Al–Sc phases

8 phases (tier A 7, 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 · Al–Sc system page · Markdown · field reference

Phases of the Al–Sc system (8)
PhaseStructureBasisStability (calculated)Literature valuesTDB models
AL2SC_C15
phase:al-sc:al2sc-c15
Cu2Mg · C15 · cF24 · Fd-3m (227)tier A: standard phase namestable in 3 of 3 calculated diagram(s): 300–1694.37 K, x(Sc) 0.33333–0.33333223
AL3SC_L12
phase:al-sc:al3sc-l12
AuCu3 · L1_2 · cP4 · Pm-3m (221)tier A: standard phase namestable in 3 of 3 calculated diagram(s): 300–1603.68 K, x(Sc) 0.25–0.25173
ALSC_B2
phase:al-sc:alsc-b2
CsCl · B2 · cP2 · Pm-3m (221)tier A: standard phase namestable in 3 of 3 calculated diagram(s): 300–1574.74 K, x(Sc) 0.5–0.5253
ALSC2_B82
phase:al-sc:alsc2-b82
InNi2 · B8_2 · hP6 · P6_3/mmc (194)tier A: standard phase namestable in 3 of 3 calculated diagram(s): 300–1570.95 K, x(Sc) 0.66667–0.66667303
BCC_A2
phase:al-sc:bcc-a2
W · A2 · cI2 · Im-3m (229)tier A: standard phase namestable in 3 of 3 calculated diagram(s): 1242.39–2500 K, x(Sc) 0.29125–1143
FCC_A1
phase:al-sc:fcc-a1
Cu · A1 · cF4 · Fm-3m (225)tier A: standard phase namestable in 3 of 3 calculated diagram(s): 300–933.47 K, x(Sc) 0–0.0024103
HCP_A3
phase:al-sc:hcp-a3
Mg · A3 · hP2 · P6_3/mmc (194)tier A: standard phase namestable in 3 of 3 calculated diagram(s): 300–1805.33 K, x(Sc) 0.89758–193
LIQUID
phase:al-sc:liquid
liquidliquidstable in 3 of 3 calculated diagram(s): 930.94–2500 K, x(Sc) 0–1643

AL2SC_C15 (Al–Sc)

Names (9): corpus: corpus:phase:al-sc:al2sc-c15
mp: mp:mp-aaaaabfh
oqmd: oqmd:oqmd-10541
paper: paper:10.1016/j.jallcom.2009.10.003:Al2Sc, paper:10.1016/s0966-9795(98)00022-3:ScAl2, paper:10.1361/105497198770342120:Al2Sc
tdb: tdb:AlSc-10Bo.tdb:AL2SC_C15, tdb:AlSc-98Mur.tdb:AL2SC_C15, tdb:AlSc-99Cac-LB.tdb:AL2SC_C15

TDB models of AL2SC_C15 (3): PHASE and CONSTITUENT statements as written

AlSc-10Bo.tdb: AL2SC_C15, type code %, sha256 45d2f4a9a159e401…

45: PHASE AL2SC_C15 % 2 2 1 !
46: CONST AL2SC_C15 : AL : SC : !

AlSc-98Mur.tdb: AL2SC_C15, type code %, sha256 c476dee15cbcc541…

50: PHASE AL2SC_C15 % 2 2 1 !
51: CONST AL2SC_C15 : AL : SC : !

AlSc-99Cac-LB.tdb: AL2SC_C15, type code %, sha256 3bd2989713373b92…

52: PHASE AL2SC_C15 % 2 2 1 !
53: CONST AL2SC_C15 : AL : SC : !

Example references (4 of 4; assessments first):

AL3SC_L12 (Al–Sc)

Names (9): corpus: corpus:phase:al-sc:al3sc-l12
mp: mp:mp-aaaaaddp
oqmd: oqmd:oqmd-18716
paper: paper:10.1016/j.jallcom.2009.10.003:Al3Sc, paper:10.1016/s0966-9795(98)00022-3:ScAl3, paper:10.1361/105497198770342120:Al3Sc
tdb: tdb:AlSc-10Bo.tdb:AL3SC_L12, tdb:AlSc-98Mur.tdb:AL3SC_L12, tdb:AlSc-99Cac-LB.tdb:AL3SC_L12

TDB models of AL3SC_L12 (3): PHASE and CONSTITUENT statements as written

AlSc-10Bo.tdb: AL3SC_L12, type code %, sha256 45d2f4a9a159e401…

40: PHASE AL3SC_L12 % 2 3 1 !
41: CONST AL3SC_L12 : AL : SC : !

