# Sb–Te phases

> Sb–Te system: 14 phases (tier A 8, tier C 2, liquid 2, needs_review 2); 9 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/SB-TE.html · Markdown: https://data.orchid-project.org/phases/pages/SB-TE.md

14 phases (tier A 8, tier C 2, liquid 2, needs_review 2); 9 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=SB-TE) · [full JSON](https://data.orchid-project.org/phases/systems/SB-TE.json) · [Sb–Te system page](https://data.orchid-project.org/systems/SB-TE.html) · [Markdown](https://data.orchid-project.org/phases/pages/SB-TE.md) · [field reference](https://data.orchid-project.org/phases/SCHEMA.md)

Table: Phases of the Sb–Te system (14)

| Phase | Structure | Basis | Stability (calculated) | Literature values | TDB models |
|---|---|---|---|---:|---:|
| [DIAMOND_A4](#phase-sb-te-a4-diamond); _phase:sb-te:a4-diamond_ | C (diamond) · A4 · cF8 · Fd-3m (227) | tier A: standard phase name | not stable in 1 calculated diagram(s) | 0 | 1 |
| [BCT_A5](#phase-sb-te-a5-bct); _phase:sb-te:a5-bct_ | beta-Sn · A5 · tI4 · I4_1/amd (141) | tier A: standard phase name | not stable in 1 calculated diagram(s) | 0 | 1 |
| [RHOMBOHEDRAL_A7](#phase-sb-te-a7-rhombohedral); _phase:sb-te:a7-rhombohedral_ | alpha-As · A7 · hR2 · R-3m (166) | tier A: standard phase name | stable in 3 of 3 calculated diagram(s): 300–906.78 K, x(Te) 0–0.02798 | 5 | 3 |
| [HEXAGONAL_A8](#phase-sb-te-a8-hexagonal); _phase:sb-te:a8-hexagonal_ | gamma-Se · A8 · hP3 · P3_121 (152) | tier A: standard phase name | stable in 3 of 3 calculated diagram(s): 300–2499.07 K, x(Te) 0.99799–1 | 8 | 3 |
| [BCC_A2](#phase-sb-te-bcc-a2); _phase:sb-te:bcc-a2_ | W · A2 · cI2 · Im-3m (229) | tier A: standard phase name | not stable in 3 calculated diagram(s) | 0 | 3 |
| [FCC_A1](#phase-sb-te-fcc-a1); _phase:sb-te:fcc-a1_ | Cu · A1 · cF4 · Fm-3m (225) | tier A: standard phase name | not stable in 3 calculated diagram(s) | 0 | 3 |
| [HCP_A3](#phase-sb-te-hcp-a3); _phase:sb-te:hcp-a3_ | Mg · A3 · hP2 · P6_3/mmc (194) | tier A: standard phase name | not stable in 3 calculated diagram(s) | 0 | 3 |
| [ION](#phase-sb-te-ion); _phase:sb-te:ion_ | liquid | liquid | stable in 2 of 2 calculated diagram(s): 694.67–2500 K, x(Te) 0–1 | 0 | 2 |
| [LIQUID](#phase-sb-te-liquid); _phase:sb-te:liquid_ | liquid | liquid | stable in 2 of 3 calculated diagram(s): 688.34–2500 K, x(Te) 0–1 | 34 | 3 |
| [SB2TE_DELTA](#phase-sb-te-sb2te-delta); _phase:sb-te:sb2te-delta_ |  | needs_review | stable in 2 of 2 calculated diagram(s): 300–821.56 K, x(Te) 0.15583–0.39485 | 15 | 2 |
| [SB2TE3_C33](#phase-sb-te-sb2te3-c33); _phase:sb-te:sb2te3-c33_ | Bi2Te3 · C33 · hR5 · R-3m (166) | tier A: standard phase name | stable in 3 of 3 calculated diagram(s): 300–892.97 K, x(Te) 0.59155–0.60009 | 22 | 3 |
| [SB4TE5](#phase-sb-te-sb4te5); _phase:sb-te:sb4te5_ | BiSe · hP12 · P-3m1 (164) | tier C: assessor-stated (Hallstedt 2025 crystallographic table) | stable in 1 of 1 calculated diagram(s): 300–829.44 K, x(Te) 0.55556–0.55556 | 0 | 1 |
| [SB7TE3](#phase-sb-te-sb7te3); _phase:sb-te:sb7te3_ | Sb2Te · hP9 · P-3m1 (164) | tier C: assessor-stated (Hallstedt 2025 crystallographic table) | stable in 1 of 1 calculated diagram(s): 300–820.13 K, x(Te) 0.3–0.3 | 0 | 1 |
| [SBTE_GAMMA](#phase-sb-te-sbte-gamma); _phase:sb-te:sbte-gamma_ |  | needs_review | stable in 2 of 2 calculated diagram(s): 300–831.5 K, x(Te) 0.4045–0.49063 | 10 | 2 |

