Exchange springs in L10-FePt(110)/A1-FePt bilayer films

Exchange springs in L10-FePt(110)/A1-FePt bilayer films
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DOI：
10.1109/tmag.2015.2438325
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发表时间：
2015-11
期刊：
2015 IEEE Magnetics Conference (INTERMAG)
影响因子：
--
通讯作者：
Y. Li;D. Zeng;H. Zhao;B. Du;J. Wei;S. Yoshimura;H. Saito;G. Li
Y. Li;D. Zeng;H. Zhao;B. Du;J. Wei;S. Yoshimura;H. Saito;G. Li
中科院分区：
其他
文献类型：
--
作者：
Y. Li;D. Zeng;H. Zhao;B. Du;J. Wei;S. Yoshimura;H. Saito;G. Li

文献摘要

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本文研究了L10-FePT(110)/Al-FePT双层膜与交换弹簧有关的磁特性，为其在MFM针尖中的潜在应用奠定了基础。采用磁控溅射法在(110)衬底上制备了双层薄膜，并在400~700℃真空退火热处理6h，用X射线衍射仪、原子力显微镜和振动样品磁强计对薄膜进行了表征。结果表明，磁滞回线可以通过FePT(110)层的厚度和磁序来有效地调整。
The magnetic properties of L10-FePt(110)/A1-FePt bilayer films related to exchange spring is investigated in this research for potential application in MFM tips. The bilayer films are deposited on MgO(110) substrates by magnetron sputtering at 400°C and vacuum annealed at 400-700°C for 6 h. X-ray diffraction, atomic force microscopy, and vibrating sample magnetometry are used for characterization. It is shown that the hysteresis loop can be efficiently tailored by the thickness and magnetic ordering of FePt(110) layer.