# Ag–Zn system

> Ag–Zn system: 12 accepted literature values (invariant reaction 12) and 5 calculated phase diagram(s) from ORCHID, each value with evidence class, source, page and quote.

HTML: https://data.orchid-project.org/systems/AG-ZN.html · Markdown: https://data.orchid-project.org/systems/AG-ZN.md

12 accepted literature values from 1 paper(s) (experimental 6, model 6); 5 calculated phase diagram(s). 1 further extracted value(s) not accepted by the reader-agreement checks are only in the JSON/CSV.

Data: [JSON](https://data.orchid-project.org/literature/systems/AG-ZN.json) · [CSV](https://data.orchid-project.org/systems/AG-ZN.csv) · [interactive explorer](https://orchid-project.org/data-explorer/#AG-ZN) · [interactive phase diagram](https://orchid-project.org/phase-diagrams/#AG-ZN/AgZn-02Fri-LB.json) · [phases (7)](https://data.orchid-project.org/phases/pages/AG-ZN.html) · [papers (bibliography)](https://data.orchid-project.org/bibliography/pages/systems/AG-ZN.html) · [Markdown](https://data.orchid-project.org/systems/AG-ZN.md)

Table: Accepted values by evidence class

| Evidence class | Values |
|---|---:|
| experimental | 6 |
| model | 6 |

Table: Accepted values by property group

| Property group | Values |
|---|---:|
| invariant reaction | 12 |

## 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.

Table: Assessments with a calculated phase diagram

| TDB file | Assessment | SHA-256 | Links |
|---|---|---|---|
| AgZn-02Fri-LB.tdb | S.G. Fries, V. Witusiewicz, unpublished, 2002, based on the assessment by T. Gomez-Acebo, Calphad, 22, 203-20(1998). | `b8990d47caf560f946b84988555aed184443f47fb49142d5bbb3d8dab6a5cf66` | [viewer](https://orchid-project.org/phase-diagrams/#AG-ZN/AgZn-02Fri-LB.json) · [TDB](https://orchid-project.org/data/databases/sgte-binary/AgZn-02Fri-LB.tdb) · [JSON](https://data.orchid-project.org/phase-diagrams/sgte/AgZn-02Fri-LB.json) |
| AgZn-02Fri-SGSOL.tdb | S.G. Fries, V. Witusiewicz, unpublished, 2002, based on the assessment by T. Gomez-Acebo, Calphad, 22, 203-20(1998). | `0a185d9fbbf51abdf03908fcbc57a847196468956efef7d4cfde551c5d24b5ea` | [viewer](https://orchid-project.org/phase-diagrams/#AG-ZN/AgZn-02Fri-SGSOL.json) · [TDB](https://orchid-project.org/data/databases/sgte-binary/AgZn-02Fri-SGSOL.tdb) · [JSON](https://data.orchid-project.org/phase-diagrams/sgte/AgZn-02Fri-SGSOL.json) |
| AgZn-98Gom.tdb | T. Gomez-Acebo, Calphad, 22, 203-20(1998). [doi:10.1016/S0364-5916(98)00024-8](https://doi.org/10.1016/S0364-5916%2898%2900024-8) | `1bf7d9cb7ceb2d6fc4dbe035a3affecbb287e599d31daf07852d445fcf9ce745` | [viewer](https://orchid-project.org/phase-diagrams/#AG-ZN/AgZn-98Gom.json) · [TDB](https://orchid-project.org/data/databases/sgte-binary/AgZn-98Gom.tdb) · [JSON](https://data.orchid-project.org/phase-diagrams/sgte/AgZn-98Gom.json) |
| AgZn-99Lee.tdb | B.-J. Lee, unpublished, 1999. | `8d7d465d8d2edd39bea11847150f0b24842c16de39446e361a1ac60e37ebf4b9` | [viewer](https://orchid-project.org/phase-diagrams/#AG-ZN/AgZn-99Lee.json) · [TDB](https://orchid-project.org/data/databases/sgte-binary/AgZn-99Lee.tdb) · [JSON](https://data.orchid-project.org/phase-diagrams/sgte/AgZn-99Lee.json) |
| AgZn-99Oht.tdb | H. Ohtani, M. Miyashita, K. Ishida, J. Jpn. Inst. Met., 63, 685-94(1999). [doi:10.2320/jinstmet1952.63.6_685](https://doi.org/10.2320/jinstmet1952.63.6_685) | `8ee75db6e0e24c48b14763f33b4b8f9896dbcd06da3c3e2503567a2cc6e86cc2` | [viewer](https://orchid-project.org/phase-diagrams/#AG-ZN/AgZn-99Oht.json) · [TDB](https://orchid-project.org/data/databases/sgte-binary/AgZn-99Oht.tdb) · [JSON](https://data.orchid-project.org/phase-diagrams/sgte/AgZn-99Oht.json) |

