Ga–Mg phases

10 phases (tier A 5, tier B 2, tier C 2, liquid 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 · Ga–Mg system page · Markdown · field reference

Phases of the Ga–Mg system (10)
Phase	Structure	Basis	Stability (calculated)	Literature values	TDB models
ORTHORHOMBIC_A11 phase:ga-mg:a11-orthorhombic	alpha-Ga · A11 · oC8 · Cmce (64)	tier A: standard phase name	stable in 4 of 4 calculated diagram(s): 300–302.91 K, x(Mg) 0–0	9	4
BCC_A2 phase:ga-mg:bcc-a2	W · A2 · cI2 · Im-3m (229)	tier A: standard phase name	not stable in 4 calculated diagram(s)	0	4
FCC_A1 phase:ga-mg:fcc-a1	Cu · A1 · cF4 · Fm-3m (225)	tier A: standard phase name	not stable in 4 calculated diagram(s)	0	4
GA2MG phase:ga-mg:ga2mg	Ga2Mg · oP24 · Pbam (55)	tier C: assessor-stated (Hallstedt 2025 crystallographic table)	stable in 4 of 4 calculated diagram(s): 300–566.74 K, x(Mg) 0.33333–0.33333	25	4
GA2MG5_D8G phase:ga-mg:ga2mg5-d8g	Ga2Mg5 · D8_g · oI28 · Ibam (72)	tier A: standard phase name	stable in 4 of 4 calculated diagram(s): 300–745.74 K, x(Mg) 0.71429–0.71429	37	4
GA5MG2 phase:ga-mg:ga5mg2	Ga5Mg2 · tI28 · I4/mmm (139)	tier B: DFT-supported (unique MP + OQMD match)	stable in 4 of 4 calculated diagram(s): 300–475.78 K, x(Mg) 0.28571–0.28571	20	4
GAMG phase:ga-mg:gamg	GaMg · tI32 · I4_1/a (88)	tier C: assessor-stated (Hallstedt 2025 crystallographic table)	stable in 4 of 4 calculated diagram(s): 300–660.55 K, x(Mg) 0.5–0.5	37	4
GAMG2 phase:ga-mg:gamg2	GaMg2 · hP18 · P-62c (190)	tier B: DFT-supported (unique MP + OQMD match)	stable in 4 of 4 calculated diagram(s): 300–727.84 K, x(Mg) 0.66667–0.66667	22	4
HCP_A3 phase:ga-mg:hcp-a3	Mg · A3 · hP2 · P6_3/mmc (194)	tier A: standard phase name	stable in 4 of 4 calculated diagram(s): 300–2499.25 K, x(Mg) 0.95594–1	11	4
LIQUID phase:ga-mg:liquid	liquid	liquid	stable in 4 of 4 calculated diagram(s): 301.56–2500 K, x(Mg) 0–1	126	4

ORTHORHOMBIC_A11 (Ga–Mg)

Id: phase:ga-mg:a11-orthorhombic; status assigned
Structure: alpha-Ga · A11 · oC8 · Cmce (64); type st:a11-alpha-ga-oc8; tier A: standard phase name; confidence high
Stoichiometry: Ga 1.0000
Stability: stable in 4 of 4 calculated diagram(s): 300–302.91 K, x(Mg) 0–0
Literature: 9 values (9 accepted) from 2 papers
Interactive: phase registry entry

Names (8): corpus: corpus:phase:ga-mg:a11-orthorhombic, corpus:phase:ga-mg:orthorhombic-a11
paper: paper:10.1016/j.jallcom.2009.07.010:(Ga), paper:10.1016/s1003-6326(09)60161-8:(Ga)
tdb: tdb:GaMg-05Fra-LB.tdb:ORTHORHOMBIC_A11, tdb:GaMg-09Fen.tdb:ORTHORHOMBIC_A11, tdb:GaMg-10Men.tdb:ORTHORHOMBIC_A11, tdb:GaMg-91Not.tdb:ORTHORHOMBIC_A11

TDB models of ORTHORHOMBIC_A11 (4): PHASE and CONSTITUENT statements as written

GaMg-05Fra-LB.tdb: ORTHORHOMBIC_A11, type code %, sha256 fd5e140994a1542f…

43: PHASE ORTHORHOMBIC_A11 % 1 1 !
44: CONST ORTHORHOMBIC_A11 : GA : !

