Magnetic and magnetocaloric properties of SmxGd1-xMn2Si2
The magnetic and magnetocaloric properties of Gd1-xSmxMn2Si2 compounds with 0 < =x < =1 have been studied to determine their suitability as magnetic refrigerant materials. The rare earth ordering temperatures are found to decrease from 60K for x=0 to 37K for x=1. The temperature variations of...
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| Veröffentlicht in: | Journal of alloys and compounds 2007-01, Vol.427 (1-2), p.42-45 |
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| container_title | Journal of alloys and compounds |
| container_volume | 427 |
| creator | KUMAR, Pramod SINGH, Niraj K SURESH, K. G NIGAM, A. K |
| description | The magnetic and magnetocaloric properties of Gd1-xSmxMn2Si2 compounds with 0 < =x < =1 have been studied to determine their suitability as magnetic refrigerant materials. The rare earth ordering temperatures are found to decrease from 60K for x=0 to 37K for x=1. The temperature variations of magnetization under 'field-cooled' and 'zero-field-cooled' conditions are found to differ slightly, indicating a small thermomagnetic irreversibility. Magnetocaloric effect is calculated in terms of isothermal magnetic entropy change (DeltaSM) using the magnetization isotherms. The maximum values of DeltaSM are found to be 5.9Jkg-1K-1 in GdMn2Si2 and 3.4Jkg-1K-1 in SmMn2Si2. |
| doi_str_mv | 10.1016/j.jallcom.2006.03.025 |
| format | Article |
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G ; NIGAM, A. K</creator><creatorcontrib>KUMAR, Pramod ; SINGH, Niraj K ; SURESH, K. G ; NIGAM, A. K</creatorcontrib><description>The magnetic and magnetocaloric properties of Gd1-xSmxMn2Si2 compounds with 0 < =x < =1 have been studied to determine their suitability as magnetic refrigerant materials. The rare earth ordering temperatures are found to decrease from 60K for x=0 to 37K for x=1. The temperature variations of magnetization under 'field-cooled' and 'zero-field-cooled' conditions are found to differ slightly, indicating a small thermomagnetic irreversibility. Magnetocaloric effect is calculated in terms of isothermal magnetic entropy change (DeltaSM) using the magnetization isotherms. 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| language | eng |
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| source | Elsevier ScienceDirect Journals Complete |
| subjects | Condensed matter: electronic structure, electrical, magnetic, and optical properties Exact sciences and technology Magnetic properties and materials Magnetically ordered materials: other intrinsic properties Magnetocaloric effect, magnetic cooling Physics |
| title | Magnetic and magnetocaloric properties of SmxGd1-xMn2Si2 |
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