Ge–Ni phases

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

Phases of the Ge–Ni system (15)
Phase	Structure	Basis	Stability (calculated)	Literature values	TDB models
DIAMOND_A4 phase:ge-ni:a4-diamond	C (diamond) · A4 · cF8 · Fd-3m (227)	tier A: standard phase name	stable in 2 of 2 calculated diagram(s): 300–1211.4 K, x(Ni) 0–0	7	2
BCC_A2 phase:ge-ni:bcc-a2	W · A2 · cI2 · Im-3m (229)	tier A: standard phase name	not stable in 2 calculated diagram(s)	0	2
FCC_A1 phase:ge-ni:fcc-a1	Cu · A1 · cF4 · Fm-3m (225)	tier A: standard phase name	stable in 2 of 2 calculated diagram(s): 300–1728.25 K, x(Ni) 0.84055–1	5	3
L12_FCC phase:ge-ni:fcc-l12	AuCu3 · L1_2 · cP4 · Pm-3m (221)	tier A: standard phase name	stable in 1 of 1 calculated diagram(s): 300–1720 K, x(Ni) 0.74363–0.99	0	1
GE12NI19 phase:ge-ni:ge12ni19	Ge12Ni19 · mC62 · C2 (5)	tier C: assessor-stated (Hallstedt 2025 crystallographic table)	stable in 1 of 1 calculated diagram(s): 655.72–1325.25 K, x(Ni) 0.59855–0.61299	10	1
GE2NI3_B82 phase:ge-ni:ge2ni3-b82		needs_review	stable in 1 of 1 calculated diagram(s): 788.25–1264.81 K, x(Ni) 0.55934–0.59932	6	1
GE2NI5 phase:ge-ni:ge2ni5		needs_review	stable in 2 of 2 calculated diagram(s): 1250–1381.73 K, x(Ni) 0.72–0.72	25	2
GE3NI5_B82 phase:ge-ni:ge3ni5-b82	InNi2 · B8_2 · hP6 · P6_3/mmc (194)	tier A: standard phase name	stable in 2 of 2 calculated diagram(s): 561.48–1462.27 K, x(Ni) 0.55273–0.66094	38	2
GE3NI5_PRIME phase:ge-ni:ge3ni5-prime		needs_review	stable in 2 of 2 calculated diagram(s): 300–670.99 K, x(Ni) 0.625–0.63	13	2
GENI_B31 phase:ge-ni:geni-b31	MnP · B31 · oP8 · Pnma (62)	tier A: standard phase name	stable in 2 of 2 calculated diagram(s): 300–1130.08 K, x(Ni) 0.5–0.5	19	2
GENI2_C37 phase:ge-ni:geni2-c37		needs_review	stable in 2 of 2 calculated diagram(s): 300–780 K, x(Ni) 0.665–0.665	10	2
GENI3_B32 phase:ge-ni:geni3-b32		needs_review	stable in 2 of 2 calculated diagram(s): 1355.44–1391.28 K, x(Ni) 0.744–0.744	21	2
GENI3_L12 phase:ge-ni:geni3-l12	AuCu3 · L1_2 · cP4 · Pm-3m (221)	tier A: standard phase name	stable in 1 of 1 calculated diagram(s): 300–1398.91 K, x(Ni) 0.75–0.76702	0	1
HCP_A3 phase:ge-ni: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:ge-ni:liquid	liquid	liquid	stable in 2 of 2 calculated diagram(s): 1032.01–2500 K, x(Ni) 0–1	50	2

DIAMOND_A4 (Ge–Ni)

Id: phase:ge-ni: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: Ge 1.0000
Stability: stable in 2 of 2 calculated diagram(s): 300–1211.4 K, x(Ni) 0–0
Literature: 7 values (7 accepted) from 2 papers
Interactive: phase registry entry

Names (6): corpus: corpus:phase:ge-ni:a4-diamond, corpus:phase:ge-ni:diamond-a4
paper: paper:10.1016/j.calphad.2012.03.003:(Ge), paper:10.1016/j.jallcom.2009.11.036:Ge
tdb: tdb:GeNi-10Liu.tdb:DIAMOND_A4, tdb:GeNi-12Jin.tdb:DIAMOND_A4

TDB models of DIAMOND_A4 (2): PHASE and CONSTITUENT statements as written

GeNi-10Liu.tdb: DIAMOND_A4, type code %, sha256 a0dfa92b256d22a2…

45: PHASE DIAMOND_A4 % 1 1 !
46: CONST DIAMOND_A4 : GE : !

GeNi-12Jin.tdb: DIAMOND_A4, type code %, sha256 f6986d20b97522e6…

51: PHASE DIAMOND_A4 % 1 1 !
52: CONST DIAMOND_A4 : GE : !

