Low field induced giant magnetocaloric effect in TmGa compound

Zhao Jun Mo; Jun Shen; Li Qin Yan; Cheng Chun Tang; Jing Lin; Jian Feng Wu; Ji Rong Sun; Li Chen Wang; Xin Qi Zheng; Bao Gen Shen

doi:10.1063/1.4816729

Low field induced giant magnetocaloric effect in TmGa compound

Zhao Jun Mo, Jun Shen, Li Qin Yan, Cheng Chun Tang, Jing Lin, Jian Feng Wu, Ji Rong Sun, Li Chen Wang, Xin Qi Zheng, Bao Gen Shen

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摘要

The magnetic properties and magnetocaloric effect in TmGa compound are investigated. TmGa exhibits two successive magnetic transitions: ferromagnetic-antiferromagnetic at T_FA = 12 K and antiferromagnetic-paramagnetic transition at T_N = 15 K. Under field changes of 1 and 2 T, giant reversible values of magnetic entropy change (12.9 and 20.6 J/kg K) and large values of refrigerant capacity (69 and 149 J/kg) are observed, respectively. Additionally, the maximal values of adiabatic temperature change are 3.2 and 5 K for field changes of 1 and 2 T, respectively. The TmGa compound with excellent magnetocaloric effect is expected to have effective applications in low temperature magnetic refrigeration.

源语言	英语
文章编号	052409
期刊	Applied Physics Letters
卷	103
期	5
DOI	https://doi.org/10.1063/1.4816729
出版状态	已出版 - 29 7月 2013
已对外发布	是

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title = "Low field induced giant magnetocaloric effect in TmGa compound",

abstract = "The magnetic properties and magnetocaloric effect in TmGa compound are investigated. TmGa exhibits two successive magnetic transitions: ferromagnetic-antiferromagnetic at TFA = 12 K and antiferromagnetic-paramagnetic transition at TN = 15 K. Under field changes of 1 and 2 T, giant reversible values of magnetic entropy change (12.9 and 20.6 J/kg K) and large values of refrigerant capacity (69 and 149 J/kg) are observed, respectively. Additionally, the maximal values of adiabatic temperature change are 3.2 and 5 K for field changes of 1 and 2 T, respectively. The TmGa compound with excellent magnetocaloric effect is expected to have effective applications in low temperature magnetic refrigeration.",

author = "Mo, {Zhao Jun} and Jun Shen and Yan, {Li Qin} and Tang, {Cheng Chun} and Jing Lin and Wu, {Jian Feng} and Sun, {Ji Rong} and Wang, {Li Chen} and Zheng, {Xin Qi} and Shen, {Bao Gen}",

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T1 - Low field induced giant magnetocaloric effect in TmGa compound

AU - Mo, Zhao Jun

AU - Shen, Jun

AU - Yan, Li Qin

AU - Tang, Cheng Chun

AU - Lin, Jing

AU - Wu, Jian Feng

AU - Sun, Ji Rong

AU - Wang, Li Chen

AU - Zheng, Xin Qi

AU - Shen, Bao Gen

PY - 2013/7/29

Y1 - 2013/7/29

N2 - The magnetic properties and magnetocaloric effect in TmGa compound are investigated. TmGa exhibits two successive magnetic transitions: ferromagnetic-antiferromagnetic at TFA = 12 K and antiferromagnetic-paramagnetic transition at TN = 15 K. Under field changes of 1 and 2 T, giant reversible values of magnetic entropy change (12.9 and 20.6 J/kg K) and large values of refrigerant capacity (69 and 149 J/kg) are observed, respectively. Additionally, the maximal values of adiabatic temperature change are 3.2 and 5 K for field changes of 1 and 2 T, respectively. The TmGa compound with excellent magnetocaloric effect is expected to have effective applications in low temperature magnetic refrigeration.

AB - The magnetic properties and magnetocaloric effect in TmGa compound are investigated. TmGa exhibits two successive magnetic transitions: ferromagnetic-antiferromagnetic at TFA = 12 K and antiferromagnetic-paramagnetic transition at TN = 15 K. Under field changes of 1 and 2 T, giant reversible values of magnetic entropy change (12.9 and 20.6 J/kg K) and large values of refrigerant capacity (69 and 149 J/kg) are observed, respectively. Additionally, the maximal values of adiabatic temperature change are 3.2 and 5 K for field changes of 1 and 2 T, respectively. The TmGa compound with excellent magnetocaloric effect is expected to have effective applications in low temperature magnetic refrigeration.

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VL - 103

JO - Applied Physics Letters

JF - Applied Physics Letters

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Low field induced giant magnetocaloric effect in TmGa compound

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