GaMg-09Fen.tdb: ORTHORHOMBIC_A11, type code %, sha256 b5cdea808fa41ebc…

43: PHASE ORTHORHOMBIC_A11 % 1 1 !
44: CONST ORTHORHOMBIC_A11 : GA : !

GaMg-10Men.tdb: ORTHORHOMBIC_A11, type code %, sha256 e0713d1b2ef901bc…

40: PHASE ORTHORHOMBIC_A11 % 1 1 !
41: CONST ORTHORHOMBIC_A11 : GA : !

GaMg-91Not.tdb: ORTHORHOMBIC_A11, type code %, sha256 06511067cfb5f4fe…

44: PHASE ORTHORHOMBIC_A11 % 1 1 !
45: CONST ORTHORHOMBIC_A11 : GA : !

Example references (5 of 5; assessments first):

doi:10.1016/S1003-6326(09)60161-8 F. Meng, J. Wang, M. Rong, L. Liu, Z. Jin, Trans. Nonferrous Met. Soc. China, 20, 450-57(2010).
assessment that models this phase; reports values for this phase
doi:10.1016/j.jallcom.2009.07.010 Yan Feng, Richu Wang, Huashan Liu, Zhanpeng Jin, Thermodynamic reassessment of the magnesium–gallium system, Journal of Alloys and Compounds 486, 581-585 (2009).
assessment that models this phase; reports values for this phase
doi:10.1016/0925-8388(91)90007-I M. Notin, E. Belbacha, J. Charles, J. Hertz, J. Alloys Compd., 176, 25-38(1991).
assessment that models this phase
doi:10.1002/zaac.19804630125 M. Ellner, T. Gödecke, G. Duddek, B. Predel, Strukturelle und konstitutionelle Untersuchungen im galliumreichen Teil des Systems Magnesium‐Gallium, Zeitschrift anorg allge chemie 463, 170-178 (1980).
cited as the source of values for this phase
doi:10.1007/bf02869505 A.A. Nayeb-Hashemi, J.B. Clark, Bull. Alloy Phase Diagram 6 (1985) 434–439.
cited as the source of values for this phase

BCC_A2 (Ga–Mg)

Id: phase:ga-mg: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 4 calculated diagram(s)
Literature: 0 values (0 accepted) from 0 papers
Interactive: phase registry entry

Names (5): corpus: corpus:phase:ga-mg:bcc-a2
tdb: tdb:GaMg-05Fra-LB.tdb:BCC_A2, tdb:GaMg-09Fen.tdb:BCC_A2, tdb:GaMg-10Men.tdb:BCC_A2, tdb:GaMg-91Not.tdb:BCC_A2

TDB models of BCC_A2 (4): PHASE and CONSTITUENT statements as written

GaMg-05Fra-LB.tdb: BCC_A2, type code %B, sha256 fd5e140994a1542f…

33: PHASE BCC_A2 %B 2 1 3 !
34: CONST BCC_A2 : GA MG : VA : !

GaMg-09Fen.tdb: BCC_A2, type code %B, sha256 b5cdea808fa41ebc…

33: PHASE BCC_A2 %B 2 1 3 !
34: CONST BCC_A2 : GA MG : VA : !

GaMg-10Men.tdb: BCC_A2, type code %B, sha256 e0713d1b2ef901bc…

30: PHASE BCC_A2 %B 2 1 3 !
31: CONST BCC_A2 : GA MG : VA : !

GaMg-91Not.tdb: BCC_A2, type code %B, sha256 06511067cfb5f4fe…

34: PHASE BCC_A2 %B 2 1 3 !
35: CONST BCC_A2 : GA MG : VA : !

