# Cd–Gd system

> Cd–Gd system: 94 accepted literature values (invariant reaction 74, formation 15, activity / EMF / Gibbs energy 4, phase transition 1) and 3 calculated phase diagram(s) from ORCHID, each value with evidence class, source, page and quote.

HTML: https://data.orchid-project.org/systems/CD-GD.html · Markdown: https://data.orchid-project.org/systems/CD-GD.md

94 accepted literature values from 2 paper(s) (experimental 43, model 43, unspecified 8); 3 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/CD-GD.json) · [CSV](https://data.orchid-project.org/systems/CD-GD.csv) · [interactive explorer](https://orchid-project.org/data-explorer/#CD-GD) · [interactive phase diagram](https://orchid-project.org/phase-diagrams/#CD-GD/CdGd-01Kur.json) · [phases (13)](https://data.orchid-project.org/phases/pages/CD-GD.html) · [papers (bibliography)](https://data.orchid-project.org/bibliography/pages/systems/CD-GD.html) · [Markdown](https://data.orchid-project.org/systems/CD-GD.md)

Table: Accepted values by evidence class

| Evidence class | Values |
|---|---:|
| experimental | 43 |
| model | 43 |
| unspecified | 8 |

Table: Accepted values by property group

| Property group | Values |
|---|---:|
| invariant reaction | 74 |
| phase transition | 1 |
| formation | 15 |
| activity / EMF / Gibbs energy | 4 |

## 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 |
|---|---|---|---|
| CdGd-01Kur.tdb | M. Kurata, Y. Sakamura, J. Phase Equilib., 22, 232-40(2001). [doi:10.1361/105497101770338707](https://doi.org/10.1361/105497101770338707) | `97df537966dc77f972081f2fdd64243431c85f7e98187037b39185366e9d7e21` | [viewer](https://orchid-project.org/phase-diagrams/#CD-GD/CdGd-01Kur.json) · [TDB](https://orchid-project.org/data/databases/sgte-binary/CdGd-01Kur.tdb) · [JSON](https://data.orchid-project.org/phase-diagrams/sgte/CdGd-01Kur.json) |
| CdGd-19Liu.tdb | J. Liu, F. Li, C. Guo, Q. Li, J. Liu, X. Zhang, J. Xiao, J. Phase Equilib. Diffus., 40, 732-42(2019). [doi:10.1007/s11669-019-00759-3](https://doi.org/10.1007/s11669-019-00759-3) | `356df5888b105f3a47db80a9d88f72b2e625e4db64b9f5da3813c9b751b6b341` | [viewer](https://orchid-project.org/phase-diagrams/#CD-GD/CdGd-19Liu.json) · [TDB](https://orchid-project.org/data/databases/sgte-binary/CdGd-19Liu.tdb) · [JSON](https://data.orchid-project.org/phase-diagrams/sgte/CdGd-19Liu.json) |
| CdGd-24Azz.tdb | H. Azza, M. Ait Boukideur, K. Achgar, M. Idbenali, N. Selhaoui, J. Phase Equilib. Diffus., 45, 714-22(2024). [doi:10.1007/s11669-024-01127-6](https://doi.org/10.1007/s11669-024-01127-6) | `4917656bbc153c995a56b1e3266d95eeda49b6d1c0d0b0b1887916bcb1231b8b` | [viewer](https://orchid-project.org/phase-diagrams/#CD-GD/CdGd-24Azz.json) · [TDB](https://orchid-project.org/data/databases/sgte-binary/CdGd-24Azz.tdb) · [JSON](https://data.orchid-project.org/phase-diagrams/sgte/CdGd-24Azz.json) |

