Cu–In phases

12 phases (tier A 5, tier B 1, tier C 1, liquid 1, needs_review 4); 11 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 · Cu–In system page · Markdown · field reference

Phases of the Cu–In system (12)
Phase	Structure	Basis	Stability (calculated)	Literature values	TDB models
TETRAGONAL_A6 phase:cu-in:a6-tetragonal	In · A6 · tI2 · I4/mmm (139)	tier A: standard phase name	stable in 5 of 5 calculated diagram(s): 300–429.75 K, x(In) 1–1	2	5
BCC_A2 phase:cu-in:bcc-a2	W · A2 · cI2 · Im-3m (229)	tier A: standard phase name	stable in 4 of 5 calculated diagram(s): 840.77–984.32 K, x(In) 0.18704–0.24672	15	5
CU11IN9 phase:cu-in:cu11in9	AlCu(r) · mC20 · C2/m (12)	tier C: assessor-stated (Hallstedt 2025 crystallographic table)	stable in 5 of 5 calculated diagram(s): 300–610 K, x(In) 0.45–0.45	7	5
CU2IN_LT phase:cu-in:cu2in		needs_review	stable in 4 of 4 calculated diagram(s): 300–939.33 K, x(In) 0.33333–0.36	7	4
CU2IN_B82 phase:cu-in:cu2in-b82	InNi2 · B8_2 · hP6 · P6_3/mmc (194)	tier A: standard phase name	stable in 4 of 4 calculated diagram(s): 334.9–942.76 K, x(In) 0.3266–0.40007	0	4
CU4IN phase:cu-in:cu4in		needs_review	stable in 1 of 1 calculated diagram(s): 864.81–983.67 K, x(In) 0.2–0.2	0	1
CU7IN3 phase:cu-in:cu7in3	Cu7In3 · aP40 · P-1 (2)	tier B: DFT-supported (unique MP + OQMD match)	stable in 5 of 5 calculated diagram(s): 300–955.77 K, x(In) 0.3–0.3	25	5
CU9IN4_D83 phase:cu-in:cu9in4-d83		needs_review	stable in 4 of 4 calculated diagram(s): 886.25–961.64 K, x(In) 0.27969–0.33886	10	4
CUIN2 phase:cu-in:cuin2		needs_review	stable in 1 of 1 calculated diagram(s): 300–380.76 K, x(In) 0.667–0.667	0	1
FCC_A1 phase:cu-in:fcc-a1	Cu · A1 · cF4 · Fm-3m (225)	tier A: standard phase name	stable in 5 of 5 calculated diagram(s): 300–1359.77 K, x(In) 0–0.10397	4	5
HCP_A3 phase:cu-in:hcp-a3	Mg · A3 · hP2 · P6_3/mmc (194)	tier A: standard phase name	not stable in 5 calculated diagram(s)	0	5
LIQUID phase:cu-in:liquid	liquid	liquid	stable in 5 of 5 calculated diagram(s): 425.92–2500 K, x(In) 0–1	12	5

TETRAGONAL_A6 (Cu–In)

Id: phase:cu-in:a6-tetragonal; status assigned
Structure: In · A6 · tI2 · I4/mmm (139); type st:a6-in-ti2; tier A: standard phase name; confidence high
Stoichiometry: In 1.0000
Stability: stable in 5 of 5 calculated diagram(s): 300–429.75 K, x(In) 1–1
Literature: 2 values (2 accepted) from 1 papers
Interactive: phase registry entry

Names (8): corpus: corpus:phase:cu-in:a6-tetragonal, corpus:phase:cu-in:tetragonal-a6
paper: paper:10.1007/bf02652158:(In)
tdb: tdb:CuIn-02Her.tdb:TETRAGONAL_A6, tdb:CuIn-02Liu-LB.tdb:TETRAGONAL_A6, tdb:CuIn-02Liu-orig.tdb:TETRAGONAL_A6, tdb:CuIn-24Cha.tdb:TETRAGONAL_A6, tdb:CuIn-93Kao.tdb:TETRAGONAL_A6

TDB models of TETRAGONAL_A6 (5): PHASE and CONSTITUENT statements as written

CuIn-02Her.tdb: TETRAGONAL_A6, type code %, sha256 939f507801d25dfe…

45: PHASE TETRAGONAL_A6 % 1 1 !
46: CONST TETRAGONAL_A6 : IN : !

CuIn-02Liu-LB.tdb: TETRAGONAL_A6, type code %, sha256 bfea037b638c1645…

58: PHASE TETRAGONAL_A6 % 1 1 !
59: CONST TETRAGONAL_A6 : IN : !