Example references (3 of 3; assessments first):

doi:10.1016/0925-8388(91)90007-I M. Notin, E. Belbacha, J. Charles, J. Hertz, J. Alloys Compd., 176, 25-38(1991).
assessment that models this phase
doi:10.1016/j.jallcom.2009.07.010 Yan Feng, Richu Wang, Huashan Liu, Zhanpeng Jin, Thermodynamic reassessment of the magnesium–gallium system, Journal of Alloys and Compounds 486, 581-585 (2009).
assessment that models this phase
doi:10.1016/S1003-6326(09)60161-8 F. Meng, J. Wang, M. Rong, L. Liu, Z. Jin, Trans. Nonferrous Met. Soc. China, 20, 450-57(2010).
assessment that models this phase

FCC_A1 (Ga–Mg)

Id: phase:ga-mg:fcc-a1; status assigned
Structure: Cu · A1 · cF4 · Fm-3m (225); type st:a1-cu-cf4; tier A: standard phase name; confidence high
Stability: not stable in 4 calculated diagram(s)
Literature: 0 values (0 accepted) from 0 papers
Interactive: phase registry entry

Names (5): corpus: corpus:phase:ga-mg:fcc-a1
tdb: tdb:GaMg-05Fra-LB.tdb:FCC_A1, tdb:GaMg-09Fen.tdb:FCC_A1, tdb:GaMg-10Men.tdb:FCC_A1, tdb:GaMg-91Not.tdb:FCC_A1

TDB models of FCC_A1 (4): PHASE and CONSTITUENT statements as written

GaMg-05Fra-LB.tdb: FCC_A1, type code %A, sha256 fd5e140994a1542f…

28: PHASE FCC_A1 %A 2 1 1 !
29: CONST FCC_A1 : GA MG : VA : !

GaMg-09Fen.tdb: FCC_A1, type code %A, sha256 b5cdea808fa41ebc…

28: PHASE FCC_A1 %A 2 1 1 !
29: CONST FCC_A1 : GA MG : VA : !

GaMg-10Men.tdb: FCC_A1, type code %A, sha256 e0713d1b2ef901bc…

25: PHASE FCC_A1 %A 2 1 1 !
26: CONST FCC_A1 : GA MG : VA : !

GaMg-91Not.tdb: FCC_A1, type code %A, sha256 06511067cfb5f4fe…

29: PHASE FCC_A1 %A 2 1 1 !
30: CONST FCC_A1 : GA MG : VA : !

Example references (3 of 3; assessments first):

doi:10.1016/0925-8388(91)90007-I M. Notin, E. Belbacha, J. Charles, J. Hertz, J. Alloys Compd., 176, 25-38(1991).
assessment that models this phase
doi:10.1016/j.jallcom.2009.07.010 Yan Feng, Richu Wang, Huashan Liu, Zhanpeng Jin, Thermodynamic reassessment of the magnesium–gallium system, Journal of Alloys and Compounds 486, 581-585 (2009).
assessment that models this phase
doi:10.1016/S1003-6326(09)60161-8 F. Meng, J. Wang, M. Rong, L. Liu, Z. Jin, Trans. Nonferrous Met. Soc. China, 20, 450-57(2010).
assessment that models this phase

GA2MG (Ga–Mg)

Id: phase:ga-mg:ga2mg; status assigned
Structure: Ga2Mg · oP24 · Pbam (55); type st:ga2mg-op24; 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_mp, no_structure_token); structure as stated in the SGTE crystallographic table for this phase name and system
Stoichiometry: Ga 0.6667, Mg 0.3333
Stability: stable in 4 of 4 calculated diagram(s): 300–566.74 K, x(Mg) 0.33333–0.33333
Literature: 25 values (25 accepted) from 2 papers
Interactive: phase registry entry

Names (7): corpus: corpus:phase:ga-mg:ga2mg
paper: paper:10.1016/j.jallcom.2009.07.010:MgGa2, paper:10.1016/s1003-6326(09)60161-8:MgGa2
tdb: tdb:GaMg-05Fra-LB.tdb:GA2MG, tdb:GaMg-09Fen.tdb:GA2MG, tdb:GaMg-10Men.tdb:GA2MG, tdb:GaMg-91Not.tdb:GA2MG

TDB models of GA2MG (4): PHASE and CONSTITUENT statements as written

GaMg-05Fra-LB.tdb: GA2MG, type code %, sha256 fd5e140994a1542f…

53: PHASE GA2MG % 2 2 1 !
54: CONST GA2MG : GA : MG : !

GaMg-09Fen.tdb: GA2MG, type code %, sha256 b5cdea808fa41ebc…

53: PHASE GA2MG % 2 2 1 !
54: CONST GA2MG : GA : MG : !

GaMg-10Men.tdb: GA2MG, type code %, sha256 e0713d1b2ef901bc…

50: PHASE GA2MG % 2 2 1 !
51: CONST GA2MG : GA : MG : !

