This comparative
study of K2CO3-doped KDP crystals with and without seed
rotation reveals that the seed rotation helps to a significant
extent in improving the crystalline perfection. It seems that due to
seed rotation, the complex layers containing impurities and
dopants are not allowed to stay on the surface of the growing
crystal due to centripetal force and also helps to keep a
homogeneous saturated solution at the liquid–solid interface
and thereby the crystal grown under seed rotation condition has
got an excellent crystalline perfection as evident from the very