Ga–Na system
14 accepted literature values from 1 paper(s) (experimental 8, model 6); 1 calculated phase diagram(s).
Data: JSON · CSV · interactive explorer · interactive phase diagram · phases (7) · papers (bibliography) · Markdown
| Evidence class | Values |
|---|---|
| experimental | 8 |
| model | 6 |
| Property group | Values |
|---|---|
| invariant reaction | 8 |
| formation | 6 |
Calculated phase diagrams
Binary phase diagrams calculated with pycalphad 0.11.2 from the SGTE binary collection (Hallstedt 2025, CC BY 4.0). Evidence class: model.
| TDB file | Assessment | SHA-256 | Links |
|---|---|---|---|
| GaNa-07Wan.tdb | J. Wang, W. Yuan, M. Li, J. Crystal Growth, 307, 59-65(2007). doi:10.1016/j.jcrysgro.2007.05.044 | be24553ddd1d9c9aea912ad9bdc7ed2aa4206d08f95b9dd78e9ef60c1e28aaf0 | viewer · TDB · JSON |
| TDB file | T (K) | Phases at the invariant |
|---|---|---|
| GaNa-07Wan.tdb | 798.35 | GA39NA22 (x(Na) 0.36066) + LIQUID#2 (x(Na) 0.61119) + LIQUID (x(Na) 0.91791) |
| GaNa-07Wan.tdb | 776.41 | LIQUID (x(Na) 0.17653) + GA4NA_D13 (x(Na) 0.2) + GA39NA22 (x(Na) 0.36066) |
| GaNa-07Wan.tdb | 776.41 | LIQUID (x(Na) 0.17598) + GA4NA_D13 (x(Na) 0.2) + GA39NA22 (x(Na) 0.36066) |
| GaNa-07Wan.tdb | 370.89 | GA39NA22 (x(Na) 0.36066) + BCC_A2 (x(Na) 0.99995) + LIQUID (x(Na) 0.99999) |
| GaNa-07Wan.tdb | 370.89 | GA39NA22 (x(Na) 0.36066) + BCC_A2 (x(Na) 0.99995) + LIQUID (x(Na) 0.99999) |
| GaNa-07Wan.tdb | 302.91 | ORTHORHOMBIC_A11 (x(Na) 0) + LIQUID (x(Na) 0) + GA4NA_D13 (x(Na) 0.2) |
Convex hulls: Materials Project DFT hull · OQMD DFT hull
Invariant reactions (literature)
| T (K) | Reaction / phases | Compositions (mole fraction) | Class | Source | Location | Quote |
|---|---|---|---|---|---|---|
| 797.15 | monotectic: Liquid1 -> Liquid2 + Ga39Na22 | Liquid1: Na 0.611; Liquid2: Na 0.918; Ga39Na22: Na 0.361 | model | [1] Wang 2007 | Table 2, p. 4, row 5 report | |
| 792.15 | monotectic: Liquid1 -> Liquid2 + Ga39Na22 | Liquid1: Na 0.6; Liquid2: Na 0.893; Ga39Na22: Na 0.361 | experimental | [1] Wang 2007 cites Sh 1980 | Table 2, p. 4, row 6 report | |
| 777.15 | peritectic: NaGa4 -> Liquid + Ga39Na22 | NaGa4: Na 0.2; Liquid: Na 0.176; Ga39Na22: Na 0.361 | model | [1] Wang 2007 | Table 2, p. 4, row 3 report | |
| 772.15 | eutectic: Liquid -> Ga4Na + Ga39Na22 | Liquid: Na 0.205; Ga4Na: Na 0.2; Ga39Na22: Na 0.361 | experimental | [1] Wang 2007 cites Feschotte 1956 | Table 2, p. 4, row 4 report | |
| 370.95 | eutectic: Liquid -> Na + Ga39Na22 | Liquid: Na 1; Na: Na 1; Ga39Na22: Na 0.361 | experimental | [1] Wang 2007 cites Rinck 1960 | Table 2, p. 4, row 8 report | |
| 370.95 | eutectic: Liquid -> Na + Ga39Na22 | Liquid: Na 1; Na: Na 1; Ga39Na22: Na 0.361 | model | [1] Wang 2007 | Table 2, p. 4, row 7 report | |
| 302.95 | eutectic: Liquid -> Ga + Ga4Na | Liquid: Na 0; Ga: Na 0; Ga4Na: Na 0.2 | model | [1] Wang 2007 | Table 2, p. 4, row 1 report | |
| 302.95 | eutectic: Liquid -> Ga + Ga4Na | Liquid: Na 3.000e-5; Ga: Na 0; Ga4Na: Na 0.2 | experimental | [1] Wang 2007 cites Gilfillian 1934 | Table 2, p. 4, row 2 report |
Formation enthalpies
Literature values in kJ/mol-atom where the per-atom basis is known. DFT columns: the lowest-energy entry at the same composition (Materials Project 2026.04.13, OQMD v1.8; different energy references, never averaged), from dft_parity.json.
| Phase | Compound | Value | T (K) | Class | MP DFT (kJ/mol-atom) | OQMD DFT (kJ/mol-atom) | Source | Location | Quote |
|---|---|---|---|---|---|---|---|---|---|
| Ga39Na22 | -25.5 kJ/mol-atom | 723.15 | model | [1] Wang 2007 | Table 3, p. 4, row 4 report | ||||
| Ga39Na22 | -23.5 kJ/mol-atom | 723.15 | experimental | [1] Wang 2007 cites Zabdyr 1988 doi | Table 3, p. 4, row 6 report | ||||
| Ga39Na22 | -21.5 kJ/mol-atom | 723.15 | experimental | [1] Wang 2007 cites Gambino 1973 doi | Table 3, p. 4, row 5 report | ||||
| Ga4Na | Ga4Na | -20.9 kJ/mol-atom | 723.15 | experimental | -13.759 (mp-aaaaaarm) | -15.938 (oqmd-17259) | [1] Wang 2007 cites Zabdyr 1983 | Table 3, p. 4, row 3 report | |
| Ga4Na | Ga4Na | -20.1 kJ/mol-atom | 723.15 | model | -13.759 (mp-aaaaaarm) | -15.938 (oqmd-17259) | [1] Wang 2007 | Table 3, p. 4, row 1 report | |
| Ga4Na | Ga4Na | -17.5 kJ/mol-atom | 723.15 | experimental | -13.759 (mp-aaaaaarm) | -15.938 (oqmd-17259) | [1] Wang 2007 cites Gambino 1973 doi | Table 3, p. 4, row 2 report |
Sources
Reporting papers the values were read from (a value cited from another work names that work in its row).
- Jingfang Wang, Wenxia Yuan, Min Li, Thermodynamic modeling of the Ga–N–Na system, Journal of Crystal Growth 307, 59-65 (2007). doi:10.1016/j.jcrysgro.2007.05.044