GaMg-91Not.tdb: GA2MG, type code %, sha256 06511067cfb5f4fe…

54: PHASE GA2MG % 2 2 1 !
55: CONST GA2MG : GA : MG : !

Example references (5 of 5; assessments first):

doi:10.1016/S1003-6326(09)60161-8 F. Meng, J. Wang, M. Rong, L. Liu, Z. Jin, Trans. Nonferrous Met. Soc. China, 20, 450-57(2010).
assessment that models this phase; reports values for this phase
doi:10.1016/j.jallcom.2009.07.010 Yan Feng, Richu Wang, Huashan Liu, Zhanpeng Jin, Thermodynamic reassessment of the magnesium–gallium system, Journal of Alloys and Compounds 486, 581-585 (2009).
assessment that models this phase; reports values for this phase
doi:10.1016/0925-8388(91)90007-I M. Notin, E. Belbacha, J. Charles, J. Hertz, J. Alloys Compd., 176, 25-38(1991).
assessment that models this phase; cited as the source of values for this phase
doi:10.1002/zaac.19804630125 M. Ellner, T. Gödecke, G. Duddek, B. Predel, Strukturelle und konstitutionelle Untersuchungen im galliumreichen Teil des Systems Magnesium‐Gallium, Zeitschrift anorg allge chemie 463, 170-178 (1980).
cited as the source of values for this phase
doi:10.1016/0022-5088(90)90434-l P Feschotte, K Yvon, Etude stoechiometrique des composes intermediaires dans le systeme gallium-magnesium, Journal of the Less Common Metals 158, 89-97 (1990).
cited as the source of values for this phase

GA2MG5_D8G (Ga–Mg)

Id: phase:ga-mg:ga2mg5-d8g; status assigned
Structure: Ga2Mg5 · D8_g · oI28 · Ibam (72); type st:d8-g-ga2mg5-oi28; tier A: standard phase name; confidence high
Caveat: DFT agrees: on-hull mp-aaaaacqc and oqmd-30297, space group 72
Stoichiometry: Ga 0.2857, Mg 0.7143
Stability: stable in 4 of 4 calculated diagram(s): 300–745.74 K, x(Mg) 0.71429–0.71429
Literature: 37 values (37 accepted) from 2 papers
Interactive: phase registry entry

Names (9): corpus: corpus:phase:ga-mg:ga2mg5-d8g
mp: mp:mp-aaaaacqc
oqmd: oqmd:oqmd-30297
paper: paper:10.1016/j.jallcom.2009.07.010:Mg5Ga2, paper:10.1016/s1003-6326(09)60161-8:Mg5Ga2
tdb: tdb:GaMg-05Fra-LB.tdb:GA2MG5_D8G, tdb:GaMg-09Fen.tdb:GA2MG5_D8G, tdb:GaMg-10Men.tdb:GA2MG5_D8G, tdb:GaMg-91Not.tdb:GA2MG5_D8G

TDB models of GA2MG5_D8G (4): PHASE and CONSTITUENT statements as written

GaMg-05Fra-LB.tdb: GA2MG5_D8G, type code %, sha256 fd5e140994a1542f…

68: PHASE GA2MG5_D8G % 2 2 5 !
69: CONST GA2MG5_D8G : GA : MG : !

GaMg-09Fen.tdb: GA2MG5_D8G, type code %, sha256 b5cdea808fa41ebc…

68: PHASE GA2MG5_D8G % 2 2 5 !
69: CONST GA2MG5_D8G : GA : MG : !

GaMg-10Men.tdb: GA2MG5_D8G, type code %, sha256 e0713d1b2ef901bc…

65: PHASE GA2MG5_D8G % 2 2 5 !
66: CONST GA2MG5_D8G : GA : MG : !

GaMg-91Not.tdb: GA2MG5_D8G, type code %, sha256 06511067cfb5f4fe…

69: PHASE GA2MG5_D8G % 2 2 5 !
70: CONST GA2MG5_D8G : GA : MG : !