## DIAMOND_A4 (Sb–Te)

- Id: `phase:sb-te:a4-diamond`; status `assigned`
- Structure: C (diamond) · A4 · cF8 · Fd-3m (227); type `st:a4-c-diamond-cf8`; tier A: standard phase name; confidence high
- Stoichiometry: Sb 1.0000
- Stability: not stable in 1 calculated diagram(s)
- Literature: 0 values (0 accepted) from 0 papers
- Interactive: [phase registry entry](https://orchid-project.org/phases/#phase:sb-te:a4-diamond)

Names (2): _corpus: _corpus:phase:sb-te:a4-diamond  
_tdb: _tdb:SbTe-89Gho.tdb:DIAMOND_A4  


### TDB models of DIAMOND_A4 (1): PHASE and CONSTITUENT statements as written

[SbTe-89Gho.tdb](https://orchid-project.org/data/databases/sgte-binary/SbTe-89Gho.tdb): DIAMOND_A4, type code %, sha256 `a84307cafa058316…`

~~~~text
63: PHASE DIAMOND_A4 % 1 1 !
64: CONST DIAMOND_A4 : SB : !
~~~~

Example references (1 of 1; assessments first): 

- [doi:10.1515/ijmr-1989-801009](https://doi.org/10.1515/ijmr-1989-801009) G. Ghosh, H.L. Lukas, and L. Delaey, Z. Metallkd. 80, 731 (1989).  
_assessment that models this phase_

## BCT_A5 (Sb–Te)

- Id: `phase:sb-te:a5-bct`; status `assigned`
- Structure: beta-Sn · A5 · tI4 · I4_1/amd (141); type `st:a5-beta-sn-ti4`; tier A: standard phase name; confidence high
- Stoichiometry: Sb 1.0000
- Stability: not stable in 1 calculated diagram(s)
- Literature: 0 values (0 accepted) from 0 papers
- Interactive: [phase registry entry](https://orchid-project.org/phases/#phase:sb-te:a5-bct)

Names (2): _corpus: _corpus:phase:sb-te:a5-bct  
_tdb: _tdb:SbTe-89Gho.tdb:BCT_A5  


### TDB models of BCT_A5 (1): PHASE and CONSTITUENT statements as written

[SbTe-89Gho.tdb](https://orchid-project.org/data/databases/sgte-binary/SbTe-89Gho.tdb): BCT_A5, type code %, sha256 `a84307cafa058316…`

~~~~text
68: PHASE BCT_A5 % 1 1 !
69: CONST BCT_A5 : SB : !
~~~~

Example references (1 of 1; assessments first): 

- [doi:10.1515/ijmr-1989-801009](https://doi.org/10.1515/ijmr-1989-801009) G. Ghosh, H.L. Lukas, and L. Delaey, Z. Metallkd. 80, 731 (1989).  
_assessment that models this phase_

## RHOMBOHEDRAL_A7 (Sb–Te)

- Id: `phase:sb-te:a7-rhombohedral`; status `assigned`
- Structure: alpha-As · A7 · hR2 · R-3m (166); type `st:a7-alpha-as-hr2`; tier A: standard phase name; confidence high
- Stability: stable in 3 of 3 calculated diagram(s): 300–906.78 K, x(Te) 0–0.02798
- Literature: 5 values (5 accepted) from 1 papers
- Interactive: [phase registry entry](https://orchid-project.org/phases/#phase:sb-te:a7-rhombohedral)

Names (6): _corpus: _corpus:phase:sb-te:a7-rhombohedral, corpus:phase:sb-te:rhombohedral-a7  
_paper: _paper:10.1007/s11664-014-3299-7:rhom(Sb)  
_tdb: _tdb:SbTe-14Guo.tdb:RHOMBOHEDRAL_A7, tdb:SbTe-18Pet.tdb:RHOMBOHEDRAL_A7, tdb:SbTe-89Gho.tdb:RHOMBOHEDRAL_A7  


### TDB models of RHOMBOHEDRAL_A7 (3): PHASE and CONSTITUENT statements as written

[SbTe-14Guo.tdb](https://orchid-project.org/data/databases/sgte-binary/SbTe-14Guo.tdb): RHOMBOHEDRAL_A7, type code %, sha256 `9cb90c1c04c3cdc6…`

~~~~text
55: PHASE RHOMBOHEDRAL_A7 % 1 1 !
56: CONST RHOMBOHEDRAL_A7 : SB% TE : !
~~~~

[SbTe-18Pet.tdb](https://orchid-project.org/data/databases/sgte-binary/SbTe-18Pet.tdb): RHOMBOHEDRAL_A7, type code %, sha256 `9e95ae4d75904602…`

~~~~text
50: PHASE RHOMBOHEDRAL_A7 % 1 1 !
51: CONST RHOMBOHEDRAL_A7 : SB% TE : !
~~~~

[SbTe-89Gho.tdb](https://orchid-project.org/data/databases/sgte-binary/SbTe-89Gho.tdb): RHOMBOHEDRAL_A7, type code %, sha256 `a84307cafa058316…`

~~~~text
73: PHASE RHOMBOHEDRAL_A7 % 1 1 !
74: CONST RHOMBOHEDRAL_A7 : SB% TE : !
~~~~