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

| TDB file | T (K) | Phases at the invariant |
|---|---:|---|
| CdGd-01Kur.tdb | 1508.16 | LIQUID (x(Gd) 0.96749) + HCP_A3 (x(Gd) 1) + BCC_A2 (x(Gd) 1) |
| CdGd-01Kur.tdb | 1508.16 | LIQUID (x(Gd) 0.96745) + BCC_A2 (x(Gd) 1) + HCP_A3 (x(Gd) 1) |
| CdGd-01Kur.tdb | 1508.16 | LIQUID (x(Gd) 0.96737) + BCC_A2 (x(Gd) 1) + HCP_A3 (x(Gd) 1) |
| CdGd-01Kur.tdb | 1508.16 | LIQUID (x(Gd) 0.96749) + HCP_A3 (x(Gd) 1) + BCC_A2 (x(Gd) 1) |
| CdGd-01Kur.tdb | 1277.97 | LIQUID (x(Gd) 0.31807) + CD2GD (x(Gd) 0.33333) + CDGD_B2 (x(Gd) 0.5) |
| CdGd-01Kur.tdb | 1277.97 | LIQUID (x(Gd) 0.31801) + CD2GD (x(Gd) 0.33333) + CDGD_B2 (x(Gd) 0.5) |
| CdGd-01Kur.tdb | 1277.97 | LIQUID (x(Gd) 0.3181) + CD2GD (x(Gd) 0.33333) + CDGD_B2 (x(Gd) 0.5) |
| CdGd-01Kur.tdb | 1088.15 | LIQUID (x(Gd) 0.18356) + CD3GD_D019 (x(Gd) 0.25) + CD2GD (x(Gd) 0.33333) |
| CdGd-01Kur.tdb | 1088.15 | LIQUID (x(Gd) 0.18351) + CD3GD_D019 (x(Gd) 0.25) + CD2GD (x(Gd) 0.33333) |
| CdGd-01Kur.tdb | 1088.15 | LIQUID (x(Gd) 0.18365) + CD3GD_D019 (x(Gd) 0.25) + CD2GD (x(Gd) 0.33333) |
| CdGd-01Kur.tdb | 1076.27 | LIQUID (x(Gd) 0.1744) + CD45GD11 (x(Gd) 0.19643) + CD3GD_D019 (x(Gd) 0.25) |
| CdGd-01Kur.tdb | 1076.27 | LIQUID (x(Gd) 0.17433) + CD45GD11 (x(Gd) 0.19643) + CD3GD_D019 (x(Gd) 0.25) |
| CdGd-01Kur.tdb | 1076.27 | LIQUID (x(Gd) 0.17444) + CD45GD11 (x(Gd) 0.19643) + CD3GD_D019 (x(Gd) 0.25) |
| CdGd-01Kur.tdb | 1074.21 | LIQUID (x(Gd) 0.16976) + CD58GD13 (x(Gd) 0.1831) + CD45GD11 (x(Gd) 0.19643) |
| CdGd-01Kur.tdb | 1074.21 | LIQUID (x(Gd) 0.16971) + CD58GD13 (x(Gd) 0.1831) + CD45GD11 (x(Gd) 0.19643) |
| CdGd-01Kur.tdb | 1074.21 | LIQUID (x(Gd) 0.16971) + CD58GD13 (x(Gd) 0.1831) + CD45GD11 (x(Gd) 0.19643) |
| CdGd-01Kur.tdb | 996.01 | LIQUID (x(Gd) 0.09439) + CD6GD (x(Gd) 0.14286) + CD58GD13 (x(Gd) 0.1831) |
| CdGd-01Kur.tdb | 996 | LIQUID (x(Gd) 0.09452) + CD6GD (x(Gd) 0.14286) + CD58GD13 (x(Gd) 0.1831) |
| CdGd-01Kur.tdb | 996 | LIQUID (x(Gd) 0.0946) + CD6GD (x(Gd) 0.14286) + CD58GD13 (x(Gd) 0.1831) |
| CdGd-01Kur.tdb | 922.3 | CDGD_B2 (x(Gd) 0.5) + LIQUID (x(Gd) 0.79849) + HCP_A3 (x(Gd) 1) |
| CdGd-01Kur.tdb | 922.3 | CDGD_B2 (x(Gd) 0.5) + LIQUID (x(Gd) 0.79853) + HCP_A3 (x(Gd) 1) |
| CdGd-01Kur.tdb | 922.3 | CDGD_B2 (x(Gd) 0.5) + LIQUID (x(Gd) 0.79847) + HCP_A3 (x(Gd) 1) |
| CdGd-01Kur.tdb | 593.53 | HCP_A3 (x(Gd) 0) + LIQUID (x(Gd) 0.0014) + CD6GD (x(Gd) 0.14286) |
| CdGd-01Kur.tdb | 593.53 | HCP_A3 (x(Gd) 0) + LIQUID (x(Gd) 0.0014) + CD6GD (x(Gd) 0.14286) |
| CdGd-19Liu.tdb | 1356.62 | LIQUID (x(Gd) 0.33084) + CD2GD_HT (x(Gd) 0.3369) + CDGD_B2 (x(Gd) 0.4987) |
| CdGd-19Liu.tdb | 1315.08 | CDGD_B2 (x(Gd) 0.52193) + LIQUID (x(Gd) 0.73372) + BCC_A2 (x(Gd) 0.77227) |
| CdGd-19Liu.tdb | 1262.73 | LIQUID (x(Gd) 0.24219) + CD2GD_C32 (x(Gd) 0.32377) + CD2GD_HT (x(Gd) 0.33304) |
| CdGd-19Liu.tdb | 1258.47 | CD2GD_C32 (x(Gd) 0.33267) + CD2GD_HT (x(Gd) 0.33411) + CDGD_B2 (x(Gd) 0.49831) |
| CdGd-19Liu.tdb | 1105.25 | LIQUID (x(Gd) 0.14575) + CD3GD_D019 (x(Gd) 0.25) + CD2GD_C32 (x(Gd) 0.2951) |
| CdGd-19Liu.tdb | 1099.13 | LIQUID (x(Gd) 0.14179) + CD45GD11 (x(Gd) 0.19287) + CD3GD_D019 (x(Gd) 0.25) |
| CdGd-19Liu.tdb | 1099.13 | LIQUID (x(Gd) 0.14193) + CD45GD11 (x(Gd) 0.19291) + CD3GD_D019 (x(Gd) 0.25) |
| CdGd-19Liu.tdb | 1007.42 | LIQUID (x(Gd) 0.0743) + CD6GD (x(Gd) 0.14286) + CD45GD11 (x(Gd) 0.17484) |
| CdGd-19Liu.tdb | 1007.42 | LIQUID (x(Gd) 0.07435) + CD6GD (x(Gd) 0.14286) + CD45GD11 (x(Gd) 0.17486) |
| CdGd-19Liu.tdb | 938.53 | CDGD_B2 (x(Gd) 0.52272) + BCC_A2 (x(Gd) 0.89713) + HCP_A3 (x(Gd) 0.98213) |
| CdGd-19Liu.tdb | 733.35 | LIQUID (x(Gd) 8.400e-4) + CD8GD (x(Gd) 0.11111) + CD6GD (x(Gd) 0.14286) |
| CdGd-19Liu.tdb | 733.35 | LIQUID (x(Gd) 8.500e-4) + CD8GD (x(Gd) 0.11111) + CD6GD (x(Gd) 0.14286) |
| CdGd-19Liu.tdb | 733.35 | LIQUID (x(Gd) 8.400e-4) + CD8GD (x(Gd) 0.11111) + CD6GD (x(Gd) 0.14286) |
| CdGd-19Liu.tdb | 600.49 | CD6GD (x(Gd) 0.14286) + CD58GD13 (x(Gd) 0.1831) + CD45GD11 (x(Gd) 0.19639) |
| CdGd-19Liu.tdb | 600.49 | CD6GD (x(Gd) 0.14286) + CD58GD13 (x(Gd) 0.1831) + CD45GD11 (x(Gd) 0.19639) |
| CdGd-19Liu.tdb | 600.49 | CD6GD (x(Gd) 0.14286) + CD58GD13 (x(Gd) 0.1831) + CD45GD11 (x(Gd) 0.19639) |
| CdGd-19Liu.tdb | 594.22 | LIQUID (x(Gd) 0) + HCP_A3 (x(Gd) 0) + CD8GD (x(Gd) 0.11111) |
| CdGd-19Liu.tdb | 594.22 | HCP_A3 (x(Gd) 0) + LIQUID (x(Gd) 0) + CD8GD (x(Gd) 0.11111) |
| CdGd-24Azz.tdb | 1569.02 | HCP_A3 (x(Gd) 1) + LIQUID (x(Gd) 1) + BCC_A2 (x(Gd) 1) |
| CdGd-24Azz.tdb | 1267.17 | LIQUID (x(Gd) 0.34033) + CD2GD_HT (x(Gd) 0.35826) + CDGD_B2 (x(Gd) 0.48775) |
| CdGd-24Azz.tdb | 1213.52 | CD2GD_HT (x(Gd) 0.35436) + CD2GD_C32 (x(Gd) 0.35437) + CDGD_B2 (x(Gd) 0.4873) |
| CdGd-24Azz.tdb | 1202.1 | LIQUID (x(Gd) 0.26485) + CD2GD_HT (x(Gd) 0.33861) + CD2GD_C32 (x(Gd) 0.33861) |
| CdGd-24Azz.tdb | 1166.09 | CDGD_B2 (x(Gd) 0.5068) + LIQUID (x(Gd) 0.73105) + BCC_A2 (x(Gd) 0.77721) |
| CdGd-24Azz.tdb | 1103.69 | LIQUID (x(Gd) 0.2122) + CD3GD_D019 (x(Gd) 0.25) + CD2GD_C32 (x(Gd) 0.33409) |
| CdGd-24Azz.tdb | 1077.6 | CD45GD11 (x(Gd) 0.18809) + LIQUID (x(Gd) 0.18936) + CD3GD_D019 (x(Gd) 0.25) |
| CdGd-24Azz.tdb | 1018.02 | CDGD_B2 (x(Gd) 0.51141) + BCC_A2 (x(Gd) 0.84462) + HCP_A3 (x(Gd) 0.91472) |
| CdGd-24Azz.tdb | 1002.81 | LIQUID (x(Gd) 0.11027) + CD6GD (x(Gd) 0.15379) + CD45GD11 (x(Gd) 0.17332) |
| CdGd-24Azz.tdb | 727.92 | LIQUID (x(Gd) 0.02105) + CD8GD (x(Gd) 0.11111) + CD6GD (x(Gd) 0.14002) |
| CdGd-24Azz.tdb | 727.92 | LIQUID (x(Gd) 0.02105) + CD8GD (x(Gd) 0.11111) + CD6GD (x(Gd) 0.14002) |
| CdGd-24Azz.tdb | 727.92 | LIQUID (x(Gd) 0.02105) + CD8GD (x(Gd) 0.11111) + CD6GD (x(Gd) 0.14002) |
| CdGd-24Azz.tdb | 592.12 | HCP_A3 (x(Gd) 0) + LIQUID (x(Gd) 0.0038) + CD8GD (x(Gd) 0.11111) |
| CdGd-24Azz.tdb | 592.12 | HCP_A3 (x(Gd) 0) + LIQUID (x(Gd) 0.00376) + CD8GD (x(Gd) 0.11111) |
| CdGd-24Azz.tdb | 592.12 | HCP_A3 (x(Gd) 0) + LIQUID (x(Gd) 0.00374) + CD8GD (x(Gd) 0.11111) |

