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Javidi S. Growth of a KDP (KH2PO4) twin crystal and comparison of its characteristicswith a single crystal [Електронний ресурс] / S. Javidi, M. Esmaeil Nia, N. Ali Akbari // Semiconductor physics, quantum electronics & optoelectronics. - 2010. - Vol. 13, № 3. - С. 302-204. - Режим доступу: http://nbuv.gov.ua/UJRN/MSMW_2010_13_3_17 KDP single and twin (prepared from two-glued seeds) crystals have been grown by the method of temperature reduction. Then, the grown crystals were cut and polished in the (100) direction for optical characterization. The transmission spectra and XRD analysis of the crystals were determined and compared. The Vickers microhardness tests carried out on the two types showed that duplication of the crystal lattice did not reduce the hardness of it.
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Javidi S. Influence of Ca2+ ions on the habit of KDP crystals [Електронний ресурс] / S. Javidi, R. Enayati, M. Iraj, N. Aliakbari // Semiconductor physics, quantum electronics & optoelectronics. - 2011. - Vol. 14, № 2. - С. 179-182. - Режим доступу: http://nbuv.gov.ua/UJRN/MSMW_2011_14_2_11 A few KDP (KH2PO4) and KDP:Ca<^>2+ (CaCl2) single crystals were grown based on the temperature reduction method. Investigations show that the presence of bivalent ions like Ca<^>2+ could be a cause of retarded growth rate and induced crystalline lattice defects. Here the pure KDP crystals are compared with KDP:CaCl2. Crystals of both types were also studied in aspect of other structural and optical properties.
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