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Structural and cryogenic magnetic properties in AGd(MoO4)2 (A = Li, Na and K) compounds.
- Source :
-
Ceramics International . Dec2019:Part A, Vol. 45, p21735-21741. 7p. - Publication Year :
- 2019
-
Abstract
- The crystal structure, magnetic properties and magnetocaloric effect (MCE) in A Gd(MoO 4) 2 compounds with A = Li, Na and K were investigated in detail. The X-ray diffraction (XRD) results suggest that all the A Gd(MoO 4) 2 compounds are single phased. The LiGd(MoO 4) 2 and NaGd(MoO 4) 2 crystallize in the tetragonal structure, whereas the KGd(MoO 4) 2 crystallizes in a triclinic structure. All compounds are composed of numerous irregular small particles and the corresponding constituent elements are distributed uniformly. Additionally, all compounds exhibit pronounced MCE at cryogenic temperatures. The maximum magnetic entropy change − Δ S M max values of the A Gd(MoO 4) 2 series compounds reach 33.6, 36.4 and 32.4 J/kg K @ 2.5 K with the Δ H of 0–7 T for A = Li, Na and K, respectively. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 02728842
- Volume :
- 45
- Database :
- Academic Search Index
- Journal :
- Ceramics International
- Publication Type :
- Academic Journal
- Accession number :
- 139097547
- Full Text :
- https://doi.org/10.1016/j.ceramint.2019.07.174