Convex hulls: [Materials Project DFT hull](https://data.orchid-project.org/hulls/dft-mp/CD/CD-GD.json) · [OQMD DFT hull](https://data.orchid-project.org/hulls/dft-oqmd/CD/CD-GD.json) · [CALPHAD hull CdGd-01Kur](https://data.orchid-project.org/hulls/calphad-sgte/CD/CD-GD--CdGd-01Kur.json) · [CALPHAD hull CdGd-19Liu](https://data.orchid-project.org/hulls/calphad-sgte/CD/CD-GD--CdGd-19Liu.json)

## Invariant reactions (literature)

Table: Invariant reactions reported in the literature for the Cd–Gd system (74)

| T (K) | Reaction / phases | Compositions (mole fraction) | Class | Source | Location | Quote |
|---:|---|---|---|---|---|---|
| 1443.15 | congruent melting: CdGd -> L | CdGd: Cd 0.5 | experimental | [1] Azza 2024; _cites Gschneidner 1988_ [doi](https://doi.org/10.1007/bf02877453) | Table 3, p. 7, row 7; `ORC-DFI5IGZ4N3` |  |
| 1443 | congruent melting: liq. -> CdGd | liq.: Cd 0.5, Gd 0.5; CdGd: Cd 0.5, Gd 0.5 | experimental | [2] Liu 2019; _cites Bruzzone 1971_ [doi](https://doi.org/10.1016/0022-5088%2871%2990153-6) | Table 2, p. 8, row 45; `ORC-BSWJAK7NVU` |  |
| 1443 | congruent melting: liq. -> CdGd | liq.: Cd 0.5, Gd 0.5; CdGd: Cd 0.5, Gd 0.5 | unspecified | [2] Liu 2019; _cites Gschneidner 1988_ [doi](https://doi.org/10.1007/bf02877453) | Table 2, p. 8, row 46; `ORC-LTQTZZ563W` |  |
| 1425 | congruent melting: liq. -> CdGd | liq.: Gd 0.5035; CdGd: Cd 0.5, Gd 0.5 | model | [2] Liu 2019 | Table 2, p. 8, row 43; `ORC-KR37HYJYTQ` |  |
| 1423.15 | congruent melting: CdGd -> L | CdGd: Cd 0.5 | model | [1] Azza 2024 | Table 3, p. 7, row 9; `ORC-DR6KIJURAP` |  |
| 1420.15 | congruent melting: CdGd -> L | CdGd: Cd 0.5 | experimental | [1] Azza 2024; _cites Reichmann 2014_ [doi](https://doi.org/10.1016/j.jallcom.2014.07.211) | Table 3, p. 7, row 8; `ORC-LZKAQOUDLU` |  |
| 1420 | congruent melting: liq. -> CdGd | liq.: Cd 0.5, Gd 0.5; CdGd: Cd 0.5, Gd 0.5 | experimental | [2] Liu 2019; _cites Reichmann 2014_ [doi](https://doi.org/10.1016/j.jallcom.2014.07.211) | Table 2, p. 8, row 44; `ORC-EULOQG5JNB` |  |
| 1420 | congruent melting: liq. -> CdGd | liq.: Gd 0.503; CdGd: Cd 0.5, Gd 0.5 | model | [2] Liu 2019 | Table 2, p. 8, row 42; `ORC-OK5EQHLERJ` |  |
| 1283.15 | peritectic: L + CdGd -> β- Cd2Gd | L: Cd 0.672; CdGd: Cd 0.5; β- Cd2Gd: Cd 0.667 | experimental | [1] Azza 2024; _cites Gschneidner 1988_ [doi](https://doi.org/10.1007/bf02877453) | Table 3, p. 7, row 14; `ORC-APP7LGTLAW` |  |
| 1283 | liq. + CdGd -> β-Cd2Gd | CdGd: Cd 0.5, Gd 0.5; β-Cd2Gd: Cd 0.666667, Gd 0.333333 | unspecified | [2] Liu 2019; _cites Gschneidner 1988_ [doi](https://doi.org/10.1007/bf02877453) | Table 2, p. 8, row 5; `ORC-DC3M4NR7XW` |  |
| 1283 | liq. + CdGd -> β-Cd2Gd | CdGd: Cd 0.5, Gd 0.5; β-Cd2Gd: Cd 0.666667, Gd 0.333333 | experimental | [2] Liu 2019; _cites Bruzzone 1971_ [doi](https://doi.org/10.1016/0022-5088%2871%2990153-6) | Table 2, p. 8, row 4; `ORC-XU3BKKXDFX` |  |
| 1271.15 | peritectic: L + CdGd -> β- Cd2Gd | L: Cd 0.683; CdGd: Cd 0.512; β- Cd2Gd: Cd 0.661 | experimental | [1] Azza 2024; _cites Reichmann 2014_ [doi](https://doi.org/10.1016/j.jallcom.2014.07.211) | Table 3, p. 7, row 15; `ORC-244OJFWICJ` |  |
| 1271 | liq. + CdGd -> β-Cd2Gd | liq.: Gd 0.2949; CdGd: Gd 0.5815; β-Cd2Gd: Gd 0.3343 | model | [2] Liu 2019 | Table 2, p. 8, row 1; `ORC-FBGDX26W6H` |  |
| 1271 | liq. + CdGd -> β-Cd2Gd | liq.: Gd 0.317; CdGd: Gd 0.488; β-Cd2Gd: Gd 0.339 | experimental | [2] Liu 2019; _cites Reichmann 2014_ [doi](https://doi.org/10.1016/j.jallcom.2014.07.211) | Table 2, p. 8, row 3; `ORC-OUFKBMMAGZ` |  |
| 1270 | liq. + CdGd -> β-Cd2Gd | liq.: Gd 0.3139; CdGd: Gd 0.4764; β-Cd2Gd: Gd 0.335 | model | [2] Liu 2019 | Table 2, p. 8, row 2; `ORC-SUI7DA2ASC` |  |
| 1269 | polymorphic: β-Cd2Gd -> α-Cd2Gd | β-Cd2Gd: Cd 0.666667, Gd 0.333333; α-Cd2Gd: Cd 0.666667, Gd 0.333333 | experimental | [2] Liu 2019; _cites Bruzzone 1971_ [doi](https://doi.org/10.1016/0022-5088%2871%2990153-6) | Table 2, p. 8, row 9; `ORC-FA45SEDJNW` |  |