CuIn-02Liu-orig.tdb: TETRAGONAL_A6, type code %, sha256 d4b7857edb2a6ed4…

48: PHASE TETRAGONAL_A6 % 1 1 !
49: CONST TETRAGONAL_A6 : IN : !

CuIn-24Cha.tdb: TETRAGONAL_A6, type code %, sha256 afb9d98766f375ca…

45: PHASE TETRAGONAL_A6 % 1 1 !
46: CONST TETRAGONAL_A6 : IN : !

CuIn-93Kao.tdb: TETRAGONAL_A6, type code %, sha256 d051d27676496f92…

60: PHASE TETRAGONAL_A6 % 1 1 !
61: CONST TETRAGONAL_A6 : IN : !

Example references (4 of 4; assessments first):

doi:10.1007/BF02652158 C.R. Kao, A. Bolcavage, S.-L. Chen, S.W. Chen, Y.A. Chang, A.D. Romig, J. Phase Equilib., 14, 22-30(1993).
assessment that models this phase; reports values for this phase
doi:10.1016/j.calphad.2024.102700 F.-L. Chang, Y.-H. Lin, H.-T. Hung, C.R. Kao, Calphad, 85, 102700(2024).
assessment that models this phase
doi:10.1361/105497102770331163 Jean Hertz, Khadija Aissaoui, Lahcen Bouirden, A thermodynamic optimization of the Cu-In system, JPE 23, 473-479 (2002).
assessment that models this phase
doi:10.1361/105497102770331352 H. S. Liu, Y. Cui, K. Ishida, X. J. Liu, C. P. Wang, I. Ohnuma et al., Thermodynamic assessment of the Cu-In binary system, JPE 23, 409-415 (2002).
assessment that models this phase

BCC_A2 (Cu–In)

Id: phase:cu-in: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 4 of 5 calculated diagram(s): 840.77–984.32 K, x(In) 0.18704–0.24672
Literature: 15 values (15 accepted) from 3 papers
Interactive: phase registry entry

Names (10): corpus: corpus:phase:cu-in:bcc-a2
paper: paper:10.1007/bf02652158:β, paper:10.1361/105497102770331163:β, paper:10.1361/105497102770331352:β
system_alias: system_alias:cu-in:beta
tdb: tdb:CuIn-02Her.tdb:BCC_A2, tdb:CuIn-02Liu-LB.tdb:BCC_A2, tdb:CuIn-02Liu-orig.tdb:BCC_A2, tdb:CuIn-24Cha.tdb:BCC_A2, tdb:CuIn-93Kao.tdb:BCC_A2

TDB models of BCC_A2 (5): PHASE and CONSTITUENT statements as written

CuIn-02Her.tdb: BCC_A2, type code %B, sha256 939f507801d25dfe…

35: PHASE BCC_A2 %B 2 1 3 !
36: CONST BCC_A2 : CU IN : VA : !

CuIn-02Liu-LB.tdb: BCC_A2, type code %B, sha256 bfea037b638c1645…

48: PHASE BCC_A2 %B 2 1 3 !
49: CONST BCC_A2 : CU IN : VA : !

CuIn-02Liu-orig.tdb: BCC_A2, type code %B, sha256 d4b7857edb2a6ed4…

38: PHASE BCC_A2 %B 2 1 3 !
39: CONST BCC_A2 : CU IN : VA : !

CuIn-24Cha.tdb: BCC_A2, type code %B, sha256 afb9d98766f375ca…

35: PHASE BCC_A2 %B 2 1 3 !
36: CONST BCC_A2 : CU IN : VA : !

CuIn-93Kao.tdb: BCC_A2, type code %B, sha256 d051d27676496f92…

50: PHASE BCC_A2 %B 2 1 3 !
51: CONST BCC_A2 : CU IN : VA : !

Example references (4 of 4; assessments first):

doi:10.1007/BF02652158 C.R. Kao, A. Bolcavage, S.-L. Chen, S.W. Chen, Y.A. Chang, A.D. Romig, J. Phase Equilib., 14, 22-30(1993).
assessment that models this phase; reports values for this phase
doi:10.1361/105497102770331163 Jean Hertz, Khadija Aissaoui, Lahcen Bouirden, A thermodynamic optimization of the Cu-In system, JPE 23, 473-479 (2002).
assessment that models this phase; reports values for this phase
doi:10.1361/105497102770331352 H. S. Liu, Y. Cui, K. Ishida, X. J. Liu, C. P. Wang, I. Ohnuma et al., Thermodynamic assessment of the Cu-In binary system, JPE 23, 409-415 (2002).
assessment that models this phase; reports values for this phase
doi:10.1016/j.calphad.2024.102700 F.-L. Chang, Y.-H. Lin, H.-T. Hung, C.R. Kao, Calphad, 85, 102700(2024).
assessment that models this phase

