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首页> 外文期刊>Philosophical magazine, B. Physics of condensed matter, electronic, optical, and magnetic properties >Relevance of magnetic instabilities to the phase stabilities of Fe alloys
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Relevance of magnetic instabilities to the phase stabilities of Fe alloys

机译：磁性不稳定性与铁合金相稳定性的关系

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摘要

Fe and its alloys exhibit magnetic properties that range from simple ferromagnetic ordering in the bce phase to moment-volume instabilities in the fee phase. In the present study we give an account of the stabilities of the structural phases of Fe and its alloys and discuss how the stability of a particular phase is related to the magnetic properties. We discuss the pressure-temperature phase diagram of Fe and the differences between the Gibbs free energies of its various structural phases. We extend the discussion to fee Fe alloys and present results on polarized paramagnetic neutron scattering experiments in Fe-rich Fe-Ni. In particular we show evidence for the presence of transitions from low-spin to high-spin state and the reversal of the sign of the energy difference between these states as the fee phase gains stability. The latter effect becomes a crucial entity in determining the phase stability of Fe alloys. [References: 18]
机译：Fe及其合金的磁性能范围从bce相中的简单铁磁有序到电荷相中的矩量不稳定性。在本研究中，我们将说明铁及其合金的结构相的稳定性，并讨论特定相的稳定性如何与磁性能相关。我们讨论了铁的压力-温度相图以及其各种结构相的吉布斯自由能之间的差异。我们将讨论范围扩大到铁合金，并在富铁的Fe-Ni中进行极化顺磁中子散射实验的结果。尤其是，我们显示了从低旋转状态到高旋转状态的过渡以及随着电荷相位获得稳定性，这些状态之间能量差的符号反转的证据。后一种效应成为确定Fe合金相稳定性的关键因素。 [参考：18]

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