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Inducing strong magnetism in Cr20Mn20Fe20Co20Ni20 high-entropy alloys by exploiting its anti-Invar property

机译:通过利用其抗Invar属性诱导CR20MN20FE20CO20NI2020NI2020NI20高熵合金的强磁

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The equiatomic high-entropy alloy Crsub20/subMnsub20/subFesub20/subCosub20/subNisub20/sub high-entropy alloy has a valence-electron-concentration of 8 electrons/atom which is equivalent to that of Fe. The alloy being FCC is therefore electronically equivalent to FCC-Fe. We show through the thermal expansion properties that the alloy carries similar anti-Invar properties as FCC-Fe, but unlike FCC-Fe it is stable throughout its solid-state temperature-range. Therefore, by exploiting the anti-Invar property and expanding the lattice of the alloy by introducing interstitial carbon, we make Crsub20/subMnsub20/subFesub20/subCosub20/subNisub20/sub ferromagnetic with a Curie temperature lying above room temperature.
机译:赤素高熵合金Cr 20 Mn 20 Fe 20 co <​​sub> 20 ni 20 高熵合金具有8个电子/原子的价浓度,其等同于Fe的电气。因此,作为FCC的合金电气相当于FCC-FE。我们通过热膨胀性能显示,合金与FCC-Fe相似的抗Invar属性,但与FCC-Fe不同,它在其固态温度范围内稳定。因此,通过引入间质碳来利用抗Invar属性并扩大合金的格子,我们使CR 20 Mn 20 Fe 20 CO 20 Ni 20 铁磁,其居里温度位于室温以上。

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