CU11IN9 (Cu–In)

Id: phase:cu-in:cu11in9; status assigned
Structure: AlCu(r) · mC20 · C2/m (12); type st:alcu-r-mc20; 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 (no_on_hull_entry_in_both, no_structure_token); structure as stated in the SGTE crystallographic table for this phase name and system
Stoichiometry: Cu 0.5500, In 0.4500
Stability: stable in 5 of 5 calculated diagram(s): 300–610 K, x(In) 0.45–0.45
Literature: 7 values (7 accepted) from 1 papers
Interactive: phase registry entry

Names (7): corpus: corpus:phase:cu-in:cu11in9
paper: paper:10.1007/bf02652158:Cu11In9
tdb: tdb:CuIn-02Her.tdb:CU11IN9, tdb:CuIn-02Liu-LB.tdb:CU11IN9, tdb:CuIn-02Liu-orig.tdb:CU11IN9, tdb:CuIn-24Cha.tdb:CU11IN9, tdb:CuIn-93Kao.tdb:CU11IN9

TDB models of CU11IN9 (5): PHASE and CONSTITUENT statements as written

CuIn-02Her.tdb: CU11IN9, type code %, sha256 939f507801d25dfe…

66: PHASE CU11IN9 % 2 11 9 !
67: CONST CU11IN9 : CU : IN : !

CuIn-02Liu-LB.tdb: CU11IN9, type code %, sha256 bfea037b638c1645…

89: PHASE CU11IN9 % 2 0.55 0.45 !
90: CONST CU11IN9 : CU : IN : !

CuIn-02Liu-orig.tdb: CU11IN9, type code %, sha256 d4b7857edb2a6ed4…

74: PHASE CU11IN9 % 2 0.55 0.45 !
75: CONST CU11IN9 : CU : IN : !

CuIn-24Cha.tdb: CU11IN9, type code %, sha256 afb9d98766f375ca…

71: PHASE CU11IN9 % 2 0.55 0.45 !
72: CONST CU11IN9 : CU : IN : !

CuIn-93Kao.tdb: CU11IN9, type code %, sha256 d051d27676496f92…

82: PHASE CU11IN9 % 2 11 9 !
83: CONST CU11IN9 : CU : IN : !

Example references (4 of 4; assessments first):

doi:10.1007/BF02652158 C.R. Kao, A. Bolcavage, S.-L. Chen, S.W. Chen, Y.A. Chang, A.D. Romig, J. Phase Equilib., 14, 22-30(1993).
assessment that models this phase; reports values for this phase
doi:10.1016/j.calphad.2024.102700 F.-L. Chang, Y.-H. Lin, H.-T. Hung, C.R. Kao, Calphad, 85, 102700(2024).
assessment that models this phase
doi:10.1361/105497102770331163 Jean Hertz, Khadija Aissaoui, Lahcen Bouirden, A thermodynamic optimization of the Cu-In system, JPE 23, 473-479 (2002).
assessment that models this phase
doi:10.1361/105497102770331352 H. S. Liu, Y. Cui, K. Ishida, X. J. Liu, C. P. Wang, I. Ohnuma et al., Thermodynamic assessment of the Cu-In binary system, JPE 23, 409-415 (2002).
assessment that models this phase

CU2IN_LT (Cu–In)

Id: phase:cu-in:cu2in; status needs_review
No structure assigned. Why: models_disagree_on_composition; no_structure_token
Candidate (sgte_mmc2): (Cu2In) — Hallstedt 2025 mmc2 row for CU2IN_LT: Cu2In-lt
Candidate (tdb_comment): InNi2 · hP6 · P6_3/mmc — CuIn-93Kao.tdb: 'Prototype InNi2 (hP6, P6_3/mmc), NiAs-type suggested in LB binary, Cu2In-ht'
Stability: stable in 4 of 4 calculated diagram(s): 300–939.33 K, x(In) 0.33333–0.36
Literature: 7 values (7 accepted) from 1 papers
Interactive: phase registry entry

Names (7): corpus: corpus:phase:cu-in:cu2in
paper: paper:10.1007/bf02652158:η, paper:10.1007/bf02652158:ηCu2In
tdb: tdb:CuIn-02Liu-LB.tdb:CU2IN_LT, tdb:CuIn-02Liu-orig.tdb:CU2IN_LT, tdb:CuIn-24Cha.tdb:CU2IN_LT, tdb:CuIn-93Kao.tdb:CU2IN

TDB models of CU2IN_LT (4): PHASE and CONSTITUENT statements as written

CuIn-02Liu-LB.tdb: CU2IN_LT, type code %, sha256 bfea037b638c1645…

84: PHASE CU2IN_LT % 2 0.64 0.36 !
85: CONST CU2IN_LT : CU : IN : !

