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首页> 外文期刊>IEEE Transactions on Magnetics >Magnetic properties and texture of sputtered Fe/Fe/sub 3/O/sub 4/ multilayer films
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Magnetic properties and texture of sputtered Fe/Fe/sub 3/O/sub 4/ multilayer films

机译：溅射Fe / Fe / sub 3 / O / sub 4 /多层膜的磁性和织构

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摘要

Polycrystalline Fe/Fe/sub 3/O/sub 4/ multilayers have been fabricated with varying Fe/Fe/sub 3/O/sub 4/ ratios, period (bilayer) thickness, number of periods, and deposition sequence. The films were deposited by RF magnetron sputtering. The coercivity was found to vary in a nonlinear fashion between that of Fe and Fe/sub 3/O/sub 4/. For selected multilayer geometries, the coercivity can be increased beyond that of single-layer Fe and Fe/sub 3/O/sub 4/ films. The magnetic saturation was observed to follow a linear mixture rule. These results suggest that a multilayer approach is useful for designing magnetic thin films and may allow fabrication of new materials for recording media applications. A secondary result was the ability to obtain highly textured polycrystalline films of both Fe and Fe/sub 3/O/sub 4/ on amorphous substrates for selected multilayer geometries. The texture results, which may be generally applicable, suggest that relatively thin multilayers of only a few periods may provide a means to control polycrystalline film texture on amorphous substrates.
机译：已经制造了具有变化的Fe / Fe / sub 3 / O / sub 4 /比率，周期（双层）厚度，周期数和沉积顺序的多晶Fe / Fe / sub 3 / O / sub 4 /多层。膜通过RF磁控溅射沉积。发现矫顽力在Fe和Fe / sub 3 / O / sub 4 /之间以非线性方式变化。对于选定的多层几何形状，矫顽力可以增加到超过单层Fe和Fe / sub 3 / O / sub 4 /膜的矫顽力。观察到磁饱和遵循线性混合规则。这些结果表明，多层方法对于设计磁性薄膜是有用的，并且可以允许制造用于记录介质应用的新材料。次要结果是能够在非晶衬底上针对选定的多层几何结构获得高纹理化的Fe和Fe / sub 3 / O / sub 4 /的多晶薄膜。通常可以应用的织构结果表明，只有几个周期的相对薄的多层可以提供控制非晶态衬底上的多晶膜织构的手段。

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