Please use this identifier to cite or link to this item: https://doi.org/10.1360/982005-349
Title: The giant magnetocaloric effect in Gd5Si2Ge 2 with low purity gadolinium
Authors: Zhang, T.
Chen, Y.
Fu, H.
Teng, B. 
Tang, Y.
Tu, M.
Keywords: Gd5Si2Ge2
Magnetic refrigerant
Magnetocaloric effect
Issue Date: 2005
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
URI: http://scholarbank.nus.edu.sg/handle/10635/98275
ISSN: 10016538
DOI: 10.1360/982005-349
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