# Au–Ce phases > Au–Ce system: 14 phases (tier A 6, tier B 1, tier C 4, liquid 1, needs_review 2); 13 stable in a calculated diagram in the ORCHID phase registry, with names, structure type when the stored evidence supports an assignment under the stated tier rules, calculated stability, verbatim TDB PHASE/CONSTITUENT statements and example references. HTML: https://data.orchid-project.org/phases/pages/AU-CE.html · Markdown: https://data.orchid-project.org/phases/pages/AU-CE.md 14 phases (tier A 6, tier B 1, tier C 4, liquid 1, needs_review 2); 13 stable in a calculated diagram. Structure types are assigned only when the stored evidence supports an assignment under the stated tier rules (tier A: standard phase name; tier B: unique Materials Project + OQMD on-hull match, DFT-supported; tier C: one structure stated by the assessment's crystallographic table, assessor-stated); other phases list candidates and are marked needs_review. Stability is from phase diagrams calculated with pycalphad from the SGTE binary collection (evidence class: model). Data: [interactive registry](https://orchid-project.org/phases/?q=AU-CE) · [full JSON](https://data.orchid-project.org/phases/systems/AU-CE.json) · [Au–Ce system page](https://data.orchid-project.org/systems/AU-CE.html) · [Markdown](https://data.orchid-project.org/phases/pages/AU-CE.md) · [field reference](https://data.orchid-project.org/phases/SCHEMA.md) Table: Phases of the Au–Ce system (14) | Phase | Structure | Basis | Stability (calculated) | Literature values | TDB models | |---|---|---|---|---:|---:| | [AU11CE9](#phase-au-ce-au11ce9); _phase:au-ce:au11ce9_ | Pd4Pu3 · hR14 · R-3 (148) | tier C: assessor-stated (Hallstedt 2025 crystallographic table) | stable in 1 of 1 calculated diagram(s): 300–1435.29 K, x(Ce) 0.45–0.45 | 4 | 1 | | [AU2CE](#phase-au-ce-au2ce); _phase:au-ce:au2ce_ | Hg2K · oI12 · Imma (74) | tier C: assessor-stated (Hallstedt 2025 crystallographic table) | stable in 2 of 2 calculated diagram(s): 300–1472.73 K, x(Ce) 0.33333–0.33333 | 40 | 2 | | [AU4CE3](#phase-au-ce-au4ce3); _phase:au-ce:au4ce3_ | Pd4Pu3 · hR14 · R-3 (148) | tier C: assessor-stated (Hallstedt 2025 crystallographic table) | stable in 1 of 1 calculated diagram(s): 300–1000.21 K, x(Ce) 0.42857–0.42857 | 7 | 1 | | [AU51CE14](#phase-au-ce-au51ce14); _phase:au-ce:au51ce14_ | Ag51Gd14 · hP68 · P6/m (175) | tier C: assessor-stated (Hallstedt 2025 crystallographic table) | stable in 1 of 1 calculated diagram(s): 300–1422.69 K, x(Ce) 0.21538–0.21538 | 21 | 1 | | [AU51CE14_HT](#phase-au-ce-au51ce14-ht); _phase:au-ce:au51ce14-ht_ | | needs_review | stable in 1 of 1 calculated diagram(s): 1199.15–1483.79 K, x(Ce) 0.21538–0.21538 | 0 | 1 | | [AU51CE14_LT](#phase-au-ce-au51ce14-lt); _phase:au-ce:au51ce14-lt_ | | needs_review | stable in 1 of 1 calculated diagram(s): 300–1199.15 K, x(Ce) 0.21538–0.21538 | 0 | 1 | | [AU6CE](#phase-au-ce-au6ce); _phase:au-ce:au6ce_ | Au6Pr · mC28 · C2/c (15) | tier B: DFT-supported (unique MP + OQMD match) | stable in 2 of 2 calculated diagram(s): 300–1062.51 K, x(Ce) 0.14286–0.14286 | 30 | 2 | | [AUCE_B27](#phase-au-ce-auce-b27); _phase:au-ce:auce-b27_ | FeB · B27 · oP8 · Pnma (62) | tier A: standard phase name | stable in 2 of 2 calculated diagram(s): 300–873.89 K, x(Ce) 0.49448–0.5 | 30 | 2 | | [AUCE_B33](#phase-au-ce-auce-b33); _phase:au-ce:auce-b33_ | CrB · B33 · oC8 · Cmcm (63) | tier A: standard phase name | stable in 2 of 2 calculated diagram(s): 753.22–1673.16 K, x(Ce) 0.47834–0.5 | 23 | 2 | | [AUCE2_C37](#phase-au-ce-auce2-c37); _phase:au-ce:auce2-c37_ | Co2Si · C37 · oP12 · Pnma (62) | tier A: standard phase name | stable in 2 of 2 calculated diagram(s): 300–988.89 K, x(Ce) 0.66667–0.66667 | 25 | 2 | | [BCC_A2](#phase-au-ce-bcc-a2); _phase:au-ce:bcc-a2_ | W · A2 · cI2 · Im-3m (229) | tier A: standard phase name | stable in 2 of 2 calculated diagram(s): 301.25–2500 K, x(Ce) 0.9853–1 | 2 | 2 | | [FCC_A1](#phase-au-ce-fcc-a1); _phase:au-ce:fcc-a1_ | Cu · A1 · cF4 · Fm-3m (225) | tier A: standard phase name | stable in 2 of 2 calculated diagram(s): 300–1479.49 K, x(Ce) 0–1 | 28 | 2 | | [HCP_A3](#phase-au-ce-hcp-a3); _phase:au-ce:hcp-a3_ | Mg · A3 · hP2 · P6_3/mmc (194) | tier A: standard phase name | not stable in 2 calculated diagram(s) | 0 | 2 | | [LIQUID](#phase-au-ce-liquid); _phase:au-ce:liquid_ | liquid | liquid | stable in 2 of 2 calculated diagram(s): 792.82–2500 K, x(Ce) 0–1 | 110 | 2 | ## AU11CE9 (Au–Ce) - Id: `phase:au-ce:au11ce9`; status `assigned` - Structure: Pd4Pu3 · hR14 · R-3 (148); type `st:pd4pu3-hr14`; tier C: assessor-stated (Hallstedt 2025 crystallographic table); confidence assessor-stated - Structure source: B. Hallstedt, The SGTE collection of binary datasets, Calphad 89 (2025) 102833, supplementary crystallographic table (mmc2) [doi:10.1016/j.calphad.2025.102833](https://doi.org/10.1016/j.calphad.2025.102833) - Caveat: not certain from the name or DFT alone (no_on_hull_entry_in_both, no_structure_token); structure as stated in the SGTE crystallographic table for this phase name and system - Stoichiometry: Au 0.5500, Ce 0.4500 - Stability: stable in 1 of 1 calculated diagram(s): 300–1435.29 K, x(Ce) 0.45–0.45 - Literature: 4 values (4 accepted) from 1 papers - Interactive: [phase registry entry](https://orchid-project.org/phases/#phase:au-ce:au11ce9) Names (3): _corpus: _corpus:phase:au-ce:au11ce9 _paper: _paper:10.1016/j.jallcom.2016.05.116:Ce9Au11 _tdb: _tdb:AuCe-16Mou.tdb:AU11CE9 ### TDB models of AU11CE9 (1): PHASE and CONSTITUENT statements as written [AuCe-16Mou.tdb](https://orchid-project.org/data/databases/sgte-binary/AuCe-16Mou.tdb): AU11CE9, type code %, sha256 `2e0b5c8707b4c9af…` ~~~~text 64: PHASE AU11CE9 % 2 11 9 ! 65: CONST AU11CE9 : AU : CE : ! ~~~~ Example references (1 of 1; assessments first): - [doi:10.1016/j.jallcom.2016.05.116](https://doi.org/10.1016/j.jallcom.2016.05.116) D. Moustaine, K. Mahdouk, Thermodynamic reassessment of the cerium gold binary system, Journal of Alloys and Compounds 683, 599-609 (2016). _assessment that models this phase; reports values for this phase_ ## AU2CE (Au–Ce) - Id: `phase:au-ce:au2ce`; status `assigned` - Structure: Hg2K · oI12 · Imma (74); type `st:hg2k-oi12`; tier C: assessor-stated (Hallstedt 2025 crystallographic table); confidence assessor-stated - Structure source: B. Hallstedt, The SGTE collection of binary datasets, Calphad 89 (2025) 102833, supplementary crystallographic table (mmc2) [doi:10.1016/j.calphad.2025.102833](https://doi.org/10.1016/j.calphad.2025.102833) - Caveat: not certain from the name or DFT alone (dft_space_group_74_matches_2_structure_types, no_structure_token); structure as stated in the SGTE crystallographic table for this phase name and system - Stoichiometry: Au 0.6667, Ce 0.3333 - Stability: stable in 2 of 2 calculated diagram(s): 300–1472.73 K, x(Ce) 0.33333–0.33333 - Literature: 40 values (40 accepted) from 2 papers - Interactive: [phase registry entry](https://orchid-project.org/phases/#phase:au-ce:au2ce) Names (5): _corpus: _corpus:phase:au-ce:au2ce _paper: _paper:10.1016/j.calphad.2013.07.013:Au2Ce, paper:10.1016/j.jallcom.2016.05.116:CeAu2 _tdb: _tdb:AuCe-13Don.tdb:AU2CE, tdb:AuCe-16Mou.tdb:AU2CE ### TDB models of AU2CE (2): PHASE and CONSTITUENT statements as written [AuCe-13Don.tdb](https://orchid-project.org/data/databases/sgte-binary/AuCe-13Don.tdb): AU2CE, type code %, sha256 `1a117620cb88dd03…` ~~~~text 51: PHASE AU2CE % 2 2 1 ! 52: CONST AU2CE : AU : CE : ! ~~~~ [AuCe-16Mou.tdb](https://orchid-project.org/data/databases/sgte-binary/AuCe-16Mou.tdb): AU2CE, type code %, sha256 `2e0b5c8707b4c9af…` ~~~~text 49: PHASE AU2CE % 2 2 1 ! 50: CONST AU2CE : AU : CE : ! ~~~~ Example references (3 of 3; assessments first): - [doi:10.1016/j.calphad.2013.07.013](https://doi.org/10.1016/j.calphad.2013.07.013) H.Q. Dong, X.M. Tao, T. Laurila, V. Vuorinen, M. Paulasto-Kröckel, Thermodynamic modeling of Au–Ce–Sn ternary system, Calphad 42, 38-50 (2013). _assessment that models this phase; cited as the source of values for this phase; reports values for this phase_ - [doi:10.1016/j.jallcom.2016.05.116](https://doi.org/10.1016/j.jallcom.2016.05.116) D. Moustaine, K. Mahdouk, Thermodynamic reassessment of the cerium gold binary system, Journal of Alloys and Compounds 683, 599-609 (2016). _assessment that models this