Low-pressure-induced giant barocaloric effect in an all-d-metal Heusler Ni35.5Co14.5Mn35Ti15 magnetic shape memory alloy
文献类型：期刊论文
| 作者 | Wei, Zhiyang; Shen, Yi; Zhang, Zhe; Guo, Jianping; Li, Bing; Liu, Enke; Zhang, Zhidong; Liu, Jian |
| 刊名 | APL MATERIALS
 |
| 出版日期 | 2020-05-01 |
| 卷号 | 8期号:5 |
| DOI | 10.1063/5.0005021 |
| 英文摘要 | The clean and energy-efficient solid-state refrigeration based on magnetostructural phase transformation is a promising alternative technology for vapor-compression refrigeration. Herein, using a unique quasi-direct calorimetric method in a high hydrostatic pressure condition, we have studied the barocaloric effect for a Ni35.5Co14.5Mn35Ti15 all-d-metal Heusler alloy that undergoes a martensitic transformation accompanied by a large magnetization change. The martensitic transformation is found to be sensitive to either applied pressure or magnetic field with the large transformation temperature driving rates of 5.8 K kbar(-1) and 2.0 K T-1. Such a sensitive response to external stimuli originates from the large lattice/volume- and magnetization-discontinuity on the phase transformation. The Ni35.5Co14.5Mn35Ti15 alloy exhibits a large barocaloric effect with an isothermal entropy change of -24.2 J kg(-1) K(-1)and an adiabatic temperature change of 4.2 K, concomitant with a relatively low pressure change of 1 kbar, appearing to be the largest values among those of reported magnetic shape memory alloys. Moreover, by virtue of the strong magnetostructural coupling in the Ni35.5Co14.5Mn35Ti15 alloy, we propose a strategy of applying/releasing pressure and magnetic field in a proper sequence to eliminate the hysteresis and effectively enhance the reproducibility of the barocaloric effect. |
| WOS记录号 | WOS:000531250300001 |
| 源URL | [http://ir.imr.ac.cn/handle/321006/82880]  |
| 专题 | 金属研究所_中国科学院金属研究所 |
| 推荐引用方式 GB/T 7714 | Wei, Zhiyang,Shen, Yi,Zhang, Zhe,et al. Low-pressure-induced giant barocaloric effect in an all-d-metal Heusler Ni35.5Co14.5Mn35Ti15 magnetic shape memory alloy[J]. APL MATERIALS,2020,8(5). |
| APA | Wei, Zhiyang.,Shen, Yi.,Zhang, Zhe.,Guo, Jianping.,Li, Bing.,...&Liu, Jian.(2020).Low-pressure-induced giant barocaloric effect in an all-d-metal Heusler Ni35.5Co14.5Mn35Ti15 magnetic shape memory alloy.APL MATERIALS,8(5). |
| MLA | Wei, Zhiyang,et al."Low-pressure-induced giant barocaloric effect in an all-d-metal Heusler Ni35.5Co14.5Mn35Ti15 magnetic shape memory alloy".APL MATERIALS 8.5(2020). |
入库方式： OAI收割
来源：金属研究所
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