The influence of magnetocrystalline anisotropy on the magnetocaloric effect: A case study on Co 2 B
The influence of magnetocrystalline anisotropy on the magnetocaloric effect (MCE) was studied on single crystals of Co2B and compared to measurements on polycrystalline samples. Large differences in adiabatic temperature change Δ T a d and magnetic entropy change Δ S M were found along the different...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Fries, M [verfasserIn] |
|---|
| Format: |
Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2016 |
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| Rechteinformationen: |
Nutzungsrecht: © Author(s) |
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| Übergeordnetes Werk: |
Enthalten in: Applied physics letters - Melville, NY : AIP, 1962, 109(2016), 23 |
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| Übergeordnetes Werk: |
volume:109 ; year:2016 ; number:23 |
| Links: |
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| DOI / URN: |
10.1063/1.4971839 |
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OLC1987021517 |
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| 520 | |a The influence of magnetocrystalline anisotropy on the magnetocaloric effect (MCE) was studied on single crystals of Co2B and compared to measurements on polycrystalline samples. Large differences in adiabatic temperature change Δ T a d and magnetic entropy change Δ S M were found along the different crystallographic directions. The magnetocaloric effect differs by 40% in the case of Δ T a d in a field change of 1.9 T when applying the field along the hard axis and easy plane of magnetization. In the case of Δ S M , the values differ 50% and 35% from each other in field changes of 1 and 1.9 T, respectively. It was found that this anisotropy effect does not saturate in fields up to 4 T, which is higher than the anisotropy field of Co2B ( ≈ 2 T). A simple model was developed to illustrate the possible effect on magnetocrystalline anisotropy, showing large differences especially in application relevant fields of about 1 T. The results strongly suggest that the MCE could be maximized when orienting single crystalline powders in an easy axis parallel to the applied field in active magnetocaloric regenerator structures, and therefore the overall device efficiency could be increased. | ||
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10.1063/1.4971839 doi PQ20170501 (DE-627)OLC1987021517 (DE-599)GBVOLC1987021517 (PRQ)scitation_primary_10_1063_1_49718390 (KEY)0013165220160000109002300000influenceofmagnetocrystallineanisotropyonthemagnet DE-627 ger DE-627 rakwb eng 530 DNB Fries, M verfasserin aut The influence of magnetocrystalline anisotropy on the magnetocaloric effect: A case study on Co 2 B 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier The influence of magnetocrystalline anisotropy on the magnetocaloric effect (MCE) was studied on single crystals of Co2B and compared to measurements on polycrystalline samples. Large differences in adiabatic temperature change Δ T a d and magnetic entropy change Δ S M were found along the different crystallographic directions. The magnetocaloric effect differs by 40% in the case of Δ T a d in a field change of 1.9 T when applying the field along the hard axis and easy plane of magnetization. In the case of Δ S M , the values differ 50% and 35% from each other in field changes of 1 and 1.9 T, respectively. It was found that this anisotropy effect does not saturate in fields up to 4 T, which is higher than the anisotropy field of Co2B ( ≈ 2 T). A simple model was developed to illustrate the possible effect on magnetocrystalline anisotropy, showing large differences especially in application relevant fields of about 1 T. The results strongly suggest that the MCE could be maximized when orienting single crystalline powders in an easy axis parallel to the applied field in active magnetocaloric regenerator structures, and therefore the overall device efficiency could be increased. Nutzungsrecht: © Author(s) Skokov, K. P oth Karpenkov, D. Yu oth Franco, V oth Ener, S oth Gutfleisch, O oth Enthalten in Applied physics letters Melville, NY : AIP, 1962 109(2016), 23 (DE-627)12951568X (DE-600)211245-0 (DE-576)014926210 0003-6951 nnns volume:109 year:2016 number:23 http://dx.doi.org/10.1063/1.4971839 Volltext http://dx.doi.org/10.1063/1.4971839 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY GBV_ILN_21 GBV_ILN_32 GBV_ILN_55 GBV_ILN_70 GBV_ILN_2004 GBV_ILN_2192 GBV_ILN_2279 GBV_ILN_4319 AR 109 2016 23 |
