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首页> 外文期刊>ACS applied materials & interfaces >Heteroepitaxy of Fe3O4/Muscovite: A New Perspective for Flexible Spintronics
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Heteroepitaxy of Fe3O4/Muscovite: A New Perspective for Flexible Spintronics

机译：Fe3O4 /白云母的异外延：柔性自旋电子学的新观点。

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摘要

Spintronics has captured a lot of attention since it was proposed. It has been triggering numerous research groups to make their efforts on pursuing spin-related electronic devices. Recently, flexible and wearable devices are in a high demand due to their outstanding potential in practical applications. In order to introduce spintronics into the realm of flexible devices, we demonstrate that it is feasible to grow epitaxial Fe3O4 film, a promising candidate for realizing spintronic devices based on tunneling magnetoresistance, on flexible muscovite. In this study, the heteroepitaxy of Fe3O4/muscovite is characterized by X-ray diffraction, high-resolution transmission electron microscopy, and Raman spectroscopy. The chemical composition and magnetic feature are investigated by a combination of X-ray photoelectron spectroscopy and X-ray magnetic circular dichroism. The electrical and magnetic properties are examined to show the preservation of the primitive properties of Fe3O4. Furthermore, various bending tests are performed to show the tunability of functionalities and to confirm that the heterostructures retain the physical properties under repeated cycles. These results illustrate that the Fe3O4/muscovite heterostructure can be a potential candidate for the applications in flexible spintronics.
机译：自从提出以来，自旋电子学就引起了很多关注。它已经触发了许多研究小组努力追求与自旋相关的电子设备。近年来，由于其在实际应用中的巨大潜力，对柔性和可穿戴设备的需求很高。为了将自旋电子器件引入柔性器件领域，我们证明了在柔性白云母上生长外延Fe3O4膜是可行的，Fe3O4薄膜是实现基于隧穿磁阻的自旋电子器件的有希望的候选人。在这项研究中，Fe3O4 /白云母的异质外延性通过X射线衍射，高分辨率透射电子显微镜和拉曼光谱表征。通过X射线光电子能谱和X射线磁性圆二色性的组合研究化学成分和磁特征。检查了电学和磁学性能，表明保留了Fe3O4的原始性能。此外，进行了各种弯曲测试，以显示功能的可调性，并确认异质结构在重复循环下仍保留了物理性能。这些结果说明，Fe3O4 /白云母的异质结构可能是柔性自旋电子学中应用的潜在候选者。

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