Example references (3 of 3; assessments first):

doi:10.1016/j.calphad.2012.03.003 Shan Jin, Christian Leinenbach, Jiang Wang, Liliana I. Duarte, Simona Delsante, Gabriella Borzone et al., Thermodynamic study and re-assessment of the Ge-Ni system, Calphad 38, 23-34 (2012).
assessment that models this phase; reports values for this phase
doi:10.1016/j.jallcom.2009.11.036 Y.Q. Liu, D.J. Ma, Y. Du, Thermodynamic modeling of the germanium–nickel system, Journal of Alloys and Compounds 491, 63-71 (2010).
assessment that models this phase; cited as the source of values for this phase; reports values for this phase
doi:10.1016/0022-5088(80)90252-0 André Dayer, Pierre Feschotte, Les systèmes binaires cobalt-germanium et nickel-germanium: Étude comparée, Journal of the Less Common Metals 72, 51-70 (1980).
cited as the source of values for this phase

BCC_A2 (Ge–Ni)

Id: phase:ge-ni:bcc-a2; status assigned
Structure: W · A2 · cI2 · Im-3m (229); type st:a2-w-ci2; 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

Names (3): corpus: corpus:phase:ge-ni:bcc-a2
tdb: tdb:GeNi-10Liu.tdb:BCC_A2, tdb:GeNi-12Jin.tdb:BCC_A2

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

GeNi-10Liu.tdb: BCC_A2, type code %B, sha256 a0dfa92b256d22a2…

35: PHASE BCC_A2 %B 2 1 3 !
36: CONST BCC_A2 : GE NI : VA : !

GeNi-12Jin.tdb: BCC_A2, type code %B, sha256 f6986d20b97522e6…

41: PHASE BCC_A2 %B 2 1 3 !
42: CONST BCC_A2 : GE NI : VA : !

Example references (2 of 2; assessments first):

doi:10.1016/j.calphad.2012.03.003 Shan Jin, Christian Leinenbach, Jiang Wang, Liliana I. Duarte, Simona Delsante, Gabriella Borzone et al., Thermodynamic study and re-assessment of the Ge-Ni system, Calphad 38, 23-34 (2012).
assessment that models this phase
doi:10.1016/j.jallcom.2009.11.036 Y.Q. Liu, D.J. Ma, Y. Du, Thermodynamic modeling of the germanium–nickel system, Journal of Alloys and Compounds 491, 63-71 (2010).
assessment that models this phase

FCC_A1 (Ge–Ni)

Id: phase:ge-ni: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): 300–1728.25 K, x(Ni) 0.84055–1
Literature: 5 values (5 accepted) from 2 papers
Interactive: phase registry entry

Names (6): corpus: corpus:phase:ge-ni:fcc-a1
paper: paper:10.1016/j.calphad.2012.03.003:(Ni), paper:10.1016/j.jallcom.2009.11.036:(Ni)
tdb: tdb:GeNi-10Liu.tdb:FCC_A1, tdb:GeNi-12Jin.tdb:A1_FCC, tdb:GeNi-12Jin.tdb:FCC_A1

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

GeNi-10Liu.tdb: FCC_A1, type code %A, sha256 a0dfa92b256d22a2…

30: PHASE FCC_A1 %A 2 1 1 !
31: CONST FCC_A1 : GE NI% : VA : !

GeNi-12Jin.tdb: A1_FCC, type code %A, sha256 f6986d20b97522e6…

31: PHASE A1_FCC %A 2 1 1 !
32: CONST A1_FCC : GE NI : VA : !

GeNi-12Jin.tdb: FCC_A1, type code %A, sha256 f6986d20b97522e6…

26: PHASE FCC_A1 %A 2 1 1 !
27: CONST FCC_A1 : GE NI% : VA : !

Example references (3 of 3; assessments first):

doi:10.1016/j.calphad.2012.03.003 Shan Jin, Christian Leinenbach, Jiang Wang, Liliana I. Duarte, Simona Delsante, Gabriella Borzone et al., Thermodynamic study and re-assessment of the Ge-Ni system, Calphad 38, 23-34 (2012).
assessment that models this phase; reports values for this phase
doi:10.1016/j.jallcom.2009.11.036 Y.Q. Liu, D.J. Ma, Y. Du, Thermodynamic modeling of the germanium–nickel system, Journal of Alloys and Compounds 491, 63-71 (2010).
assessment that models this phase; cited as the source of values for this phase; reports values for this phase
doi:10.1016/0022-5088(80)90252-0 André Dayer, Pierre Feschotte, Les systèmes binaires cobalt-germanium et nickel-germanium: Étude comparée, Journal of the Less Common Metals 72, 51-70 (1980).
cited as the source of values for this phase

L12_FCC (Ge–Ni)