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10.1063/1.4971839 doi PQ20170501 (DE-627)OLC1987021517 (DE-599)GBVOLC1987021517 (PRQ)scitation_primary_10_1063_1_49718390 (KEY)0013165220160000109002300000influenceofmagnetocrystallineanisotropyonthemagnet DE-627 ger DE-627 rakwb eng 530 DNB Fries, M verfasserin aut The influence of magnetocrystalline anisotropy on the magnetocaloric effect: A case study on Co 2 B 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier The influence of magnetocrystalline anisotropy on the magnetocaloric effect (MCE) was studied on single crystals of Co2B and compared to measurements on polycrystalline samples. Large differences in adiabatic temperature change Δ T a d and magnetic entropy change Δ S M were found along the different crystallographic directions. The magnetocaloric effect differs by 40% in the case of Δ T a d in a field change of 1.9 T when applying the field along the hard axis and easy plane of magnetization. In the case of Δ S M , the values differ 50% and 35% from each other in field changes of 1 and 1.9 T, respectively. It was found that this anisotropy effect does not saturate in fields up to 4 T, which is higher than the anisotropy field of Co2B ( ≈ 2 T). A simple model was developed to illustrate the possible effect on magnetocrystalline anisotropy, showing large differences especially in application relevant fields of about 1 T. The results strongly suggest that the MCE could be maximized when orienting single crystalline powders in an easy axis parallel to the applied field in active magnetocaloric regenerator structures, and therefore the overall device efficiency could be increased. Nutzungsrecht: © Author(s) Skokov, K. P oth Karpenkov, D. Yu oth Franco, V oth Ener, S oth Gutfleisch, O oth Enthalten in Applied physics letters Melville, NY : AIP, 1962 109(2016), 23 (DE-627)12951568X (DE-600)211245-0 (DE-576)014926210 0003-6951 nnns volume:109 year:2016 number:23 http://dx.doi.org/10.1063/1.4971839 Volltext http://dx.doi.org/10.1063/1.4971839 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY GBV_ILN_21 GBV_ILN_32 GBV_ILN_55 GBV_ILN_70 GBV_ILN_2004 GBV_ILN_2192 GBV_ILN_2279 GBV_ILN_4319 AR 109 2016 23 |
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10.1063/1.4971839 doi PQ20170501 (DE-627)OLC1987021517 (DE-599)GBVOLC1987021517 (PRQ)scitation_primary_10_1063_1_49718390 (KEY)0013165220160000109002300000influenceofmagnetocrystallineanisotropyonthemagnet DE-627 ger DE-627 rakwb eng 530 DNB Fries, M verfasserin aut The influence of magnetocrystalline anisotropy on the magnetocaloric effect: A case study on Co 2 B 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier The influence of magnetocrystalline anisotropy on the magnetocaloric effect (MCE) was studied on single crystals of Co2B and compared to measurements on polycrystalline samples. Large differences in adiabatic temperature change Δ T a d and magnetic entropy change Δ S M were found along the different crystallographic directions. The magnetocaloric effect differs by 40% in the case of Δ T a d in a field change of 1.9 T when applying the field along the hard axis and easy plane of magnetization. In the case of Δ S M , the values differ 50% and 35% from each other in field changes of 1 and 1.9 T, respectively. It was found that this anisotropy effect does not saturate in fields up to 4 T, which is higher than the anisotropy field of Co2B ( ≈ 2 T). A simple model was developed to illustrate the possible effect on magnetocrystalline anisotropy, showing large differences especially in application relevant fields of about 1 T. The results strongly suggest that the MCE could be maximized when orienting single crystalline powders in an easy axis parallel to the applied field in active magnetocaloric regenerator structures, and therefore the overall device efficiency could be increased. Nutzungsrecht: © Author(s) Skokov, K. P oth Karpenkov, D. Yu oth Franco, V oth Ener, S oth Gutfleisch, O oth Enthalten in Applied physics letters Melville, NY : AIP, 1962 109(2016), 23 (DE-627)12951568X (DE-600)211245-0 (DE-576)014926210 0003-6951 nnns volume:109 year:2016 number:23 http://dx.doi.org/10.1063/1.4971839 Volltext http://dx.doi.org/10.1063/1.4971839 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY GBV_ILN_21 GBV_ILN_32 GBV_ILN_55 GBV_ILN_70 GBV_ILN_2004 GBV_ILN_2192 GBV_ILN_2279 GBV_ILN_4319 AR 109 2016 23 |
