Enhanced Curie temperature and cooling efficiency in melt-extracted Gd50(Co69.25Fe4.25Si13B13.5)50 microwires

Ying Bao; Hongxian Shen; Dawei Xing; Sida Jiang; Jianfei Sun; Manh Huong Phan

doi:10.1016/j.jallcom.2017.03.071

Enhanced Curie temperature and cooling efficiency in melt-extracted Gd₅₀(Co_69.25Fe_4.25Si₁₃B_13.5)₅₀ microwires

Ying Bao
, Hongxian Shen
, Dawei Xing
, Sida Jiang
, Jianfei Sun^*
, Manh Huong Phan

^*Corresponding author for this work

Harbin Institute of Technology
Harbin University of Science and Technology
University of South Florida

Research output: Contribution to journal › Article › peer-review

17 Scopus citations

Abstract

We report enhancements of both Curie temperature and magnetic refrigerant capacity in Gd₅₀(Co_69.25Fe_4.25Si₁₃B_13.5)₅₀ microwires, which were fabricated by the melt-extraction method. For a field change of 5 T, the maximum magnetic entropy change (−ΔS_M^max), the refrigerant capacity (RC) and relative cooling power (RCP) reached high values of 6.56 J kg⁻¹ K⁻¹, 625 J kg⁻¹ and 826 J kg⁻¹, respectively. While the RC is similar to those of our previously reported GdAlCo microwires, a much broader working temperature range of ∼126 K and a higher Curie temperature of 170 K make the Gd₅₀(Co_69.25Fe_4.25Si₁₃B_13.5)₅₀ microwires more attractive for active magnetic refrigeration.

Original language	English
Pages (from-to)	678-684
Number of pages	7
Journal	Journal of Alloys and Compounds
Volume	708
DOIs	https://doi.org/10.1016/j.jallcom.2017.03.071
State	Published - 2017
Externally published	Yes

Keywords

Magnetic refrigeration
Magnetocaloric effect
Melt-extraction
Microwire

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10.1016/j.jallcom.2017.03.071

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@article{59778bbfd21b4dbab99a76b462f74a9b,

title = "Enhanced Curie temperature and cooling efficiency in melt-extracted Gd50(Co69.25Fe4.25Si13B13.5)50 microwires",

abstract = "We report enhancements of both Curie temperature and magnetic refrigerant capacity in Gd50(Co69.25Fe4.25Si13B13.5)50 microwires, which were fabricated by the melt-extraction method. For a field change of 5 T, the maximum magnetic entropy change (−ΔSMmax), the refrigerant capacity (RC) and relative cooling power (RCP) reached high values of 6.56 J kg−1 K−1, 625 J kg−1 and 826 J kg−1, respectively. While the RC is similar to those of our previously reported GdAlCo microwires, a much broader working temperature range of ∼126 K and a higher Curie temperature of 170 K make the Gd50(Co69.25Fe4.25Si13B13.5)50 microwires more attractive for active magnetic refrigeration.",

keywords = "Magnetic refrigeration, Magnetocaloric effect, Melt-extraction, Microwire",

author = "Ying Bao and Hongxian Shen and Dawei Xing and Sida Jiang and Jianfei Sun and Phan, \{Manh Huong\}",

note = "Publisher Copyright: {\textcopyright} 2017 Elsevier B.V.",

year = "2017",

doi = "10.1016/j.jallcom.2017.03.071",

language = "英语",

volume = "708",

pages = "678--684",

journal = "Journal of Alloys and Compounds",

issn = "0925-8388",

publisher = "Elsevier B.V.",

}

TY - JOUR

T1 - Enhanced Curie temperature and cooling efficiency in melt-extracted Gd50(Co69.25Fe4.25Si13B13.5)50 microwires

AU - Bao, Ying

AU - Shen, Hongxian

AU - Xing, Dawei

AU - Jiang, Sida

AU - Sun, Jianfei

AU - Phan, Manh Huong

PY - 2017

Y1 - 2017

N2 - We report enhancements of both Curie temperature and magnetic refrigerant capacity in Gd50(Co69.25Fe4.25Si13B13.5)50 microwires, which were fabricated by the melt-extraction method. For a field change of 5 T, the maximum magnetic entropy change (−ΔSMmax), the refrigerant capacity (RC) and relative cooling power (RCP) reached high values of 6.56 J kg−1 K−1, 625 J kg−1 and 826 J kg−1, respectively. While the RC is similar to those of our previously reported GdAlCo microwires, a much broader working temperature range of ∼126 K and a higher Curie temperature of 170 K make the Gd50(Co69.25Fe4.25Si13B13.5)50 microwires more attractive for active magnetic refrigeration.

AB - We report enhancements of both Curie temperature and magnetic refrigerant capacity in Gd50(Co69.25Fe4.25Si13B13.5)50 microwires, which were fabricated by the melt-extraction method. For a field change of 5 T, the maximum magnetic entropy change (−ΔSMmax), the refrigerant capacity (RC) and relative cooling power (RCP) reached high values of 6.56 J kg−1 K−1, 625 J kg−1 and 826 J kg−1, respectively. While the RC is similar to those of our previously reported GdAlCo microwires, a much broader working temperature range of ∼126 K and a higher Curie temperature of 170 K make the Gd50(Co69.25Fe4.25Si13B13.5)50 microwires more attractive for active magnetic refrigeration.

KW - Magnetic refrigeration

KW - Magnetocaloric effect

KW - Melt-extraction

KW - Microwire

UR - https://www.scopus.com/pages/publications/85014897548

U2 - 10.1016/j.jallcom.2017.03.071

DO - 10.1016/j.jallcom.2017.03.071

M3 - 文章

AN - SCOPUS:85014897548

SN - 0925-8388

VL - 708

SP - 678

EP - 684

JO - Journal of Alloys and Compounds

JF - Journal of Alloys and Compounds

ER -

Enhanced Curie temperature and cooling efficiency in melt-extracted Gd₅₀(Co_69.25Fe_4.25Si₁₃B_13.5)₅₀ microwires

Abstract

Keywords

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