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首页> 外文期刊>Physical review. B, Condensed Matter And Materials Physics >Structural and magnetic properties of Mn-implanted Si
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Structural and magnetic properties of Mn-implanted Si

机译:锰注入硅的结构和磁性

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Structural and magnetic properties in Mn-implanted, p-type Si were investigated. High resolution structural analysis techniques such as synchrotron x-ray diffraction revealed the formation of MnSi_(1.7) nanoparticles already in the as-implanted samples. Depending on the Mn fluence, the size increases from 5 nm to 20 nm upon rapid thermal annealing. No significant evidence is found for Mn substituting Si sites either in the as-implanted or annealed samples. The observed ferromagnetism yields a saturation moment of 0.21μ_B per implanted Mn at 10 K, which could be assigned to MnSi_(1.7) nanoparticles as revealed by a temperature-dependent magnetization measurement.
机译:研究了Mn注入的p型Si的结构和磁性。高分辨率结构分析技术(例如同步加速器X射线衍射)揭示了已植入样品中已经形成MnSi_(1.7)纳米颗粒。取决于Mn能量密度,在快速热退火后,尺寸从5 nm增加到20 nm。在植入后或退火后的样品中,均未发现明显的Mn替代Si位点的明显证据。观察到的铁磁性在10 K下每个注入的Mn产生0.21μB的饱和矩,这可以归因于MnSi_(1.7)纳米颗粒,这取决于温度相关的磁化强度测量结果。

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