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10.1063/1.4971839 doi PQ20170501 (DE-627)OLC1987021517 (DE-599)GBVOLC1987021517 (PRQ)scitation_primary_10_1063_1_49718390 (KEY)0013165220160000109002300000influenceofmagnetocrystallineanisotropyonthemagnet DE-627 ger DE-627 rakwb eng 530 DNB Fries, M verfasserin aut The influence of magnetocrystalline anisotropy on the magnetocaloric effect: A case study on Co 2 B 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier The influence of magnetocrystalline anisotropy on the magnetocaloric effect (MCE) was studied on single crystals of Co2B and compared to measurements on polycrystalline samples. Large differences in adiabatic temperature change Δ T a d and magnetic entropy change Δ S M were found along the different crystallographic directions. The magnetocaloric effect differs by 40% in the case of Δ T a d in a field change of 1.9 T when applying the field along the hard axis and easy plane of magnetization. In the case of Δ S M , the values differ 50% and 35% from each other in field changes of 1 and 1.9 T, respectively. It was found that this anisotropy effect does not saturate in fields up to 4 T, which is higher than the anisotropy field of Co2B ( ≈ 2 T). A simple model was developed to illustrate the possible effect on magnetocrystalline anisotropy, showing large differences especially in application relevant fields of about 1 T. The results strongly suggest that the MCE could be maximized when orienting single crystalline powders in an easy axis parallel to the applied field in active magnetocaloric regenerator structures, and therefore the overall device efficiency could be increased. Nutzungsrecht: © Author(s) Skokov, K. P oth Karpenkov, D. Yu oth Franco, V oth Ener, S oth Gutfleisch, O oth Enthalten in Applied physics letters Melville, NY : AIP, 1962 109(2016), 23 (DE-627)12951568X (DE-600)211245-0 (DE-576)014926210 0003-6951 nnns volume:109 year:2016 number:23 http://dx.doi.org/10.1063/1.4971839 Volltext http://dx.doi.org/10.1063/1.4971839 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY GBV_ILN_21 GBV_ILN_32 GBV_ILN_55 GBV_ILN_70 GBV_ILN_2004 GBV_ILN_2192 GBV_ILN_2279 GBV_ILN_4319 AR 109 2016 23 |
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10.1063/1.4971839 doi PQ20170501 (DE-627)OLC1987021517 (DE-599)GBVOLC1987021517 (PRQ)scitation_primary_10_1063_1_49718390 (KEY)0013165220160000109002300000influenceofmagnetocrystallineanisotropyonthemagnet DE-627 ger DE-627 rakwb eng 530 DNB Fries, M verfasserin aut The influence of magnetocrystalline anisotropy on the magnetocaloric effect: A case study on Co 2 B 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier The influence of magnetocrystalline anisotropy on the magnetocaloric effect (MCE) was studied on single crystals of Co2B and compared to measurements on polycrystalline samples. Large differences in adiabatic temperature change Δ T a d and magnetic entropy change Δ S M were found along the different crystallographic directions. The magnetocaloric effect differs by 40% in the case of Δ T a d in a field change of 1.9 T when applying the field along the hard axis and easy plane of magnetization. In the case of Δ S M , the values differ 50% and 35% from each other in field changes of 1 and 1.9 T, respectively. It was found that this anisotropy effect does not saturate in fields up to 4 T, which is higher than the anisotropy field of Co2B ( ≈ 2 T). A simple model was developed to illustrate the possible effect on magnetocrystalline anisotropy, showing large differences especially in application relevant fields of about 1 T. The results strongly suggest that the MCE could be maximized when orienting single crystalline powders in an easy axis parallel to the applied field in active magnetocaloric regenerator structures, and therefore the overall device efficiency could be increased. Nutzungsrecht: © Author(s) Skokov, K. P oth Karpenkov, D. Yu oth Franco, V oth Ener, S oth Gutfleisch, O oth Enthalten in Applied physics letters Melville, NY : AIP, 1962 109(2016), 23 (DE-627)12951568X (DE-600)211245-0 (DE-576)014926210 0003-6951 nnns volume:109 year:2016 number:23 http://dx.doi.org/10.1063/1.4971839 Volltext http://dx.doi.org/10.1063/1.4971839 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY GBV_ILN_21 GBV_ILN_32 GBV_ILN_55 GBV_ILN_70 GBV_ILN_2004 GBV_ILN_2192 GBV_ILN_2279 GBV_ILN_4319 AR 109 2016 23 |