Example references (4 of 4; assessments first):

doi:10.1016/S1003-6326(09)60161-8 F. Meng, J. Wang, M. Rong, L. Liu, Z. Jin, Trans. Nonferrous Met. Soc. China, 20, 450-57(2010).
assessment that models this phase; reports values for this phase
doi:10.1016/j.jallcom.2009.07.010 Yan Feng, Richu Wang, Huashan Liu, Zhanpeng Jin, Thermodynamic reassessment of the magnesium–gallium system, Journal of Alloys and Compounds 486, 581-585 (2009).
assessment that models this phase; reports values for this phase
doi:10.1016/0925-8388(91)90007-I M. Notin, E. Belbacha, J. Charles, J. Hertz, J. Alloys Compd., 176, 25-38(1991).
assessment that models this phase; cited as the source of values for this phase
doi:10.1016/0022-5088(90)90434-l P Feschotte, K Yvon, Etude stoechiometrique des composes intermediaires dans le systeme gallium-magnesium, Journal of the Less Common Metals 158, 89-97 (1990).
cited as the source of values for this phase

GA5MG2 (Ga–Mg)

Id: phase:ga-mg:ga5mg2; status assigned
Structure: Ga5Mg2 · tI28 · I4/mmm (139); type st:ga5mg2-ti28; tier B: DFT-supported (unique MP + OQMD match); confidence high
Stoichiometry: Ga 0.7143, Mg 0.2857
Stability: stable in 4 of 4 calculated diagram(s): 300–475.78 K, x(Mg) 0.28571–0.28571
Literature: 20 values (20 accepted) from 2 papers
Interactive: phase registry entry

Names (9): corpus: corpus:phase:ga-mg:ga5mg2
mp: mp:mp-aaaaboye
oqmd: oqmd:oqmd-4243
paper: paper:10.1016/j.jallcom.2009.07.010:Mg2Ga5, paper:10.1016/s1003-6326(09)60161-8:Mg2Ga5
tdb: tdb:GaMg-05Fra-LB.tdb:GA5MG2, tdb:GaMg-09Fen.tdb:GA5MG2, tdb:GaMg-10Men.tdb:GA5MG2, tdb:GaMg-91Not.tdb:GA5MG2

TDB models of GA5MG2 (4): PHASE and CONSTITUENT statements as written

GaMg-05Fra-LB.tdb: GA5MG2, type code %, sha256 fd5e140994a1542f…

48: PHASE GA5MG2 % 2 5 2 !
49: CONST GA5MG2 : GA : MG : !

GaMg-09Fen.tdb: GA5MG2, type code %, sha256 b5cdea808fa41ebc…

48: PHASE GA5MG2 % 2 5 2 !
49: CONST GA5MG2 : GA : MG : !

GaMg-10Men.tdb: GA5MG2, type code %, sha256 e0713d1b2ef901bc…

45: PHASE GA5MG2 % 2 5 2 !
46: CONST GA5MG2 : GA : MG : !

GaMg-91Not.tdb: GA5MG2, type code %, sha256 06511067cfb5f4fe…

49: PHASE GA5MG2 % 2 5 2 !
50: CONST GA5MG2 : GA : MG : !

Example references (6 of 6; assessments first):

doi:10.1016/S1003-6326(09)60161-8 F. Meng, J. Wang, M. Rong, L. Liu, Z. Jin, Trans. Nonferrous Met. Soc. China, 20, 450-57(2010).
assessment that models this phase; reports values for this phase
doi:10.1016/j.jallcom.2009.07.010 Yan Feng, Richu Wang, Huashan Liu, Zhanpeng Jin, Thermodynamic reassessment of the magnesium–gallium system, Journal of Alloys and Compounds 486, 581-585 (2009).
assessment that models this phase; reports values for this phase
doi:10.1016/0925-8388(91)90007-I M. Notin, E. Belbacha, J. Charles, J. Hertz, J. Alloys Compd., 176, 25-38(1991).
assessment that models this phase; cited as the source of values for this phase
doi:10.1002/zaac.19804630125 M. Ellner, T. Gödecke, G. Duddek, B. Predel, Strukturelle und konstitutionelle Untersuchungen im galliumreichen Teil des Systems Magnesium‐Gallium, Zeitschrift anorg allge chemie 463, 170-178 (1980).
cited as the source of values for this phase
doi:10.1007/bf02869505 A.A. Nayeb-Hashemi, J.B. Clark, Bull. Alloy Phase Diagram 6 (1985) 434–439.
cited as the source of values for this phase
doi:10.1016/0022-5088(90)90434-l P Feschotte, K Yvon, Etude stoechiometrique des composes intermediaires dans le systeme gallium-magnesium, Journal of the Less Common Metals 158, 89-97 (1990).
cited as the source of values for this phase