Example references (3 of 3; assessments first): 

- [doi:10.1007/s11664-014-3299-7](https://doi.org/10.1007/s11664-014-3299-7) Cuiping Guo, Changrong Li, Zhenmin Du, Thermodynamic Re-modeling of the Sb-Te System Using Associate and Ionic Models, Journal of Elec Materi 43, 4082-4089 (2014).  
_assessment that models this phase; reports values for this phase_
- [doi:10.1515/ijmr-1989-801009](https://doi.org/10.1515/ijmr-1989-801009) G. Ghosh, H.L. Lukas, and L. Delaey, Z. Metallkd. 80, 731 (1989).  
_assessment that models this phase; cited as the source of values for this phase_
- [doi:10.1016/0040-6031(86)85051-1](https://doi.org/10.1016/0040-6031%2886%2985051-1) S. Bordas, M.T. Clavaguer-Mora, B. Legendre, Chhay Hancheng, Phase diagram of the ternary system Ge-Sb-Te, Thermochimica Acta 107, 239-265 (1986).  
_cited as the source of values for this phase_

## HEXAGONAL_A8 (Sb–Te)

- Id: `phase:sb-te:a8-hexagonal`; status `assigned`
- Structure: gamma-Se · A8 · hP3 · P3_121 (152); type `st:a8-gamma-se-hp3`; tier A: standard phase name; confidence high
- Stability: stable in 3 of 3 calculated diagram(s): 300–2499.07 K, x(Te) 0.99799–1
- Literature: 8 values (8 accepted) from 1 papers
- Interactive: [phase registry entry](https://orchid-project.org/phases/#phase:sb-te:a8-hexagonal)

Names (6): _corpus: _corpus:phase:sb-te:a8-hexagonal, corpus:phase:sb-te:hexagonal-a8  
_paper: _paper:10.1007/s11664-014-3299-7:hex(Te)  
_tdb: _tdb:SbTe-14Guo.tdb:HEXAGONAL_A8, tdb:SbTe-18Pet.tdb:HEXAGONAL_A8, tdb:SbTe-89Gho.tdb:HEXAGONAL_A8  


### TDB models of HEXAGONAL_A8 (3): PHASE and CONSTITUENT statements as written

[SbTe-14Guo.tdb](https://orchid-project.org/data/databases/sgte-binary/SbTe-14Guo.tdb): HEXAGONAL_A8, type code %, sha256 `9cb90c1c04c3cdc6…`

~~~~text
62: PHASE HEXAGONAL_A8 % 1 1 !
63: CONST HEXAGONAL_A8 : SB TE% : !
~~~~

[SbTe-18Pet.tdb](https://orchid-project.org/data/databases/sgte-binary/SbTe-18Pet.tdb): HEXAGONAL_A8, type code %, sha256 `9e95ae4d75904602…`

~~~~text
57: PHASE HEXAGONAL_A8 % 1 1 !
58: CONST HEXAGONAL_A8 : TE : !
~~~~

[SbTe-89Gho.tdb](https://orchid-project.org/data/databases/sgte-binary/SbTe-89Gho.tdb): HEXAGONAL_A8, type code %, sha256 `a84307cafa058316…`

~~~~text
80: PHASE HEXAGONAL_A8 % 1 1 !
81: CONST HEXAGONAL_A8 : TE : !
~~~~

Example references (3 of 3; assessments first): 

- [doi:10.1007/s11664-014-3299-7](https://doi.org/10.1007/s11664-014-3299-7) Cuiping Guo, Changrong Li, Zhenmin Du, Thermodynamic Re-modeling of the Sb-Te System Using Associate and Ionic Models, Journal of Elec Materi 43, 4082-4089 (2014).  
_assessment that models this phase; reports values for this phase_
- [doi:10.1515/ijmr-1989-801009](https://doi.org/10.1515/ijmr-1989-801009) G. Ghosh, H.L. Lukas, and L. Delaey, Z. Metallkd. 80, 731 (1989).  
_assessment that models this phase; cited as the source of values for this phase_
- [doi:10.1016/0022-3697(62)90242-1](https://doi.org/10.1016/0022-3697%2862%2990242-1) Allan Brown, B. Lewis, The systems bismuth-tellurium and antimony-tellurium and the synthesis of the minerals hedleyite and wehrlite, Journal of Physics and Chemistry of Solids 23, 1597-1604 (1962).  
_cited as the source of values for this phase_

## BCC_A2 (Sb–Te)

- Id: `phase:sb-te:bcc-a2`; status `assigned`
- Structure: W · A2 · cI2 · Im-3m (229); type `st:a2-w-ci2`; tier A: standard phase name; confidence high
- Stoichiometry: Sb 1.0000
- Stability: not stable in 3 calculated diagram(s)
- Literature: 0 values (0 accepted) from 0 papers
- Interactive: [phase registry entry](https://orchid-project.org/phases/#phase:sb-te:bcc-a2)