phase; reports values for this phase_ - [doi:10.1016/s0925-8388(00)01429-8](https://doi.org/10.1016/s0925-8388%2800%2901429-8) P Boulet, D Mazzone, H Noël, P Rogl, R Ferro, Phase equilibria and magnetic studies in the ternary system Ce–Au–Sn, Journal of Alloys and Compounds 317-318, 350-356 (2001). _cited as the source of values for this phase_ ## AU4CE3 (Au–Ce) - Id: `phase:au-ce:au4ce3`; status `assigned` - Structure: Pd4Pu3 · hR14 · R-3 (148); type `st:pd4pu3-hr14`; tier C: assessor-stated (Hallstedt 2025 crystallographic table); confidence assessor-stated - Structure source: B. Hallstedt, The SGTE collection of binary datasets, Calphad 89 (2025) 102833, supplementary crystallographic table (mmc2) [doi:10.1016/j.calphad.2025.102833](https://doi.org/10.1016/j.calphad.2025.102833) - Caveat: not certain from the name or DFT alone (no_on_hull_entry_in_mp, no_structure_token); structure as stated in the SGTE crystallographic table for this phase name and system - Stoichiometry: Au 0.5714, Ce 0.4286 - Stability: stable in 1 of 1 calculated diagram(s): 300–1000.21 K, x(Ce) 0.42857–0.42857 - Literature: 7 values (7 accepted) from 1 papers - Interactive: [phase registry entry](https://orchid-project.org/phases/#phase:au-ce:au4ce3) Names (3): _corpus: _corpus:phase:au-ce:au4ce3 _paper: _paper:10.1016/j.calphad.2013.07.013:Au4Ce3 _tdb: _tdb:AuCe-13Don.tdb:AU4CE3 ### TDB models of AU4CE3 (1): PHASE and CONSTITUENT statements as written [AuCe-13Don.tdb](https://orchid-project.org/data/databases/sgte-binary/AuCe-13Don.tdb): AU4CE3, type code %, sha256 `1a117620cb88dd03…` ~~~~text 56: PHASE AU4CE3 % 2 4 3 ! 57: CONST AU4CE3 : AU : CE : ! ~~~~ Example references (3 of 3; assessments first): - [doi:10.1016/j.calphad.2013.07.013](https://doi.org/10.1016/j.calphad.2013.07.013) H.Q. Dong, X.M. Tao, T. Laurila, V. Vuorinen, M. Paulasto-Kröckel, Thermodynamic modeling of Au–Ce–Sn ternary system, Calphad 42, 38-50 (2013). _assessment that models this phase; reports values for this phase_ - [doi:10.1016/s0925-8388(01)00969-0](https://doi.org/10.1016/s0925-8388%2801%2900969-0) Riccardo Ferro, Gabriella Borzone, Nadia Parodi, Comments on the formation thermodynamics of selected groups of rare earth compounds, Journal of Alloys and Compounds 321, 248-260 (2001). _cited as the source of values for this phase_ - [doi:10.1016/s0925-8388(00)01429-8](https://doi.org/10.1016/s0925-8388%2800%2901429-8) P Boulet, D Mazzone, H Noël, P Rogl, R Ferro, Phase equilibria and magnetic studies in the ternary system Ce–Au–Sn, Journal of Alloys and Compounds 317-318, 350-356 (2001). _cited as the source of values for this phase_ ## AU51CE14 (Au–Ce) - Id: `phase:au-ce:au51ce14`; status `assigned` - Structure: Ag51Gd14 · hP68 · P6/m (175); type `st:ag51gd14-hp68`; tier C: assessor-stated (Hallstedt 2025 crystallographic table); confidence assessor-stated - Structure source: B. Hallstedt, The SGTE collection of binary datasets, Calphad 89 (2025) 102833, supplementary crystallographic table (mmc2) [doi:10.1016/j.calphad.2025.102833](https://doi.org/10.1016/j.calphad.2025.102833) - Caveat: not certain from the name or DFT alone (no_structure_token, polymorph_family:other phases of this system have the same composition); structure as stated in the SGTE crystallographic table for this phase name and system - Stoichiometry: Au 0.7846, Ce 0.2154 - Stability: stable in 1 of 1 calculated diagram(s): 300–1422.69 K, x(Ce) 0.21538–0.21538 - Literature: 21 values (21 accepted) from 1 papers - Interactive: [phase registry entry](https://orchid-project.org/phases/#phase:au-ce:au51ce14) Names (3): _corpus: _corpus:phase:au-ce:au51ce14 _paper: _paper:10.1016/j.calphad.2013.07.013:Au51Ce14 _tdb: _tdb:AuCe-13Don.tdb:AU51CE14 ### TDB models of AU51CE14 (1): PHASE and CONSTITUENT statements as written [AuCe-13Don.tdb](https://orchid-project.org/data/databases/sgte-binary/AuCe-13Don.tdb): AU51CE14, type code %, sha256 `1a117620cb88dd03…` ~~~~text 46: PHASE AU51CE14 % 2 51 14 ! 