GAMG (Ga–Mg)

Id: phase:ga-mg:gamg; status assigned
Structure: GaMg · tI32 · I4_1/a (88); type st:gamg-ti32; 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 (dft_space_group_88_matches_2_structure_types, no_structure_token); structure as stated in the SGTE crystallographic table for this phase name and system
Stoichiometry: Ga 0.5000, Mg 0.5000
Stability: stable in 4 of 4 calculated diagram(s): 300–660.55 K, x(Mg) 0.5–0.5
Literature: 37 values (37 accepted) from 2 papers
Interactive: phase registry entry

Names (7): corpus: corpus:phase:ga-mg:gamg
paper: paper:10.1016/j.jallcom.2009.07.010:MgGa, paper:10.1016/s1003-6326(09)60161-8:MgGa
tdb: tdb:GaMg-05Fra-LB.tdb:GAMG, tdb:GaMg-09Fen.tdb:GAMG, tdb:GaMg-10Men.tdb:GAMG, tdb:GaMg-91Not.tdb:GAMG

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

GaMg-05Fra-LB.tdb: GAMG, type code %, sha256 fd5e140994a1542f…

58: PHASE GAMG % 2 1 1 !
59: CONST GAMG : GA : MG : !

GaMg-09Fen.tdb: GAMG, type code %, sha256 b5cdea808fa41ebc…

58: PHASE GAMG % 2 1 1 !
59: CONST GAMG : GA : MG : !

GaMg-10Men.tdb: GAMG, type code %, sha256 e0713d1b2ef901bc…

55: PHASE GAMG % 2 1 1 !
56: CONST GAMG : GA : MG : !

GaMg-91Not.tdb: GAMG, type code %, sha256 06511067cfb5f4fe…

59: PHASE GAMG % 2 1 1 !
60: CONST GAMG : GA : MG : !

Example references (5 of 5; assessments first):

doi:10.1016/S1003-6326(09)60161-8 F. Meng, J. Wang, M. Rong, L. Liu, Z. Jin, Trans. Nonferrous Met. Soc. China, 20, 450-57(2010).
assessment that models this phase; reports values for this phase
doi:10.1016/j.jallcom.2009.07.010 Yan Feng, Richu Wang, Huashan Liu, Zhanpeng Jin, Thermodynamic reassessment of the magnesium–gallium system, Journal of Alloys and Compounds 486, 581-585 (2009).
assessment that models this phase; reports values for this phase
doi:10.1016/0925-8388(91)90007-I M. Notin, E. Belbacha, J. Charles, J. Hertz, J. Alloys Compd., 176, 25-38(1991).
assessment that models this phase; cited as the source of values for this phase
doi:10.1016/0022-5088(90)90434-l P Feschotte, K Yvon, Etude stoechiometrique des composes intermediaires dans le systeme gallium-magnesium, Journal of the Less Common Metals 158, 89-97 (1990).
cited as the source of values for this phase
doi:10.1002/zaac.19804630125 M. Ellner, T. Gödecke, G. Duddek, B. Predel, Strukturelle und konstitutionelle Untersuchungen im galliumreichen Teil des Systems Magnesium‐Gallium, Zeitschrift anorg allge chemie 463, 170-178 (1980).
cited as the source of values for this phase

GAMG2 (Ga–Mg)

Id: phase:ga-mg:gamg2; status assigned
Structure: GaMg2 · hP18 · P-62c (190); type st:gamg2-hp18; tier B: DFT-supported (unique MP + OQMD match); confidence high
Stoichiometry: Ga 0.3333, Mg 0.6667
Stability: stable in 4 of 4 calculated diagram(s): 300–727.84 K, x(Mg) 0.66667–0.66667
Literature: 22 values (22 accepted) from 2 papers
Interactive: phase registry entry

Names (9): corpus: corpus:phase:ga-mg:gamg2
mp: mp:mp-aaaabtiw
oqmd: oqmd:oqmd-17255
paper: paper:10.1016/j.jallcom.2009.07.010:Mg2Ga, paper:10.1016/s1003-6326(09)60161-8:Mg2Ga
tdb: tdb:GaMg-05Fra-LB.tdb:GAMG2, tdb:GaMg-09Fen.tdb:GAMG2, tdb:GaMg-10Men.tdb:GAMG2, tdb:GaMg-91Not.tdb:GAMG2

TDB models of GAMG2 (4): PHASE and CONSTITUENT statements as written

GaMg-05Fra-LB.tdb: GAMG2, type code %, sha256 fd5e140994a1542f…

63: PHASE GAMG2 % 2 1 2 !
64: CONST GAMG2 : GA : MG : !