CuIn-02Liu-orig.tdb: CU2IN_LT, type code %, sha256 d4b7857edb2a6ed4…

69: PHASE CU2IN_LT % 2 0.64 0.36 !
70: CONST CU2IN_LT : CU : IN : !

CuIn-24Cha.tdb: CU2IN_LT, type code %, sha256 afb9d98766f375ca…

66: PHASE CU2IN_LT % 2 0.64 0.36 !
67: CONST CU2IN_LT : CU : IN : !

CuIn-93Kao.tdb: CU2IN, type code %, sha256 d051d27676496f92…

77: PHASE CU2IN % 2 2 1 !
78: CONST CU2IN : CU : IN : !

Example references (3 of 3; assessments first):

doi:10.1007/BF02652158 C.R. Kao, A. Bolcavage, S.-L. Chen, S.W. Chen, Y.A. Chang, A.D. Romig, J. Phase Equilib., 14, 22-30(1993).
assessment that models this phase; reports values for this phase
doi:10.1016/j.calphad.2024.102700 F.-L. Chang, Y.-H. Lin, H.-T. Hung, C.R. Kao, Calphad, 85, 102700(2024).
assessment that models this phase
doi:10.1361/105497102770331352 H. S. Liu, Y. Cui, K. Ishida, X. J. Liu, C. P. Wang, I. Ohnuma et al., Thermodynamic assessment of the Cu-In binary system, JPE 23, 409-415 (2002).
assessment that models this phase

CU2IN_B82 (Cu–In)

Id: phase:cu-in:cu2in-b82; status assigned
Structure: InNi2 · B8_2 · hP6 · P6_3/mmc (194); type st:b8-2-inni2-hp6; tier A: standard phase name; confidence high
Caveat: partitioned order/disorder model in CuIn-02Her.tdb also describes the disordered state
Stability: stable in 4 of 4 calculated diagram(s): 334.9–942.76 K, x(In) 0.3266–0.40007
Literature: 0 values (0 accepted) from 0 papers
Interactive: phase registry entry

Names (5): corpus: corpus:phase:cu-in:cu2in-b82
tdb: tdb:CuIn-02Her.tdb:CU2IN_B82, tdb:CuIn-02Liu-LB.tdb:CU2IN_B82, tdb:CuIn-02Liu-orig.tdb:CU2IN_B82, tdb:CuIn-24Cha.tdb:CU2IN_B82

TDB models of CU2IN_B82 (4): PHASE and CONSTITUENT statements as written

CuIn-02Her.tdb: CU2IN_B82, type code %, sha256 939f507801d25dfe…

61: PHASE CU2IN_B82 % 2 6 4 !
62: CONST CU2IN_B82 : CU IN : CU IN : !

CuIn-02Liu-LB.tdb: CU2IN_B82, type code %, sha256 bfea037b638c1645…

74: PHASE CU2IN_B82 % 3 1 1 1 !
75: CONST CU2IN_B82 : CU : CU VA : IN : !

CuIn-02Liu-orig.tdb: CU2IN_B82, type code %, sha256 d4b7857edb2a6ed4…

64: PHASE CU2IN_B82 % 3 0.545 0.122 0.333 !
65: CONST CU2IN_B82 : CU : CU IN : IN : !

CuIn-24Cha.tdb: CU2IN_B82, type code %, sha256 afb9d98766f375ca…

61: PHASE CU2IN_B82 % 3 0.545 0.122 0.333 !
62: CONST CU2IN_B82 : CU : CU IN : IN : !

Example references (3 of 3; assessments first):

doi:10.1016/j.calphad.2024.102700 F.-L. Chang, Y.-H. Lin, H.-T. Hung, C.R. Kao, Calphad, 85, 102700(2024).
assessment that models this phase
doi:10.1361/105497102770331163 Jean Hertz, Khadija Aissaoui, Lahcen Bouirden, A thermodynamic optimization of the Cu-In system, JPE 23, 473-479 (2002).
assessment that models this phase
doi:10.1361/105497102770331352 H. S. Liu, Y. Cui, K. Ishida, X. J. Liu, C. P. Wang, I. Ohnuma et al., Thermodynamic assessment of the Cu-In binary system, JPE 23, 409-415 (2002).
assessment that models this phase

CU4IN (Cu–In)

Id: phase:cu-in:cu4in; status needs_review
No structure assigned. Why: no_on_hull_entry_in_both; no_structure_token
Candidate (tdb_comment): W · cI2 · Im-3m — CuIn-93Kao.tdb: 'Prototype W (cI2, Im-3m), bcc!!, beta'
Stoichiometry: Cu 0.8000, In 0.2000
Stability: stable in 1 of 1 calculated diagram(s): 864.81–983.67 K, x(In) 0.2–0.2
Literature: 0 values (0 accepted) from 0 papers
Interactive: phase registry entry

Names (2): corpus: corpus:phase:cu-in:cu4in
tdb: tdb:CuIn-93Kao.tdb:CU4IN

TDB models of CU4IN (1): PHASE and CONSTITUENT statements as written

CuIn-93Kao.tdb: CU4IN, type code %, sha256 d051d27676496f92…

65: PHASE CU4IN % 2 4 1 !
66: CONST CU4IN : CU : IN : !

