Lu–Pb phases

10 phases (tier A 4, tier C 2, liquid 2, needs_review 2); 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 · Lu–Pb system page · Markdown · field reference

Phases of the Lu–Pb system (10)
PhaseStructureBasisStability (calculated)Literature valuesTDB models
ASSOCI
phase:lu-pb:associ
liquidliquidnot stable in 1 calculated diagram(s)01
BCC_A2
phase:lu-pb:bcc-a2
W · A2 · cI2 · Im-3m (229)tier A: standard phase namenot stable in 2 calculated diagram(s)02
FCC_A1
phase:lu-pb:fcc-a1
Cu · A1 · cF4 · Fm-3m (225)tier A: standard phase namestable in 2 of 2 calculated diagram(s): 300–2499.36 K, x(Pb) 1–122
HCP_A3
phase:lu-pb:hcp-a3
Mg · A3 · hP2 · P6_3/mmc (194)tier A: standard phase namestable in 2 of 2 calculated diagram(s): 300–1983.38 K, x(Pb) 0–0.0118242
LIQUID
phase:lu-pb:liquid
liquidliquidstable in 2 of 2 calculated diagram(s): 595.96–2500 K, x(Pb) 0–1282
LU5PB3_D88
phase:lu-pb:lu5pb3-d88
Mn5Si3 · D8_8 · hP16 · P6_3/mcm (193)tier A: standard phase namestable in 2 of 2 calculated diagram(s): 300–1967.22 K, x(Pb) 0.375–0.375142
LU5PB4_HT
phase:lu-pb:lu5pb4-ht
needs_reviewstable in 2 of 2 calculated diagram(s): 1747.98–1772.79 K, x(Pb) 0.44444–0.4444482
LU5PB4_LT
phase:lu-pb:lu5pb4-lt
needs_reviewstable in 2 of 2 calculated diagram(s): 300–1749.54 K, x(Pb) 0.44444–0.44444102
LU6PB5
phase:lu-pb:lu6pb5
Si5V6 · oI44 · Ibam (72)tier C: assessor-stated (Hallstedt 2025 crystallographic table)stable in 2 of 2 calculated diagram(s): 300–1445.91 K, x(Pb) 0.45455–0.4545582
LUPB2
phase:lu-pb:lupb2
CuZr2 · tI6 · I4/mmm (139)tier C: assessor-stated (Hallstedt 2025 crystallographic table)stable in 2 of 2 calculated diagram(s): 300–845.22 K, x(Pb) 0.66667–0.6666782

ASSOCI (Lu–Pb)

Names (2): corpus: corpus:phase:lu-pb:associ
tdb: tdb:LuPb-12Idd.tdb:ASSOCI

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

LuPb-12Idd.tdb: ASSOCI, type code %, sha256 33e63b676c5f908f…

35: PHASE ASSOCI:L % 1 1 !
36: CONST ASSOCI:L : LU LU5PB3 PB : !

Example references (1 of 1; assessments first):

BCC_A2 (Lu–Pb)

Names (3): corpus: corpus:phase:lu-pb:bcc-a2
tdb: tdb:LuPb-12Idd.tdb:BCC_A2, tdb:LuPb-13Wan.tdb:BCC_A2

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

LuPb-12Idd.tdb: BCC_A2, type code %B, sha256 33e63b676c5f908f…

45: PHASE BCC_A2 %B 2 1 3 !
46: CONST BCC_A2 : PB : VA : !

LuPb-13Wan.tdb: BCC_A2, type code %B, sha256 602dc6f7866693ae…

40: PHASE BCC_A2 %B 2 1 3 !
41: CONST BCC_A2 : PB : VA : !

Example references (2 of 2; assessments first):

FCC_A1 (Lu–Pb)

Names (4): corpus: corpus:phase:lu-pb:fcc-a1
paper: paper:10.1016/j.calphad.2013.01.007:(Pb)
tdb: tdb:LuPb-12Idd.tdb:FCC_A1, tdb:LuPb-13Wan.tdb:FCC_A1

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

LuPb-12Idd.tdb: FCC_A1, type code %A, sha256 33e63b676c5f908f…

40: PHASE FCC_A1 %A 2 1 1 !
41: CONST FCC_A1 : PB : VA : !

LuPb-13Wan.tdb: FCC_A1, type code %A, sha256 602dc6f7866693ae…

35: PHASE FCC_A1 %A 2 1 1 !
36: CONST FCC_A1 : LU PB% : VA : !

Example references (3 of 3; assessments first):

HCP_A3 (Lu–Pb)

Names (5): corpus: corpus:phase:lu-pb:hcp-a3
paper: paper:10.1007/s10973-011-1881-2:(Lu), paper:10.1016/j.calphad.2013.01.007:(Lu)
tdb: tdb:LuPb-12Idd.tdb:HCP_A3, tdb:LuPb-13Wan.tdb:HCP_A3

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

LuPb-12Idd.tdb: HCP_A3, type code %A, sha256 33e63b676c5f908f…

50: PHASE HCP_A3 %A 2 1 0.5 !
51: CONST HCP_A3 : LU% PB : VA : !

LuPb-13Wan.tdb: HCP_A3, type code %A, sha256 602dc6f7866693ae…

45: PHASE HCP_A3 %A 2 1 0.5 !
46: CONST HCP_A3 : LU% PB : VA : !

