Rotations of monoblocks of a single crystal in a shock wave front during the measurement of the interplanar spacing by two characteristic radiation lines

The structure of shock-compressed lithium fluoride single crystals has been studied using pulsed X-ray diffraction with $K_\alpha$ and $K_\beta$ characteristic radiation lines. The X-ray diffraction patterns of the shock-compressed single crystals indicate that the monoblocks are rotated by $\sim$ 3$^\circ$ in the shock-wave front in both the plastic flow region and the elastic region. Ignoring this phenomenon leads to errors in the interpretation of the obtained results.