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Fries, M |
| doi_str_mv |
10.1063/1.4971839 |
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530 |
| title_sort |
influence of magnetocrystalline anisotropy on the magnetocaloric effect: a case study on co 2 b |
| title_auth |
The influence of magnetocrystalline anisotropy on the magnetocaloric effect: A case study on Co 2 B |
| abstract |
The influence of magnetocrystalline anisotropy on the magnetocaloric effect (MCE) was studied on single crystals of Co2B and compared to measurements on polycrystalline samples. Large differences in adiabatic temperature change Δ T a d and magnetic entropy change Δ S M were found along the different crystallographic directions. The magnetocaloric effect differs by 40% in the case of Δ T a d in a field change of 1.9 T when applying the field along the hard axis and easy plane of magnetization. In the case of Δ S M , the values differ 50% and 35% from each other in field changes of 1 and 1.9 T, respectively. It was found that this anisotropy effect does not saturate in fields up to 4 T, which is higher than the anisotropy field of Co2B ( ≈ 2 T). A simple model was developed to illustrate the possible effect on magnetocrystalline anisotropy, showing large differences especially in application relevant fields of about 1 T. The results strongly suggest that the MCE could be maximized when orienting single crystalline powders in an easy axis parallel to the applied field in active magnetocaloric regenerator structures, and therefore the overall device efficiency could be increased. |
| abstractGer |
The influence of magnetocrystalline anisotropy on the magnetocaloric effect (MCE) was studied on single crystals of Co2B and compared to measurements on polycrystalline samples. Large differences in adiabatic temperature change Δ T a d and magnetic entropy change Δ S M were found along the different crystallographic directions. The magnetocaloric effect differs by 40% in the case of Δ T a d in a field change of 1.9 T when applying the field along the hard axis and easy plane of magnetization. In the case of Δ S M , the values differ 50% and 35% from each other in field changes of 1 and 1.9 T, respectively. It was found that this anisotropy effect does not saturate in fields up to 4 T, which is higher than the anisotropy field of Co2B ( ≈ 2 T). A simple model was developed to illustrate the possible effect on magnetocrystalline anisotropy, showing large differences especially in application relevant fields of about 1 T. The results strongly suggest that the MCE could be maximized when orienting single crystalline powders in an easy axis parallel to the applied field in active magnetocaloric regenerator structures, and therefore the overall device efficiency could be increased. |
| abstract_unstemmed |
The influence of magnetocrystalline anisotropy on the magnetocaloric effect (MCE) was studied on single crystals of Co2B and compared to measurements on polycrystalline samples. Large differences in adiabatic temperature change Δ T a d and magnetic entropy change Δ S M were found along the different crystallographic directions. The magnetocaloric effect differs by 40% in the case of Δ T a d in a field change of 1.9 T when applying the field along the hard axis and easy plane of magnetization. In the case of Δ S M , the values differ 50% and 35% from each other in field changes of 1 and 1.9 T, respectively. It was found that this anisotropy effect does not saturate in fields up to 4 T, which is higher than the anisotropy field of Co2B ( ≈ 2 T). A simple model was developed to illustrate the possible effect on magnetocrystalline anisotropy, showing large differences especially in application relevant fields of about 1 T. The results strongly suggest that the MCE could be maximized when orienting single crystalline powders in an easy axis parallel to the applied field in active magnetocaloric regenerator structures, and therefore the overall device efficiency could be increased. |
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| container_issue |
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| title_short |
The influence of magnetocrystalline anisotropy on the magnetocaloric effect: A case study on Co 2 B |
| url |
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Skokov, K. P Karpenkov, D. Yu Franco, V Ener, S Gutfleisch, O |
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