Example references (1 of 1; assessments first):

doi:10.1007/BF02652158 C.R. Kao, A. Bolcavage, S.-L. Chen, S.W. Chen, Y.A. Chang, A.D. Romig, J. Phase Equilib., 14, 22-30(1993).
assessment that models this phase

CU7IN3 (Cu–In)

Id: phase:cu-in:cu7in3; status assigned
Structure: Cu7In3 · aP40 · P-1 (2); type st:cu7in3-ap40; tier B: DFT-supported (unique MP + OQMD match); confidence high
Stoichiometry: Cu 0.7000, In 0.3000
Stability: stable in 5 of 5 calculated diagram(s): 300–955.77 K, x(In) 0.3–0.3
Literature: 25 values (25 accepted) from 3 papers
Interactive: phase registry entry

Names (14): corpus: corpus:phase:cu-in:cu7in3
mp: mp:mp-aaaabgnp
oqmd: oqmd:oqmd-2051515
paper: paper:10.1007/bf02652158:γ, paper:10.1007/bf02652158:δ, paper:10.1007/bf02652158:δCu7In3, paper:10.1361/105497102770331163:δ, paper:10.1361/105497102770331352:δ
system_alias: system_alias:cu-in:delta
tdb: tdb:CuIn-02Her.tdb:CU7IN3, tdb:CuIn-02Liu-LB.tdb:CU7IN3, tdb:CuIn-02Liu-orig.tdb:CU7IN3, tdb:CuIn-24Cha.tdb:CU7IN3, tdb:CuIn-93Kao.tdb:CU7IN3

TDB models of CU7IN3 (5): PHASE and CONSTITUENT statements as written

CuIn-02Her.tdb: CU7IN3, type code %, sha256 939f507801d25dfe…

55: PHASE CU7IN3 % 2 7 3 !
56: CONST CU7IN3 : CU : IN : !

CuIn-02Liu-LB.tdb: CU7IN3, type code %, sha256 bfea037b638c1645…

68: PHASE CU7IN3 % 2 0.7 0.3 !
69: CONST CU7IN3 : CU : IN : !

CuIn-02Liu-orig.tdb: CU7IN3, type code %, sha256 d4b7857edb2a6ed4…

58: PHASE CU7IN3 % 2 0.7 0.3 !
59: CONST CU7IN3 : CU : IN : !

CuIn-24Cha.tdb: CU7IN3, type code %, sha256 afb9d98766f375ca…

55: PHASE CU7IN3 % 2 0.7 0.3 !
56: CONST CU7IN3 : CU : IN : !

CuIn-93Kao.tdb: CU7IN3, type code %, sha256 d051d27676496f92…

70: PHASE CU7IN3 % 2 7 3 !
71: CONST CU7IN3 : CU : IN : !

Example references (5 of 5; assessments first):

doi:10.1007/BF02652158 C.R. Kao, A. Bolcavage, S.-L. Chen, S.W. Chen, Y.A. Chang, A.D. Romig, J. Phase Equilib., 14, 22-30(1993).
assessment that models this phase; reports values for this phase
doi:10.1361/105497102770331163 Jean Hertz, Khadija Aissaoui, Lahcen Bouirden, A thermodynamic optimization of the Cu-In system, JPE 23, 473-479 (2002).
assessment that models this phase; reports values for this phase
doi:10.1361/105497102770331352 H. S. Liu, Y. Cui, K. Ishida, X. J. Liu, C. P. Wang, I. Ohnuma et al., Thermodynamic assessment of the Cu-In binary system, JPE 23, 409-415 (2002).
assessment that models this phase; reports values for this phase
doi:10.1016/j.calphad.2024.102700 F.-L. Chang, Y.-H. Lin, H.-T. Hung, C.R. Kao, Calphad, 85, 102700(2024).
assessment that models this phase
doi:10.1021/j150541a005 O. J. Kleppa, Heat of Formation of Solid and Liquid Binary Alloys of Copper with Cadmium, Indium, Tin and Antimony at 450°, J. Phys. Chem. 60, 852-858 (1956).
cited as the source of values for this phase

CU9IN4_D83 (Cu–In)

