayer. By quantitatively analyzing the resultant images we observe that as the epilayer transforms there is a change in magnetic domain symmetry from predominantly twofold at lower temperatures through to an equally weighted combination of both four and twofold symmetries at higher temperature. It is postulated that the lowered symmetry Ising-like nematic phase resides at the near-surface of the epilayer. This behavior is different to that of undoped FeRh suggesting that the variation in symmetry is driven by the competing structural and electronic interactions in the nanoscale FeRh film coupled with the effect of the chemical doping disorder. |
| first_indexed | 2024-03-12T16:49:25Z |
| format | Article |
| id | doaj.art-3fafe1b6d58644e8add7016ec4d95d4a |
| institution | Directory Open Access Journal |
| issn | 1367-2630 |
| language | English |
| last_indexed | 2024-03-12T16:49:25Z |
| publishDate | 2014-01-01 |
| publisher | IOP Publishing |
| record_format | Article |
| series | New Journal of Physics |
| spelling | doaj.art-3fafe1b6d58644e8add7016ec4d95d4a2023-08-08T11:25:18ZengIOP PublishingNew Journal of Physics1367-26302014-01-01161111307310.1088/1367-2630/16/11/113073Observation of a temperature dependent asymmetry in the domain structure of a Pd-doped FeRh epilayerC J Kinane0M Loving1M A de Vries2R Fan3T R Charlton4J S Claydon5D A Arena6F Maccherozzi7S S Dhesi8D Heiman9C H Marrows10L H Lewis11Sean Langridge12ISIS, Rutherford Appleton Laboratory , Harwell Science and Innovation Campus, Science and Technology Facilities Council, Oxon, OX11 0QX, UKDepartment of Chemical Engineering, Northeastern University , Boston, MA 02115, USASchool of Physics and Astronomy, University of Leeds , Leeds LS2 9JT, UKISIS, Rutherford Appleton Laboratory , Harwell Science and Innovation Campus, Science and Technology Facilities Council, Oxon, OX11 0QX, UKISIS, Rutherford Appleton Laboratory , Harwell Science and Innovation Campus, Science and Technology Facilities Council, Oxon, OX11 0QX, UKSchool of Physics and Astronomy, University of Leeds , Leeds LS2 9JT, UKNational Synchrotron Light Source, Brookhaven National Laboratory , Upton, NY 11973-5000, USADiamond Light Source Ltd, Harwell Science and Innovation Campus , Didcot, Oxfordshire OX11 0DE, UKDiamond Light Source Ltd, Harwell Science and Innovation Campus , Didcot, Oxfordshire OX11 0DE, UKDepartment of Physics, Northeastern University , Boston, MA 02115, USASchool of Physics and Astronomy, University of Leeds , Leeds LS2 9JT, UKDepartment of Chemical Engineering, Northeastern University , Boston, MA 02115, USAISIS, Rutherford Appleton Laboratory , Harwell Science and Innovation Campus, Science and Technology Facilities Council, Oxon, OX11 0QX, UKUsing x-ray photoelectron emission microscopy we have observed the coexistence of ferromagnetic and antiferromagnetic phases in a (3 at%)Pd-doped FeRh epilayer. By quantitatively analyzing the resultant images we observe that as the epilayer transforms there is a change in magnetic domain symmetry from predominantly twofold at lower temperatures through to an equally weighted combination of both four and twofold symmetries at higher temperature. It is postulated that the lowered symmetry Ising-like nematic phase resides at the near-surface of the epilayer. This behavior is different to that of undoped FeRh suggesting that the variation in symmetry is driven by the competing structural and electronic interactions in the nanoscale FeRh film coupled with the effect of the chemical doping disorder.https://doi.org/10.1088/1367-2630/16/11/113073FeRhmagnetic thin filmsmagnetic phase transitionsnucleationferromagnetismantiferromagnetism |
| spellingShingle | C J Kinane M Loving M A de Vries R Fan T R Charlton J S Claydon D A Arena F Maccherozzi S S Dhesi D Heiman C H Marrows L H Lewis Sean Langridge Observation of a temperature dependent asymmetry in the domain structure of a Pd-doped FeRh epilayer New Journal of Physics FeRh magnetic thin films magnetic phase transitions nucleation ferromagnetism antiferromagnetism |
| title | Observation of a temperature dependent asymmetry in the domain structure of a Pd-doped FeRh epilayer |
| title_full | Observation of a temperature dependent asymmetry in the domain structure of a Pd-doped FeRh epilayer |
| title_fullStr | Observation of a temperature dependent asymmetry in the domain structure of a Pd-doped FeRh epilayer |
| title_full_unstemmed | Observation of a temperature dependent asymmetry in the domain structure of a Pd-doped FeRh epilayer |
| title_short | Observation of a temperature dependent asymmetry in the domain structure of a Pd-doped FeRh epilayer |
| title_sort | observation of a temperature dependent asymmetry in the domain structure of a pd doped ferh epilayer |
| topic | FeRh magnetic thin films magnetic phase transitions nucleation ferromagnetism antiferromagnetism |
| url | https://doi.org/10.1088/1367-2630/16/11/113073 |
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