Giant room-temperature inverse and conventional magnetocaloric effects in Ni-Mn-In alloys
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- 作者：Xuexi Zhang ; xxzhang@hit.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Mingfang Qian ; Ruizhe Su ; Lin Geng
- 关键词：Metals and alloys ; Magnetic materials ; Phase transformation ; Magnetic entropy change ; Magnetocaloric effect (MCE) ; Ni&ndash ; Mn&ndash ; In
- 刊名：Materials Letters
- 出版年：2016
- 出版时间：15 January 2016
- 年：2016
- 卷：163
- 期：Complete
- 页码：274-276
- 全文大小：1607 K
文摘
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Ni47.74Mn37.06In15.20 alloy with homogeneous composition was prepared.
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A maximum positive magnetic entropy change ΔSm of 30.7 J/kg K was obtained at ~282 K at 50,000 Oe.
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A large negative magnetic entropy change ΔSm of −6.45 J/kg K was obtained at ~294 K at 50,000 Oe.
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The giant inverse and conventional MCEs occur in a wide temperature range ΔT 267.5–297.5 K.