Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/24370
Title: Achieving a large adiabatic temperature rise of Gd55Co25Al20 bulk metallic glass by minor Zn addition
Authors: Xia, L
Chan, KC 
Tang, MB
Dong, YD
Issue Date: 2014
Publisher: Springer
Source: Journal of materials science, 2014 How to cite?
Journal: Journal of materials science 
Abstract: Micro-alloying is a useful way to improve the magneto-caloric effect of Gd-based bulk metallic glasses (BMGs). However, the minor addition of other elements usually decreases the Curie temperature of BMGs. In this work, we fabricated Gd55Co25Al(20−x)Znx (x = 2, 5) BMGs and studied their magnetic properties. It was found that a minor addition of Zn not only improved the peak value of the magnetic entropy change but also enhanced the Curie temperature of the fabricated BMG. As a result, the Gd55Co25Al15Zn5 BMG exhibits a rather high adiabatic temperature rise up to 5.1 K at a temperature of around 130 K under a field of 5 T.
URI: http://hdl.handle.net/10397/24370
ISSN: 0022-2461
EISSN: 1573-4803
DOI: 10.1007/s10853-014-8693-2
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