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Ferromagnetism in epitaxial fcc Co films on Si(111)7x7 with Cu buffer layer

机译:Si(111)7x7的外延FCC CO膜中的铁磁性与Cu缓冲层

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The magnetic properties of ultrathin epitaxial face-centered cubic (fcc) Co(111) films on Si(111)7x7 substrates with Cu buffer layer were studied experimentally and using simulation by Monte-Carlo (MC) method in frame of the ferromagnetic Ising model. For MC simulations morphology of real film acquired from images of the scanning tunnel microscopy images was used. The conditions of experimentally observed concentration phase transitions into ferromagnetic state were compared with theoretical estimations. The nature of magnetic hysteresis and temperature dependence of magnetization is discussed.
机译:通过在铁磁性介绍模型的框架中通过Monte-Carlo(MC)方法进行研究,使用Cu缓冲层的Si(111)7X7底谱系上的超薄外延型立方体(FCC)Co(111)膜的磁性。 。对于MC仿真,使用了从扫描隧道显微镜图像的图像获取的真实膜的形态。将通过理论估计进行实验观察到的浓度相转变成铁磁性的条件。讨论了磁阻的磁滞和温度依赖性的性质。

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