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首页> 外文期刊>Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics >Magnetization study on single-crystalline TbMn_6Ge_6
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Magnetization study on single-crystalline TbMn_6Ge_6

机译：单晶TbMn_6Ge_6的磁化研究

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摘要

The compound TbMn_6Ge_6 exhibits unusual magnetic properties. Low-field magnetization measurements show that TbMn_6Ge_6 orders around 450 K. In the whole ordered range, metamagnetic behavior with appreciable hysteresis is observed, both for the field applied parallel and perpendicular to the crystallographic odirection. The saturation moment of 5mu_B/f.u. obtained at temperatures around 300-350 K after the metamagnetic transition that occurs below 1 T suggests collinear ferrimagnetic order of the magnetic Tb and Mn sublattices after the transition. The critical field of the metamagnetic transition increases with decreasing temperature. Also, measurements of the magnetization have been carried out in high magnetic fields up to around 50 T at various temperatures in the ordered region. The magnetic isotherms measured with the field applied along the main crystallographic directions exhibit a wealth of field-induced phase transitions that provide information on the competing interactions in this compound.
机译：化合物TbMn_6Ge_6具有异常的磁性能。低场磁化测量表明，TbMn_6Ge_6在450 K左右有序。在整个有序范围内，观察到的平行和垂直于磁场取向的磁场都具有明显的磁滞现象。饱和力矩为5mu_B / f.u。在低于1 T的亚磁性跃迁之后，在300-350 K左右的温度下获得的磁变表明，跃迁后磁性Tb和Mn亚晶格的共线亚铁磁阶。随着温度的降低，亚磁跃迁的临界场增加。另外，磁化强度的测量是在有序区域的各种温度下，在高达约50 T的高磁场中进行的。沿主要晶体学方向施加的磁场测得的磁等温线表现出大量的磁场感应相变，这些相变提供了有关该化合物竞争性相互作用的信息。

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