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首页> 外文期刊>Journal of Non-Crystalline Solids: A Journal Devoted to Oxide, Halide, Chalcogenide and Metallic Glasses, Amorphous Semiconductors, Non-Crystalline Films, Glass-Ceramics and Glassy Composites >Asymmetric magnetization reversal of partially devitrified Co66Si15B14Fe4Ni1
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Asymmetric magnetization reversal of partially devitrified Co66Si15B14Fe4Ni1

机译：部分失透的Co66Si15B14Fe4Ni1的不对称磁化反转

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摘要

Anomalous hysteresis has been observed in annealed Co66Si15B14Fe4Ni1 amorphous ribbons consisting of asymmetrically distorted and horizontally shifted loops. Although the magnetic hysteresis loops present remarkable similarities with those produced by exchange bias uniaxial anisotropy, this is discarded in these samples, so the comprehension of the origin of these characteristics is an interesting topic of research. Transmission electron microscopy, selected area diffraction and X-ray diffraction experiments have been carried out in order to investigate the structural properties of the samples. A very low dilution of nanocrystallites, with sizes of about 20 nm, has been detected coexisting with some bigger crystals of around 0.4-1.0 mu m. The hysteretic particularities and their evolution with different magnetic treatments are then analyzed as a consequence of the dipolar interaction between the crystalline particles and the residual amorphous matrix.
机译：在退火的Co66Si15B14Fe4Ni1非晶带中观察到异常的磁滞现象，该非晶带由不对称变形和水平移位的环组成。尽管磁滞回线与交换偏置单轴各向异性产生的磁滞回线具有显着相似性，但这些磁滞回线在这些样本中已被丢弃，因此，理解这些特性的起源是一个有趣的研究主题。为了研究样品的结构特性，已经进行了透射电子显微镜，选择区域衍射和X射线衍射实验。已经发现，纳米晶体的极低稀释度（约20 nm）与约0.4-1.0μm的一些较大晶体共存。然后，由于晶体颗粒与残留非晶态基质之间的偶极相互作用，分析了磁滞特性及其在不同磁处理下的演变。

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