AlSc-98Mur.tdb: AL3SC_L12, type code %, sha256 c476dee15cbcc541…

45: PHASE AL3SC_L12 % 2 3 1 !
46: CONST AL3SC_L12 : AL : SC : !

AlSc-99Cac-LB.tdb: AL3SC_L12, type code %, sha256 3bd2989713373b92…

47: PHASE AL3SC_L12 % 2 3 1 !
48: CONST AL3SC_L12 : AL : SC : !

Example references (4 of 4; assessments first):

ALSC_B2 (Al–Sc)

Names (7): corpus: corpus:phase:al-sc:alsc-b2
paper: paper:10.1016/j.jallcom.2009.10.003:AlSc, paper:10.1016/s0966-9795(98)00022-3:ScAl, paper:10.1361/105497198770342120:AlSc
tdb: tdb:AlSc-10Bo.tdb:ALSC_B2, tdb:AlSc-98Mur.tdb:ALSC_B2, tdb:AlSc-99Cac-LB.tdb:ALSC_B2

TDB models of ALSC_B2 (3): PHASE and CONSTITUENT statements as written

AlSc-10Bo.tdb: ALSC_B2, type code %, sha256 45d2f4a9a159e401…

50: PHASE ALSC_B2 % 2 1 1 !
51: CONST ALSC_B2 : AL : SC : !

AlSc-98Mur.tdb: ALSC_B2, type code %, sha256 c476dee15cbcc541…

55: PHASE ALSC_B2 % 2 1 1 !
56: CONST ALSC_B2 : AL : SC : !

AlSc-99Cac-LB.tdb: ALSC_B2, type code %, sha256 3bd2989713373b92…

57: PHASE ALSC_B2 % 2 1 1 !
58: CONST ALSC_B2 : AL : SC : !

Example references (4 of 4; assessments first):

ALSC2_B82 (Al–Sc)

Names (9): corpus: corpus:phase:al-sc:alsc2-b82
mp: mp:mp-aaaaaqpo
oqmd: oqmd:oqmd-10540
paper: paper:10.1016/j.jallcom.2009.10.003:AlSc2, paper:10.1016/s0966-9795(98)00022-3:Sc2Al, paper:10.1361/105497198770342120:AlSc2
tdb: tdb:AlSc-10Bo.tdb:ALSC2_B82, tdb:AlSc-98Mur.tdb:ALSC2_B82, tdb:AlSc-99Cac-LB.tdb:ALSC2_B82

TDB models of ALSC2_B82 (3): PHASE and CONSTITUENT statements as written

AlSc-10Bo.tdb: ALSC2_B82, type code %, sha256 45d2f4a9a159e401…

55: PHASE ALSC2_B82 % 2 1 2 !
56: CONST ALSC2_B82 : AL : SC : !

AlSc-98Mur.tdb: ALSC2_B82, type code %, sha256 c476dee15cbcc541…

60: PHASE ALSC2_B82 % 2 1 2 !
61: CONST ALSC2_B82 : AL : SC : !

AlSc-99Cac-LB.tdb: ALSC2_B82, type code %, sha256 3bd2989713373b92…

62: PHASE ALSC2_B82 % 2 1 2 !
63: CONST ALSC2_B82 : AL : SC : !

Example references (4 of 4; assessments first):

BCC_A2 (Al–Sc)

Names (8): corpus: corpus:phase:al-sc:bcc-a2
paper: paper:10.1016/j.jallcom.2009.10.003:βSc, paper:10.1016/s0966-9795(98)00022-3:(βSc), paper:10.1361/105497198770342120:(βSc), paper:10.1361/105497198770342120:βSc
tdb: tdb:AlSc-10Bo.tdb:BCC_A2, tdb:AlSc-98Mur.tdb:BCC_A2, tdb:AlSc-99Cac-LB.tdb:BCC_A2

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

AlSc-10Bo.tdb: BCC_A2, type code %B, sha256 45d2f4a9a159e401…

30: PHASE BCC_A2 %B 2 1 3 !
31: CONST BCC_A2 : AL SC : VA : !

