Ag–Cd phases

8 phases (tier A 5, tier C 1, liquid 1, needs_review 1); 8 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 · full JSON · Ag–Cd system page · Markdown · field reference

Phases of the Ag–Cd system (8)
Phase	Structure	Basis	Stability (calculated)	TDB models
AG2CD3_D82 phase:ag-cd:ag2cd3-d82		needs_review	stable in 1 of 2 calculated diagram(s): 300–903.4 K, x(Cd) 0.6–0.6	2
AGCD_A3 phase:ag-cd:agcd-a3	Mg · A3 · hP2 · P6_3/mmc (194)	tier A: standard phase name	stable in 1 of 1 calculated diagram(s): 497.81–734.39 K, x(Cd) 0.48276–0.54602	1
AGCD_B2 phase:ag-cd:agcd-b2	CsCl · B2 · cP2 · Pm-3m (221)	tier A: standard phase name	stable in 2 of 2 calculated diagram(s): 300–516.94 K, x(Cd) 0.5–0.5	2
BCC_A2 phase:ag-cd:bcc-a2	W · A2 · cI2 · Im-3m (229)	tier A: standard phase name	stable in 2 of 2 calculated diagram(s): 701.38–992.97 K, x(Cd) 0.4272–0.59379	2
FCC_A1 phase:ag-cd:fcc-a1	Cu · A1 · cF4 · Fm-3m (225)	tier A: standard phase name	stable in 2 of 2 calculated diagram(s): 300–1234.93 K, x(Cd) 0–0.44276	2
HCP_A3 phase:ag-cd:hcp-a3	Mg · A3 · hP2 · P6_3/mmc (194)	tier A: standard phase name	stable in 2 of 2 calculated diagram(s): 300–866.6 K, x(Cd) 0.66673–1	2
HCP_IM_A3 phase:ag-cd:hcp-a3-im	Mg · A3 · hP2 · P6_3/mmc (194)	tier C: assessor-stated (Hallstedt 2025 crystallographic table)	stable in 1 of 1 calculated diagram(s): 300–886.3 K, x(Cd) 0.49106–0.82749	1
LIQUID phase:ag-cd:liquid	liquid	liquid	stable in 2 of 2 calculated diagram(s): 593.22–2500 K, x(Cd) 0–1	2

AG2CD3_D82 (Ag–Cd)

Id: phase:ag-cd:ag2cd3-d82; status needs_review
No structure assigned. Why: assessment_declared_blocked_by:stoichiometry_contradicts_D8_2; stoichiometry_contradicts_D8_2:AgCd-04Che-LB.tdb; stoichiometry_contradicts_D8_2:AgCd-19Fis.tdb
Candidate (name_token): Cu5Zn8 · D8_2 · cI52 · I-43m (217) — Strukturbericht/word 'D82' in the TDB name
Candidate (sgte_mmc2): Cu5Zn8 · D8_2 · cI52 · I-43m (217) — Hallstedt 2025 mmc2 row for AG2CD3_D82: Ag2Cd3
Candidate (tdb_comment): Cu5Zn8 · cI52 · I-43m — AgCd-04Che-LB.tdb: 'Prototype Cu5Zn8 (cI52, I-43m)'
Candidate (tdb_comment): Cu5Zn8 · cI52 · I-43m — AgCd-19Fis.tdb: 'Prototype Cu5Zn8 (cI52, I-43m)'
Stoichiometry: Ag 0.4000, Cd 0.6000
Stability: stable in 1 of 2 calculated diagram(s): 300–903.4 K, x(Cd) 0.6–0.6
Literature: 0 values (0 accepted) from 0 papers
Interactive: phase registry entry

Names (3): corpus: corpus:phase:ag-cd:ag2cd3-d82
tdb: tdb:AgCd-04Che-LB.tdb:AG2CD3_D82, tdb:AgCd-19Fis.tdb:AG2CD3_D82

TDB models of AG2CD3_D82 (2): PHASE and CONSTITUENT statements as written

AgCd-04Che-LB.tdb: AG2CD3_D82, type code %, sha256 1069d30f1957b866…

58: PHASE AG2CD3_D82 % 2 2 3 !
59: CONST AG2CD3_D82 : AG : CD : !

AgCd-19Fis.tdb: AG2CD3_D82, type code %, sha256 34c2dd35b1690188…

51: PHASE AG2CD3_D82 % 2 2 3 !
52: CONST AG2CD3_D82 : AG : CD : !