Table: Calculated three-phase invariants (model, mole fraction of the second component)

| TDB file | T (K) | Phases at the invariant |
|---|---:|---|
| AgZn-02Fri-LB.tdb | 982.74 | FCC_A1 (x(Zn) 0.3245) + BCC_A2 (x(Zn) 0.37045) + LIQUID (x(Zn) 0.37312) |
| AgZn-02Fri-LB.tdb | 933.53 | BCC_A2 (x(Zn) 0.58244) + AG5ZN8_D82 (x(Zn) 0.6084) + LIQUID (x(Zn) 0.62331) |
| AgZn-02Fri-LB.tdb | 907.09 | AG5ZN8_D82 (x(Zn) 0.64782) + HCP_IM_A3 (x(Zn) 0.68876) + LIQUID (x(Zn) 0.70671) |
| AgZn-02Fri-LB.tdb | 706.59 | HCP_IM_A3 (x(Zn) 0.86607) + HCP_A3 (x(Zn) 0.95948) + LIQUID (x(Zn) 0.97924) |
| AgZn-02Fri-LB.tdb | 551.87 | BCC_A2 (x(Zn) 0.49621) + AGZN_BB (x(Zn) 0.50192) + AG5ZN8_D82 (x(Zn) 0.58573) |
| AgZn-02Fri-LB.tdb | 539.45 | FCC_A1 (x(Zn) 0.40305) + BCC_A2 (x(Zn) 0.44895) + AGZN_BB (x(Zn) 0.45892) |
| AgZn-02Fri-SGSOL.tdb | 982.74 | FCC_A1 (x(Zn) 0.3245) + BCC_A2 (x(Zn) 0.37045) + LIQUID (x(Zn) 0.37312) |
| AgZn-02Fri-SGSOL.tdb | 933.1 | BCC_A2 (x(Zn) 0.58331) + AG5ZN8_D82 (x(Zn) 0.61169) + LIQUID (x(Zn) 0.62441) |
| AgZn-02Fri-SGSOL.tdb | 903.37 | AG5ZN8_D82 (x(Zn) 0.63521) + HCP_IM_A3 (x(Zn) 0.68862) + LIQUID (x(Zn) 0.7077) |
| AgZn-02Fri-SGSOL.tdb | 704.04 | HCP_IM_A3 (x(Zn) 0.86521) + HCP_A3 (x(Zn) 0.96181) + LIQUID (x(Zn) 0.97802) |
| AgZn-02Fri-SGSOL.tdb | 543.16 | BCC_A2 (x(Zn) 0.48662) + AGZN_BB (x(Zn) 0.4916) + AG5ZN8_D82 (x(Zn) 0.60621) |
| AgZn-02Fri-SGSOL.tdb | 534.96 | FCC_A1 (x(Zn) 0.40393) + BCC_A2 (x(Zn) 0.44981) + AGZN_BB (x(Zn) 0.45834) |
| AgZn-98Gom.tdb | 982.48 | FCC_A1 (x(Zn) 0.32506) + BCC_A2 (x(Zn) 0.37075) + LIQUID (x(Zn) 0.37369) |
| AgZn-98Gom.tdb | 932.94 | BCC_A2 (x(Zn) 0.58222) + AG5ZN8_D82 (x(Zn) 0.60923) + LIQUID (x(Zn) 0.6233) |
| AgZn-98Gom.tdb | 906.68 | AG5ZN8_D82 (x(Zn) 0.64619) + HCP_IM_A3 (x(Zn) 0.69442) + LIQUID (x(Zn) 0.7062) |
