基于磁性和非磁性金属的多组分薄膜材料的热阻和磁阻性能

2021 IEEE 11th International Conference Nanomaterials: Applications & Properties (NAP) Pub Date : 2021-09-05 DOI:10.1109/NAP51885.2021.9568521

M. Vasyukhno, V. S. Klochok, N. I. Shumakova, A. Rylova, I. Protsenko

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引用次数: 1

摘要

在现象学近似中，得到了基于磁性和非磁性金属的多组分高熵薄膜合金(HEA)的微分温度电阻系数$\left(\beta_{T}=\frac{\partial\ln\rho}{\partial T}\right)$和磁性电阻系数$\left(\beta_{B}=\frac{\partial\ln\rho}{\partial B}\right)$(其中$\rho=\sum_{(i)}c_{i}\rho_{i}$)的关系式。实验值$\beta_{T},\beta_{B}^{MR}$和$\beta_{B}^{GMR}\quad$与计算结果吻合较好，从而可以根据各分量的温度和磁系数的实验数据预测正常$\beta_{B}^{M/R}$和巨$\beta_{B}^{GMR}$的磁阻值$\beta_{T}$。

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Thermo- and Magnetoresistive Properties of Multicomponent Film Materials Based on Magnetic and Non-magnetic Metals

In the phenomenological approximation, the relations for the differential temperatures coefficient of resistance $\left(\beta_{T}=\frac{\partial\ln\rho}{\partial T}\right)$ and magnetic coefficient of resistance $\left(\beta_{B}=\frac{\partial\ln\rho}{\partial B}\right)$, where $\rho=\sum_{(i)}c_{i}\rho_{i}$, for multicomponent high-entropy film alloys (HEA) based on magnetic and non-magnetic metals are obtained. Experimental values $\beta_{T},\beta_{B}^{MR}$ and $\beta_{B}^{GMR}\quad$ agree well with the calculations, which allows for the prognosis of the value $\beta_{T}$ for normal $\beta_{B}^{M/R}$ and for giant $\beta_{B}^{GMR}$ magnetoresistance based on experimental data for temperature and magnetic coefficients of individual components.

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2021 IEEE 11th International Conference Nanomaterials: Applications & Properties (NAP)

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