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Magnetic and Electronic Structure study of Fe/MgO/Fe/Co Multilayer Stack Deposited by E-Beam Evaporation

机译：Fe / mgO / Fe / Co多层叠层的磁电结构研究   通过电子束蒸发沉积

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Present work investigates the magnetic and electronic structure ofMgO/Fe/MgO/Fe/Co/Au multilayer stack grown on Si(100) substrates by electronbeam evaporation method. X-ray diffraction study depicts polycrystalline natureof the multilayers. Results obtained from vibrating sample magnetometry (VSM)and near-edge X-ray absorption fine structure spectra (NEXAFS) at Fe & Co L-and Mg & O K-edges are applied to understand the magnetic and electronicproperties of this stack and its interface properties. While the spectralfeatures of Fe L-edge spectrum recorded by surface sensitive total electronyield (TEY) mode shows the formation of FeOx at the Fe/MgO interface, the bulksensitive total fluorescence yield (TFY), shows Fe in metallic nature. CoL-edge spectrum reveals the presence of metallic nature of cobalt in both TEYand TFY modes. Above results are well correlated with X-ray reflectometry.
机译：目前的工作研究了通过电子束蒸发法在Si（100）衬底上生长的MgO / Fe / MgO / Fe / Co / Au多层堆叠的磁性和电子结构。 X射线衍射研究描绘了多层的多晶性质。在Fe＆Co L边缘和Mg＆O K边缘处通过振动样品磁力法（VSM）和近边缘X射线吸收精细结构光谱（NEXAFS）获得的结果用于了解该堆栈及其界面的磁性和电子性质属性。表面敏感的总电子产额（TEY）模式记录的Fe L边缘光谱的光谱特征显示Fe / MgO界面上形成了FeOx，而体积敏感的总荧光产额（TFY）显示了金属性质的Fe。 CoL边缘光谱揭示了在TEY和TFY模式下都存在钴的金属性质。以上结果与X射线反射法密切相关。

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