Magnetocaloric effect in a Fe–Mn–Ga alloy
A magnetocaloric effect (MCE) due to adiabatic change of temperature was directly measured in an Fe47.1Mn26.1Ga26.8 alloy undergoing martensitic transformation. Its values in the high-temperature region were positive, while in the temperature range below temperatures of martensitic transformation, t...
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| Veröffentlicht in: | Journal of applied physics 2024-06, Vol.135 (24) |
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| container_title | Journal of applied physics |
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| creator | Kastil, J. Kamarad, J. Kolomiets, A. V. Konoplyuk, S. M. Kozlova, L. E. Perekos, A. O. Dzevin, E. |
| description | A magnetocaloric effect (MCE) due to adiabatic change of temperature was directly measured in an Fe47.1Mn26.1Ga26.8 alloy undergoing martensitic transformation. Its values in the high-temperature region were positive, while in the temperature range below temperatures of martensitic transformation, the adiabatic change of temperature in the magnetic field was negative. The x-ray diffraction analysis revealed the presence of a Heusler L21 (B2) phase and a γ-phase in the Fe47.1Mn26.1Ga26.8 alloy above temperature of martensitic transformation. The features of field-dependent magnetization and temperature variation in MCE indicate the occurrence of ferromagnetic-to-antiferromagnetic transition in the γ-phase, which is responsible for the observed inverse magnetocaloric effect. |
| doi_str_mv | 10.1063/5.0210643 |
| format | Article |
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The features of field-dependent magnetization and temperature variation in MCE indicate the occurrence of ferromagnetic-to-antiferromagnetic transition in the γ-phase, which is responsible for the observed inverse magnetocaloric effect.</description><identifier>ISSN: 0021-8979</identifier><identifier>EISSN: 1089-7550</identifier><identifier>DOI: 10.1063/5.0210643</identifier><identifier>CODEN: JAPIAU</identifier><language>eng</language><publisher>Melville: American Institute of Physics</publisher><subject>Adiabatic flow ; Antiferromagnetism ; Ferromagnetism ; Gamma phase ; High temperature ; Manganese base alloys ; Martensitic transformations ; Temperature dependence</subject><ispartof>Journal of applied physics, 2024-06, Vol.135 (24)</ispartof><rights>Author(s)</rights><rights>2024 Author(s). 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The features of field-dependent magnetization and temperature variation in MCE indicate the occurrence of ferromagnetic-to-antiferromagnetic transition in the γ-phase, which is responsible for the observed inverse magnetocaloric effect.</description><subject>Adiabatic flow</subject><subject>Antiferromagnetism</subject><subject>Ferromagnetism</subject><subject>Gamma phase</subject><subject>High temperature</subject><subject>Manganese base alloys</subject><subject>Martensitic transformations</subject><subject>Temperature dependence</subject><issn>0021-8979</issn><issn>1089-7550</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><recordid>eNp9kM1KAzEUhYMoOFYXvsGAK4WpuZPMJLOUYqvQ4kbXIb8yZZzUJF105zv4hj6JkenazbmHw8e5cBC6BjwH3JL7Zo7rbCg5QQVg3lWsafApKnCOK96x7hxdxLjFGICTrkDVRr6PNnktBx96XVrnrE5lP5ayXNqfr-_NmGUlSzkM_nCJzpwcor063hl6Wz6-Lp6q9cvqefGwrjTwOlW8bcCAU04TzKiiFBzT0IKVjTWKGccl5URRLZ1jYA0loDoDErAhRikgM3Qz9e6C_9zbmMTW78OYX4rcWHPO6g5n6naidPAxBuvELvQfMhwEYPG3hmjEcY3M3k1s1H2SqffjP_AvdlVe9A</recordid><startdate>20240628</startdate><enddate>20240628</enddate><creator>Kastil, J.</creator><creator>Kamarad, J.</creator><creator>Kolomiets, A. 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| source | Alma/SFX Local Collection |
| subjects | Adiabatic flow Antiferromagnetism Ferromagnetism Gamma phase High temperature Manganese base alloys Martensitic transformations Temperature dependence |
| title | Magnetocaloric effect in a Fe–Mn–Ga alloy |
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