Example references (1 of 1; assessments first):

doi:10.1016/j.calphad.2019.01.001 E. Fischer, K. Gajavalli, G. Mikaelian, P. Benigni, J. Rogez, A. Decreton et al., Experimental study and thermodynamic modelling of the Ag-Cd-In system, Calphad 64, 292-305 (2019).
assessment that models this phase

AGCD_A3 (Ag–Cd)

Id: phase:ag-cd:agcd-a3; status assigned
Structure: Mg · A3 · hP2 · P6_3/mmc (194); type st:a3-mg-hp2; tier A: standard phase name; confidence high
Stability: stable in 1 of 1 calculated diagram(s): 497.81–734.39 K, x(Cd) 0.48276–0.54602
Literature: 0 values (0 accepted) from 0 papers
Interactive: phase registry entry

Names (2): corpus: corpus:phase:ag-cd:agcd-a3
tdb: tdb:AgCd-04Che-LB.tdb:AGCD_A3

TDB models of AGCD_A3 (1): PHASE and CONSTITUENT statements as written

AgCd-04Che-LB.tdb: AGCD_A3, type code %, sha256 1069d30f1957b866…

48: PHASE AGCD_A3 % 1 1 !
49: CONST AGCD_A3 : AG CD : !

AGCD_B2 (Ag–Cd)

Id: phase:ag-cd:agcd-b2; status assigned
Structure: CsCl · B2 · cP2 · Pm-3m (221); type st:b2-cscl-cp2; tier A: standard phase name; confidence high
Stoichiometry: Ag 0.5000, Cd 0.5000
Stability: stable in 2 of 2 calculated diagram(s): 300–516.94 K, x(Cd) 0.5–0.5
Literature: 0 values (0 accepted) from 0 papers
Interactive: phase registry entry

Names (3): corpus: corpus:phase:ag-cd:agcd-b2
tdb: tdb:AgCd-04Che-LB.tdb:AGCD_B2, tdb:AgCd-19Fis.tdb:AGCD_B2

TDB models of AGCD_B2 (2): PHASE and CONSTITUENT statements as written

AgCd-04Che-LB.tdb: AGCD_B2, type code %, sha256 1069d30f1957b866…

53: PHASE AGCD_B2 % 2 1 1 !
54: CONST AGCD_B2 : AG : CD : !

AgCd-19Fis.tdb: AGCD_B2, type code %, sha256 34c2dd35b1690188…

46: PHASE AGCD_B2 % 2 1 1 !
47: CONST AGCD_B2 : AG : CD : !

Example references (1 of 1; assessments first):

doi:10.1016/j.calphad.2019.01.001 E. Fischer, K. Gajavalli, G. Mikaelian, P. Benigni, J. Rogez, A. Decreton et al., Experimental study and thermodynamic modelling of the Ag-Cd-In system, Calphad 64, 292-305 (2019).
assessment that models this phase

BCC_A2 (Ag–Cd)

Id: phase:ag-cd: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): 701.38–992.97 K, x(Cd) 0.4272–0.59379
Literature: 0 values (0 accepted) from 0 papers
Interactive: phase registry entry

Names (3): corpus: corpus:phase:ag-cd:bcc-a2
tdb: tdb:AgCd-04Che-LB.tdb:BCC_A2, tdb:AgCd-19Fis.tdb:BCC_A2

TDB models of BCC_A2 (2): PHASE and CONSTITUENT statements as written

AgCd-04Che-LB.tdb: BCC_A2, type code %B, sha256 1069d30f1957b866…

38: PHASE BCC_A2 %B 2 1 3 !
39: CONST BCC_A2 : AG CD : VA : !

AgCd-19Fis.tdb: BCC_A2, type code %B, sha256 34c2dd35b1690188…

31: PHASE BCC_A2 %B 2 1 3 !
32: CONST BCC_A2 : AG CD : VA : !

Example references (1 of 1; assessments first):

doi:10.1016/j.calphad.2019.01.001 E. Fischer, K. Gajavalli, G. Mikaelian, P. Benigni, J. Rogez, A. Decreton et al., Experimental study and thermodynamic modelling of the Ag-Cd-In system, Calphad 64, 292-305 (2019).
assessment that models this phase

FCC_A1 (Ag–Cd)

Id: phase:ag-cd: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): 300–1234.93 K, x(Cd) 0–0.44276
Literature: 0 values (0 accepted) from 0 papers
Interactive: phase registry entry

Names (3): corpus: corpus:phase:ag-cd:fcc-a1
tdb: tdb:AgCd-04Che-LB.tdb:FCC_A1, tdb:AgCd-19Fis.tdb:FCC_A1

TDB models of FCC_A1 (2): PHASE and CONSTITUENT statements as written

AgCd-04Che-LB.tdb: FCC_A1, type code %A, sha256 1069d30f1957b866…

33: PHASE FCC_A1 %A 2 1 1 !
34: CONST FCC_A1 : AG% CD : VA : !