Example references (3 of 3; assessments first):

LIQUID (Lu–Pb)

Names (5): corpus: corpus:phase:lu-pb:liquid
paper: paper:10.1007/s10973-011-1881-2:Liq, paper:10.1016/j.calphad.2013.01.007:L
tdb: tdb:LuPb-12Idd.tdb:LIQUID, tdb:LuPb-13Wan.tdb:LIQUID

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

LuPb-12Idd.tdb: LIQUID, type code %, sha256 33e63b676c5f908f…

32: PHASE LIQUID:L % 1 1 !
33: CONST LIQUID:L : LU PB : !

LuPb-13Wan.tdb: LIQUID, type code %, sha256 602dc6f7866693ae…

30: PHASE LIQUID:L % 1 1 !
31: CONST LIQUID:L : LU PB : !

Example references (3 of 3; assessments first):

LU5PB3_D88 (Lu–Pb)

Names (7): corpus: corpus:phase:lu-pb:lu5pb3-d88
mp: mp:mp-aaackxxn
oqmd: oqmd:oqmd-30697
paper: paper:10.1007/s10973-011-1881-2:Lu5Pb3, paper:10.1016/j.calphad.2013.01.007:Lu5Pb3
tdb: tdb:LuPb-12Idd.tdb:LU5PB3_D88, tdb:LuPb-13Wan.tdb:LU5PB3_D88

TDB models of LU5PB3_D88 (2): PHASE and CONSTITUENT statements as written

LuPb-12Idd.tdb: LU5PB3_D88, type code %, sha256 33e63b676c5f908f…

55: PHASE LU5PB3_D88 % 2 5 3 !
56: CONST LU5PB3_D88 : LU : PB : !

LuPb-13Wan.tdb: LU5PB3_D88, type code %, sha256 602dc6f7866693ae…

50: PHASE LU5PB3_D88 % 2 5 3 !
51: CONST LU5PB3_D88 : LU : PB : !

Example references (3 of 3; assessments first):

LU5PB4_HT (Lu–Pb)

Names (5): corpus: corpus:phase:lu-pb:lu5pb4-ht
paper: paper:10.1007/s10973-011-1881-2:βLu5Pb4, paper:10.1016/j.calphad.2013.01.007:βLu5Pb4
tdb: tdb:LuPb-12Idd.tdb:LU5PB4_HT, tdb:LuPb-13Wan.tdb:LU5PB4_HT

TDB models of LU5PB4_HT (2): PHASE and CONSTITUENT statements as written

LuPb-12Idd.tdb: LU5PB4_HT, type code %, sha256 33e63b676c5f908f…

65: PHASE LU5PB4_HT % 2 5 4 !
66: CONST LU5PB4_HT : LU : PB : !

LuPb-13Wan.tdb: LU5PB4_HT, type code %, sha256 602dc6f7866693ae…

60: PHASE LU5PB4_HT % 2 5 4 !
61: CONST LU5PB4_HT : LU : PB : !

Example references (3 of 3; assessments first):

LU5PB4_LT (Lu–Pb)

Names (5): corpus: corpus:phase:lu-pb:lu5pb4-lt
paper: paper:10.1007/s10973-011-1881-2:αLu5Pb4, paper:10.1016/j.calphad.2013.01.007:αLu5Pb4
tdb: tdb:LuPb-12Idd.tdb:LU5PB4_LT, tdb:LuPb-13Wan.tdb:LU5PB4_LT

TDB models of LU5PB4_LT (2): PHASE and CONSTITUENT statements as written

LuPb-12Idd.tdb: LU5PB4_LT, type code %, sha256 33e63b676c5f908f…

60: PHASE LU5PB4_LT % 2 5 4 !
61: CONST LU5PB4_LT : LU : PB : !

LuPb-13Wan.tdb: LU5PB4_LT, type code %, sha256 602dc6f7866693ae…

55: PHASE LU5PB4_LT % 2 5 4 !
56: CONST LU5PB4_LT : LU : PB : !

Example references (3 of 3; assessments first):

LU6PB5 (Lu–Pb)

Names (5): corpus: corpus:phase:lu-pb:lu6pb5
paper: paper:10.1007/s10973-011-1881-2:Lu6Pb5, paper:10.1016/j.calphad.2013.01.007:Lu6Pb5
tdb: tdb:LuPb-12Idd.tdb:LU6PB5, tdb:LuPb-13Wan.tdb:LU6PB5

TDB models of LU6PB5 (2): PHASE and CONSTITUENT statements as written

LuPb-12Idd.tdb: LU6PB5, type code %, sha256 33e63b676c5f908f…

70: PHASE LU6PB5 % 2 6 5 !
71: CONST LU6PB5 : LU : PB : !

LuPb-13Wan.tdb: LU6PB5, type code %, sha256 602dc6f7866693ae…

65: PHASE LU6PB5 % 2 6 5 !
66: CONST LU6PB5 : LU : PB : !

Example references (3 of 3; assessments first):

LUPB2 (Lu–Pb)

Names (5): corpus: corpus:phase:lu-pb:lupb2
paper: paper:10.1007/s10973-011-1881-2:LuPb2, paper:10.1016/j.calphad.2013.01.007:LuPb2
tdb: tdb:LuPb-12Idd.tdb:LUPB2, tdb:LuPb-13Wan.tdb:LUPB2

TDB models of LUPB2 (2): PHASE and CONSTITUENT statements as written

LuPb-12Idd.tdb: LUPB2, type code %, sha256 33e63b676c5f908f…

75: PHASE LUPB2 % 2 1 2 !
76: CONST LUPB2 : LU : PB : !

LuPb-13Wan.tdb: LUPB2, type code %, sha256 602dc6f7866693ae…

70: PHASE LUPB2 % 2 1 2 !
71: CONST LUPB2 : LU : PB : !

Example references (3 of 3; assessments first):