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Structural and magnetic properties of an InGaAs/Fe3Si superlattice in cylindrical geometry

机译:圆柱几何形状的InGaAs / Fe3Si超晶格的结构和磁性

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摘要

The structure and magnetic properties of an InGaAs/Fe3Si superlattice in a cylindrical geometry are investigated by electron microscopy techniques, x-ray diffraction and magnetometry. To form a radial superlattice, a pseudomorphic InGaAs/Fe3Si bilayer has been released from its substrate self-forming into rolled-up microtubes. Oxide-free interfaces as well as areas of crystalline bonding are observed and an overall lattice mismatch between succeeding layers is determined. The cylindrical symmetry of the final radial superlattice shows a significant effect on the magnetization behavior of the rolled-up layers.
机译:通过电子显微镜技术,X射线衍射和磁力测定法研究了圆柱形InGaAs / Fe3Si超晶格的结构和磁性。为了形成径向超晶格,已将假晶态InGaAs / Fe3Si双层从其衬底自动形成的卷状微管中释放出来。观察到无氧化物的界面以及晶体结合的区域,并且确定了后续层之间的总体晶格失配。最终径向超晶格的圆柱对称性显示了对卷起层的磁化行为的重大影响。

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