Id: phase:cu-in:cu9in4-d83; status needs_review
No structure assigned. Why: assessment_declared_blocked_by:site_ratios_contradict_D8_3; site_ratios_contradict_D8_3:CuIn-02Her.tdb
Candidate (dft_mp): P-1 (2) — on-hull MP In3Cu7 at x(IN)=0.3000
Candidate (dft_oqmd): P-1 (2) — on-hull OQMD Cu7 In3 at x(IN)=0.3000
Candidate (name_token): Al4Cu9 · D8_3 · cP52 · P-43m (215) — Strukturbericht/word 'D83' in the TDB name
Candidate (sgte_mmc2): Al4Cu9 · D8_3 · cP52 · P-43m (215) — Hallstedt 2025 mmc2 row for CU9IN4_D83: Cu9In4 (gamma)
Candidate (sgte_mmc2): Al4Cu9 · D8_3 · cP52 · P-43m (215) — Hallstedt 2025 mmc2 row for CU9IN4_D83: Cu9In4 (gamma) (= 17:3:6)
Candidate (tdb_comment): Al4Cu9 · cP52 · P-43m — CuIn-02Her.tdb: 'Prototype Al4Cu9 (cP52, P-43m), gamma-CuIn'
Candidate (tdb_comment): Al4Cu9 · cP52 · P-43m — CuIn-02Liu-LB.tdb: 'Prototype Al4Cu9 (cP52, P-43m), gamma-CuIn'
Candidate (tdb_comment): Al4Cu9 · cP52 · P-43m — CuIn-02Liu-orig.tdb: 'Prototype Al4Cu9 (cP52, P-43m), gamma-CuIn'
Stability: stable in 4 of 4 calculated diagram(s): 886.25–961.64 K, x(In) 0.27969–0.33886
Literature: 10 values (10 accepted) from 2 papers
Interactive: phase registry entry

Names (7): corpus: corpus:phase:cu-in:cu9in4-d83
paper: paper:10.1361/105497102770331163:γ, paper:10.1361/105497102770331352:γ
tdb: tdb:CuIn-02Her.tdb:CU9IN4_D83, tdb:CuIn-02Liu-LB.tdb:CU9IN4_D83, tdb:CuIn-02Liu-orig.tdb:CU9IN4_D83, tdb:CuIn-24Cha.tdb:CU9IN4_D83

TDB models of CU9IN4_D83 (4): PHASE and CONSTITUENT statements as written

CuIn-02Her.tdb: CU9IN4_D83, type code %, sha256 939f507801d25dfe…

50: PHASE CU9IN4_D83 % 2 3 1 !
51: CONST CU9IN4_D83 : CU IN : IN : !

CuIn-02Liu-LB.tdb: CU9IN4_D83, type code %, sha256 bfea037b638c1645…

63: PHASE CU9IN4_D83 % 3 0.654 0.115 0.231 !
64: CONST CU9IN4_D83 : CU : CU IN : IN : !

CuIn-02Liu-orig.tdb: CU9IN4_D83, type code %, sha256 d4b7857edb2a6ed4…

53: PHASE CU9IN4_D83 % 3 0.654 0.115 0.231 !
54: CONST CU9IN4_D83 : CU : CU IN : IN : !

CuIn-24Cha.tdb: CU9IN4_D83, type code %, sha256 afb9d98766f375ca…

50: PHASE CU9IN4_D83 % 3 0.654 0.115 0.231 !
51: CONST CU9IN4_D83 : CU : CU IN : IN : !

Example references (3 of 3; assessments first):

doi:10.1361/105497102770331352 H. S. Liu, Y. Cui, K. Ishida, X. J. Liu, C. P. Wang, I. Ohnuma et al., Thermodynamic assessment of the Cu-In binary system, JPE 23, 409-415 (2002).
assessment that models this phase; reports values for this phase
doi:10.1361/105497102770331163 Jean Hertz, Khadija Aissaoui, Lahcen Bouirden, A thermodynamic optimization of the Cu-In system, JPE 23, 473-479 (2002).
assessment that models this phase; reports values for this phase
doi:10.1016/j.calphad.2024.102700 F.-L. Chang, Y.-H. Lin, H.-T. Hung, C.R. Kao, Calphad, 85, 102700(2024).
assessment that models this phase

CUIN2 (Cu–In)

Id: phase:cu-in:cuin2; status needs_review
No structure assigned. Why: no_on_hull_entry_in_both; no_structure_token; sgte_mmc2_row_incomplete
Candidate (sgte_mmc2): (CuIn2) — Hallstedt 2025 mmc2 row for CUIN2: CuIn2
Stoichiometry: Cu 0.3330, In 0.6670
Stability: stable in 1 of 1 calculated diagram(s): 300–380.76 K, x(In) 0.667–0.667
Literature: 0 values (0 accepted) from 0 papers
Interactive: phase registry entry

Names (2): corpus: corpus:phase:cu-in:cuin2
tdb: tdb:CuIn-24Cha.tdb:CUIN2

TDB models of CUIN2 (1): PHASE and CONSTITUENT statements as written

CuIn-24Cha.tdb: CUIN2, type code %, sha256 afb9d98766f375ca…

76: PHASE CUIN2 % 2 0.333 0.667 !
77: CONST CUIN2 : CU : IN : !