Names (4): _corpus: _corpus:phase:sb-te:bcc-a2  
_tdb: _tdb:SbTe-14Guo.tdb:BCC_A2, tdb:SbTe-18Pet.tdb:BCC_A2, tdb:SbTe-89Gho.tdb:BCC_A2  


### TDB models of BCC_A2 (3): PHASE and CONSTITUENT statements as written

[SbTe-14Guo.tdb](https://orchid-project.org/data/databases/sgte-binary/SbTe-14Guo.tdb): BCC_A2, type code %, sha256 `9cb90c1c04c3cdc6…`

~~~~text
45: PHASE BCC_A2 % 2 1 3 !
46: CONST BCC_A2 : SB : VA : !
~~~~

[SbTe-18Pet.tdb](https://orchid-project.org/data/databases/sgte-binary/SbTe-18Pet.tdb): BCC_A2, type code %, sha256 `9e95ae4d75904602…`

~~~~text
40: PHASE BCC_A2 % 2 1 3 !
41: CONST BCC_A2 : SB : VA : !
~~~~

[SbTe-89Gho.tdb](https://orchid-project.org/data/databases/sgte-binary/SbTe-89Gho.tdb): BCC_A2, type code %, sha256 `a84307cafa058316…`

~~~~text
53: PHASE BCC_A2 % 2 1 3 !
54: CONST BCC_A2 : SB : VA : !
~~~~

Example references (2 of 2; assessments first): 

- [doi:10.1007/s11664-014-3299-7](https://doi.org/10.1007/s11664-014-3299-7) Cuiping Guo, Changrong Li, Zhenmin Du, Thermodynamic Re-modeling of the Sb-Te System Using Associate and Ionic Models, Journal of Elec Materi 43, 4082-4089 (2014).  
_assessment that models this phase_
- [doi:10.1515/ijmr-1989-801009](https://doi.org/10.1515/ijmr-1989-801009) G. Ghosh, H.L. Lukas, and L. Delaey, Z. Metallkd. 80, 731 (1989).  
_assessment that models this phase_

## FCC_A1 (Sb–Te)

- Id: `phase:sb-te:fcc-a1`; status `assigned`
- Structure: Cu · A1 · cF4 · Fm-3m (225); type `st:a1-cu-cf4`; tier A: standard phase name; confidence high
- Stoichiometry: Sb 1.0000
- Stability: not stable in 3 calculated diagram(s)
- Literature: 0 values (0 accepted) from 0 papers
- Interactive: [phase registry entry](https://orchid-project.org/phases/#phase:sb-te:fcc-a1)

Names (4): _corpus: _corpus:phase:sb-te:fcc-a1  
_tdb: _tdb:SbTe-14Guo.tdb:FCC_A1, tdb:SbTe-18Pet.tdb:FCC_A1, tdb:SbTe-89Gho.tdb:FCC_A1  


### TDB models of FCC_A1 (3): PHASE and CONSTITUENT statements as written

[SbTe-14Guo.tdb](https://orchid-project.org/data/databases/sgte-binary/SbTe-14Guo.tdb): FCC_A1, type code %, sha256 `9cb90c1c04c3cdc6…`

~~~~text
40: PHASE FCC_A1 % 2 1 1 !
41: CONST FCC_A1 : SB : VA : !
~~~~

[SbTe-18Pet.tdb](https://orchid-project.org/data/databases/sgte-binary/SbTe-18Pet.tdb): FCC_A1, type code %, sha256 `9e95ae4d75904602…`

~~~~text
35: PHASE FCC_A1 % 2 1 1 !
36: CONST FCC_A1 : SB : VA : !
~~~~

[SbTe-89Gho.tdb](https://orchid-project.org/data/databases/sgte-binary/SbTe-89Gho.tdb): FCC_A1, type code %, sha256 `a84307cafa058316…`

~~~~text
48: PHASE FCC_A1 % 2 1 1 !
49: CONST FCC_A1 : SB : VA : !
~~~~

Example references (2 of 2; assessments first): 

- [doi:10.1007/s11664-014-3299-7](https://doi.org/10.1007/s11664-014-3299-7) Cuiping Guo, Changrong Li, Zhenmin Du, Thermodynamic Re-modeling of the Sb-Te System Using Associate and Ionic Models, Journal of Elec Materi 43, 4082-4089 (2014).  
_assessment that models this phase_
- [doi:10.1515/ijmr-1989-801009](https://doi.org/10.1515/ijmr-1989-801009) G. Ghosh, H.L. Lukas, and L. Delaey, Z. Metallkd. 80, 731 (1989).  
_assessment that models this phase_

## HCP_A3 (Sb–Te)

- Id: `phase:sb-te:hcp-a3`; status `assigned`
- Structure: Mg · A3 · hP2 · P6_3/mmc (194); type `st:a3-mg-hp2`; tier A: standard phase name; confidence high
- Stoichiometry: Sb 1.0000
- Stability: not stable in 3 calculated diagram(s)
- Literature: 0 values (0 accepted) from 0 papers
- Interactive: [phase registry entry](https://orchid-project.org/phases/#phase:sb-te:hcp-a3)