| AgZn-98Gom.tdb | 705.81 | HCP_IM_A3 (x(Zn) 0.90314) + HCP_A3 (x(Zn) 0.96201) + LIQUID (x(Zn) 0.98098) |
| AgZn-98Gom.tdb | 552.02 | BCC_A2 (x(Zn) 0.49314) + AGZN_BB (x(Zn) 0.50056) + AG5ZN8_D82 (x(Zn) 0.58784) |
| AgZn-98Gom.tdb | 537.97 | FCC_A1 (x(Zn) 0.40271) + BCC_A2 (x(Zn) 0.44852) + AGZN_BB (x(Zn) 0.45988) |
| AgZn-99Lee.tdb | 982.96 | FCC_A1 (x(Zn) 0.32354) + BCC_A2 (x(Zn) 0.36607) + LIQUID (x(Zn) 0.37394) |
| AgZn-99Lee.tdb | 934.53 | BCC_A2 (x(Zn) 0.58648) + AG5ZN8_D82 (x(Zn) 0.60913) + LIQUID (x(Zn) 0.61803) |
| AgZn-99Lee.tdb | 903.66 | AG5ZN8_D82 (x(Zn) 0.64516) + HCP_IM_A3 (x(Zn) 0.69068) + LIQUID (x(Zn) 0.71093) |
| AgZn-99Lee.tdb | 704.87 | HCP_IM_A3 (x(Zn) 0.88577) + HCP_A3 (x(Zn) 0.96735) + LIQUID (x(Zn) 0.98185) |
| AgZn-99Lee.tdb | 543.82 | BCC_A2 (x(Zn) 0.49952) + AGZN_BB (x(Zn) 0.5033) + AG5ZN8_D82 (x(Zn) 0.58436) |
| AgZn-99Lee.tdb | 534.21 | FCC_A1 (x(Zn) 0.40408) + BCC_A2 (x(Zn) 0.4505) + AGZN_BB (x(Zn) 0.46399) |
| AgZn-99Lee.tdb | 328.92 | AGZN_BB (x(Zn) 0.52303) + AG5ZN8_D82 (x(Zn) 0.62304) + HCP_IM_A3 (x(Zn) 0.66582) |
| AgZn-99Oht.tdb | 982.34 | FCC_A1 (x(Zn) 0.34951) + BCC_A2 (x(Zn) 0.3782) + LIQUID (x(Zn) 0.38968) |
| AgZn-99Oht.tdb | 934.49 | BCC_A2 (x(Zn) 0.57367) + LIQUID (x(Zn) 0.60013) + AG5ZN8_D82 (x(Zn) 0.60114) |
| AgZn-99Oht.tdb | 918.44 | AG5ZN8_D82 (x(Zn) 0.64006) + HCP_IM_A3 (x(Zn) 0.67424) + LIQUID (x(Zn) 0.67968) |
| AgZn-99Oht.tdb | 711.89 | HCP_IM_A3 (x(Zn) 0.84749) + HCP_A3 (x(Zn) 0.9568) + LIQUID (x(Zn) 0.9778) |
| AgZn-99Oht.tdb | 535.65 | AGZN_BB (x(Zn) 0.50651) + BCC_A2 (x(Zn) 0.50706) + AG5ZN8_D82 (x(Zn) 0.58099) |
| AgZn-99Oht.tdb | 518.13 | FCC_A1 (x(Zn) 0.39173) + BCC_A2 (x(Zn) 0.42312) + AGZN_BB (x(Zn) 0.42748) |