AgCd-19Fis.tdb: FCC_A1, type code %A, sha256 34c2dd35b1690188…

26: PHASE FCC_A1 %A 2 1 1 !
27: CONST FCC_A1 : AG% CD : VA : !

Example references (1 of 1; assessments first):

doi:10.1016/j.calphad.2019.01.001 E. Fischer, K. Gajavalli, G. Mikaelian, P. Benigni, J. Rogez, A. Decreton et al., Experimental study and thermodynamic modelling of the Ag-Cd-In system, Calphad 64, 292-305 (2019).
assessment that models this phase

HCP_A3 (Ag–Cd)

Id: phase:ag-cd: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: stable in 2 of 2 calculated diagram(s): 300–866.6 K, x(Cd) 0.66673–1
Literature: 0 values (0 accepted) from 0 papers
Interactive: phase registry entry

Names (3): corpus: corpus:phase:ag-cd:hcp-a3
tdb: tdb:AgCd-04Che-LB.tdb:HCP_A3, tdb:AgCd-19Fis.tdb:HCP_A3

TDB models of HCP_A3 (2): PHASE and CONSTITUENT statements as written

AgCd-04Che-LB.tdb: HCP_A3, type code %A, sha256 1069d30f1957b866…

43: PHASE HCP_A3 %A 2 1 0.5 !
44: CONST HCP_A3 : AG CD% : VA : !

AgCd-19Fis.tdb: HCP_A3, type code %A, sha256 34c2dd35b1690188…

36: PHASE HCP_A3 %A 2 1 0.5 !
37: CONST HCP_A3 : AG CD% : VA : !

Example references (1 of 1; assessments first):

doi:10.1016/j.calphad.2019.01.001 E. Fischer, K. Gajavalli, G. Mikaelian, P. Benigni, J. Rogez, A. Decreton et al., Experimental study and thermodynamic modelling of the Ag-Cd-In system, Calphad 64, 292-305 (2019).
assessment that models this phase

HCP_IM_A3 (Ag–Cd)

Id: phase:ag-cd:hcp-a3-im; status assigned
Structure: Mg · A3 · hP2 · P6_3/mmc (194); type st:a3-mg-hp2; 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
Caveat: not certain from the name or DFT alone (unrecognised_name_tokens:IM); structure as stated in the SGTE crystallographic table for this phase name and system
Stability: stable in 1 of 1 calculated diagram(s): 300–886.3 K, x(Cd) 0.49106–0.82749
Literature: 0 values (0 accepted) from 0 papers
Interactive: phase registry entry

Names (2): corpus: corpus:phase:ag-cd:hcp-a3-im
tdb: tdb:AgCd-19Fis.tdb:HCP_IM_A3

TDB models of HCP_IM_A3 (1): PHASE and CONSTITUENT statements as written

AgCd-19Fis.tdb: HCP_IM_A3, type code %, sha256 34c2dd35b1690188…

41: PHASE HCP_IM_A3 % 1 1 !
42: CONST HCP_IM_A3 : AG CD : !

Example references (1 of 1; assessments first):

doi:10.1016/j.calphad.2019.01.001 E. Fischer, K. Gajavalli, G. Mikaelian, P. Benigni, J. Rogez, A. Decreton et al., Experimental study and thermodynamic modelling of the Ag-Cd-In system, Calphad 64, 292-305 (2019).
assessment that models this phase

LIQUID (Ag–Cd)

Id: phase:ag-cd:liquid; status assigned
Structure: liquid; type st:liquid; liquid; confidence high
Stability: stable in 2 of 2 calculated diagram(s): 593.22–2500 K, x(Cd) 0–1
Literature: 0 values (0 accepted) from 0 papers
Interactive: phase registry entry

Names (3): corpus: corpus:phase:ag-cd:liquid
tdb: tdb:AgCd-04Che-LB.tdb:LIQUID, tdb:AgCd-19Fis.tdb:LIQUID

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

AgCd-04Che-LB.tdb: LIQUID, type code %, sha256 1069d30f1957b866…

28: PHASE LIQUID:L % 1 1 !
29: CONST LIQUID:L : AG CD : !

AgCd-19Fis.tdb: LIQUID, type code %, sha256 34c2dd35b1690188…

21: PHASE LIQUID:L % 1 1 !
22: CONST LIQUID:L : AG CD : !

Example references (1 of 1; assessments first):

doi:10.1016/j.calphad.2019.01.001 E. Fischer, K. Gajavalli, G. Mikaelian, P. Benigni, J. Rogez, A. Decreton et al., Experimental study and thermodynamic modelling of the Ag-Cd-In system, Calphad 64, 292-305 (2019).
assessment that models 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). doi: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). doi: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.

@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}
}