Names (4): _corpus: _corpus:phase:sb-te:hcp-a3  
_tdb: _tdb:SbTe-14Guo.tdb:HCP_A3, tdb:SbTe-18Pet.tdb:HCP_A3, tdb:SbTe-89Gho.tdb:HCP_A3  


### TDB models of HCP_A3 (3): PHASE and CONSTITUENT statements as written

[SbTe-14Guo.tdb](https://orchid-project.org/data/databases/sgte-binary/SbTe-14Guo.tdb): HCP_A3, type code %, sha256 `9cb90c1c04c3cdc6…`

~~~~text
50: PHASE HCP_A3 % 2 1 0.5 !
51: CONST HCP_A3 : SB : VA: !
~~~~

[SbTe-18Pet.tdb](https://orchid-project.org/data/databases/sgte-binary/SbTe-18Pet.tdb): HCP_A3, type code %, sha256 `9e95ae4d75904602…`

~~~~text
45: PHASE HCP_A3 % 2 1 0.5 !
46: CONST HCP_A3 : SB : VA: !
~~~~

[SbTe-89Gho.tdb](https://orchid-project.org/data/databases/sgte-binary/SbTe-89Gho.tdb): HCP_A3, type code %, sha256 `a84307cafa058316…`

~~~~text
58: PHASE HCP_A3 % 2 1 0.5 !
59: CONST HCP_A3 : SB : VA: !
~~~~

Example references (2 of 2; assessments first): 

- [doi:10.1007/s11664-014-3299-7](https://doi.org/10.1007/s11664-014-3299-7) Cuiping Guo, Changrong Li, Zhenmin Du, Thermodynamic Re-modeling of the Sb-Te System Using Associate and Ionic Models, Journal of Elec Materi 43, 4082-4089 (2014).  
_assessment that models this phase_
- [doi:10.1515/ijmr-1989-801009](https://doi.org/10.1515/ijmr-1989-801009) G. Ghosh, H.L. Lukas, and L. Delaey, Z. Metallkd. 80, 731 (1989).  
_assessment that models this phase_

## ION (Sb–Te)

- Id: `phase:sb-te:ion`; status `assigned`
- Structure: liquid; type `st:liquid`; liquid; confidence high
- Stability: stable in 2 of 2 calculated diagram(s): 694.67–2500 K, x(Te) 0–1
- Literature: 0 values (0 accepted) from 0 papers
- Interactive: [phase registry entry](https://orchid-project.org/phases/#phase:sb-te:ion)

Names (3): _corpus: _corpus:phase:sb-te:ion  
_tdb: _tdb:SbTe-14Guo.tdb:ION, tdb:SbTe-89Gho.tdb:ION  


### TDB models of ION (2): PHASE and CONSTITUENT statements as written

[SbTe-14Guo.tdb](https://orchid-project.org/data/databases/sgte-binary/SbTe-14Guo.tdb): ION, type code %, sha256 `9cb90c1c04c3cdc6…`

~~~~text
32: PHASE ION:Y % 2 1 1 !
33: CONST ION:Y : SB+3 : TE-2 VA TE : !
~~~~

[SbTe-89Gho.tdb](https://orchid-project.org/data/databases/sgte-binary/SbTe-89Gho.tdb): ION, type code %, sha256 `a84307cafa058316…`

~~~~text
40: PHASE ION:Y % 2 1 1 !
41: CONST ION:Y : SB+3 : TE-2 VA TE : !
~~~~

Example references (2 of 2; assessments first): 

- [doi:10.1007/s11664-014-3299-7](https://doi.org/10.1007/s11664-014-3299-7) Cuiping Guo, Changrong Li, Zhenmin Du, Thermodynamic Re-modeling of the Sb-Te System Using Associate and Ionic Models, Journal of Elec Materi 43, 4082-4089 (2014).  
_assessment that models this phase_
- [doi:10.1515/ijmr-1989-801009](https://doi.org/10.1515/ijmr-1989-801009) G. Ghosh, H.L. Lukas, and L. Delaey, Z. Metallkd. 80, 731 (1989).  
_assessment that models this phase_

## LIQUID (Sb–Te)

- Id: `phase:sb-te:liquid`; status `assigned`
- Structure: liquid; type `st:liquid`; liquid; confidence high
- Stability: stable in 2 of 3 calculated diagram(s): 688.34–2500 K, x(Te) 0–1
- Literature: 34 values (34 accepted) from 1 papers
- Interactive: [phase registry entry](https://orchid-project.org/phases/#phase:sb-te:liquid)

Names (5): _corpus: _corpus:phase:sb-te:liquid  
_paper: _paper:10.1007/s11664-014-3299-7:liq.  
_tdb: _tdb:SbTe-14Guo.tdb:LIQUID, tdb:SbTe-18Pet.tdb:LIQUID, tdb:SbTe-89Gho.tdb:LIQUID  


### TDB models of LIQUID (3): PHASE and CONSTITUENT statements as written

[SbTe-14Guo.tdb](https://orchid-project.org/data/databases/sgte-binary/SbTe-14Guo.tdb): LIQUID, type code %, sha256 `9cb90c1c04c3cdc6…`

~~~~text
35: PHASE LIQUID:L % 1 1 !
36: CONST LIQUID:L : SB SB2TE3 TE : !
~~~~

