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用X射线衍射截面形貌术研究了金刚石晶体中Pendellosung条纹的消衰(fading)现象。实验表明,在尖劈形晶体和平板状晶体以及包含一片层错的晶体中都观察到动力学衍衬干涉条纹的消衰现象。用动力学理论和实验结果进行定量的比较,结果是一致的。The fading phenomenon of pendellosung fringes in diamond crystals has been studied by means of X-ray diffraction section topography. The fading periods of dynamical interference frihges have been observed in plate-like crystal and wedge-shaped crystal, as well as in crystal containing a stacking fault. They have been adequately interpreted in terms of dynamical diffraction theory. The quantitative comparison of experiment with theory has been made and the agreement is found to be quite good.
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