Id: phase:ge-ni:fcc-l12; status assigned
Structure: AuCu3 · L1_2 · cP4 · Pm-3m (221); type st:l1-2-aucu3-cp4; tier A: standard phase name; confidence high
Caveat: GeNi-12Jin.tdb: ordered phase with disordered part A1_FCC (order/disorder model)
Caveat: partitioned order/disorder model in GeNi-12Jin.tdb also describes the disordered state
Stability: stable in 1 of 1 calculated diagram(s): 300–1720 K, x(Ni) 0.74363–0.99
Literature: 0 values (0 accepted) from 0 papers
Interactive: phase registry entry

Names (2): corpus: corpus:phase:ge-ni:fcc-l12
tdb: tdb:GeNi-12Jin.tdb:L12_FCC

TDB models of L12_FCC (1): PHASE and CONSTITUENT statements as written

GeNi-12Jin.tdb: L12_FCC, type code %AY, sha256 f6986d20b97522e6…

36: PHASE L12_FCC %AY 3 0.75 0.25 1 !
37: CONST L12_FCC : GE NI% : GE% NI : VA : !

Example references (1 of 1; assessments first):

doi:10.1016/j.calphad.2012.03.003 Shan Jin, Christian Leinenbach, Jiang Wang, Liliana I. Duarte, Simona Delsante, Gabriella Borzone et al., Thermodynamic study and re-assessment of the Ge-Ni system, Calphad 38, 23-34 (2012).
assessment that models this phase

GE12NI19 (Ge–Ni)

Id: phase:ge-ni:ge12ni19; status assigned
Structure: Ge12Ni19 · mC62 · C2 (5); type st:ge12ni19-mc62; 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_structure_token, off_stoichiometric_model); structure as stated in the SGTE crystallographic table for this phase name and system
Stability: stable in 1 of 1 calculated diagram(s): 655.72–1325.25 K, x(Ni) 0.59855–0.61299
Literature: 10 values (10 accepted) from 1 papers
Interactive: phase registry entry

Names (3): corpus: corpus:phase:ge-ni:ge12ni19
paper: paper:10.1016/j.jallcom.2009.11.036:Ni19Ge12
tdb: tdb:GeNi-10Liu.tdb:GE12NI19

TDB models of GE12NI19 (1): PHASE and CONSTITUENT statements as written

GeNi-10Liu.tdb: GE12NI19, type code %, sha256 a0dfa92b256d22a2…

61: PHASE GE12NI19 % 2 0.387 0.613 !
62: CONST GE12NI19 : GE% NI : GE NI% : !

Example references (2 of 2; assessments first):

doi:10.1016/j.jallcom.2009.11.036 Y.Q. Liu, D.J. Ma, Y. Du, Thermodynamic modeling of the germanium–nickel system, Journal of Alloys and Compounds 491, 63-71 (2010).
assessment that models this phase; reports values for this phase
doi:10.1016/0022-5088(71)90164-0 M. Ellner, T. Gödecke, K. Schubert, Zur struktur der mischung Nickel-Germanium, Journal of the Less Common Metals 24, 23-40 (1971).
cited as the source of values for this phase

GE2NI3_B82 (Ge–Ni)

Id: phase:ge-ni:ge2ni3-b82; status needs_review
No structure assigned. Why: assessment_declared_blocked_by:site_ratios_contradict_B8_2; site_ratios_contradict_B8_2:GeNi-10Liu.tdb
Candidate (literature_printed): InNi2 · hP6 — printed with a label mapped to this phase
Candidate (name_token): InNi2 · B8_2 · hP6 · P6_3/mmc (194) — Strukturbericht/word 'B82' in the TDB name
Candidate (sgte_mmc2): InNi2 · B8_2 · hP6 · P6_3/mmc (194) — Hallstedt 2025 mmc2 row for GE2NI3_B82: Ge2Ni3
Candidate (tdb_comment): InNi2 · hp6 · P6_3/mmc — GeNi-10Liu.tdb: 'Prototype InNi2 (hp6, P6_3/mmc); according to Pauling file'
Stability: stable in 1 of 1 calculated diagram(s): 788.25–1264.81 K, x(Ni) 0.55934–0.59932
Literature: 6 values (6 accepted) from 1 papers
Interactive: phase registry entry

Names (3): corpus: corpus:phase:ge-ni:ge2ni3-b82
paper: paper:10.1016/j.jallcom.2009.11.036:Ni3Ge2
tdb: tdb:GeNi-10Liu.tdb:GE2NI3_B82

TDB models of GE2NI3_B82 (1): PHASE and CONSTITUENT statements as written

GeNi-10Liu.tdb: GE2NI3_B82, type code %, sha256 a0dfa92b256d22a2…

56: PHASE GE2NI3_B82 % 2 0.4 0.6 !
57: CONST GE2NI3_B82 : GE : GE NI% : !

