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首页> 外文期刊>Physical review. B, Condensed Matter And Materials Physics >Ferromagnetic states in Fe-Ru systems studied by ab initio calculation and ion-beam mixing
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Ferromagnetic states in Fe-Ru systems studied by ab initio calculation and ion-beam mixing

机译:通过从头算和离子束混合研究Fe-Ru系统中的铁磁态

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Ab initio calculations reveal that Fe_3Ru alloys of the D0_3, A15, and D0_22 structures will behave as ferro- magnets. Moreover, Fe_(50)Ru_(50) alloys of L2_a, B2, and α-NiAs structures will also behave ferromagnetically. In ion-beam-mixing experiments, a magnetic Fe_(50)Ru_(50) alloy of B2, i.e., bcc, structure is obtained at a dose of 1 × 10~(15) Xe~+/cm~2. Interestingly, a nonmagnetic Fe_(50)Ru_(50) alloy of Ll_0, i.e., fcc, structure is also obtained under the same conditions and the predictions are in agreement with observations obtained from ion-beam-mixing experiments and magnetism measurements.
机译:从头算计算表明,D0_3,A15和D0_22结构的Fe_3Ru合金将表现为铁磁体。此外,L2_a,B2和α-NiAs结构的Fe_(50)Ru_(50)合金也将具有铁磁性能。在离子束混合实验中,以1×10〜(15)Xe〜+ / cm〜2的剂量获得B2的磁性Fe_(50)Ru_(50)合金,即bcc。有趣的是,在相同条件下也获得了Ll_0的非磁性Fe_(50)Ru_(50)合金,即fcc,并且该预测与从离子束混合实验和磁性测量获得的观察结果一致。

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