[SbTe-18Pet.tdb](https://orchid-project.org/data/databases/sgte-binary/SbTe-18Pet.tdb): LIQUID, type code %, sha256 `9e95ae4d75904602…`

~~~~text
30: PHASE LIQUID:L % 1 1 !
31: CONST LIQUID:L : SB TE : !
~~~~

[SbTe-89Gho.tdb](https://orchid-project.org/data/databases/sgte-binary/SbTe-89Gho.tdb): LIQUID, type code %, sha256 `a84307cafa058316…`

~~~~text
43: PHASE LIQUID:L % 1 1 !
44: CONST LIQUID:L : SB TE : !
~~~~

Example references (4 of 4; assessments first): 

- [doi:10.1007/s11664-014-3299-7](https://doi.org/10.1007/s11664-014-3299-7) Cuiping Guo, Changrong Li, Zhenmin Du, Thermodynamic Re-modeling of the Sb-Te System Using Associate and Ionic Models, Journal of Elec Materi 43, 4082-4089 (2014).  
_assessment that models this phase; reports values for this phase_
- [doi:10.1515/ijmr-1989-801009](https://doi.org/10.1515/ijmr-1989-801009) G. Ghosh, H.L. Lukas, and L. Delaey, Z. Metallkd. 80, 731 (1989).  
_assessment that models this phase; cited as the source of values for this phase_
- [doi:10.1016/0040-6031(86)85051-1](https://doi.org/10.1016/0040-6031%2886%2985051-1) S. Bordas, M.T. Clavaguer-Mora, B. Legendre, Chhay Hancheng, Phase diagram of the ternary system Ge-Sb-Te, Thermochimica Acta 107, 239-265 (1986).  
_cited as the source of values for this phase_
- [doi:10.1016/0022-3697(62)90242-1](https://doi.org/10.1016/0022-3697%2862%2990242-1) Allan Brown, B. Lewis, The systems bismuth-tellurium and antimony-tellurium and the synthesis of the minerals hedleyite and wehrlite, Journal of Physics and Chemistry of Solids 23, 1597-1604 (1962).  
_cited as the source of values for this phase_

## SB2TE_DELTA (Sb–Te)

- Id: `phase:sb-te:sb2te-delta`; status `needs_review`
- No structure assigned. Why: assessment_declared_compound_differs_from_site_ratios; no_structure_token; off_stoichiometric_model
- Candidate (dft_mp): R-3m (166) — on-hull MP Sb16Te3 at x(TE)=0.1579
- Candidate (literature_printed): Sb2Te · hP9 — printed with a label mapped to this phase
- Candidate (sgte_mmc2): Sb2Te · hP9 · P-3m1 (164) — Hallstedt 2025 mmc2 row for SB2TE_DELTA: Sb2Te (delta)
- Candidate (tdb_comment): Sb2Te · hP9 · P-3m1 — SbTe-14Guo.tdb: 'Prototype Sb2Te (hP9, P-3m1)'
- Candidate (tdb_comment): Sb2Te · hP9 · P-3m1 — SbTe-89Gho.tdb: 'Prototype Sb2Te (hP9, P-3m1)'
- Stability: stable in 2 of 2 calculated diagram(s): 300–821.56 K, x(Te) 0.15583–0.39485
- Literature: 15 values (15 accepted) from 1 papers
- Interactive: [phase registry entry](https://orchid-project.org/phases/#phase:sb-te:sb2te-delta)

Names (4): _corpus: _corpus:phase:sb-te:sb2te-delta  
_paper: _paper:10.1007/s11664-014-3299-7:delta  
_tdb: _tdb:SbTe-14Guo.tdb:SB2TE_DELTA, tdb:SbTe-89Gho.tdb:SB2TE_DELTA  


### TDB models of SB2TE_DELTA (2): PHASE and CONSTITUENT statements as written

[SbTe-14Guo.tdb](https://orchid-project.org/data/databases/sgte-binary/SbTe-14Guo.tdb): SB2TE_DELTA, type code %, sha256 `9cb90c1c04c3cdc6…`

~~~~text
67: PHASE SB2TE_DELTA % 2 2 3 !
68: CONST SB2TE_DELTA : SB : SB TE : !
~~~~

[SbTe-89Gho.tdb](https://orchid-project.org/data/databases/sgte-binary/SbTe-89Gho.tdb): SB2TE_DELTA, type code %, sha256 `a84307cafa058316…`

~~~~text
85: PHASE SB2TE_DELTA % 2 2 3 !
86: CONST SB2TE_DELTA : SB : SB TE : !
~~~~

Example references (3 of 3; assessments first): 