| 1268.15 | polymorphic: α- Cd2Gd -> β- Cd2Gd | α- Cd2Gd: Cd 0.666667, Gd 0.333333; β- Cd2Gd: Cd 0.666667, Gd 0.333333 | experimental | [1] Azza 2024; _cites Gschneidner 1988_ [doi](https://doi.org/10.1007/bf02877453) | Table 3, p. 7, row 10; `ORC-TJFGAWQIFL` |  |
| 1268 | polymorphic: β-Cd2Gd -> α-Cd2Gd | β-Cd2Gd: Cd 0.666667, Gd 0.333333; α-Cd2Gd: Cd 0.666667, Gd 0.333333 | unspecified | [2] Liu 2019; _cites Gschneidner 1988_ [doi](https://doi.org/10.1007/bf02877453) | Table 2, p. 8, row 10; `ORC-RVHSHQINWR` |  |
| 1267.95 | peritectic: L + CdGd -> β- Cd2Gd | L: Cd 0.659; CdGd: Cd 0.512; β- Cd2Gd: Cd 0.642 | model | [1] Azza 2024 | Table 3, p. 7, row 16; `ORC-G4ROKGZ6UW` |  |
| 1262.25 | peritectoid: β- Cd2Gd + CdGd -> α- Cd2Gd | β- Cd2Gd: Cd 0.642; CdGd: Cd 0.513; α- Cd2Gd: Cd 0.642 | model | [1] Azza 2024 | Table 3, p. 7, row 12; `ORC-ZIRMEAU2KD` |  |
| 1259.15 | polymorphic: α- Cd2Gd -> β- Cd2Gd | α- Cd2Gd: Cd 0.666667, Gd 0.333333; β- Cd2Gd: Cd 0.666667, Gd 0.333333 | experimental | [1] Azza 2024; _cites Reichmann 2014_ [doi](https://doi.org/10.1016/j.jallcom.2014.07.211) | Table 3, p. 7, row 11; `ORC-3NPZTLSEAS` |  |
| 1259 | polymorphic: β-Cd2Gd -> α-Cd2Gd | β-Cd2Gd: Cd 0.666667, Gd 0.333333; α-Cd2Gd: Cd 0.666667, Gd 0.333333 | model | [2] Liu 2019 | Table 2, p. 8, row 6; `ORC-6SAZSNHWJV` |  |
| 1259 | polymorphic: β-Cd2Gd -> α-Cd2Gd | β-Cd2Gd: Cd 0.666667, Gd 0.333333; α-Cd2Gd: Cd 0.666667, Gd 0.333333 | experimental | [2] Liu 2019; _cites Reichmann 2014_ [doi](https://doi.org/10.1016/j.jallcom.2014.07.211) | Table 2, p. 8, row 8; `ORC-WAX3JAZ76N` |  |
| 1257.25 | metatectic/catatectic: β- Cd2Gd -> L + α- Cd2Gd | β- Cd2Gd: Cd 0.645; L: Cd 0.681; α- Cd2Gd: Cd 0.649 | model | [1] Azza 2024 | Table 3, p. 7, row 13; `ORC-UO2HQBOQQS` |  |
| 1210.15 | eutectic: L -> CdGd + (βGd) | L: Cd 0.27; CdGd: Cd 0.5; (βGd): Cd 0.22 | experimental | [1] Azza 2024; _cites Gschneidner 1988_ [doi](https://doi.org/10.1007/bf02877453) | Table 3, p. 7, row 4; `ORC-VRX6DUMPT2` |  |
| 1210 | eutectic: liq. -> CdGd + bcc | liq.: Gd 0.8354; CdGd: Gd 0.5281; bcc: Gd 0.8858 | model | [2] Liu 2019 | Table 2, p. 8, row 11; `ORC-B6N2EJ7JU6` |  |
| 1210 | eutectic: liq. -> CdGd + bcc | liq.: Gd 0.73; CdGd: Cd 0.5, Gd 0.5 | unspecified | [2] Liu 2019; _cites Gschneidner 1988_ [doi](https://doi.org/10.1007/bf02877453) | Table 2, p. 8, row 15; `ORC-QEPIA4E5AR` |  |
| 1193 | eutectic: liq. -> CdGd + bcc | CdGd: Cd 0.5, Gd 0.5 | experimental | [2] Liu 2019; _cites Bruzzone 1971_ [doi](https://doi.org/10.1016/0022-5088%2871%2990153-6) | Table 2, p. 8, row 14; `ORC-AQ66X44SOD` |  |
| 1168.15 | eutectic: L -> CdGd + (βGd) | L: Cd 0.265; CdGd: Cd 0.49; (βGd): Cd 0.226 | experimental | [1] Azza 2024; _cites Reichmann 2014_ [doi](https://doi.org/10.1016/j.jallcom.2014.07.211) | Table 3, p. 7, row 5; `ORC-R354FUMQ43` |  |
| 1168 | eutectic: liq. -> CdGd + bcc | liq.: Gd 0.7631; CdGd: Gd 0.47; bcc: Gd 0.8329 | model | [2] Liu 2019 | Table 2, p. 8, row 12; `ORC-EA7CVCQNNR` |  |
| 1168 | eutectic: liq. -> CdGd + bcc | liq.: Gd 0.735; CdGd: Gd 0.51; bcc: Gd 0.774 | experimental | [2] Liu 2019; _cites Reichmann 2014_ [doi](https://doi.org/10.1016/j.jallcom.2014.07.211) | Table 2, p. 8, row 13; `ORC-XLC535ZMID` |  |
| 1166.05 | eutectic: L -> CdGd + (βGd) | L: Cd 0.269; CdGd: Cd 0.493; (βGd): Cd 0.223 | model | [1] Azza 2024 | Table 3, p. 7, row 6; `ORC-S626OT4KIE` |  |
| 1102.95 | peritectic: L + α- Cd2Gd -> Cd3Gd | L: Cd 0.789; α- Cd2Gd: Cd 0.666; Cd3Gd: Cd 0.75 | model | [1] Azza 2024 | Table 3, p. 7, row 19; `ORC-GPM7WCTABW` |  |
| 1092.15 | peritectic: L + α- Cd2Gd -> Cd3Gd | L: Cd 0.79; α- Cd2Gd: Cd 0.671; Cd3Gd: Cd 0.75 | experimental | [1] Azza 2024; _cites Reichmann 2014_ [doi](https://doi.org/10.1016/j.jallcom.2014.07.211) | Table 3, p. 7, row 18; `ORC-BHLKFCQTXL` |  |
| 1092 | liq. + α-Cd2Gd -> Cd3Gd | liq.: Gd 0.21; α-Cd2Gd: Gd 0.329; Cd3Gd: Gd 0.25 | experimental | [2] Liu 2019; _cites Reichmann 2014_ [doi](https://doi.org/10.1016/j.jallcom.2014.07.211) | Table 2, p. 8, row 23; `ORC-BIFNSYIYW4` |  |
