Origin of dislocations in solution-grown crystals

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Abstract
During microscopic studies of growth sequences of cadmium-iodide crystals in aqueous solution, it has been found that the particular crystal under observation sometimes suddenly rotates. The force needed for such a rotation is presumably provided by the convection currents in the solution, as otherwise the crystals are completely covered. The value of this force has been calculated and found to agree with the value of the critical stress required for causing dislocations in the crystals, thus establishing that convection currents are most likely responsible for the generation of dislocations during the growth of soft crystals from solution.
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