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首页> 外文期刊>Chinese science bulletin >Structure and magnetic properties of [FePt/Ag]_(10) multilayer films
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Structure and magnetic properties of [FePt/Ag]_(10) multilayer films

机译：[FePt / Ag] _（10）多层膜的结构和磁性

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摘要

[FePt/Ag]_(10) multilayers were deposited on glass substrates by magnetron sputtering. After being annealed at 550 deg C for 3ft min, the coercivities of [FePt/Ag]_(10) multilayer films were observably improved. Magnetic properties of [FePt/Ag]_(10) multilayer films are influenced by the Ag content. The highest coercivity is obtained for those multilayer films that the Ag content is about 25 percent. The analysis for the remanence curves shows that the lower FePt layer thickness is favorable for decreasing the intergranular interaction. Result of XRD shows that a thick Ag layer can enhance the intensity of FePt(001) peak. A magnetic activation volume of the order of 101~(24) m~3 is obtained by the measurement of magnetic viscosity, showing that it is promising to be ultra-high density recording media.
机译：通过磁控溅射在玻璃基板上沉积[FePt / Ag] _（10）多层。在550℃退火3英尺/分钟后，[FePt / Ag] _（10）多层膜的矫顽力明显提高。 [FePt / Ag] _（10）多层膜的磁性能受Ag含量的影响。对于Ag含量为约25％的那些多层膜，可获得最高的矫顽力。剩磁曲线的分析表明，较低的FePt层厚度有利于降低晶界相互作用。 XRD结果表明，较厚的Ag层可以增强FePt（001）峰的强度。通过磁粘度的测量获得了101〜（24）m〜3量级的磁活化体积，这表明它有望成为超高密度记录介质。

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