| 1092 | liq. + α-Cd2Gd -> Cd3Gd | liq.: Gd 0.1571; α-Cd2Gd: Gd 0.2992; Cd3Gd: Gd 0.25 | model | [2] Liu 2019 | Table 2, p. 8, row 22; `ORC-HWEMUSP5UB` |  |
| 1092 | liq. + α-Cd2Gd -> Cd3Gd | liq.: Gd 0.1549; α-Cd2Gd: Gd 0.2984; Cd3Gd: Gd 0.25 | model | [2] Liu 2019 | Table 2, p. 8, row 21; `ORC-WUUHL3SQMG` |  |
| 1088.15 | peritectic: L + α- Cd2Gd -> Cd3Gd | L: Cd 0.79; α- Cd2Gd: Cd 0.667; Cd3Gd: Cd 0.75 | experimental | [1] Azza 2024; _cites Gschneidner 1988_ [doi](https://doi.org/10.1007/bf02877453) | Table 3, p. 7, row 17; `ORC-BNYTMZLFJO` |  |
| 1088 | liq. + α-Cd2Gd -> Cd3Gd | α-Cd2Gd: Cd 0.666667, Gd 0.333333; Cd3Gd: Cd 0.75, Gd 0.25 | experimental | [2] Liu 2019; _cites Bruzzone 1971_ [doi](https://doi.org/10.1016/0022-5088%2871%2990153-6) | Table 2, p. 8, row 24; `ORC-4GDWM7JNAD` |  |
| 1088 | liq. + α-Cd2Gd -> Cd3Gd | α-Cd2Gd: Cd 0.666667, Gd 0.333333; Cd3Gd: Cd 0.75, Gd 0.25 | unspecified | [2] Liu 2019; _cites Gschneidner 1988_ [doi](https://doi.org/10.1007/bf02877453) | Table 2, p. 8, row 25; `ORC-BWXZNNC3KJ` |  |
| 1081.15 | peritectic: L + Cd3Gd -> Cd45Gd11 | L: Cd 0.815; Cd3Gd: Cd 0.75; Cd45Gd11: Cd 0.802 | experimental | [1] Azza 2024; _cites Reichmann 2014_ [doi](https://doi.org/10.1016/j.jallcom.2014.07.211) | Table 3, p. 7, row 21; `ORC-VRO6Y6RN5C` |  |
| 1081 | liq. + Cd3Gd -> Cd45Gd11 | liq.: Gd 0.149; Cd3Gd: Gd 0.25; Cd45Gd11: Gd 0.1933 | model | [2] Liu 2019 | Table 2, p. 8, row 27; `ORC-5LOZKYRKZ4` |  |
| 1081 | liq. + Cd3Gd -> Cd45Gd11 | liq.: Gd 0.1476; Cd3Gd: Gd 0.25; Cd45Gd11: Gd 0.1933 | model | [2] Liu 2019 | Table 2, p. 8, row 26; `ORC-CPICTKYLGO` |  |
| 1081 | liq. + Cd3Gd -> Cd45Gd11 | liq.: Gd 0.185; Cd3Gd: Gd 0.25; Cd45Gd11: Gd 0.198 | experimental | [2] Liu 2019; _cites Reichmann 2014_ [doi](https://doi.org/10.1016/j.jallcom.2014.07.211) | Table 2, p. 8, row 28; `ORC-TZZYI2VBZJ` |  |
| 1079.15 | peritectic: L + Cd3Gd -> Cd45Gd11 | L: Cd 0.816; Cd3Gd: Cd 0.75; Cd45Gd11: Cd 0.804 | experimental | [1] Azza 2024; _cites Gschneidner 1988_ [doi](https://doi.org/10.1007/bf02877453) | Table 3, p. 7, row 20; `ORC-J4PDKQDSMT` |  |
| 1079 | liq. + Cd3Gd -> Cd45Gd11 | Cd3Gd: Cd 0.75, Gd 0.25; Cd45Gd11: Cd 0.803571, Gd 0.196429 | unspecified | [2] Liu 2019; _cites Gschneidner 1988_ [doi](https://doi.org/10.1007/bf02877453) | Table 2, p. 8, row 29; `ORC-HAB4HAEQRQ` |  |
| 1076.15 | peritectic: L + Cd45Gd11 -> Cd58Gd13 | L: Cd 0.824; Cd45Gd11: Cd 0.804; Cd58Gd13: Cd 0.817 | experimental | [1] Azza 2024; _cites Gschneidner 1988_ [doi](https://doi.org/10.1007/bf02877453) | Table 3, p. 7, row 23; `ORC-MSWCKZ3HXY` |  |
| 1055.75 | peritectic: L + Cd3Gd -> Cd45Gd11 | L: Cd 0.824; Cd3Gd: Cd 0.75; Cd45Gd11: Cd 0.81 | model | [1] Azza 2024 | Table 3, p. 7, row 22; `ORC-RTYUD4HMZF` |  |
| 1035 | bcc -> CdGd + hcp | bcc: Gd 0.8977; CdGd: Gd 0.5271; hcp: Gd 0.9695 | model | [2] Liu 2019 | Table 2, p. 8, row 16; `ORC-3ZC7UDRGBV` |  |
| 1018.15 | eutectoid: (βGd) -> CdGd + (αGd) | (βGd): Cd 0.191; CdGd: Cd 0.496; (αGd): Cd 0.046 | experimental | [1] Azza 2024; _cites Reichmann 2014_ [doi](https://doi.org/10.1016/j.jallcom.2014.07.211) | Table 3, p. 7, row 2; `ORC-VLQKKY6AC5` |  |
| 1018 | bcc -> CdGd + hcp | bcc: Gd 0.809; CdGd: Gd 0.504; hcp: Gd 0.954 | experimental | [2] Liu 2019; _cites Reichmann 2014_ [doi](https://doi.org/10.1016/j.jallcom.2014.07.211) | Table 2, p. 8, row 18; `ORC-5YKES7MX36` |  |
| 1017.95 | eutectoid: (βGd) -> CdGd + (αGd) | (βGd): Cd 0.155; CdGd: Cd 0.489; (αGd): Cd 0.085 | model | [1] Azza 2024 | Table 3, p. 7, row 3; `ORC-36ZT72HS2F` |  |
| 1010 | bcc -> CdGd + hcp | bcc: Gd 0.8607; CdGd: Gd 0.5281; hcp: Gd 0.9489 | model | [2] Liu 2019 | Table 2, p. 8, row 17; `ORC-LNV6GQ6FVV` |  |
| 1003.15 | peritectic: L + Cd45Gd11 -> Cd6Gd | L: Cd 0.882; Cd45Gd11: Cd 0.817; Cd6Gd: Cd 0.857 | experimental | [1] Azza 2024; _cites Reichmann 2014_ [doi](https://doi.org/10.1016/j.jallcom.2014.07.211) | Table 3, p. 7, row 25; `ORC-6SJA5PPLK3` |  |
