RE $_{11}$ Co $_4$ In $_9$（RE = Tb，Er）的磁热性能
Magnetocaloric performance of RE$_{11}$Co$_4$In$_9$ (RE = Tb, Er)
摘要：
本文用磁测量方法研究了RE $_{11}$ Co $_4$ In $_9$（RE = Tb，Er）的磁热效应与温度和外加磁场的关系。最大磁熵变磁通密度变化时的（$-ΔS_{\mathrm{M}}^{\mathrm{max}}$）（$Δμ_{0}H$）0-9 T已被确定为对于Tb $_{11}$ Co $_4$ In $_9$在47.4 K时为5.51 J $\cdot$ kg $^{-1}\cdot$ K $^{-1}$，对于Er $_{11}$ Co $_4$ In $_9$在12.3 K时为14.28 J $\cdot$ kg $^{-1}\cdot$ K $^{-1}$，当RE = Tb和Er时，温度平均熵变（TEC）分别为5.50和14.14 J $\cdot$ kg $^{-1}\cdot$ K $^{-1}$。相对冷却功率（RCP）和制冷剂容量（RC）分别等于Tb $_{11}$ Co $_4$ In $_9$中的522.1和391.2 J $\cdot$ kg $^{-1}$和Er $_{11}$ Co $_4$ In $_9$中的605.2和463.1 J $\cdot$ kg $^{-1}$。
英文摘要：
The magnetocaloric effect in RE$_{11}$Co$_4$In$_9$ (RE = Tb, Er) has been studied by means of magnetometric measurements in the function of temperature and applied magnetic field. The maximum magnetic entropy change ($-ΔS_{\mathrm{M}}^{\mathrm{max}}$) at magnetic flux density change ($Δμ_{0}H$) 0-9 T has been determined to be 5.51 J$\cdot$kg$^{-1}\cdot$K$^{-1}$ at 47.4 K for Tb$_{11}$Co$_4$In$_9$ and 14.28 J$\cdot$kg$^{-1}\cdot$K$^{-1}$ at 12.3 K for Er$_{11}$Co$_4$In$_9$, while temperature averaged entropy change (TEC) with 3 K span equals 5.50 and 14.14 J$\cdot$kg$^{-1}\cdot$K$^{-1}$ for RE = Tb and Er, respectively. The relative cooling power (RCP) and refrigerant capacity (RC) equal respectively 522.1 and 391.2 J$\cdot$kg$^{-1}$ in Tb$_{11}$Co$_4$In$_9$ and 605.2 and 463.1 J$\cdot$kg$^{-1}$ in Er$_{11}$Co$_4$In$_9$.
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