Example references (3 of 3; assessments first):

doi:10.1016/j.jallcom.2009.11.036 Y.Q. Liu, D.J. Ma, Y. Du, Thermodynamic modeling of the germanium–nickel system, Journal of Alloys and Compounds 491, 63-71 (2010).
assessment that models this phase; reports values for this phase
doi:10.1016/0022-5088(71)90164-0 M. Ellner, T. Gödecke, K. Schubert, Zur struktur der mischung Nickel-Germanium, Journal of the Less Common Metals 24, 23-40 (1971).
cited as the source of values for this phase
doi:10.1016/0022-5088(80)90252-0 André Dayer, Pierre Feschotte, Les systèmes binaires cobalt-germanium et nickel-germanium: Étude comparée, Journal of the Less Common Metals 72, 51-70 (1980).
cited as the source of values for this phase

GE2NI5 (Ge–Ni)

Id: phase:ge-ni:ge2ni5; status needs_review
No structure assigned. Why: assessment_declared_compound_differs_from_model_composition; no_on_hull_entry_in_both; no_structure_token
Candidate (literature_printed): Pd5Sb2 · hP42 — printed with a label mapped to this phase
Candidate (sgte_mmc2): Pd5Sb2 · hP42 · P6_3cm (185) — Hallstedt 2025 mmc2 row for GE2NI5: Ge2Ni5 (delta)
Candidate (tdb_comment): Pd5Sb2 · hP42 · P6_3cm — GeNi-10Liu.tdb: 'Prototype Pd5Sb2 (hP42, P6_3cm), also delta'
Candidate (tdb_comment): Pd5Sb2 · hP42 · P6_3cm — GeNi-12Jin.tdb: 'Prototype Pd5Sb2 (hP42, P6_3cm), also delta'
Stoichiometry: Ge 0.2800, Ni 0.7200
Stability: stable in 2 of 2 calculated diagram(s): 1250–1381.73 K, x(Ni) 0.72–0.72
Literature: 25 values (25 accepted) from 2 papers
Interactive: phase registry entry

Names (5): corpus: corpus:phase:ge-ni:ge2ni5
paper: paper:10.1016/j.calphad.2012.03.003:δNi5Ge2, paper:10.1016/j.jallcom.2009.11.036:δNi5Ge2
tdb: tdb:GeNi-10Liu.tdb:GE2NI5, tdb:GeNi-12Jin.tdb:GE2NI5

TDB models of GE2NI5 (2): PHASE and CONSTITUENT statements as written

GeNi-10Liu.tdb: GE2NI5, type code %, sha256 a0dfa92b256d22a2…

82: PHASE GE2NI5 % 2 0.28 0.72 !
83: CONST GE2NI5 : GE : NI : !

GeNi-12Jin.tdb: GE2NI5, type code %, sha256 f6986d20b97522e6…

77: PHASE GE2NI5 % 2 0.28 0.72 !
78: CONST GE2NI5 : GE : NI : !

Example references (4 of 4; assessments first):

doi:10.1016/j.calphad.2012.03.003 Shan Jin, Christian Leinenbach, Jiang Wang, Liliana I. Duarte, Simona Delsante, Gabriella Borzone et al., Thermodynamic study and re-assessment of the Ge-Ni system, Calphad 38, 23-34 (2012).
assessment that models this phase; reports values for this phase
doi:10.1016/j.jallcom.2009.11.036 Y.Q. Liu, D.J. Ma, Y. Du, Thermodynamic modeling of the germanium–nickel system, Journal of Alloys and Compounds 491, 63-71 (2010).
assessment that models this phase; cited as the source of values for this phase; reports values for this phase
doi:10.1016/0022-5088(80)90252-0 André Dayer, Pierre Feschotte, Les systèmes binaires cobalt-germanium et nickel-germanium: Étude comparée, Journal of the Less Common Metals 72, 51-70 (1980).
cited as the source of values for this phase
doi:10.1016/0022-5088(71)90164-0 M. Ellner, T. Gödecke, K. Schubert, Zur struktur der mischung Nickel-Germanium, Journal of the Less Common Metals 24, 23-40 (1971).
cited as the source of values for this phase

GE3NI5_B82 (Ge–Ni)

Id: phase:ge-ni:ge3ni5-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 GeNi-10Liu.tdb also describes the disordered state
Stability: stable in 2 of 2 calculated diagram(s): 561.48–1462.27 K, x(Ni) 0.55273–0.66094
Literature: 38 values (38 accepted) from 2 papers
Interactive: phase registry entry

Names (6): corpus: corpus:phase:ge-ni:ge3ni5-b82
paper: paper:10.1016/j.calphad.2012.03.003:Ni5Ge3, paper:10.1016/j.calphad.2012.03.003:εNi5Ge3, paper:10.1016/j.jallcom.2009.11.036:εNi5Ge3
tdb: tdb:GeNi-10Liu.tdb:GE3NI5_B82, tdb:GeNi-12Jin.tdb:GE3NI5_B82

TDB models of GE3NI5_B82 (2): PHASE and CONSTITUENT statements as written

GeNi-10Liu.tdb: GE3NI5_B82, type code %, sha256 a0dfa92b256d22a2…

67: PHASE GE3NI5_B82 % 2 0.375 0.625 !
68: CONST GE3NI5_B82 : GE% NI : GE NI% : !