AlSc-98Mur.tdb: BCC_A2, type code %B, sha256 c476dee15cbcc541…

35: PHASE BCC_A2 %B 2 1 3 !
36: CONST BCC_A2 : AL SC : VA : !

AlSc-99Cac-LB.tdb: BCC_A2, type code %B, sha256 3bd2989713373b92…

37: PHASE BCC_A2 %B 2 1 3 !
38: CONST BCC_A2 : AL SC : VA : !

Example references (4 of 4; assessments first):

FCC_A1 (Al–Sc)

Names (8): corpus: corpus:phase:al-sc:fcc-a1
paper: paper:10.1016/j.jallcom.2009.10.003:Fcc_Al, paper:10.1016/s0966-9795(98)00022-3:(Al), paper:10.1361/105497198770342120:(Al), paper:10.1361/105497198770342120:Al
tdb: tdb:AlSc-10Bo.tdb:FCC_A1, tdb:AlSc-98Mur.tdb:FCC_A1, tdb:AlSc-99Cac-LB.tdb:FCC_A1

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

AlSc-10Bo.tdb: FCC_A1, type code %A, sha256 45d2f4a9a159e401…

25: PHASE FCC_A1 %A 2 1 1 !
26: CONST FCC_A1 : AL SC : VA : !

AlSc-98Mur.tdb: FCC_A1, type code %A, sha256 c476dee15cbcc541…

30: PHASE FCC_A1 %A 2 1 1 !
31: CONST FCC_A1 : AL SC : VA : !

AlSc-99Cac-LB.tdb: FCC_A1, type code %A, sha256 3bd2989713373b92…

32: PHASE FCC_A1 %A 2 1 1 !
33: CONST FCC_A1 : AL SC : VA : !

Example references (4 of 4; assessments first):

HCP_A3 (Al–Sc)

Names (7): corpus: corpus:phase:al-sc:hcp-a3
paper: paper:10.1016/j.jallcom.2009.10.003:αSc, paper:10.1016/s0966-9795(98)00022-3:(αSc), paper:10.1361/105497198770342120:(αSc)
tdb: tdb:AlSc-10Bo.tdb:HCP_A3, tdb:AlSc-98Mur.tdb:HCP_A3, tdb:AlSc-99Cac-LB.tdb:HCP_A3

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

AlSc-10Bo.tdb: HCP_A3, type code %A, sha256 45d2f4a9a159e401…

35: PHASE HCP_A3 %A 2 1 0.5 !
36: CONST HCP_A3 : AL SC : VA : !

AlSc-98Mur.tdb: HCP_A3, type code %A, sha256 c476dee15cbcc541…

40: PHASE HCP_A3 %A 2 1 0.5 !
41: CONST HCP_A3 : AL SC : VA : !

AlSc-99Cac-LB.tdb: HCP_A3, type code %A, sha256 3bd2989713373b92…

42: PHASE HCP_A3 %A 2 1 0.5 !
43: CONST HCP_A3 : AL SC : VA : !

Example references (4 of 4; assessments first):

LIQUID (Al–Sc)

Names (7): corpus: corpus:phase:al-sc:liquid
paper: paper:10.1016/j.jallcom.2009.10.003:L, paper:10.1016/s0966-9795(98)00022-3:L, paper:10.1361/105497198770342120:L
tdb: tdb:AlSc-10Bo.tdb:LIQUID, tdb:AlSc-98Mur.tdb:LIQUID, tdb:AlSc-99Cac-LB.tdb:LIQUID

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

AlSc-10Bo.tdb: LIQUID, type code %, sha256 45d2f4a9a159e401…

20: PHASE LIQUID:L % 1 1 !
21: CONST LIQUID:L : AL SC : !

AlSc-98Mur.tdb: LIQUID, type code %, sha256 c476dee15cbcc541…

25: PHASE LIQUID:L % 1 1 !
26: CONST LIQUID:L : AL SC : !

AlSc-99Cac-LB.tdb: LIQUID, type code %, sha256 3bd2989713373b92…

27: PHASE LIQUID:L % 1 1 !
28: CONST LIQUID:L : AL SC : !

Example references (4 of 4; assessments first):