47: CONST AU51CE14 : AU : CE : ! ~~~~ Example references (2 of 2; assessments first): - [doi:10.1016/j.calphad.2013.07.013](https://doi.org/10.1016/j.calphad.2013.07.013) H.Q. Dong, X.M. Tao, T. Laurila, V. Vuorinen, M. Paulasto-Kröckel, Thermodynamic modeling of Au–Ce–Sn ternary system, Calphad 42, 38-50 (2013). _assessment that models this phase; reports values for this phase_ - [doi:10.1016/s0925-8388(00)01429-8](https://doi.org/10.1016/s0925-8388%2800%2901429-8) P Boulet, D Mazzone, H Noël, P Rogl, R Ferro, Phase equilibria and magnetic studies in the ternary system Ce–Au–Sn, Journal of Alloys and Compounds 317-318, 350-356 (2001). _cited as the source of values for this phase_ ## AU51CE14_HT (Au–Ce) - Id: `phase:au-ce:au51ce14-ht`; status `needs_review` - No structure assigned. Why: no_structure_token; polymorph_family:other phases of this system have the same composition; sgte_mmc2_row_incomplete - Candidate (sgte_mmc2): (Au51Ce14) — Hallstedt 2025 mmc2 row for AU51CE14_HT: Au51Ce14 - Candidate (tdb_comment): Ag51Gd14 · hP68 · P6/m — AuCe-16Mou.tdb: 'Prototype Ag51Gd14 (hP68, P6/m)' - Stoichiometry: Au 0.7846, Ce 0.2154 - Stability: stable in 1 of 1 calculated diagram(s): 1199.15–1483.79 K, x(Ce) 0.21538–0.21538 - Literature: 0 values (0 accepted) from 0 papers - Interactive: [phase registry entry](https://orchid-project.org/phases/#phase:au-ce:au51ce14-ht) Names (2): _corpus: _corpus:phase:au-ce:au51ce14-ht _tdb: _tdb:AuCe-16Mou.tdb:AU51CE14_HT ### TDB models of AU51CE14_HT (1): PHASE and CONSTITUENT statements as written [AuCe-16Mou.tdb](https://orchid-project.org/data/databases/sgte-binary/AuCe-16Mou.tdb): AU51CE14_HT, type code %, sha256 `2e0b5c8707b4c9af…` ~~~~text 59: PHASE AU51CE14_HT % 2 51 14 ! 60: CONST AU51CE14_HT : AU : CE : ! ~~~~ Example references (1 of 1; assessments first): - [doi:10.1016/j.jallcom.2016.05.116](https://doi.org/10.1016/j.jallcom.2016.05.116) D. Moustaine, K. Mahdouk, Thermodynamic reassessment of the cerium gold binary system, Journal of Alloys and Compounds 683, 599-609 (2016). _assessment that models this phase_ ## AU51CE14_LT (Au–Ce) - Id: `phase:au-ce:au51ce14-lt`; status `needs_review` - No structure assigned. Why: no_structure_token; polymorph_family:other phases of this system have the same composition - Candidate (tdb_comment): Ag51Gd14 · hP68 · P6/m — AuCe-16Mou.tdb: 'Prototype Ag51Gd14 (hP68, P6/m)' - Stoichiometry: Au 0.7846, Ce 0.2154 - Stability: stable in 1 of 1 calculated diagram(s): 300–1199.15 K, x(Ce) 0.21538–0.21538 - Literature: 0 values (0 accepted) from 0 papers - Interactive: [phase registry entry](https://orchid-project.org/phases/#phase:au-ce:au51ce14-lt) Names (2): _corpus: _corpus:phase:au-ce:au51ce14-lt _tdb: _tdb:AuCe-16Mou.tdb:AU51CE14_LT ### TDB models of AU51CE14_LT (1): PHASE and CONSTITUENT statements as written [AuCe-16Mou.tdb](https://orchid-project.org/data/databases/sgte-binary/AuCe-16Mou.tdb): AU51CE14_LT, type code %, sha256 `2e0b5c8707b4c9af…` ~~~~text 54: PHASE AU51CE14_LT % 2 51 14 ! 55: CONST AU51CE14_LT : AU : CE : ! ~~~~ Example references (1 of 1; assessments first): - [doi:10.1016/j.jallcom.2016.05.116](https://doi.org/10.1016/j.jallcom.2016.05.116) D. Moustaine, K. Mahdouk, Thermodynamic reassessment of the cerium gold binary system, Journal of Alloys and Compounds 683, 599-609 (2016). _assessment that models this phase_ ## AU6CE (Au–Ce) - Id: `phase:au-ce:au6ce`; status `assigned` - Structure: Au6Pr · mC28 · C2/c (15); type `st:au6pr-mc28`; tier B: DFT-supported (unique MP + OQMD match); confidence high - Stoichiometry: Au 0.8571, Ce 0.1429 - Stability: stable in 2 of 2 calculated diagram(s): 300–1062.51 K, x(Ce) 0.14286–0.14286 - Literature: 30 values (30 accepted) from 2 papers - Interactive: [phase registry entry](https://orchid-project.org/phases/#phase:au-ce:au6ce) Names (7): _corpus: _corpus:phase:au-ce:au6ce _mp: _mp:mp-aaackuug _oqmd: _oqmd:oqmd-1821063 _paper: _paper:10.1016/j.calphad.2013.07.013:Au6Ce, paper:10.1016/j.jallcom.2016.05.116:CeAu6 _tdb: _tdb:AuCe-13Don.tdb:AU6CE, tdb:AuCe-16Mou.tdb:AU6CE ### TDB models of AU6CE (2): PHASE and CONSTITUENT statements as written [AuCe-13Don.tdb](https://orchid-project.org/data/databases/sgte-binary/AuCe-13Don.tdb): AU6CE, type code %, sha256 `1a117620cb88dd03…` ~~~~text 41: PHASE AU6CE % 2 6 1 ! 