GaMg-09Fen.tdb: GAMG2, type code %, sha256 b5cdea808fa41ebc…

63: PHASE GAMG2 % 2 1 2 !
64: CONST GAMG2 : GA : MG : !

GaMg-10Men.tdb: GAMG2, type code %, sha256 e0713d1b2ef901bc…

60: PHASE GAMG2 % 2 1 2 !
61: CONST GAMG2 : GA : MG : !

GaMg-91Not.tdb: GAMG2, type code %, sha256 06511067cfb5f4fe…

64: PHASE GAMG2 % 2 1 2 !
65: CONST GAMG2 : GA : MG : !

Example references (4 of 4; assessments first):

doi:10.1016/S1003-6326(09)60161-8 F. Meng, J. Wang, M. Rong, L. Liu, Z. Jin, Trans. Nonferrous Met. Soc. China, 20, 450-57(2010).
assessment that models this phase; reports values for this phase
doi:10.1016/j.jallcom.2009.07.010 Yan Feng, Richu Wang, Huashan Liu, Zhanpeng Jin, Thermodynamic reassessment of the magnesium–gallium system, Journal of Alloys and Compounds 486, 581-585 (2009).
assessment that models this phase; reports values for this phase
doi:10.1016/0925-8388(91)90007-I M. Notin, E. Belbacha, J. Charles, J. Hertz, J. Alloys Compd., 176, 25-38(1991).
assessment that models this phase; cited as the source of values for this phase
doi:10.1016/0022-5088(90)90434-l P Feschotte, K Yvon, Etude stoechiometrique des composes intermediaires dans le systeme gallium-magnesium, Journal of the Less Common Metals 158, 89-97 (1990).
cited as the source of values for this phase

HCP_A3 (Ga–Mg)

Id: phase:ga-mg: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 4 of 4 calculated diagram(s): 300–2499.25 K, x(Mg) 0.95594–1
Literature: 11 values (11 accepted) from 2 papers
Interactive: phase registry entry

Names (7): corpus: corpus:phase:ga-mg:hcp-a3
paper: paper:10.1016/j.jallcom.2009.07.010:(Mg), paper:10.1016/s1003-6326(09)60161-8:(Mg)
tdb: tdb:GaMg-05Fra-LB.tdb:HCP_A3, tdb:GaMg-09Fen.tdb:HCP_A3, tdb:GaMg-10Men.tdb:HCP_A3, tdb:GaMg-91Not.tdb:HCP_A3

TDB models of HCP_A3 (4): PHASE and CONSTITUENT statements as written

GaMg-05Fra-LB.tdb: HCP_A3, type code %A, sha256 fd5e140994a1542f…

38: PHASE HCP_A3 %A 2 1 0.5 !
39: CONST HCP_A3 : GA MG% : VA : !

GaMg-09Fen.tdb: HCP_A3, type code %A, sha256 b5cdea808fa41ebc…

38: PHASE HCP_A3 %A 2 1 0.5 !
39: CONST HCP_A3 : GA MG% : VA : !

GaMg-10Men.tdb: HCP_A3, type code %A, sha256 e0713d1b2ef901bc…

35: PHASE HCP_A3 %A 2 1 0.5 !
36: CONST HCP_A3 : GA MG% : VA : !

GaMg-91Not.tdb: HCP_A3, type code %A, sha256 06511067cfb5f4fe…

39: PHASE HCP_A3 %A 2 1 0.5 !
40: CONST HCP_A3 : GA MG% : VA : !

