具有近零净磁化强度和可调交换偏置场的新型钐钕混合铁磁体
New Samarium and Neodymium based admixed ferromagnets with near zero net magnetization and tunable exchange bias field
摘要：
稀土基金属间化合物，SmScGe和NdScGe，表现出近零净磁化与6至9原子%的Nd和25原子%的Gd的替代，分别。在低磁场（小于103 Oe）下，稀土离子的零磁化轴交叉，在高磁场下，稀土离子的磁矩取向发生场致反转，从而阐明了稀土离子的磁补偿效应。这些磁有序材料没有净磁化和可观的传导电子极化显示的交换偏置场，这是可以调整的属性。具有吸引力的高磁有序温度约270 K，强调了这些材料在自旋电子学中的潜在应用的重要性。
英文摘要：
Rare earth based intermetallics, SmScGe and NdScGe, are shown to exhibit near zero net magnetization with substitutions of 6 to 9 atomic percent of Nd and 25 atomic percent of Gd, respectively. The notion of magnetic compensation in them is also elucidated by the crossover of zero magnetization axis at low magnetic fields (less than 103 Oe) and field-induced reversal in the orientation of the magnetic moments of the dissimilar rare earth ions at higher magnetic fields. These magnetically ordered materials with no net magnetization and appreciable conduction electron polarization display an attribute of an exchange bias field, which can be tuned. The attractively high magnetic ordering temperatures of about 270 K, underscore the importance of these materials for potential applications in spintronics.
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