论文标题

Ising纳米管的磁化特性

Magnetocaloric Properties of the Ising nanotube

论文作者

Akıncı, Ümit

论文摘要

由任意核心旋转值$ s_c $和壳旋转值$ s_s $构成的ISING纳米管的宏观特性已通过平均场近似。在此研究期间,已经计算了数量,例如等温磁熵变化,最大值的全宽度和制冷剂容量。这些数量与旋转值的变化以及芯与壳之间的交换相互作用。此外,在等温磁熵变化的变化中,最近在实验中观察到的双峰行为随着纳米管的温度而变化。

The magneticaloric properties of the Ising nanotube constituted by arbitrary core spin values $S_c$ and the shell spin values $S_s$ have been investigated by mean field approximation. During this investigation, several quantities have been calculated, such as isothermal magnetic entropy change, full width at half maximum value and the refrigerant capacity. The variation of these quantities with the values of the spins and exchange interaction between the core and shell is determined. Besides, recently experimentally observed double peak behavior in the variation of the isothermal magnetic entropy change with the temperature is obtained for the nanotube.

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