Experimental setup for rapid crystallization using favoured chemical potential and hydrodynamic conditions

The rapid crystallization of KH₂PO₄ (KDP) from solution is demonstrated at a rate up to ≈ 7.5 mm/day along 100] and 22 mm/day along 001] in a crystallizer of 5 l capacity, using accelerated crucible rotation technique (ACRT) and simulated platform geometry for controlling the hydrodynamic conditions. On an experimental basis we have grown the crystals up to 40 · 43 · 66 mm3 size in about 3 days. Comparative analysis of the main structural and optical properties of crystals grown by conventional and rapid crystallization technique, is discussed.