The enhanced magnetocaloric effect in Dy                         2                         In                         1−x                         Al                         x                          by a non-hysteresis metamagnetic phase transition

Guiquan Yao; Fulong Wei; Jinsong Zhang; Xiaomeng Fan; Xiaowei Yin; Weibin Cui; Qiang Wang

doi:10.1016/j.scriptamat.2019.03.029

The enhanced magnetocaloric effect in Dy ₂ In _1−x Al _x by a non-hysteresis metamagnetic phase transition

Guiquan Yao, Fulong Wei, Jinsong Zhang, Xiaomeng Fan, Xiaowei Yin, Weibin Cui, Qiang Wang

School of Materials Sience and Engineering

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

17 Scopus citations

Abstract

To enhance the magnetocaloric effect of the second-order magnetic phase transition is eagerly sought in the development of practical magnetic refrigeration technology. Here, demonstrated by Dy ₂ In _1−x Al _x (0 ≤ x ≤ 0.5) system, the max magnetic entropy change is significantly enhanced to 13.4 Jkg ⁻¹ K ⁻¹ in Dy ₂ In _0.7 Al _0.3 and 10.8 Jkg ⁻¹ K ⁻¹ in Dy ₂ In _0.6 Al _0.4 alloys compared with 8.8 Jkg ⁻¹ K ⁻¹ in Dy ₂ In through a field-induced metamagnetic phase transition, which is unconventionally of nonhysteresis confirmed by magnetic measurements. Considering that nonhysteresis metamagnetic transition occurs at the critical composition where hexagonal structure is formed for x ≤ 0.3 while orthorhombic structure for x ≥ 0.4, the origin is ascribed to the lattice distortion.

Original language	English
Pages (from-to)	37-40
Number of pages	4
Journal	Scripta Materialia
Volume	167
DOIs	https://doi.org/10.1016/j.scriptamat.2019.03.029
State	Published - 1 Jul 2019

Keywords

Field-induced
Magnetic entropy change
Magnetocaloric effects
Metamagnetic transition
Non-hysteresis

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10.1016/j.scriptamat.2019.03.029

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Yao, G., Wei, F., Zhang, J., Fan, X., Yin, X., Cui, W., & Wang, Q. (2019). The enhanced magnetocaloric effect in Dy ₂ In _1−x Al _x by a non-hysteresis metamagnetic phase transition Scripta Materialia, 167, 37-40. https://doi.org/10.1016/j.scriptamat.2019.03.029

Yao, Guiquan ; Wei, Fulong ; Zhang, Jinsong et al. / The enhanced magnetocaloric effect in Dy ₂ In _1−x Al _x by a non-hysteresis metamagnetic phase transition In: Scripta Materialia. 2019 ; Vol. 167. pp. 37-40.

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title = " The enhanced magnetocaloric effect in Dy 2 In 1−x Al x by a non-hysteresis metamagnetic phase transition ",

abstract = " To enhance the magnetocaloric effect of the second-order magnetic phase transition is eagerly sought in the development of practical magnetic refrigeration technology. Here, demonstrated by Dy 2 In 1−x Al x (0 ≤ x ≤ 0.5) system, the max magnetic entropy change is significantly enhanced to 13.4 Jkg −1 K −1 in Dy 2 In 0.7 Al 0.3 and 10.8 Jkg −1 K −1 in Dy 2 In 0.6 Al 0.4 alloys compared with 8.8 Jkg −1 K −1 in Dy 2 In through a field-induced metamagnetic phase transition, which is unconventionally of nonhysteresis confirmed by magnetic measurements. Considering that nonhysteresis metamagnetic transition occurs at the critical composition where hexagonal structure is formed for x ≤ 0.3 while orthorhombic structure for x ≥ 0.4, the origin is ascribed to the lattice distortion.",

keywords = "Field-induced, Magnetic entropy change, Magnetocaloric effects, Metamagnetic transition, Non-hysteresis",

author = "Guiquan Yao and Fulong Wei and Jinsong Zhang and Xiaomeng Fan and Xiaowei Yin and Weibin Cui and Qiang Wang",