| 1003 | liq. + Cd45Gd11 -> Cd6Gd | liq.: Gd 0.118; Cd45Gd11: Gd 0.183; Cd6Gd: Gd 0.143 | experimental | [2] Liu 2019; _cites Reichmann 2014_ [doi](https://doi.org/10.1016/j.jallcom.2014.07.211) | Table 2, p. 8, row 32; `ORC-2CKQIKMRGY` |  |
| 1003 | liq. + Cd45Gd11 -> Cd6Gd | liq.: Gd 0.0832; Cd45Gd11: Gd 0.1765; Cd6Gd: Gd 0.1429 | model | [2] Liu 2019 | Table 2, p. 8, row 31; `ORC-6FJWTSQXQL` |  |
| 1000 | liq. + Cd45Gd11 -> Cd6Gd | liq.: Gd 0.0817; Cd45Gd11: Gd 0.1773; Cd6Gd: Gd 0.1429 | model | [2] Liu 2019 | Table 2, p. 8, row 30; `ORC-GP3PG6D2XP` |  |
| 998.15 | eutectoid: (βGd) -> CdGd + (αGd) | (βGd): Cd 0.16; CdGd: Cd 0.5 | experimental | [1] Azza 2024; _cites Gschneidner 1988_ [doi](https://doi.org/10.1007/bf02877453) | Table 3, p. 7, row 1; `ORC-DOUC3QDWKI` |  |
| 998 | bcc -> CdGd + hcp | bcc: Gd 0.84; CdGd: Cd 0.5, Gd 0.5 | unspecified | [2] Liu 2019; _cites Gschneidner 1988_ [doi](https://doi.org/10.1007/bf02877453) | Table 2, p. 8, row 20; `ORC-47OVBF5ST3` |  |
| 998 | bcc -> CdGd + hcp | CdGd: Cd 0.5, Gd 0.5 | experimental | [2] Liu 2019; _cites Bruzzone 1971_ [doi](https://doi.org/10.1016/0022-5088%2871%2990153-6) | Table 2, p. 8, row 19; `ORC-5RT4JVHTNQ` |  |
| 989.15 | peritectic: L + Cd58Gd13 -> Cd6Gd | L: Cd 0.886; Cd58Gd13: Cd 0.817; Cd6Gd: Cd 0.857 | experimental | [1] Azza 2024; _cites Gschneidner 1988_ [doi](https://doi.org/10.1007/bf02877453) | Table 3, p. 7, row 24; `ORC-F5SROYE7SW` |  |
| 967.15 | peritectic: L + Cd45Gd11 -> Cd6Gd | L: Cd 0.895; Cd45Gd11: Cd 0.827; Cd6Gd: Cd 0.845 | model | [1] Azza 2024 | Table 3, p. 7, row 26; `ORC-GG7NRPR5WC` |  |
| 852.65 | peritectic: L + Cd6Gd -> Cd8Gd | L: Cd 0.944; Cd6Gd: Cd 0.856; Cd8Gd: Cd 0.889 | model | [1] Azza 2024 | Table 3, p. 7, row 29; `ORC-BKLIGVZXNP` |  |
| 738.15 | peritectic |  | experimental | [1] Azza 2024 | p. 2; `ORC-UEM3UID7GC` | “A new compound was reported a stoichiometry of ''GdCd8'', decomposing peritectically at 465 C.” |
| 738.15 | peritectic: L + Cd6Gd -> Cd8Gd | L: Cd 0.99; Cd6Gd: Cd 0.857; Cd8Gd: Cd 0.889 | experimental | [1] Azza 2024; _cites Reichmann 2014_ [doi](https://doi.org/10.1016/j.jallcom.2014.07.211) | Table 3, p. 7, row 28; `ORC-ZE3IWZBEGV` |  |
| 738 | liq. + Cd6Gd -> Cd8Gd | liq.: Gd 0.01; Cd6Gd: Gd 0.143; Cd8Gd: Gd 0.113 | experimental | [2] Liu 2019; _cites Reichmann 2014_ [doi](https://doi.org/10.1016/j.jallcom.2014.07.211) | Table 2, p. 8, row 35; `ORC-D2ECDLXP5Y` |  |
| 738 | liq. + Cd6Gd -> Cd8Gd | liq.: Gd 0.0015; Cd6Gd: Gd 0.1429; Cd8Gd: Gd 0.1111 | model | [2] Liu 2019 | Table 2, p. 8, row 34; `ORC-H6K6BOYJQB` |  |
| 738 | liq. + Cd6Gd -> Cd8Gd | liq.: Gd 0.0047; Cd6Gd: Gd 0.1429; Cd8Gd: Gd 0.1111 | model | [2] Liu 2019 | Table 2, p. 8, row 33; `ORC-HAVOOZRMWU` |  |
| 600 | Cd45Gd11 + Cd6Gd -> Cd58Gd13 | Cd45Gd11: Gd 0.1964; Cd6Gd: Gd 0.1429; Cd58Gd13: Gd 0.1831 | model | [2] Liu 2019 | Table 2, p. 8, row 37; `ORC-JOHFIYSAWO` |  |
| 594 | eutectic: liq. -> hcp + Cd8Gd | liq.: Gd 0; hcp: Gd 0; Cd8Gd: Gd 0.1111 | model | [2] Liu 2019 | Table 2, p. 8, row 39; `ORC-MDT335VI75` |  |
| 593.15 | eutectic: L -> (Cd) + Cd8Gd | L: Cd 0.998; (Cd): Cd 1; Cd8Gd: Cd 0.889 | experimental | [1] Azza 2024; _cites Reichmann 2014_ [doi](https://doi.org/10.1016/j.jallcom.2014.07.211) | Table 3, p. 7, row 30; `ORC-DU7GJTEL5M` |  |
| 593 | eutectic: liq. -> hcp + Cd8Gd | liq.: Gd 0.002; hcp: Gd 0; Cd8Gd: Gd 0.113 | experimental | [2] Liu 2019; _cites Reichmann 2014_ [doi](https://doi.org/10.1016/j.jallcom.2014.07.211) | Table 2, p. 8, row 41; `ORC-TW2CBW6PWJ` |  |
| 592.15 | eutectic: L -> (Cd) + Cd8Gd | L: Cd 0.996; (Cd): Cd 1; Cd8Gd: Cd 0.889 | model | [1] Azza 2024 | Table 3, p. 7, row 31; `ORC-76JOHZBQSJ` |  |
| 589.15 | eutectic: L -> (Cd) + Cd6Gd | L: Cd 0.975; (Cd): Cd 1; Cd6Gd: Cd 0.857 | experimental | [1] Azza 2024; _cites Gschneidner 1988_ [doi](https://doi.org/10.1007/bf02877453) | Table 3, p. 7, row 27; `ORC-75EJGEETG5` |  |