42: CONST AU6CE : AU : CE : ! ~~~~ [AuCe-16Mou.tdb](https://orchid-project.org/data/databases/sgte-binary/AuCe-16Mou.tdb): AU6CE, type code %, sha256 `2e0b5c8707b4c9af…` ~~~~text 44: PHASE AU6CE % 2 6 1 ! 45: CONST AU6CE : AU : CE : ! ~~~~ Example references (3 of 3; assessments first): - [doi:10.1016/j.calphad.2013.07.013](https://doi.org/10.1016/j.calphad.2013.07.013) H.Q. Dong, X.M. Tao, T. Laurila, V. Vuorinen, M. Paulasto-Kröckel, Thermodynamic modeling of Au–Ce–Sn ternary system, Calphad 42, 38-50 (2013). _assessment that models this phase; cited as the source of values for this phase; reports values for this phase_ - [doi:10.1016/j.jallcom.2016.05.116](https://doi.org/10.1016/j.jallcom.2016.05.116) D. Moustaine, K. Mahdouk, Thermodynamic reassessment of the cerium gold binary system, Journal of Alloys and Compounds 683, 599-609 (2016). _assessment that models this phase; reports values for this phase_ - [doi:10.1016/s0925-8388(00)01429-8](https://doi.org/10.1016/s0925-8388%2800%2901429-8) P Boulet, D Mazzone, H Noël, P Rogl, R Ferro, Phase equilibria and magnetic studies in the ternary system Ce–Au–Sn, Journal of Alloys and Compounds 317-318, 350-356 (2001). _cited as the source of values for this phase_ ## AUCE_B27 (Au–Ce) - Id: `phase:au-ce:auce-b27`; status `assigned` - Structure: FeB · B27 · oP8 · Pnma (62); type `st:b27-feb-op8`; tier A: standard phase name; confidence high - Stability: stable in 2 of 2 calculated diagram(s): 300–873.89 K, x(Ce) 0.49448–0.5 - Literature: 30 values (30 accepted) from 2 papers - Interactive: [phase registry entry](https://orchid-project.org/phases/#phase:au-ce:auce-b27) Names (6): _corpus: _corpus:phase:au-ce:auce-b27 _paper: _paper:10.1016/j.calphad.2013.07.013:αAuCe, paper:10.1016/j.jallcom.2016.05.116:αCe14Au51, paper:10.1016/j.jallcom.2016.05.116:αCeAu _tdb: _tdb:AuCe-13Don.tdb:AUCE_B27, tdb:AuCe-16Mou.tdb:AUCE_B27 ### TDB models of AUCE_B27 (2): PHASE and CONSTITUENT statements as written [AuCe-13Don.tdb](https://orchid-project.org/data/databases/sgte-binary/AuCe-13Don.tdb): AUCE_B27, type code %, sha256 `1a117620cb88dd03…` ~~~~text 61: PHASE AUCE_B27 % 2 1 1 ! 62: CONST AUCE_B27 : AU : CE : ! ~~~~ [AuCe-16Mou.tdb](https://orchid-project.org/data/databases/sgte-binary/AuCe-16Mou.tdb): AUCE_B27, type code %, sha256 `2e0b5c8707b4c9af…` ~~~~text 69: PHASE AUCE_B27 % 2 1 1 ! 70: CONST AUCE_B27 : AU : AU CE% : ! ~~~~ Example references (6 of 6; assessments first): - [doi:10.1016/j.jallcom.2016.05.116](https://doi.org/10.1016/j.jallcom.2016.05.116) D. Moustaine, K. Mahdouk, Thermodynamic reassessment of the cerium gold binary system, Journal of Alloys and Compounds 683, 599-609 (2016). _assessment that models this phase; reports values for this phase_ - [doi:10.1016/j.calphad.2013.07.013](https://doi.org/10.1016/j.calphad.2013.07.013) H.Q. Dong, X.M. Tao, T. Laurila, V. Vuorinen, M. Paulasto-Kröckel, Thermodynamic modeling of Au–Ce–Sn ternary system, Calphad 42, 38-50 (2013). _assessment that models this phase; cited as the source of values for this phase; reports values for this phase_ - [doi:10.1007/bf02657857](https://doi.org/10.1007/bf02657857) K. Fitzner, O. J. Kleppa, Thermochemistry of Binary and Ternary Noble Metal Alloys: the Systems Cu-Ce, Ag-Ce, Au-Ce, Cu-Ag-Au, and Ce-Ag-Au, Metall Trans A 24, 1827-1834 (1993). _cited as the source of values for this phase_ - [doi:10.1103/physrevb.13.5188](https://doi.org/10.1103/physrevb.13.5188) Hendrik J. Monkhorst, James D. Pack, Special points for Brillouin-zone integrations, Phys. Rev. B 13, 5188-5192 (1976). _cited as the source of values for this phase_ - [doi:10.1103/physrevb.59.1758](https://doi.org/10.1103/physrevb.59.1758) G. Kresse, D. Joubert, From ultrasoft pseudopotentials to the projector augmented-wave method, Phys. Rev. B 59, 1758-1775 (1999). _cited as the source of values for this phase_ - [doi:10.1103/physrevlett.77.3865](https://doi.org/10.1103/physrevlett.77.3865) John P. Perdew, Kieron Burke, Matthias Ernzerhof, Generalized Gradient Approximation Made Simple, Phys. Rev. Lett. 77, 3865-3868 (1996). _cited as the source of values for this phase_ ## AUCE_B33 (Au–Ce) - Id: `phase:au-ce:auce-b33`; status `assigned` - Structure: CrB · B33 · oC8 · Cmcm (63); type `st:b33-crb-oc8`; tier A: standard phase name; confidence high - Stability: stable in 2 of 2 calculated diagram(s): 753.22–1673.16 K, x(Ce) 0.47834–0.5 - Literature: 23 values (22 accepted) from 1 papers - Interactive: [phase registry entry](https://orchid-project.org/phases/#phase:au-ce:auce-b33) Names (4): _corpus: _corpus:phase:au-ce:auce-b33 _paper: _paper:10.1016/j.calphad.2013.07.013:βAuCe _tdb: _tdb:AuCe-13Don.tdb:AUCE_B33, tdb:AuCe-16Mou.tdb:AUCE_B33 ### TDB models of AUCE_B33 (2): PHASE and CONSTITUENT statements as written [AuCe-13Don.tdb](https://orchid-project.org/data/databases/sgte-binary/AuCe-13Don.tdb): AUCE_B33, type code %, sha256 `1a117620cb88dd03…` ~~~~text 66: PHASE AUCE_B33 % 2 1 1 ! 67: CONST AUCE_B33 : AU : CE : ! ~~~~ [AuCe-16Mou.tdb](https://orchid-project.org/data/databases/sgte-binary/AuCe-16Mou.tdb): AUCE_B33, type code %, sha256 `2e0b5c8707b4c9af…` ~~~~text 74: PHASE AUCE_B33 % 2 1 1 ! 75: CONST AUCE_B33 : AU : AU CE% : ! ~~~~ Example references (3 of 3; assessments first): - [doi:10.1016/j.calphad.2013.07.013](https://doi.org/10.1016/j.calphad.2013.07.013) H.Q. Dong, X.M. Tao, T. Laurila, V. Vuorinen, M. Paulasto-Kröckel, Thermodynamic modeling of Au–Ce–Sn ternary system, Calphad 42, 38-50 (2013). _assessment that models this phase; reports values for this phase_ - [doi:10.1016/j.jallcom.2016.05.116](https://doi.org/10.1016/j.jallcom.2016.05.116) D. Moustaine, K. Mahdouk, Thermodynamic reassessment of the cerium gold binary system, Journal of Alloys and Compounds 683, 599-609 (2016). _assessment that models this phase_ - [doi:10.1016/s0925-8388(00)01429-8](https://doi.org/10.1016/s0925-8388%2800%2901429-8) P Boulet, D Mazzone, H Noël, P Rogl, R Ferro, Phase equilibria and magnetic studies in the ternary system Ce–Au–Sn, Journal of Alloys and Compounds 317-318, 350-356 (2001). _cited as the source of values for this phase_ ## AUCE2_C37 (Au–Ce) - Id: `phase:au-ce:auce2-c37`; status `assigned` - Structure: Co2Si · C37 · oP12 · Pnma (62); type `st:c37-co2si-op12`; tier A: standard phase name; confidence high - Stoichiometry: Au 0.3333, Ce 0.6667 - Stability: stable in 2 of 2 calculated diagram(s): 300–988.89 K, x(Ce) 0.66667–0.66667 - Literature: 25 values (24 accepted) from 2 papers - Interactive: [phase registry entry](https://orchid-project.org/phases/#phase:au-ce:auce2-c37) Names (5): _corpus: _corpus:phase:au-ce:auce2-c37 _paper: _paper:10.1016/j.calphad.2013.07.013:AuCe2, paper:10.1016/j.jallcom.2016.05.116:Ce2Au _tdb: _tdb:AuCe-13Don.tdb:AUCE2_C37, tdb:AuCe-16Mou.tdb:AUCE2_C37 ### TDB models of AUCE2_C37 (2): PHASE and CONSTITUENT statements as written [AuCe-13Don.tdb](https://orchid-project.org/data/databases/sgte-binary/AuCe-13Don.tdb): AUCE2_C37, type code %, sha256 `1a117620cb88dd03…` ~~~~text 71: PHASE AUCE2_C37 % 2 1 2 ! 72: CONST AUCE2_C37 : AU : CE : ! ~~~~ [AuCe-16Mou.tdb](https://orchid-project.org/data/databases/sgte-binary/AuCe-16Mou.tdb): AUCE2_C37, type code %, sha256 `2e0b5c8707b4c9af…` ~~~~text 79: PHASE AUCE2_C37 % 2 1 2 ! 80: CONST AUCE2_C37 : AU : CE : ! ~~~~ Example references (2 of 2; assessments first): - [doi:10.1016/j.jallcom.2016.05.116](https://doi.org/10.1016/j.jallcom.2016.05.116) D. Moustaine, K. Mahdouk, Thermodynamic reassessment of the cerium gold binary system, Journal of Alloys and Compounds 683, 599-609 (2016). _assessment that models this phase; reports values for this phase_ - [doi:10.1016/j.calphad.2013.07.013](https://doi.org/10.1016/j.calphad.2013.07.013) H.Q. Dong, X.M. Tao, T. Laurila, V. Vuorinen, M. Paulasto-Kröckel, Thermodynamic modeling of Au–Ce–Sn ternary system, Calphad 42, 38-50 (2013). _assessment that models this phase; cited as the source of values for this phase; reports values for this phase_ ## BCC_A2 (Au–Ce) - Id: `phase:au-ce:bcc-a2`; status `assigned` - Structure: W · A2 · cI2 · Im-3m (229); type `st:a2-w-ci2`; tier A: standard phase name; confidence high - Stability: stable in 2 of 2 calculated diagram(s): 301.25–2500 K, x(Ce) 0.9853–1 - Literature: 2 values (2 accepted) from 1 papers - Interactive: [phase registry entry](https://orchid-project.org/phases/#phase:au-ce:bcc-a2) Names (4): _corpus: _corpus:phase:au-ce:bcc-a2 _paper: _paper:10.1016/j.jallcom.2016.05.116:δ(Ce) _tdb: _tdb:AuCe-13Don.tdb:BCC_A2, tdb:AuCe-16Mou.tdb:BCC_A2 ### TDB models of BCC_A2 (2): PHASE and CONSTITUENT statements as written [AuCe-13Don.tdb](https://orchid-project.org/data/databases/sgte-binary/AuCe-13Don.tdb): BCC_A2, type code %B, sha256 `1a117620cb88dd03…` ~~~~text 31: PHASE BCC_A2 %B 2 1 3 ! 