- [doi:10.1007/s11664-014-3299-7](https://doi.org/10.1007/s11664-014-3299-7) Cuiping Guo, Changrong Li, Zhenmin Du, Thermodynamic Re-modeling of the Sb-Te System Using Associate and Ionic Models, Journal of Elec Materi 43, 4082-4089 (2014).  
_assessment that models this phase; reports values for this phase_
- [doi:10.1515/ijmr-1989-801009](https://doi.org/10.1515/ijmr-1989-801009) G. Ghosh, H.L. Lukas, and L. Delaey, Z. Metallkd. 80, 731 (1989).  
_assessment that models this phase; cited as the source of values for this phase_
- [doi:10.1016/0040-6031(86)85051-1](https://doi.org/10.1016/0040-6031%2886%2985051-1) S. Bordas, M.T. Clavaguer-Mora, B. Legendre, Chhay Hancheng, Phase diagram of the ternary system Ge-Sb-Te, Thermochimica Acta 107, 239-265 (1986).  
_cited as the source of values for this phase_

## SB2TE3_C33 (Sb–Te)

- Id: `phase:sb-te:sb2te3-c33`; status `assigned`
- Structure: Bi2Te3 · C33 · hR5 · R-3m (166); type `st:c33-bi2te3-hr5`; tier A: standard phase name; confidence high
- Caveat: partitioned order/disorder model in SbTe-89Gho.tdb also describes the disordered state
- Stability: stable in 3 of 3 calculated diagram(s): 300–892.97 K, x(Te) 0.59155–0.60009
- Literature: 22 values (22 accepted) from 1 papers
- Interactive: [phase registry entry](https://orchid-project.org/phases/#phase:sb-te:sb2te3-c33)

Names (5): _corpus: _corpus:phase:sb-te:sb2te3-c33  
_paper: _paper:10.1007/s11664-014-3299-7:Sb2Te3  
_tdb: _tdb:SbTe-14Guo.tdb:SB2TE3_C33, tdb:SbTe-18Pet.tdb:SB2TE3_C33, tdb:SbTe-89Gho.tdb:SB2TE3_C33  


### TDB models of SB2TE3_C33 (3): PHASE and CONSTITUENT statements as written

[SbTe-14Guo.tdb](https://orchid-project.org/data/databases/sgte-binary/SbTe-14Guo.tdb): SB2TE3_C33, type code %, sha256 `9cb90c1c04c3cdc6…`

~~~~text
77: PHASE SB2TE3_C33 % 2 2 3 !
78: CONST SB2TE3_C33 : SB : TE : !
~~~~

[SbTe-18Pet.tdb](https://orchid-project.org/data/databases/sgte-binary/SbTe-18Pet.tdb): SB2TE3_C33, type code %, sha256 `9e95ae4d75904602…`

~~~~text
72: PHASE SB2TE3_C33 % 3 2 1 2 !
73: CONST SB2TE3_C33 : SB VA : SB TE : TE : !
~~~~

[SbTe-89Gho.tdb](https://orchid-project.org/data/databases/sgte-binary/SbTe-89Gho.tdb): SB2TE3_C33, type code %, sha256 `a84307cafa058316…`

~~~~text
95: PHASE SB2TE3_C33 % 2 2 3 !
96: CONST SB2TE3_C33 : SB% TE : SB TE% : !
~~~~

Example references (4 of 4; assessments first): 

- [doi:10.1007/s11664-014-3299-7](https://doi.org/10.1007/s11664-014-3299-7) Cuiping Guo, Changrong Li, Zhenmin Du, Thermodynamic Re-modeling of the Sb-Te System Using Associate and Ionic Models, Journal of Elec Materi 43, 4082-4089 (2014).  
_assessment that models this phase; reports values for this phase_
- [doi:10.1515/ijmr-1989-801009](https://doi.org/10.1515/ijmr-1989-801009) G. Ghosh, H.L. Lukas, and L. Delaey, Z. Metallkd. 80, 731 (1989).  
_assessment that models this phase; cited as the source of values for this phase_
- [doi:10.1016/0040-6031(86)85051-1](https://doi.org/10.1016/0040-6031%2886%2985051-1) S. Bordas, M.T. Clavaguer-Mora, B. Legendre, Chhay Hancheng, Phase diagram of the ternary system Ge-Sb-Te, Thermochimica Acta 107, 239-265 (1986).  
_cited as the source of values for this phase_
- [doi:10.1016/0022-3697(62)90242-1](https://doi.org/10.1016/0022-3697%2862%2990242-1) Allan Brown, B. Lewis, The systems bismuth-tellurium and antimony-tellurium and the synthesis of the minerals hedleyite and wehrlite, Journal of Physics and Chemistry of Solids 23, 1597-1604 (1962).  
_cited as the source of values for this phase_

## SB4TE5 (Sb–Te)

- Id: `phase:sb-te:sb4te5`; status `assigned`
- Structure: BiSe · hP12 · P-3m1 (164); type `st:bise-hp12`; 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: Sb 0.4444, Te 0.5556
- Stability: stable in 1 of 1 calculated diagram(s): 300–829.44 K, x(Te) 0.55556–0.55556
- Literature: 0 values (0 accepted) from 0 papers
- Interactive: [phase registry entry](https://orchid-project.org/phases/#phase:sb-te:sb4te5)