GeNi-12Jin.tdb: GE3NI5_B82, type code %, sha256 f6986d20b97522e6…

62: PHASE GE3NI5_B82 % 3 1 1 1 !
63: CONST GE3NI5_B82 : GE : NI : NI VA : !

Example references (4 of 4; assessments first):

doi:10.1016/j.calphad.2012.03.003 Shan Jin, Christian Leinenbach, Jiang Wang, Liliana I. Duarte, Simona Delsante, Gabriella Borzone et al., Thermodynamic study and re-assessment of the Ge-Ni system, Calphad 38, 23-34 (2012).
assessment that models this phase; reports values for this phase
doi:10.1016/j.jallcom.2009.11.036 Y.Q. Liu, D.J. Ma, Y. Du, Thermodynamic modeling of the germanium–nickel system, Journal of Alloys and Compounds 491, 63-71 (2010).
assessment that models this phase; cited as the source of values for this phase; reports values for this phase
doi:10.1016/0022-5088(71)90164-0 M. Ellner, T. Gödecke, K. Schubert, Zur struktur der mischung Nickel-Germanium, Journal of the Less Common Metals 24, 23-40 (1971).
cited as the source of values for this phase
doi:10.1016/0022-5088(80)90252-0 André Dayer, Pierre Feschotte, Les systèmes binaires cobalt-germanium et nickel-germanium: Étude comparée, Journal of the Less Common Metals 72, 51-70 (1980).
cited as the source of values for this phase

GE3NI5_PRIME (Ge–Ni)

Id: phase:ge-ni:ge3ni5-prime; status needs_review
No structure assigned. Why: assessment_declared_blocked_by:models_disagree_on_composition; models_disagree_on_composition; name_has_descriptive_tokens:PRIME; no_structure_token
Candidate (dft_mp): C2/c (15) — on-hull MP Ni5Ge3 at x(NI)=0.6250
Candidate (dft_oqmd): C2 (5) — on-hull OQMD Ge3 Ni5 at x(NI)=0.6250
Candidate (literature_printed): Ge3Ni5 · mC32 — printed with a label mapped to this phase
Candidate (sgte_mmc2): Ge3Ni5 · mC32 · C2 (5) — Hallstedt 2025 mmc2 row for GE3NI5_PRIME: Ge3Ni5 (epsilon-prime)
Candidate (tdb_comment): Ge3Ni5 · mC32 · C2 — GeNi-10Liu.tdb: 'Prototype Ge3Ni5 (mC32, C2), also epsilon-prime'
Candidate (tdb_comment): Ge3Ni5 · mC32 · C2 — GeNi-12Jin.tdb: 'Prototype Ge3Ni5 (mC32, C2), also epsilon-prime'
Stability: stable in 2 of 2 calculated diagram(s): 300–670.99 K, x(Ni) 0.625–0.63
Literature: 13 values (13 accepted) from 2 papers
Interactive: phase registry entry

Names (5): corpus: corpus:phase:ge-ni:ge3ni5-prime
paper: paper:10.1016/j.calphad.2012.03.003:ε′Ni5Ge3, paper:10.1016/j.jallcom.2009.11.036:ε'Ni5Ge3
tdb: tdb:GeNi-10Liu.tdb:GE3NI5_PRIME, tdb:GeNi-12Jin.tdb:GE3NI5_PRIME

TDB models of GE3NI5_PRIME (2): PHASE and CONSTITUENT statements as written

GeNi-10Liu.tdb: GE3NI5_PRIME, type code %, sha256 a0dfa92b256d22a2…

72: PHASE GE3NI5_PRIME % 2 0.37 0.63 !
73: CONST GE3NI5_PRIME : GE : NI : !

GeNi-12Jin.tdb: GE3NI5_PRIME, type code %, sha256 f6986d20b97522e6…

67: PHASE GE3NI5_PRIME % 2 0.375 0.625 !
68: CONST GE3NI5_PRIME : GE : NI : !

Example references (3 of 3; assessments first):

doi:10.1016/j.calphad.2012.03.003 Shan Jin, Christian Leinenbach, Jiang Wang, Liliana I. Duarte, Simona Delsante, Gabriella Borzone et al., Thermodynamic study and re-assessment of the Ge-Ni system, Calphad 38, 23-34 (2012).
assessment that models this phase; reports values for this phase
doi:10.1016/j.jallcom.2009.11.036 Y.Q. Liu, D.J. Ma, Y. Du, Thermodynamic modeling of the germanium–nickel system, Journal of Alloys and Compounds 491, 63-71 (2010).
assessment that models this phase; cited as the source of values for this phase; reports values for this phase
doi:10.1016/0022-5088(71)90164-0 M. Ellner, T. Gödecke, K. Schubert, Zur struktur der mischung Nickel-Germanium, Journal of the Less Common Metals 24, 23-40 (1971).
cited as the source of values for this phase