Example references (1 of 1; assessments first):

doi:10.1016/j.calphad.2024.102700 F.-L. Chang, Y.-H. Lin, H.-T. Hung, C.R. Kao, Calphad, 85, 102700(2024).
assessment that models this phase

FCC_A1 (Cu–In)

Id: phase:cu-in: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 5 of 5 calculated diagram(s): 300–1359.77 K, x(In) 0–0.10397
Literature: 4 values (4 accepted) from 1 papers
Interactive: phase registry entry

Names (8): corpus: corpus:phase:cu-in:fcc-a1
paper: paper:10.1007/bf02652158:α
system_alias: system_alias:cu-in:alpha
tdb: tdb:CuIn-02Her.tdb:FCC_A1, tdb:CuIn-02Liu-LB.tdb:FCC_A1, tdb:CuIn-02Liu-orig.tdb:FCC_A1, tdb:CuIn-24Cha.tdb:FCC_A1, tdb:CuIn-93Kao.tdb:FCC_A1

TDB models of FCC_A1 (5): PHASE and CONSTITUENT statements as written

CuIn-02Her.tdb: FCC_A1, type code %A, sha256 939f507801d25dfe…

30: PHASE FCC_A1 %A 2 1 1 !
31: CONST FCC_A1 : CU% IN : VA : !

CuIn-02Liu-LB.tdb: FCC_A1, type code %A, sha256 bfea037b638c1645…

43: PHASE FCC_A1 %A 2 1 1 !
44: CONST FCC_A1 : CU% IN : VA : !

CuIn-02Liu-orig.tdb: FCC_A1, type code %A, sha256 d4b7857edb2a6ed4…

33: PHASE FCC_A1 %A 2 1 1 !
34: CONST FCC_A1 : CU% IN : VA : !

CuIn-24Cha.tdb: FCC_A1, type code %A, sha256 afb9d98766f375ca…

30: PHASE FCC_A1 %A 2 1 1 !
31: CONST FCC_A1 : CU% IN : VA : !

CuIn-93Kao.tdb: FCC_A1, type code %A, sha256 d051d27676496f92…

45: PHASE FCC_A1 %A 2 1 1 !
46: CONST FCC_A1 : CU% IN : VA : !

Example references (4 of 4; assessments first):

doi:10.1007/BF02652158 C.R. Kao, A. Bolcavage, S.-L. Chen, S.W. Chen, Y.A. Chang, A.D. Romig, J. Phase Equilib., 14, 22-30(1993).
assessment that models this phase; reports values for this phase
doi:10.1016/j.calphad.2024.102700 F.-L. Chang, Y.-H. Lin, H.-T. Hung, C.R. Kao, Calphad, 85, 102700(2024).
assessment that models this phase
doi:10.1361/105497102770331163 Jean Hertz, Khadija Aissaoui, Lahcen Bouirden, A thermodynamic optimization of the Cu-In system, JPE 23, 473-479 (2002).
assessment that models this phase
doi:10.1361/105497102770331352 H. S. Liu, Y. Cui, K. Ishida, X. J. Liu, C. P. Wang, I. Ohnuma et al., Thermodynamic assessment of the Cu-In binary system, JPE 23, 409-415 (2002).
assessment that models this phase

HCP_A3 (Cu–In)

Id: phase:cu-in: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 5 calculated diagram(s)
Literature: 0 values (0 accepted) from 0 papers
Interactive: phase registry entry

Names (6): corpus: corpus:phase:cu-in:hcp-a3
tdb: tdb:CuIn-02Her.tdb:HCP_A3, tdb:CuIn-02Liu-LB.tdb:HCP_A3, tdb:CuIn-02Liu-orig.tdb:HCP_A3, tdb:CuIn-24Cha.tdb:HCP_A3, tdb:CuIn-93Kao.tdb:HCP_A3

TDB models of HCP_A3 (5): PHASE and CONSTITUENT statements as written

CuIn-02Her.tdb: HCP_A3, type code %A, sha256 939f507801d25dfe…

40: PHASE HCP_A3 %A 2 1 0.5 !
41: CONST HCP_A3 : CU IN : VA : !

