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利用同步辐射光,在对称Laue情况下,于Ga的K吸收限附近,测定了GaAs(200)的衍射波和透射波的摇摆曲线.通过测定的透射波的摇摆曲线和X射线衍射动力学理论的相应计算结果的定量比较,求得GaAs中的Ga原子在其K吸收限附近的反常散射因数The diffracted and the transmitted rocking curves for GaAs(200) in the symmetric Laue case are observed near the Ga K-absorption edge by using the synchrotron radiation. The quantitative comparison between the measured transmitted rocking curves and the corresponding calculated ones based on the dynamical theory of X-ray diffraction has been cattied out, and the anomalous scattering factors for Ga K-absorption edge in GaAs have been determined.
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