Example references (4 of 4; assessments first):

doi:10.1016/S1003-6326(09)60161-8 F. Meng, J. Wang, M. Rong, L. Liu, Z. Jin, Trans. Nonferrous Met. Soc. China, 20, 450-57(2010).
assessment that models this phase; reports values for this phase
doi:10.1016/j.jallcom.2009.07.010 Yan Feng, Richu Wang, Huashan Liu, Zhanpeng Jin, Thermodynamic reassessment of the magnesium–gallium system, Journal of Alloys and Compounds 486, 581-585 (2009).
assessment that models this phase; reports values for this phase
doi:10.1016/0925-8388(91)90007-I M. Notin, E. Belbacha, J. Charles, J. Hertz, J. Alloys Compd., 176, 25-38(1991).
assessment that models this phase; cited as the source of values for this phase
doi:10.1016/0022-5088(90)90434-l P Feschotte, K Yvon, Etude stoechiometrique des composes intermediaires dans le systeme gallium-magnesium, Journal of the Less Common Metals 158, 89-97 (1990).
cited as the source of values for this phase

LIQUID (Ga–Mg)

Id: phase:ga-mg:liquid; status assigned
Structure: liquid; type st:liquid; liquid; confidence high
Stability: stable in 4 of 4 calculated diagram(s): 301.56–2500 K, x(Mg) 0–1
Literature: 126 values (126 accepted) from 3 papers
Interactive: phase registry entry

Names (9): corpus: corpus:phase:ga-mg:liquid
paper: paper:10.1016/0925-8388(91)90007-i:Liquid, paper:10.1016/0925-8388(91)90007-i:liquid, paper:10.1016/j.jallcom.2009.07.010:L, paper:10.1016/s1003-6326(09)60161-8:L
tdb: tdb:GaMg-05Fra-LB.tdb:LIQUID, tdb:GaMg-09Fen.tdb:LIQUID, tdb:GaMg-10Men.tdb:LIQUID, tdb:GaMg-91Not.tdb:LIQUID

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

GaMg-05Fra-LB.tdb: LIQUID, type code %, sha256 fd5e140994a1542f…

23: PHASE LIQUID:L % 1 1 !
24: CONST LIQUID:L : GA MG : !

GaMg-09Fen.tdb: LIQUID, type code %, sha256 b5cdea808fa41ebc…

23: PHASE LIQUID:L % 1 1 !
24: CONST LIQUID:L : GA MG : !

GaMg-10Men.tdb: LIQUID, type code %, sha256 e0713d1b2ef901bc…

20: PHASE LIQUID:L % 1 1 !
21: CONST LIQUID:L : GA MG : !

GaMg-91Not.tdb: LIQUID, type code %, sha256 06511067cfb5f4fe…

24: PHASE LIQUID:L % 1 1 !
25: CONST LIQUID:L : GA MG : !

Example references (7 of 7; assessments first):

doi:10.1016/S1003-6326(09)60161-8 F. Meng, J. Wang, M. Rong, L. Liu, Z. Jin, Trans. Nonferrous Met. Soc. China, 20, 450-57(2010).
assessment that models this phase; reports values for this phase
doi:10.1016/j.jallcom.2009.07.010 Yan Feng, Richu Wang, Huashan Liu, Zhanpeng Jin, Thermodynamic reassessment of the magnesium–gallium system, Journal of Alloys and Compounds 486, 581-585 (2009).
assessment that models this phase; reports values for this phase
doi:10.1016/0925-8388(91)90007-I M. Notin, E. Belbacha, J. Charles, J. Hertz, J. Alloys Compd., 176, 25-38(1991).
assessment that models this phase; cited as the source of values for this phase; reports values for this phase
doi:10.1007/bf02666957 Zbigniew Moser, Elzbieta Kawecka, Ferdinand Sommer, Bruno Predel, Thermodynamic studies on the Mg-Ga system, Metall Trans B 13, 71-76 (1982).
cited as the source of values for this phase
doi:10.1016/0022-5088(90)90434-l P Feschotte, K Yvon, Etude stoechiometrique des composes intermediaires dans le systeme gallium-magnesium, Journal of the Less Common Metals 158, 89-97 (1990).
cited as the source of values for this phase
doi:10.1002/zaac.19804630125 M. Ellner, T. Gödecke, G. Duddek, B. Predel, Strukturelle und konstitutionelle Untersuchungen im galliumreichen Teil des Systems Magnesium‐Gallium, Zeitschrift anorg allge chemie 463, 170-178 (1980).
cited as the source of values for this phase
doi:10.1007/bf02869505 A.A. Nayeb-Hashemi, J.B. Clark, Bull. Alloy Phase Diagram 6 (1985) 434–439.
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}
}