X-RAY DYNAMICAL DIFFRACTION EFFECTS OF OXIDE FILMS ON SILICON SUBSTRATES

Abstract
X‐ray dynamical diffraction effects due to thin oxide films on silicon substrates have been examined. Contraction of Pendellösung fringes have been observed in x‐ray topographs, due to strains introduced by the oxide film. Using the dynamical theory of x rays in distorted crystals described in the following Letter, we have been able to compute the stress in the oxide from the position of the fringes introduced by distortion.