Figure 4
Stages of 3SeC(NH2)2·2H2O single-crystal isochoric growth from the aqueous solution: (a) spontaneous powder precipitation at 0.80 GPa, then dissolved at 339 K; one seed at (b) 323 K; (c) 316 K and (d) 0.80 GPa/296 K. The ruby chip for pressure calibration is located close to the bottom edge of the gasket. |