Convex hulls: [Materials Project DFT hull](https://data.orchid-project.org/hulls/dft-mp/AG/AG-ZN.json) · [OQMD DFT hull](https://data.orchid-project.org/hulls/dft-oqmd/AG/AG-ZN.json) · [CALPHAD hull AgZn-02Fri-SGSOL](https://data.orchid-project.org/hulls/calphad-sgte/AG/AG-ZN--AgZn-02Fri-SGSOL.json) · [CALPHAD hull AgZn-98Gom](https://data.orchid-project.org/hulls/calphad-sgte/AG/AG-ZN--AgZn-98Gom.json) · [CALPHAD hull AgZn-99Lee](https://data.orchid-project.org/hulls/calphad-sgte/AG/AG-ZN--AgZn-99Lee.json) · [CALPHAD hull AgZn-99Oht](https://data.orchid-project.org/hulls/calphad-sgte/AG/AG-ZN--AgZn-99Oht.json)

## Invariant reactions (literature)

Table: Invariant reactions reported in the literature for the Ag–Zn system (12)

| T (K) | Reaction / phases | Compositions (mole fraction) | Class | Source | Location | Quote |
|---:|---|---|---|---|---|---|
| 983 | α + L -> β | α: Zn 0.321; β: Zn 0.367; L: Zn 0.375 | experimental | [1] Gómez-Acebo 1998; _cites ref. 90Mas_ | Table 1, p. 3, row 1; `ORC-2W6UWTOOHT` |  |
| 983 | α + L -> β | α: Zn 0.325; β: Zn 0.371; L: Zn 0.374 | model | [1] Gómez-Acebo 1998 | Table 1, p. 3, row 2; `ORC-TNNAALITD4` |  |
| 934 | β + L -> γ | β: Zn 0.586; γ: Zn 0.61; L: Zn 0.618 | experimental | [1] Gómez-Acebo 1998; _cites ref. 90Mas_ | Table 1, p. 3, row 3; `ORC-NXFKNHSONY` |  |
| 933 | β + L -> γ | β: Zn 0.582; γ: Zn 0.609; L: Zn 0.623 | model | [1] Gómez-Acebo 1998 | Table 1, p. 3, row 4; `ORC-YZCJJZXMPT` |  |
| 907 | γ + L -> ε | γ: Zn 0.646; ε: Zn 0.694; L: Zn 0.706 | model | [1] Gómez-Acebo 1998 | Table 1, p. 3, row 6; `ORC-WT6AFOBA7S` |  |
| 904 | γ + L -> ε | γ: Zn 0.647; ε: Zn 0.694; L: Zn 0.71 | experimental | [1] Gómez-Acebo 1998; _cites ref. 90Mas_ | Table 1, p. 3, row 5; `ORC-JQQZQIRHFY` |  |
| 706 | ε + L -> η | ε: Zn 0.903; η: Zn 0.962; L: Zn 0.981 | model | [1] Gómez-Acebo 1998 | Table 1, p. 3, row 8; `ORC-2D6YUFINVL` |  |
| 704 | ε + L -> η | ε: Zn 0.89; η: Zn 0.95; L: Zn 0.98 | experimental | [1] Gómez-Acebo 1998; _cites ref. 90Mas_ | Table 1, p. 3, row 7; `ORC-SCHBZFPOPU` |  |
| 552 | β + γ -> ζ | β: Zn 0.493; ζ: Zn 0.501; γ: Zn 0.588 | model | [1] Gómez-Acebo 1998 | Table 1, p. 3, row 12; `ORC-GM3C2HSDJ4` |  |
| 547 | β + γ -> ζ | ζ: Zn 0.504; γ: Zn 0.585 | experimental | [1] Gómez-Acebo 1998; _cites ref. 90Mas_ | Table 1, p. 3, row 11; `ORC-GBUV6RPBAV` |  |
| 538 | β -> α + ζ | α: Zn 0.403; β: Zn 0.449; ζ: Zn 0.46 | model | [1] Gómez-Acebo 1998 | Table 1, p. 3, row 10; `ORC-THFIZ7CUZO` |  |
| 531 | β -> α + ζ | α: Zn 0.402; ζ: Zn 0.456 | experimental | [1] Gómez-Acebo 1998; _cites ref. 90Mas_ | Table 1, p. 3, row 9; `ORC-MK2OOW2RTI` |  |

## Sources

Reporting papers the values were read from (a value cited from another work names that work in its row).

1. T. Gómez-Acebo, Thermodynamic assessment of the Ag-Zn system, Calphad 22, 203-220 (1998). [doi:10.1016/s0364-5916(98)00024-8](https://doi.org/10.1016/s0364-5916%2898%2900024-8)

## Please cite

- R. Arróyave, J. Saal, D. Shin, ORCHID-Values: thermodynamic and phase-equilibrium values read from the literature (version 2026.10; Version 1, machine-extracted), Zenodo (2026). https://doi.org/10.5281/zenodo.23735569
- R. Arróyave, J. Saal, D. Shin, ORCHID-Diagrams: calculated binary phase diagrams (version 2026.10), Zenodo (2026). https://doi.org/10.5281/zenodo.23735859
- R. Arróyave, J. Saal, D. Shin, ORCHID-Hulls: binary convex hulls (Materials Project, OQMD, assessed CALPHAD) (version 2026.10), Zenodo (2026). https://doi.org/10.5281/zenodo.23735891
- R. Arróyave, J. Saal, D. Shin, ORCHID data: umbrella record of the ORCHID datasets (version 2026.10; Version 1, machine-extracted), Zenodo (2026). https://doi.org/10.5281/zenodo.23736065

