Effect of Phase Transition Type on the Magnetocaloric Effect and Magnetic Hysteresis in Er(Co1-xMnx)2 Laves Alloys.
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| Title: | Effect of Phase Transition Type on the Magnetocaloric Effect and Magnetic Hysteresis in Er(Co |
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| Authors: | Dai, H. Y.1 (AUTHOR), Zu, Z. H.1 (AUTHOR), Chu, Y. K.1 (AUTHOR), Cui, R. J.1 (AUTHOR) crj@cslg.edu.cn, Han, Z. D.2 (AUTHOR) han@cslg.edu.cn |
| Source: | Journal of Superconductivity & Novel Magnetism. Feb2025, Vol. 38 Issue 1, p1-6. 6p. |
| Abstract: | As magnetic refrigerants, first-order transition (FOT) and second-order transition (SOT) materials possess distinct advantages and disadvantages. If the phase transition can be tuned to the critical point between FOT and SOT, it may be possible to combine the benefits of both, thereby achieving an outstanding magnetocaloric effect. Here, we demonstrated this approach through phase transition engineering in Er(Co1-xMnx)2 alloys. When x ≤ 0.06, the magnetic phase transition of the samples was FOT, exhibiting a significant magnetic entropy change. However, at x = 0.08, the samples underwent a SOT from ferromagnetic to paramagnetic, leading to a substantial reduction in the magnetocaloric effect. At the critical point of the FOT/SOT border with x = 0.06, the sample exhibited a large magnetic entropy change along with negligible magnetic hysteresis. This work demonstrates that the critical point between FOT and SOT is an effective means of achieving an excellent magnetocaloric effect. [ABSTRACT FROM AUTHOR] |
| Copyright of Journal of Superconductivity & Novel Magnetism is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.) | |
| Database: | Engineering Source |
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| Header | DbId: egs DbLabel: Engineering Source An: 181900133 AccessLevel: 6 PubType: Academic Journal PubTypeId: academicJournal PreciseRelevancyScore: 0 |
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| Items | – Name: Title Label: Title Group: Ti Data: Effect of Phase Transition Type on the Magnetocaloric Effect and Magnetic Hysteresis in Er(Co<subscript>1-x</subscript>Mn<subscript>x</subscript>)<subscript>2</subscript> Laves Alloys. – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Dai%2C+H%2E+Y%2E%22">Dai, H. Y.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zu%2C+Z%2E+H%2E%22">Zu, Z. H.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Chu%2C+Y%2E+K%2E%22">Chu, Y. K.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Cui%2C+R%2E+J%2E%22">Cui, R. J.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> crj@cslg.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Han%2C+Z%2E+D%2E%22">Han, Z. D.</searchLink><relatesTo>2</relatesTo> (AUTHOR)<i> han@cslg.edu.cn</i> – Name: TitleSource Label: Source Group: Src Data: <searchLink fieldCode="JN" term="%22Journal+of+Superconductivity+%26+Novel+Magnetism%22">Journal of Superconductivity & Novel Magnetism</searchLink>. Feb2025, Vol. 38 Issue 1, p1-6. 6p. – Name: Abstract Label: Abstract Group: Ab Data: As magnetic refrigerants, first-order transition (FOT) and second-order transition (SOT) materials possess distinct advantages and disadvantages. If the phase transition can be tuned to the critical point between FOT and SOT, it may be possible to combine the benefits of both, thereby achieving an outstanding magnetocaloric effect. Here, we demonstrated this approach through phase transition engineering in Er(Co1-xMnx)2 alloys. When x ≤ 0.06, the magnetic phase transition of the samples was FOT, exhibiting a significant magnetic entropy change. However, at x = 0.08, the samples underwent a SOT from ferromagnetic to paramagnetic, leading to a substantial reduction in the magnetocaloric effect. At the critical point of the FOT/SOT border with x = 0.06, the sample exhibited a large magnetic entropy change along with negligible magnetic hysteresis. This work demonstrates that the critical point between FOT and SOT is an effective means of achieving an excellent magnetocaloric effect. [ABSTRACT FROM AUTHOR] – Name: AbstractSuppliedCopyright Label: Group: Ab Data: <i>Copyright of Journal of Superconductivity & Novel Magnetism is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.) |
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| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.1007/s10948-024-06888-2 Languages: – Code: eng Text: English PhysicalDescription: Pagination: PageCount: 6 StartPage: 1 Titles: – TitleFull: Effect of Phase Transition Type on the Magnetocaloric Effect and Magnetic Hysteresis in Er(Co1-xMnx)2 Laves Alloys. Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Dai, H. Y. – PersonEntity: Name: NameFull: Zu, Z. H. – PersonEntity: Name: NameFull: Chu, Y. K. – PersonEntity: Name: NameFull: Cui, R. J. – PersonEntity: Name: NameFull: Han, Z. D. IsPartOfRelationships: – BibEntity: Dates: – D: 01 M: 02 Text: Feb2025 Type: published Y: 2025 Identifiers: – Type: issn-print Value: 15571939 Numbering: – Type: volume Value: 38 – Type: issue Value: 1 Titles: – TitleFull: Journal of Superconductivity & Novel Magnetism Type: main |
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