CuIn-02Liu-LB.tdb: HCP_A3, type code %A, sha256 bfea037b638c1645…

53: PHASE HCP_A3 %A 2 1 0.5 !
54: CONST HCP_A3 : CU IN : VA : !

CuIn-02Liu-orig.tdb: HCP_A3, type code %A, sha256 d4b7857edb2a6ed4…

43: PHASE HCP_A3 %A 2 1 0.5 !
44: CONST HCP_A3 : CU IN : VA : !

CuIn-24Cha.tdb: HCP_A3, type code %A, sha256 afb9d98766f375ca…

40: PHASE HCP_A3 %A 2 1 0.5 !
41: CONST HCP_A3 : CU IN : VA : !

CuIn-93Kao.tdb: HCP_A3, type code %A, sha256 d051d27676496f92…

55: PHASE HCP_A3 %A 2 1 0.5 !
56: CONST HCP_A3 : CU IN : VA : !

Example references (4 of 4; assessments first):

doi:10.1007/BF02652158 C.R. Kao, A. Bolcavage, S.-L. Chen, S.W. Chen, Y.A. Chang, A.D. Romig, J. Phase Equilib., 14, 22-30(1993).
assessment that models this phase
doi:10.1016/j.calphad.2024.102700 F.-L. Chang, Y.-H. Lin, H.-T. Hung, C.R. Kao, Calphad, 85, 102700(2024).
assessment that models this phase
doi:10.1361/105497102770331163 Jean Hertz, Khadija Aissaoui, Lahcen Bouirden, A thermodynamic optimization of the Cu-In system, JPE 23, 473-479 (2002).
assessment that models this phase
doi:10.1361/105497102770331352 H. S. Liu, Y. Cui, K. Ishida, X. J. Liu, C. P. Wang, I. Ohnuma et al., Thermodynamic assessment of the Cu-In binary system, JPE 23, 409-415 (2002).
assessment that models this phase

LIQUID (Cu–In)

Id: phase:cu-in:liquid; status assigned
Structure: liquid; type st:liquid; liquid; confidence high
Stability: stable in 5 of 5 calculated diagram(s): 425.92–2500 K, x(In) 0–1
Literature: 12 values (12 accepted) from 1 papers
Interactive: phase registry entry

Names (7): corpus: corpus:phase:cu-in:liquid
paper: paper:10.1007/bf02652158:L
tdb: tdb:CuIn-02Her.tdb:LIQUID, tdb:CuIn-02Liu-LB.tdb:LIQUID, tdb:CuIn-02Liu-orig.tdb:LIQUID, tdb:CuIn-24Cha.tdb:LIQUID, tdb:CuIn-93Kao.tdb:LIQUID

TDB models of LIQUID (5): PHASE and CONSTITUENT statements as written

CuIn-02Her.tdb: LIQUID, type code %, sha256 939f507801d25dfe…

25: PHASE LIQUID:L % 1 1 !
26: CONST LIQUID:L : CU IN : !

CuIn-02Liu-LB.tdb: LIQUID, type code %, sha256 bfea037b638c1645…

38: PHASE LIQUID:L % 1 1 !
39: CONST LIQUID:L : CU IN : !

CuIn-02Liu-orig.tdb: LIQUID, type code %, sha256 d4b7857edb2a6ed4…

28: PHASE LIQUID:L % 1 1 !
29: CONST LIQUID:L : CU IN : !

CuIn-24Cha.tdb: LIQUID, type code %, sha256 afb9d98766f375ca…

25: PHASE LIQUID:L % 1 1 !
26: CONST LIQUID:L : CU IN : !

CuIn-93Kao.tdb: LIQUID, type code %, sha256 d051d27676496f92…

40: PHASE LIQUID:L % 1 1 !
41: CONST LIQUID:L : CU IN : !

Example references (4 of 4; assessments first):

doi:10.1007/BF02652158 C.R. Kao, A. Bolcavage, S.-L. Chen, S.W. Chen, Y.A. Chang, A.D. Romig, J. Phase Equilib., 14, 22-30(1993).
assessment that models this phase; reports values for this phase
doi:10.1016/j.calphad.2024.102700 F.-L. Chang, Y.-H. Lin, H.-T. Hung, C.R. Kao, Calphad, 85, 102700(2024).
assessment that models this phase
doi:10.1361/105497102770331163 Jean Hertz, Khadija Aissaoui, Lahcen Bouirden, A thermodynamic optimization of the Cu-In system, JPE 23, 473-479 (2002).
assessment that models this phase
doi:10.1361/105497102770331352 H. S. Liu, Y. Cui, K. Ishida, X. J. Liu, C. P. Wang, I. Ohnuma et al., Thermodynamic assessment of the Cu-In binary system, JPE 23, 409-415 (2002).
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}
}