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Yao, G, Wei, F, Zhang, J, Fan, X , Yin, X, Cui, W & Wang, Q 2019, ' The enhanced magnetocaloric effect in Dy ₂ In _1−x Al _x by a non-hysteresis metamagnetic phase transition ', Scripta Materialia, vol. 167, pp. 37-40. https://doi.org/10.1016/j.scriptamat.2019.03.029

The enhanced magnetocaloric effect in Dy ₂ In _1−x Al _x by a non-hysteresis metamagnetic phase transition . / Yao, Guiquan; Wei, Fulong; Zhang, Jinsong et al.
In: Scripta Materialia, Vol. 167, 01.07.2019, p. 37-40.

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

TY - JOUR

T1 - The enhanced magnetocaloric effect in Dy 2 In 1−x Al x by a non-hysteresis metamagnetic phase transition

AU - Yao, Guiquan

AU - Wei, Fulong

AU - Zhang, Jinsong

AU - Fan, Xiaomeng

AU - Yin, Xiaowei

AU - Cui, Weibin

AU - Wang, Qiang

PY - 2019/7/1

Y1 - 2019/7/1

N2 - To enhance the magnetocaloric effect of the second-order magnetic phase transition is eagerly sought in the development of practical magnetic refrigeration technology. Here, demonstrated by Dy 2 In 1−x Al x (0 ≤ x ≤ 0.5) system, the max magnetic entropy change is significantly enhanced to 13.4 Jkg −1 K −1 in Dy 2 In 0.7 Al 0.3 and 10.8 Jkg −1 K −1 in Dy 2 In 0.6 Al 0.4 alloys compared with 8.8 Jkg −1 K −1 in Dy 2 In through a field-induced metamagnetic phase transition, which is unconventionally of nonhysteresis confirmed by magnetic measurements. Considering that nonhysteresis metamagnetic transition occurs at the critical composition where hexagonal structure is formed for x ≤ 0.3 while orthorhombic structure for x ≥ 0.4, the origin is ascribed to the lattice distortion.

AB - To enhance the magnetocaloric effect of the second-order magnetic phase transition is eagerly sought in the development of practical magnetic refrigeration technology. Here, demonstrated by Dy 2 In 1−x Al x (0 ≤ x ≤ 0.5) system, the max magnetic entropy change is significantly enhanced to 13.4 Jkg −1 K −1 in Dy 2 In 0.7 Al 0.3 and 10.8 Jkg −1 K −1 in Dy 2 In 0.6 Al 0.4 alloys compared with 8.8 Jkg −1 K −1 in Dy 2 In through a field-induced metamagnetic phase transition, which is unconventionally of nonhysteresis confirmed by magnetic measurements. Considering that nonhysteresis metamagnetic transition occurs at the critical composition where hexagonal structure is formed for x ≤ 0.3 while orthorhombic structure for x ≥ 0.4, the origin is ascribed to the lattice distortion.

KW - Field-induced

KW - Magnetic entropy change

KW - Magnetocaloric effects

KW - Metamagnetic transition

KW - Non-hysteresis

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DO - 10.1016/j.scriptamat.2019.03.029

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SN - 1359-6462

VL - 167

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JO - Scripta Materialia

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Yao G, Wei F, Zhang J, Fan X , Yin X, Cui W et al. The enhanced magnetocaloric effect in Dy ₂ In _1−x Al _x by a non-hysteresis metamagnetic phase transition Scripta Materialia. 2019 Jul 1;167:37-40. doi: 10.1016/j.scriptamat.2019.03.029

The enhanced magnetocaloric effect in Dy ₂ In _1−x Al _x by a non-hysteresis metamagnetic phase transition

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