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首页> 外文期刊>Physica status solidi, B. Basic research >Magnetic microstructure of NANOPERM-type nanocrystalline alloys
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Magnetic microstructure of NANOPERM-type nanocrystalline alloys

机译：NANOPERM型纳米晶合金的磁微结构

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Controlled crystallization of amorphous NANOPERM-type Fe76Mo8Cu1B15 alloy leads to the formation of crystalline grains of about 10 nm in size. The evolution of crystallization and its impact on the resulting magnetic properties is followed by nuclear and atomic based techniques of (subatomic) structural characterization comprising Mossbauer spectrometry, X-ray diffraction, transmission electron microscopy, high resolution transmission electron microscopy, differential scanning calorimetry, and atomic force microscopy. The amount of nanocrystalline grains identified as bcc-Fe rises with temperature of annealing and influences magnetic states of the original amorphous precursor. Results of structural characterization are correlated with magnetic data obtained from macroscopic measurements. In the samples with low contents of nanocrystallites, a deterioration of soft magnetic properties is observed. A very good soft magnetic behaviour is regained, however, towards the end of the primary crystallization process. (c) 2006 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
机译：非晶NANOPERM型Fe76Mo8Cu1B15合金的受控结晶导致形成尺寸约为10 nm的晶粒。结晶的演变及其对所得磁性能的影响之后是基于核和原子的（亚原子）结构表征技术，该技术包括莫斯鲍尔光谱法，X射线衍射，透射电子显微镜，高分辨率透射电子显微镜，差示扫描量热法和原子力显微镜。鉴定为bcc-Fe的纳米晶粒的数量随着退火温度的升高而增加，并影响原始非晶态前体的磁态。结构表征的结果与从宏观测量获得的磁数据相关。在具有低含量的纳米微晶的样品中，观察到软磁性能的劣化。但是，在初次结晶过程即将结束时，恢复了非常好的软磁行为。 （c）2006年WILEY-VCH Verlag GmbH＆Co. KGaA，魏因海姆。

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