Names (2): _corpus: _corpus:phase:sb-te:sb4te5  
_tdb: _tdb:SbTe-18Pet.tdb:SB4TE5  


### TDB models of SB4TE5 (1): PHASE and CONSTITUENT statements as written

[SbTe-18Pet.tdb](https://orchid-project.org/data/databases/sgte-binary/SbTe-18Pet.tdb): SB4TE5, type code %, sha256 `9e95ae4d75904602…`

~~~~text
67: PHASE SB4TE5 % 2 4 5 !
68: CONST SB4TE5 : SB : TE : !
~~~~

## SB7TE3 (Sb–Te)

- Id: `phase:sb-te:sb7te3`; status `assigned`
- Structure: Sb2Te · hP9 · P-3m1 (164); type `st:sb2te-hp9`; 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: Sb 0.7000, Te 0.3000
- Stability: stable in 1 of 1 calculated diagram(s): 300–820.13 K, x(Te) 0.3–0.3
- Literature: 0 values (0 accepted) from 0 papers
- Interactive: [phase registry entry](https://orchid-project.org/phases/#phase:sb-te:sb7te3)

Names (2): _corpus: _corpus:phase:sb-te:sb7te3  
_tdb: _tdb:SbTe-18Pet.tdb:SB7TE3  


### TDB models of SB7TE3 (1): PHASE and CONSTITUENT statements as written

[SbTe-18Pet.tdb](https://orchid-project.org/data/databases/sgte-binary/SbTe-18Pet.tdb): SB7TE3, type code %, sha256 `9e95ae4d75904602…`

~~~~text
62: PHASE SB7TE3 % 2 7 3 !
63: CONST SB7TE3 : SB : TE : !
~~~~

## SBTE_GAMMA (Sb–Te)

- Id: `phase:sb-te:sbte-gamma`; status `needs_review`
- No structure assigned. Why: assessment_declared_compound_differs_from_site_ratios; no_structure_token; off_stoichiometric_model
- Candidate (literature_printed): BiSe · hP12 — printed with a label mapped to this phase
- Candidate (sgte_mmc2): BiSe · hP12 · P-3m1 (164) — Hallstedt 2025 mmc2 row for SBTE_GAMMA: SbTe (gamma)
- Candidate (tdb_comment): BiSe · hP12 · P-3m1 — SbTe-14Guo.tdb: 'Prototype BiSe (hP12, P-3m1)'
- Candidate (tdb_comment): BiSe · hP12 · P-3m1 — SbTe-89Gho.tdb: 'Prototype BiSe (hP12, P-3m1)'
- Stability: stable in 2 of 2 calculated diagram(s): 300–831.5 K, x(Te) 0.4045–0.49063
- Literature: 10 values (10 accepted) from 1 papers
- Interactive: [phase registry entry](https://orchid-project.org/phases/#phase:sb-te:sbte-gamma)

Names (4): _corpus: _corpus:phase:sb-te:sbte-gamma  
_paper: _paper:10.1007/s11664-014-3299-7:gamma  
_tdb: _tdb:SbTe-14Guo.tdb:SBTE_GAMMA, tdb:SbTe-89Gho.tdb:SBTE_GAMMA  


### TDB models of SBTE_GAMMA (2): PHASE and CONSTITUENT statements as written

[SbTe-14Guo.tdb](https://orchid-project.org/data/databases/sgte-binary/SbTe-14Guo.tdb): SBTE_GAMMA, type code %, sha256 `9cb90c1c04c3cdc6…`

~~~~text
72: PHASE SBTE_GAMMA % 2 2 3 !
73: CONST SBTE_GAMMA : SB : SB TE : !
~~~~

[SbTe-89Gho.tdb](https://orchid-project.org/data/databases/sgte-binary/SbTe-89Gho.tdb): SBTE_GAMMA, type code %, sha256 `a84307cafa058316…`

~~~~text
90: PHASE SBTE_GAMMA % 2 2 3 !
91: CONST SBTE_GAMMA : SB : SB TE : !
~~~~

Example references (3 of 3; assessments first): 

- [doi:10.1007/s11664-014-3299-7](https://doi.org/10.1007/s11664-014-3299-7) Cuiping Guo, Changrong Li, Zhenmin Du, Thermodynamic Re-modeling of the Sb-Te System Using Associate and Ionic Models, Journal of Elec Materi 43, 4082-4089 (2014).  
_assessment that models this phase; reports values for this phase_
- [doi:10.1515/ijmr-1989-801009](https://doi.org/10.1515/ijmr-1989-801009) G. Ghosh, H.L. Lukas, and L. Delaey, Z. Metallkd. 80, 731 (1989).  
_assessment that models this phase; cited as the source of values for this phase_
- [doi:10.1016/0040-6031(86)85051-1](https://doi.org/10.1016/0040-6031%2886%2985051-1) S. Bordas, M.T. Clavaguer-Mora, B. Legendre, Chhay Hancheng, Phase diagram of the ternary system Ge-Sb-Te, Thermochimica Acta 107, 239-265 (1986).  
_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).