Also cite the original source of every value you use (paper_citation / paper_doi, and cited_dois for values the paper cites from earlier work); B. Hallstedt, The SGTE collection of binary datasets, Calphad 89 (2025) 102833, https://doi.org/10.1016/j.calphad.2025.102833 (CC BY 4.0), and the original assessment named in each file; A. Jain et al., The Materials Project: A materials genome approach to accelerating materials innovation, APL Materials 1 (2013) 011002, https://doi.org/10.1063/1.4812323 (CC BY 4.0); J. E. Saal et al., JOM 65 (2013) 1501, https://doi.org/10.1007/s11837-013-0755-4 and S. Kirklin et al., npj Comput. Mater. 1 (2015) 15010, https://doi.org/10.1038/npjcompumats.2015.10 (CC BY 4.0).

Version 1, machine-extracted: values were read by language-model readers constrained to quote their source and checked automatically, and the release was then audited on the printed pages by adversarial audits, an independent second review of fit-facing records and a preliminary human review of a frozen sample. Flags such as accepted and ESPEI-ready record screening results, not certification; known issues are listed in the release notes.

```bibtex
@misc{orchid_literature_2026,
  author    = {Arr{\'o}yave, Raymundo and Saal, James and Shin, Dongwon},
  title     = {{ORCHID-Values: thermodynamic and phase-equilibrium values read from the literature}},
  version   = {2026.10},
  publisher = {Zenodo},
  year      = {2026},
  doi       = {10.5281/zenodo.23735569},
  url       = {https://doi.org/10.5281/zenodo.23735569},
  note      = {Version 1, machine-extracted}
}

@misc{orchid_phase_diagrams_2026,
  author    = {Arr{\'o}yave, Raymundo and Saal, James and Shin, Dongwon},
  title     = {{ORCHID-Diagrams: calculated binary phase diagrams}},
  version   = {2026.10},
  publisher = {Zenodo},
  year      = {2026},
  doi       = {10.5281/zenodo.23735859},
  url       = {https://doi.org/10.5281/zenodo.23735859}
}

@misc{orchid_hulls_2026,
  author    = {Arr{\'o}yave, Raymundo and Saal, James and Shin, Dongwon},
  title     = {{ORCHID-Hulls: binary convex hulls (Materials Project, OQMD, assessed CALPHAD)}},
  version   = {2026.10},
  publisher = {Zenodo},
  year      = {2026},
  doi       = {10.5281/zenodo.23735891},
  url       = {https://doi.org/10.5281/zenodo.23735891}
}

@misc{orchid_data_2026,
  author    = {Arr{\'o}yave, Raymundo and Saal, James and Shin, Dongwon},
  title     = {{ORCHID data: umbrella record of the ORCHID datasets}},
  version   = {2026.10},
  publisher = {Zenodo},
  year      = {2026},
  doi       = {10.5281/zenodo.23736065},
  url       = {https://doi.org/10.5281/zenodo.23736065},
  note      = {Version 1, machine-extracted}
}
```

---

Derived data CC BY 4.0 ([licence](https://creativecommons.org/licenses/by/4.0/)): cite ORCHID ([CITATION.cff](https://data.orchid-project.org/CITATION.cff)) and the original sources. Quotes are short excerpts kept so that each value can be checked; they remain under the publishers' copyright and are not relicensed. Source papers, page images and full text are not redistributed. Field reference: [SCHEMA.md](https://data.orchid-project.org/literature/SCHEMA.md). Machine-readable guide: [llms.txt](https://data.orchid-project.org/llms.txt). Found an error? The report link of a value (Markdown: its id, ORC-..., in the Location column) opens a pre-filled GitHub issue, https://github.com/orchid-calphad/orchid-data/issues/new?template=report-value-error.yml&record_id=\<id>, carrying only the record id, source and value; [how to contribute](https://orchid-project.org/contribute/).