## 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](https://data.orchid-project.org/literature/dft_parity.json).

Table: Enthalpies of formation, Cd–Gd system (15)

| Phase | Compound | Value | T (K) | Class | MP DFT (kJ/mol-atom) | OQMD DFT (kJ/mol-atom) | Source | Location | Quote |
|---|---|---:|---:|---|---:|---:|---|---|---|
| Cd3Gd | [Cd3Gd](https://data.orchid-project.org/compounds/Cd3Gd.html) | -37.17 kJ/mol-atom | 298.15 | model | -27.075 (mp-aaaabgtm) | -29.172 (oqmd-11027) | [1] Azza 2024; _cites Kurata 2001_ [doi](https://doi.org/10.1361/105497101770338707) | Table 4, p. 7, row 6; `ORC-23Z37KCAN5` |  |
| Cd3Gd | [Cd3Gd](https://data.orchid-project.org/compounds/Cd3Gd.html) | -36.07 kJ/mol-atom | 298.15 | model | -27.075 (mp-aaaabgtm) | -29.172 (oqmd-11027) | [1] Azza 2024 | Table 4, p. 7, row 7; `ORC-O552W6UX2I` |  |
| Cd45Gd11 |  | -33.1 kJ/mol-atom | 298.15 | model |  |  | [1] Azza 2024; _cites Kurata 2001_ [doi](https://doi.org/10.1361/105497101770338707) | Table 4, p. 7, row 8; `ORC-7KYLLPYYI2` |  |
| Cd45Gd11 |  | -30.41 kJ/mol-atom | 298.15 | model |  |  | [1] Azza 2024 | Table 4, p. 7, row 9; `ORC-FCGD7HVFTG` |  |
| Cd58Gd13 |  | -31.92 kJ/mol-atom | 298.15 | model |  |  | [1] Azza 2024; _cites Kurata 2001_ [doi](https://doi.org/10.1361/105497101770338707) | Table 4, p. 7, row 10; `ORC-YGBAOCOPOW` |  |
| Cd6Gd |  | -28.2 kJ/mol-atom | 728 | experimental |  |  | [1] Azza 2024; _cites Roshchina 1981_ | Table 4, p. 7, row 11; `ORC-WOHGM65OT2` |  |
| Cd6Gd |  | -26.78 kJ/mol-atom | 298.15 | model |  |  | [1] Azza 2024; _cites Kurata 2001_ [doi](https://doi.org/10.1361/105497101770338707) | Table 4, p. 7, row 13; `ORC-SFZ3FGLDR6` |  |
| Cd6Gd |  | -24.73 kJ/mol-atom | 298.15 | model |  |  | [1] Azza 2024 | Table 4, p. 7, row 14; `ORC-S2RN7MGZAB` |  |
| Cd6Gd |  | -22.9 kJ/mol-atom | 298.15 | unspecified |  |  | [1] Azza 2024 | Table 4, p. 7, row 12; `ORC-X77PNTXNBZ` |  |
| Cd8Gd |  | -19.56 kJ/mol-atom | 298.15 | model |  |  | [1] Azza 2024 | Table 4, p. 7, row 15; `ORC-RIYJEBNWEI` |  |
| CdGd | [CdGd](https://data.orchid-project.org/compounds/CdGd.html) | -60.83 kJ/mol-atom | 298.15 | model | -33.296 (mp-aaaaabnr) | -31.478 (oqmd-55278) | [1] Azza 2024 | Table 4, p. 7, row 2; `ORC-CYHQVHN3OY` |  |
| CdGd | [CdGd](https://data.orchid-project.org/compounds/CdGd.html) | -55.65 kJ/mol-atom | 298.15 | model | -33.296 (mp-aaaaabnr) | -31.478 (oqmd-55278) | [1] Azza 2024; _cites Kurata 2001_ [doi](https://doi.org/10.1361/105497101770338707) | Table 4, p. 7, row 1; `ORC-ODNQLWOYMD` |  |
| α-Cd2Gd | [Cd2Gd](https://data.orchid-project.org/compounds/Cd2Gd.html) | -43.89 kJ/mol-atom | 298.15 | model | -31.052 (mp-aaaabfaj) | -32.441 (oqmd-11026) | [1] Azza 2024 | Table 4, p. 7, row 5; `ORC-MVWGZ7QRZ7` |  |
| α-Cd2Gd | [Cd2Gd](https://data.orchid-project.org/compounds/Cd2Gd.html) | -42.96 kJ/mol-atom | 298.15 | model | -31.052 (mp-aaaabfaj) | -32.441 (oqmd-11026) | [1] Azza 2024; _cites Kurata 2001_ [doi](https://doi.org/10.1361/105497101770338707) | Table 4, p. 7, row 4; `ORC-AEDPQEOVBU` |  |
| β-Cd2Gd | [Cd2Gd](https://data.orchid-project.org/compounds/Cd2Gd.html) | -43.88 kJ/mol-atom | 298.15 | model | -31.052 (mp-aaaabfaj) | -32.441 (oqmd-11026) | [1] Azza 2024 | Table 4, p. 7, row 3; `ORC-6N5LO47MIF` |  |