32: CONST BCC_A2 : AU CE% : VA : ! ~~~~ [AuCe-16Mou.tdb](https://orchid-project.org/data/databases/sgte-binary/AuCe-16Mou.tdb): BCC_A2, type code %B, sha256 `2e0b5c8707b4c9af…` ~~~~text 34: PHASE BCC_A2 %B 2 1 3 ! 35: CONST BCC_A2 : AU CE% : VA : ! ~~~~ Example references (2 of 2; assessments first): - [doi:10.1016/j.jallcom.2016.05.116](https://doi.org/10.1016/j.jallcom.2016.05.116) D. Moustaine, K. Mahdouk, Thermodynamic reassessment of the cerium gold binary system, Journal of Alloys and Compounds 683, 599-609 (2016). _assessment that models this phase; reports values for this phase_ - [doi:10.1016/j.calphad.2013.07.013](https://doi.org/10.1016/j.calphad.2013.07.013) H.Q. Dong, X.M. Tao, T. Laurila, V. Vuorinen, M. Paulasto-Kröckel, Thermodynamic modeling of Au–Ce–Sn ternary system, Calphad 42, 38-50 (2013). _assessment that models this phase_ ## FCC_A1 (Au–Ce) - Id: `phase:au-ce:fcc-a1`; status `assigned` - Structure: Cu · A1 · cF4 · Fm-3m (225); type `st:a1-cu-cf4`; tier A: standard phase name; confidence high - Stability: stable in 2 of 2 calculated diagram(s): 300–1479.49 K, x(Ce) 0–1 - Literature: 28 values (28 accepted) from 2 papers - Interactive: [phase registry entry](https://orchid-project.org/phases/#phase:au-ce:fcc-a1) Names (8): _corpus: _corpus:phase:au-ce:fcc-a1 _paper: _paper:10.1016/j.calphad.2013.07.013:Au(fcc), paper:10.1016/j.calphad.2013.07.013:γCe, paper:10.1016/j.jallcom.2016.05.116:Au (fcc), paper:10.1016/j.jallcom.2016.05.116:γ(Ce), paper:10.1016/j.jallcom.2016.05.116:γCe _tdb: _tdb:AuCe-13Don.tdb:FCC_A1, tdb:AuCe-16Mou.tdb:FCC_A1 ### TDB models of FCC_A1 (2): PHASE and CONSTITUENT statements as written [AuCe-13Don.tdb](https://orchid-project.org/data/databases/sgte-binary/AuCe-13Don.tdb): FCC_A1, type code %A, sha256 `1a117620cb88dd03…` ~~~~text 26: PHASE FCC_A1 %A 2 1 1 ! 27: CONST FCC_A1 : AU% CE% : VA : ! ~~~~ [AuCe-16Mou.tdb](https://orchid-project.org/data/databases/sgte-binary/AuCe-16Mou.tdb): FCC_A1, type code %A, sha256 `2e0b5c8707b4c9af…` ~~~~text 29: PHASE FCC_A1 %A 2 1 1 ! 30: CONST FCC_A1 : AU% CE% : VA : ! ~~~~ Example references (3 of 3; assessments first): - [doi:10.1016/j.jallcom.2016.05.116](https://doi.org/10.1016/j.jallcom.2016.05.116) D. Moustaine, K. Mahdouk, Thermodynamic reassessment of the cerium gold binary system, Journal of Alloys and Compounds 683, 599-609 (2016). _assessment that models this phase; reports values for this phase_ - [doi:10.1016/j.calphad.2013.07.013](https://doi.org/10.1016/j.calphad.2013.07.013) H.Q. Dong, X.M. Tao, T. Laurila, V. Vuorinen, M. Paulasto-Kröckel, Thermodynamic modeling of Au–Ce–Sn ternary system, Calphad 42, 38-50 (2013). _assessment that models this phase; cited as the source of values for this phase; reports values for this phase_ - [doi:10.1016/s0925-8388(00)01429-8](https://doi.org/10.1016/s0925-8388%2800%2901429-8) P Boulet, D Mazzone, H Noël, P Rogl, R Ferro, Phase equilibria and magnetic studies in the ternary system Ce–Au–Sn, Journal of Alloys and Compounds 317-318, 350-356 (2001). _cited as the source of values for this phase_ ## HCP_A3 (Au–Ce) - Id: `phase:au-ce:hcp-a3`; status `assigned` - Structure: Mg · A3 · hP2 · P6_3/mmc (194); type `st:a3-mg-hp2`; tier A: standard phase name; confidence high - Stability: not stable in 2 calculated diagram(s) - Literature: 0 values (0 accepted) from 0 papers - Interactive: [phase registry entry](https://orchid-project.org/phases/#phase:au-ce:hcp-a3) Names (3): _corpus: _corpus:phase:au-ce:hcp-a3 _tdb: _tdb:AuCe-13Don.tdb:HCP_A3, tdb:AuCe-16Mou.tdb:HCP_A3 ### TDB models of HCP_A3 (2): PHASE and CONSTITUENT statements as written [AuCe-13Don.tdb](https://orchid-project.org/data/databases/sgte-binary/AuCe-13Don.tdb): HCP_A3, type code %A, sha256 `1a117620cb88dd03…` ~~~~text 36: PHASE HCP_A3 %A 2 1 0.5 ! 