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The state of order in Fe-Al studied by precession electron diffraction

机译:通过进动电子衍射研究Fe-Al中的有序状态

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Precession electron diffraction (PED) has been carried out on a fu11y ordered Fe-40at.%Al solid solution in order to explore its suitability for determining the state of order. The integrated intensity ratio of a superlattice reflection with respect to a fundamental reflection was measured as a function of the sample thickness and the results are we11 fitted by dynamical simulations. It is proposed that, in addition to conventional X-ray diffraction, PED may provide access to the state of order at microscopic and nanoscopic scales.
机译:为了探索其对确定有序状态的适用性,已对有序的Fe-40at。%Al固溶体进行了旋进电子衍射(PED)。测量了超晶格反射相对于基本反射的积分强度比,该强度比是样品厚度的函数,并且通过动力学模拟拟合了结果。建议除了常规的X射线衍射外,PED还可以提供微观和纳米尺度的有序状态。

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