低频脉冲磁场处理非晶合金Fe_(78)Si_9B_(13)的穆斯堡尔谱研究被引量：1

A study of Mssbauer spectroscopy of amorphous alloy Fe_(78)Si_9B_(13) by treatment of low-frequency pulsating magnetic field

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摘要对非晶合金Fe78Si9B13进行了低频脉冲磁场处理,利用穆斯堡尔谱仪对处理前后样品的超精细结构进行了分析。分析表明,Fe-Si相中Fe原子3d6壳层上的1个电子跳到Si原子3p2壳层上形成了稳定电子组态;Fe原子周围的电荷分布逐渐趋于对称分布;轨道杂化、晶格畸变及晶化相的弥散分布使晶化相超精细磁场较低;整体而言,原子磁矩趋于平行于样品表面。 Amorphous Fe78Si9B13 alloys have been treated by low frequency pulsating magnetic field.Hyperfine structures of the original and crystallized samples were analyzed by transmission Mssbauer spectroscopy.The results show that one electron in Fe atom 3d6 shell jump into Si atom 3p2 shell in the Fe-Si phase,forming a stability electron group.Charge distribution around the Fe atom tend to symmetry.Orbital hybridization,distortion of lattice and disperse distribution cause the lower hyperfine magnetic field of the crystallized phase.The atomic magnetic moment tends to parallel to surface of sample.

作者张艳辉晁月盛

机构地区东北大学理学院

出处《功能材料》 EI CAS CSCD 北大核心 2011年第4期714-717,共4页 Journal of Functional Materials

基金国家自然科学基金资助项目(75106073)

关键词脉冲磁场非晶合金纳米晶合金穆斯堡尔谱 low-frequency pulse magnetic field amorphous alloy nano-crystallization Mssbauer spectra

分类号 TG132.271 [一般工业技术—材料科学与工程] TG139.8 [一般工业技术—材料科学与工程]

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