37: CONST HCP_A3 : AU CE : VA : ! ~~~~ [AuCe-16Mou.tdb](https://orchid-project.org/data/databases/sgte-binary/AuCe-16Mou.tdb): HCP_A3, type code %A, sha256 `2e0b5c8707b4c9af…` ~~~~text 39: PHASE HCP_A3 %A 2 1 0.5 ! 40: CONST HCP_A3 : AU CE : VA : ! ~~~~ Example references (2 of 2; assessments first): - [doi:10.1016/j.calphad.2013.07.013](https://doi.org/10.1016/j.calphad.2013.07.013) H.Q. Dong, X.M. Tao, T. Laurila, V. Vuorinen, M. Paulasto-Kröckel, Thermodynamic modeling of Au–Ce–Sn ternary system, Calphad 42, 38-50 (2013). _assessment that models this phase_ - [doi:10.1016/j.jallcom.2016.05.116](https://doi.org/10.1016/j.jallcom.2016.05.116) D. Moustaine, K. Mahdouk, Thermodynamic reassessment of the cerium gold binary system, Journal of Alloys and Compounds 683, 599-609 (2016). _assessment that models this phase_ ## LIQUID (Au–Ce) - Id: `phase:au-ce:liquid`; status `assigned` - Structure: liquid; type `st:liquid`; liquid; confidence high - Stability: stable in 2 of 2 calculated diagram(s): 792.82–2500 K, x(Ce) 0–1 - Literature: 110 values (109 accepted) from 2 papers - Interactive: [phase registry entry](https://orchid-project.org/phases/#phase:au-ce:liquid) Names (5): _corpus: _corpus:phase:au-ce:liquid _paper: _paper:10.1016/j.calphad.2013.07.013:L, paper:10.1016/j.jallcom.2016.05.116:Liq _tdb: _tdb:AuCe-13Don.tdb:LIQUID, tdb:AuCe-16Mou.tdb:LIQUID ### TDB models of LIQUID (2): PHASE and CONSTITUENT statements as written [AuCe-13Don.tdb](https://orchid-project.org/data/databases/sgte-binary/AuCe-13Don.tdb): LIQUID, type code %, sha256 `1a117620cb88dd03…` ~~~~text 21: PHASE LIQUID:L % 1 1 ! 22: CONST LIQUID:L : AU CE : ! ~~~~ [AuCe-16Mou.tdb](https://orchid-project.org/data/databases/sgte-binary/AuCe-16Mou.tdb): LIQUID, type code %, sha256 `2e0b5c8707b4c9af…` ~~~~text 24: PHASE LIQUID:L % 1 1 ! 25: CONST LIQUID:L : AU CE : ! ~~~~ Example references (3 of 3; assessments first): - [doi:10.1016/j.jallcom.2016.05.116](https://doi.org/10.1016/j.jallcom.2016.05.116) D. Moustaine, K. Mahdouk, Thermodynamic reassessment of the cerium gold binary system, Journal of Alloys and Compounds 683, 599-609 (2016). _assessment that models this phase; reports values for this phase_ - [doi:10.1016/j.calphad.2013.07.013](https://doi.org/10.1016/j.calphad.2013.07.013) H.Q. Dong, X.M. Tao, T. Laurila, V. Vuorinen, M. Paulasto-Kröckel, Thermodynamic modeling of Au–Ce–Sn ternary system, Calphad 42, 38-50 (2013). _assessment that models this phase; cited as the source of values for this phase; reports values for this phase_ - [doi:10.1016/s0925-8388(00)01429-8](https://doi.org/10.1016/s0925-8388%2800%2901429-8) P Boulet, D Mazzone, H Noël, P Rogl, R Ferro, Phase equilibria and magnetic studies in the ternary system Ce–Au–Sn, Journal of Alloys and Compounds 317-318, 350-356 (2001). _cited as the source of values for this phase_ ## Please cite - R. Arróyave, J. Saal, D. Shin, ORCHID-Registry: phase registry of binary systems (version 2026.10; Version 1, machine-extracted), Zenodo (2026). https://doi.org/10.5281/zenodo.23735970 - 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 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); the original source of every value you use (paper_citation / paper_doi, and cited_dois for values the paper cites from earlier work). 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_phase_registry_2026, author = {Arr{\'o}yave, Raymundo and Saal, James and Shin, Dongwon}, title = {{ORCHID-Registry: phase registry of binary systems}}, version = {2026.10}, publisher = {Zenodo}, year = {2026}, doi = {10.5281/zenodo.23735970}, url = {https://doi.org/10.5281/zenodo.23735970}, note = {Version 1, machine-extracted} } @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 the ORCHID phase registry and the sources named on the page (TDB assessments, Hallstedt 2025, Materials Project, OQMD). TDB statements are quoted as written; parameter expressions are not reproduced. Field reference: [SCHEMA.md](https://data.orchid-project.org/phases/SCHEMA.md). Machine-readable guide: [llms.txt](https://data.orchid-project.org/llms.txt).