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首页> 外文期刊>Crystallography reports >Trajectory method in the theory of laue diffraction of X-rays in crystals: 1. General formulas and accuracy estimation
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Trajectory method in the theory of laue diffraction of X-rays in crystals: 1. General formulas and accuracy estimation

机译:晶体X射线劳厄衍射理论中的轨迹法:1.通用公式和精度估计

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摘要

The most general and successive formulation of the trajectory method for solving the Takagi equations in the description of diffraction of a spatially inhomogeneous X-ray wave in ideal and deformed crystals is presented. The trajectories are obtained by variation in the common phase of the transmitted and diffracted waves similarly to classical mechanics. An algorithm of numerical calculation using the trajectory method has been developed and the results of the calculations are reported for the case of diffraction of a spherical wave in an ideal crystal. It is shown that the trajectory method provides high numerical accuracy in description of pen-dellosung fringes everywhere except for peculiar points, where trajectories approach very close to each other.
机译:在理想和变形晶体中空间非均匀X射线波的衍射描述中,提出了用于求解Takagi方程的轨迹方法的最一般和最连续的公式。类似于经典力学,通过透射波和衍射波的公共相位的变化获得轨迹。已经开发了使用轨迹法的数值计算算法,并且报告了在理想晶体中球面波衍射情况下的计算结果。结果表明,轨迹法在描述笔触三角条纹的各个地方都具有很高的数值精度,除了奇特点外,在这些特殊点处,轨迹非常接近。

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