GENI_B31 (Ge–Ni)

Id: phase:ge-ni:geni-b31; status assigned
Structure: MnP · B31 · oP8 · Pnma (62); type st:b31-mnp-op8; tier A: standard phase name; confidence high
Caveat: DFT agrees: on-hull mp-aaaaabqh and oqmd-646855, space group 62
Stoichiometry: Ge 0.5000, Ni 0.5000
Stability: stable in 2 of 2 calculated diagram(s): 300–1130.08 K, x(Ni) 0.5–0.5
Literature: 19 values (19 accepted) from 2 papers
Interactive: phase registry entry

Names (7): corpus: corpus:phase:ge-ni:geni-b31
mp: mp:mp-aaaaabqh
oqmd: oqmd:oqmd-646855
paper: paper:10.1016/j.calphad.2012.03.003:NiGe, paper:10.1016/j.jallcom.2009.11.036:NiGe
tdb: tdb:GeNi-10Liu.tdb:GENI_B31, tdb:GeNi-12Jin.tdb:GENI_B31

TDB models of GENI_B31 (2): PHASE and CONSTITUENT statements as written

GeNi-10Liu.tdb: GENI_B31, type code %, sha256 a0dfa92b256d22a2…

50: PHASE GENI_B31 % 2 0.5 0.5 !
51: CONST GENI_B31 : GE : NI : !

GeNi-12Jin.tdb: GENI_B31, type code %, sha256 f6986d20b97522e6…

56: PHASE GENI_B31 % 2 0.5 0.5 !
57: CONST GENI_B31 : GE : NI : !

Example references (4 of 4; assessments first):

doi:10.1016/j.jallcom.2009.11.036 Y.Q. Liu, D.J. Ma, Y. Du, Thermodynamic modeling of the germanium–nickel system, Journal of Alloys and Compounds 491, 63-71 (2010).
assessment that models this phase; cited as the source of values for this phase; reports values for this phase
doi:10.1016/j.calphad.2012.03.003 Shan Jin, Christian Leinenbach, Jiang Wang, Liliana I. Duarte, Simona Delsante, Gabriella Borzone et al., Thermodynamic study and re-assessment of the Ge-Ni system, Calphad 38, 23-34 (2012).
assessment that models this phase; reports values for this phase
doi:10.1016/0022-5088(80)90252-0 André Dayer, Pierre Feschotte, Les systèmes binaires cobalt-germanium et nickel-germanium: Étude comparée, Journal of the Less Common Metals 72, 51-70 (1980).
cited as the source of values for this phase
doi:10.1016/0022-5088(71)90164-0 M. Ellner, T. Gödecke, K. Schubert, Zur struktur der mischung Nickel-Germanium, Journal of the Less Common Metals 24, 23-40 (1971).
cited as the source of values for this phase

GENI2_C37 (Ge–Ni)

Id: phase:ge-ni:geni2-c37; status needs_review
No structure assigned. Why: assessment_declared_blocked_by:stoichiometry_contradicts_C37; stoichiometry_contradicts_C37:GeNi-10Liu.tdb; stoichiometry_contradicts_C37:GeNi-12Jin.tdb
Candidate (literature_printed): Co2Si · oP12 — printed with a label mapped to this phase
Candidate (name_token): Co2Si · C37 · oP12 · Pnma (62) — Strukturbericht/word 'C37' in the TDB name
Candidate (sgte_mmc2): Co2Si · C37 · oP12 · Pnma (62) — Hallstedt 2025 mmc2 row for GENI2_C37: GeNi2
Candidate (tdb_comment): Co2Si · oP12 · Pnma — GeNi-10Liu.tdb: 'Prototype Co2Si (oP12, Pnma)'
Candidate (tdb_comment): Co2Si · oP12 · Pnma — GeNi-12Jin.tdb: 'Prototype Co2Si (oP12, Pnma)'
Stoichiometry: Ge 0.3350, Ni 0.6650
Stability: stable in 2 of 2 calculated diagram(s): 300–780 K, x(Ni) 0.665–0.665
Literature: 10 values (10 accepted) from 2 papers
Interactive: phase registry entry

Names (5): corpus: corpus:phase:ge-ni:geni2-c37
paper: paper:10.1016/j.calphad.2012.03.003:Ni2Ge, paper:10.1016/j.jallcom.2009.11.036:Ni2Ge
tdb: tdb:GeNi-10Liu.tdb:GENI2_C37, tdb:GeNi-12Jin.tdb:GENI2_C37

TDB models of GENI2_C37 (2): PHASE and CONSTITUENT statements as written

GeNi-10Liu.tdb: GENI2_C37, type code %, sha256 a0dfa92b256d22a2…

77: PHASE GENI2_C37 % 2 0.335 0.665 !
78: CONST GENI2_C37 : GE : NI : !

