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|Title:||The giant magnetocaloric effect in Gd5Si2Ge 2 with low purity gadolinium|
|Citation:||Zhang, T., Chen, Y., Fu, H., Teng, B., Tang, Y., Tu, M. (2005). The giant magnetocaloric effect in Gd5Si2Ge 2 with low purity gadolinium. Chinese Science Bulletin 50 (16) : 1811-1814. ScholarBank@NUS Repository. https://doi.org/10.1360/982005-349|
|Abstract:||The giant magnetocaloric effect Gd5Si2Ge2 alloy was prepared with 99wt% low purity commercial Gd. Powder XRD and magnetic measurements showed that the Gd5Si2Ge2 alloy annealed at 1200°C for 1 h had a significant magnetic- crystallographic first order phase transition at about 270 K. The maximal magnetic entropy change is 17.55 J · kg-1 · K-1 under a magnetic field change of 0-5 T. The distinct increase of magnetic entropy change belongs to the first-order phase transition from the orthorhombic Gd5Si 4-type to the monoclinic Gd5Si2Ge 2-type after high temperature heat-treatment.|
|Source Title:||Chinese Science Bulletin|
|Appears in Collections:||Staff Publications|
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