Effect of L-arginine phosphate doping on structural, optical and strength properties of KDP single crystal - E. I. Kostenyukova; I. M. Pritula; O. N. Bezkrovnaya; N. O. Kovalenko; A. G. Doroshenko; S. V. Khimchenko; A. G. Fedorov (Semiconductor Physics, Quantum Electronics and Optoelectronics, 2019)