GeNi-12Jin.tdb: GENI2_C37, type code %, sha256 f6986d20b97522e6…

72: PHASE GENI2_C37 % 2 0.335 0.665 !
73: CONST GENI2_C37 : GE : NI : !

Example references (3 of 3; assessments first):

doi:10.1016/j.calphad.2012.03.003 Shan Jin, Christian Leinenbach, Jiang Wang, Liliana I. Duarte, Simona Delsante, Gabriella Borzone et al., Thermodynamic study and re-assessment of the Ge-Ni system, Calphad 38, 23-34 (2012).
assessment that models this phase; reports values for this phase
doi:10.1016/j.jallcom.2009.11.036 Y.Q. Liu, D.J. Ma, Y. Du, Thermodynamic modeling of the germanium–nickel system, Journal of Alloys and Compounds 491, 63-71 (2010).
assessment that models this phase; cited as the source of values for this phase; reports values for this phase
doi:10.1016/0022-5088(71)90164-0 M. Ellner, T. Gödecke, K. Schubert, Zur struktur der mischung Nickel-Germanium, Journal of the Less Common Metals 24, 23-40 (1971).
cited as the source of values for this phase

GENI3_B32 (Ge–Ni)

Id: phase:ge-ni:geni3-b32; status needs_review
No structure assigned. Why: stoichiometry_contradicts_B32:GeNi-10Liu.tdb; stoichiometry_contradicts_B32:GeNi-12Jin.tdb
Candidate (name_token): NaTl · B32 · cF16 · Fd-3m (227) — Strukturbericht/word 'B32' in the TDB name
Candidate (sgte_mmc2): NaTl · B32 · cF16 · Fd-3m (227) — Hallstedt 2025 mmc2 row for GENI3_B32: GeNi3-gamma
Candidate (tdb_comment): NaTl · cF16 · Fd-3m — GeNi-10Liu.tdb: 'Prototype NaTl (cF16, Fd-3m), also gamma'
Candidate (tdb_comment): NaTl · cF16 · Fd-3m — GeNi-12Jin.tdb: 'Prototype NaTl (cF16, Fd-3m), also gamma'
Stoichiometry: Ge 0.2560, Ni 0.7440
Stability: stable in 2 of 2 calculated diagram(s): 1355.44–1391.28 K, x(Ni) 0.744–0.744
Literature: 21 values (21 accepted) from 2 papers
Interactive: phase registry entry

Names (5): corpus: corpus:phase:ge-ni:geni3-b32
paper: paper:10.1016/j.calphad.2012.03.003:γNi3Ge, paper:10.1016/j.jallcom.2009.11.036:γNi3Ge
tdb: tdb:GeNi-10Liu.tdb:GENI3_B32, tdb:GeNi-12Jin.tdb:GENI3_B32

TDB models of GENI3_B32 (2): PHASE and CONSTITUENT statements as written

GeNi-10Liu.tdb: GENI3_B32, type code %, sha256 a0dfa92b256d22a2…

87: PHASE GENI3_B32 % 2 0.256 0.744 !
88: CONST GENI3_B32 : GE : NI : !

GeNi-12Jin.tdb: GENI3_B32, type code %, sha256 f6986d20b97522e6…

82: PHASE GENI3_B32 % 2 0.256 0.744 !
83: CONST GENI3_B32 : GE : NI : !

Example references (4 of 4; assessments first):

doi:10.1016/j.calphad.2012.03.003 Shan Jin, Christian Leinenbach, Jiang Wang, Liliana I. Duarte, Simona Delsante, Gabriella Borzone et al., Thermodynamic study and re-assessment of the Ge-Ni system, Calphad 38, 23-34 (2012).
assessment that models this phase; reports values for this phase
doi:10.1016/j.jallcom.2009.11.036 Y.Q. Liu, D.J. Ma, Y. Du, Thermodynamic modeling of the germanium–nickel system, Journal of Alloys and Compounds 491, 63-71 (2010).
assessment that models this phase; cited as the source of values for this phase; reports values for this phase
doi:10.1016/0022-5088(80)90252-0 André Dayer, Pierre Feschotte, Les systèmes binaires cobalt-germanium et nickel-germanium: Étude comparée, Journal of the Less Common Metals 72, 51-70 (1980).
cited as the source of values for this phase
doi:10.1016/0022-5088(71)90164-0 M. Ellner, T. Gödecke, K. Schubert, Zur struktur der mischung Nickel-Germanium, Journal of the Less Common Metals 24, 23-40 (1971).
cited as the source of values for this phase

GENI3_L12 (Ge–Ni)

Id: phase:ge-ni:geni3-l12; status assigned
Structure: AuCu3 · L1_2 · cP4 · Pm-3m (221); type st:l1-2-aucu3-cp4; tier A: standard phase name; confidence high
Stability: stable in 1 of 1 calculated diagram(s): 300–1398.91 K, x(Ni) 0.75–0.76702
Literature: 0 values (0 accepted) from 0 papers
Interactive: phase registry entry

Names (2): corpus: corpus:phase:ge-ni:geni3-l12
tdb: tdb:GeNi-10Liu.tdb:GENI3_L12

TDB models of GENI3_L12 (1): PHASE and CONSTITUENT statements as written

GeNi-10Liu.tdb: GENI3_L12, type code %, sha256 a0dfa92b256d22a2…

92: PHASE GENI3_L12 % 2 0.25 0.75 !
93: CONST GENI3_L12 : GE% NI : NI : !

