Achieving a large adiabatic temperature rise of Gd55Co25Al20 bulk metallic glass by minor Zn addition

L. Xia; Kang Cheung Chan; M. B. Tang; Y. D. Dong

doi:10.1007/s10853-014-8693-2

Achieving a large adiabatic temperature rise of Gd₅₅Co₂₅Al₂₀ bulk metallic glass by minor Zn addition

L. Xia, Kang Cheung Chan, M. B. Tang, Y. D. Dong

Research output: Journal article publication › Journal article › Academic research › peer-review

10 Citations (Scopus)

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.

Original language	English
Pages (from-to)	1333-1337
Number of pages	5
Journal	Journal of Materials Science
Volume	50
Issue number	3
DOIs	https://doi.org/10.1007/s10853-014-8693-2
Publication status	Published - 1 Jan 2015

ASJC Scopus subject areas

General Materials Science
Mechanics of Materials
Mechanical Engineering

More information

10.1007/s10853-014-8693-2

Cite this

@article{992c8430aafa4a829aaac89283560842,

title = "Achieving a large adiabatic temperature rise of Gd55Co25Al20 bulk metallic glass by minor Zn addition",

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.",

author = "L. Xia and Chan, {Kang Cheung} and Tang, {M. B.} and Dong, {Y. D.}",

year = "2015",

month = jan,

day = "1",

doi = "10.1007/s10853-014-8693-2",

language = "English",

volume = "50",

pages = "1333--1337",

journal = "Journal of Materials Science",

issn = "0022-2461",

publisher = "Springer Netherlands",

number = "3",

}

TY - JOUR

T1 - Achieving a large adiabatic temperature rise of Gd55Co25Al20 bulk metallic glass by minor Zn addition

AU - Xia, L.

AU - Chan, Kang Cheung

AU - Tang, M. B.

AU - Dong, Y. D.

PY - 2015/1/1

Y1 - 2015/1/1

N2 - 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.

AB - 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.

UR - http://www.scopus.com/inward/record.url?scp=84988268874&partnerID=8YFLogxK

U2 - 10.1007/s10853-014-8693-2

DO - 10.1007/s10853-014-8693-2

M3 - Journal article

SN - 0022-2461

VL - 50

SP - 1333

EP - 1337

JO - Journal of Materials Science

JF - Journal of Materials Science

IS - 3

ER -

Achieving a large adiabatic temperature rise of Gd₅₅Co₂₅Al₂₀ bulk metallic glass by minor Zn addition

Abstract

ASJC Scopus subject areas

More information

Other files and links

Fingerprint

Cite this