## Other properties

### Phase transition (1)

Table: Phase transition, Cd–Gd system

| Property | Value | T (K) | Phases / composition | Class | Source | Location | Quote |
|---|---:|---:|---|---|---|---|---|
| Phase transition | 1259.15 K | 1259.15 | polymorphic | experimental | [1] Azza 2024; _cites Reichmann 2014_ [doi](https://doi.org/10.1016/j.jallcom.2014.07.211) | p. 2; `ORC-XBJXJGQSQT` | “These authors confirmed the existence of six intermediate phases: GdCd, GdCd2 (a polymorphic transformation a $ b at 986 C), GdCd3, Gd11Cd45, Gd13Cd58 and GdCd6 which were already described by Bruzzone et al.\[4\]” |

### Activity / EMF / Gibbs energy (4)

Table: Activity / EMF / Gibbs energy, Cd–Gd system

| Property | Value | T (K) | Phases / composition | Class | Source | Location | Quote |
|---|---:|---:|---|---|---|---|---|
| Gibbs energy; _printed: Gibbs formation energy_ | -19.9 kJ g atom-1 | 773 |  | experimental | [2] Liu 2019; _cites Roshchina 1981_ | p. 3; `ORC-UIODUKXLC4.19ccff` | “With other information concerning a value for the Gd activity in the two-phase field Cd6Gd ? L\[28\] and the Gibbs-Duhem integration method, the Gibbs formation energies at the exact stoichiometric compositions of the phases Cd58Gd13, Cd45Gd11, Cd3Gd, and Cd2Gd obtained were approximately - 19.9, - 21.1, - 24.8, and - 30.0 kJ g atom-1 at 773 K, respectively.” |
| Gibbs energy; _printed: Gibbs formation energy_ | -21.1 kJ g atom-1 | 773 |  | experimental | [2] Liu 2019; _cites Roshchina 1981_ | p. 3; `ORC-UIODUKXLC4.6d5882` | “With other information concerning a value for the Gd activity in the two-phase field Cd6Gd ? L\[28\] and the Gibbs-Duhem integration method, the Gibbs formation energies at the exact stoichiometric compositions of the phases Cd58Gd13, Cd45Gd11, Cd3Gd, and Cd2Gd obtained were approximately - 19.9, - 21.1, - 24.8, and - 30.0 kJ g atom-1 at 773 K, respectively.” |
| Gibbs energy; _printed: Gibbs formation energy_ | -24.8 kJ g atom-1 | 773 |  | experimental | [2] Liu 2019; _cites Roshchina 1981_ | p. 3; `ORC-UIODUKXLC4.b059b6` | “With other information concerning a value for the Gd activity in the two-phase field Cd6Gd ? L\[28\] and the Gibbs-Duhem integration method, the Gibbs formation energies at the exact stoichiometric compositions of the phases Cd58Gd13, Cd45Gd11, Cd3Gd, and Cd2Gd obtained were approximately - 19.9, - 21.1, - 24.8, and - 30.0 kJ g atom-1 at 773 K, respectively.” |
| Gibbs energy; _printed: Gibbs formation energy_ | -30 kJ g atom-1 | 773 |  | experimental | [2] Liu 2019; _cites Roshchina 1981_ | p. 3; `ORC-UIODUKXLC4.c32d57` | “With other information concerning a value for the Gd activity in the two-phase field Cd6Gd ? L\[28\] and the Gibbs-Duhem integration method, the Gibbs formation energies at the exact stoichiometric compositions of the phases Cd58Gd13, Cd45Gd11, Cd3Gd, and Cd2Gd obtained were approximately - 19.9, - 21.1, - 24.8, and - 30.0 kJ g atom-1 at 773 K, respectively.” |

## Sources

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

1. Hassan Azza, Mustapha Ait Boukideur, Khadija Achgar, Mohamed Idbenali, Najim Selhaoui, Thermodynamic Description of the Gadolinium-Cadmium Phase Diagram, J. Phase Equilib. Diffus. 45, 714-722 (2024). [doi:10.1007/s11669-024-01127-6](https://doi.org/10.1007/s11669-024-01127-6)
2. Jinming Liu, Fei Li, Chengjun Guo, Qugang Li, Jinping Liu, Xu Zhang et al., Investigation of the Thermodynamic Properties, Phase Relations, and Stability of the Cd–Gd System via Thermodynamic Remodeling, J. Phase Equilib. Diffus. 40, 732-742 (2019). [doi:10.1007/s11669-019-00759-3](https://doi.org/10.1007/s11669-019-00759-3)

## 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/).