Example references (1 of 1; assessments first):

doi:10.1016/j.jallcom.2009.11.036 Y.Q. Liu, D.J. Ma, Y. Du, Thermodynamic modeling of the germanium–nickel system, Journal of Alloys and Compounds 491, 63-71 (2010).
assessment that models this phase

HCP_A3 (Ge–Ni)

Id: phase:ge-ni: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

Names (3): corpus: corpus:phase:ge-ni:hcp-a3
tdb: tdb:GeNi-10Liu.tdb:HCP_A3, tdb:GeNi-12Jin.tdb:HCP_A3

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

GeNi-10Liu.tdb: HCP_A3, type code %A, sha256 a0dfa92b256d22a2…

40: PHASE HCP_A3 %A 2 1 0.5 !
41: CONST HCP_A3 : GE NI : VA : !

GeNi-12Jin.tdb: HCP_A3, type code %A, sha256 f6986d20b97522e6…

46: PHASE HCP_A3 %A 2 1 0.5 !
47: CONST HCP_A3 : GE NI : VA : !

Example references (2 of 2; assessments first):

doi:10.1016/j.calphad.2012.03.003 Shan Jin, Christian Leinenbach, Jiang Wang, Liliana I. Duarte, Simona Delsante, Gabriella Borzone et al., Thermodynamic study and re-assessment of the Ge-Ni system, Calphad 38, 23-34 (2012).
assessment that models this phase
doi:10.1016/j.jallcom.2009.11.036 Y.Q. Liu, D.J. Ma, Y. Du, Thermodynamic modeling of the germanium–nickel system, Journal of Alloys and Compounds 491, 63-71 (2010).
assessment that models this phase

LIQUID (Ge–Ni)

Id: phase:ge-ni:liquid; status assigned
Structure: liquid; type st:liquid; liquid; confidence high
Stability: stable in 2 of 2 calculated diagram(s): 1032.01–2500 K, x(Ni) 0–1
Literature: 50 values (49 accepted) from 2 papers
Interactive: phase registry entry

Names (8): corpus: corpus:phase:ge-ni:liquid
paper: paper:10.1016/j.calphad.2012.03.003:L, paper:10.1016/j.calphad.2012.03.003:Liquid, paper:10.1016/j.calphad.2012.03.003:liquid, paper:10.1016/j.jallcom.2009.11.036:L, paper:10.1016/j.jallcom.2009.11.036:liquid
tdb: tdb:GeNi-10Liu.tdb:LIQUID, tdb:GeNi-12Jin.tdb:LIQUID

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

GeNi-10Liu.tdb: LIQUID, type code %, sha256 a0dfa92b256d22a2…

25: PHASE LIQUID:L % 1 1 !
26: CONST LIQUID:L : GE NI : !

GeNi-12Jin.tdb: LIQUID, type code %, sha256 f6986d20b97522e6…

21: PHASE LIQUID:L % 1 1 !
22: CONST LIQUID:L : GE NI : !

Example references (5 of 5; assessments first):

doi:10.1016/j.calphad.2012.03.003 Shan Jin, Christian Leinenbach, Jiang Wang, Liliana I. Duarte, Simona Delsante, Gabriella Borzone et al., Thermodynamic study and re-assessment of the Ge-Ni system, Calphad 38, 23-34 (2012).
assessment that models this phase; reports values for this phase
doi:10.1016/j.jallcom.2009.11.036 Y.Q. Liu, D.J. Ma, Y. Du, Thermodynamic modeling of the germanium–nickel system, Journal of Alloys and Compounds 491, 63-71 (2010).
assessment that models this phase; cited as the source of values for this phase; reports values for this phase
doi:10.1016/0022-5088(80)90252-0 André Dayer, Pierre Feschotte, Les systèmes binaires cobalt-germanium et nickel-germanium: Étude comparée, Journal of the Less Common Metals 72, 51-70 (1980).
cited as the source of values for this phase
doi:10.1016/0022-5088(71)90164-0 M. Ellner, T. Gödecke, K. Schubert, Zur struktur der mischung Nickel-Germanium, Journal of the Less Common Metals 24, 23-40 (1971).
cited as the source of values for this phase
doi:10.1016/0022-5088(84)90380-1 R. Castanet, Limiting partial enthalpies of solution of 3d transition metals in liquid germanium, Journal of the Less Common Metals 103, L1-L3 (1984).
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). 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}
}