Sub-Kelvin magnetic order in Sm sub(3)Ga sub(5)O sub(12) single crystal

The garnets remain one of the most studied classes of materials due to their technological applications. While many studies have focused on the low temperature properties of rare-earth containing garnets such as Gd sub(3)Ga sub(5)O sub(12), there are relatively few studies concerning the low-tempera...

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Bibliographic Details
Published in:Journal of magnetism and magnetic materials 2015-06, Vol.384, p.235-240
Main Authors: Sharma, A Z, Silverstein, H J, Hallas, A M, Luke, G M, Wiebe, C R
Format: Article
Language:English
Subjects:
Garnets
Heat capacity
Magnetic permeability
Magnetic properties
Magnetism
Rare earth metals
Single crystals
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Summary:The garnets remain one of the most studied classes of materials due to their technological applications. While many studies have focused on the low temperature properties of rare-earth containing garnets such as Gd sub(3)Ga sub(5)O sub(12), there are relatively few studies concerning the low-temperature magnetic properties of garnets with lighter rare-earth ions such as Sm super(3+), with the majority of those studies having been done on powders only. Sm sub(3)Ga sub(5)O sub(12) was prepared via standard solid-state reaction and a single crystal was grown using the floating zone technique. Magnetic susceptibility and low temperature heat capacity measurements show that Sm sub(3)Ga sub(5)O sub(12) orders below 1 K and behaves like an effective S= 1/2 system with negligible anisotropy.
ISSN:0304-8853
DOI:10.1016/j.jmmm.2015.02.003