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- Title
Thermodynamic Analysis of the Equilibrium Vapor Phase Composition of the Cd-I<sub>2</sub> System.
- Authors
Rybak, O. V.
- Abstract
The thermodynamic analysis of the composition of the vapor phase of the Cd-I2 system in the temperature range of 298-2000 K at the values of the total pressure in the system from 0.1 kPa to 100 kPa was assessed. The calculations assumed that the Cd-I2 system in the vapor phase contains the following components: I, I2, Cd, CdI, and CdI2. The results show that the dominant component of the vapor phase is cadmium diiodide (CdI2). In the temperature range of 298-950 K, Cd, and I2 predominate among the dissociation products, and the equilibrium in the vapor phase is described by the reaction CdI2(g) ↔ Cd(g) + I2(g). The optimal temperature conditions for growing cadmium diiodide crystals from the vapor phase are proposed. Single crystals of CdI2 have been grown at the temperature of the source zone – 890-900 K, and crystallization zone – 500-530 K.
- Subjects
THERMODYNAMIC equilibrium; PHASE equilibrium; VAPOR-liquid equilibrium; CADMIUM crystals; SINGLE crystals; VAPORS
- Publication
Journal of Nano- & Electronic Physics, 2024, Vol 16, Issue 1, p1
- ISSN
2077-6772
- Publication type
Article
- DOI
10.21272/jnep.16(1).01021