Pd–Y system

66 accepted literature values from 2 paper(s) (experimental 18, model 48); 1 calculated phase diagram(s).

Data: JSON · CSV · interactive explorer · interactive phase diagram · phases (15) · papers (bibliography) · Markdown

Accepted values by evidence class
Evidence classValues
experimental18
model48
Accepted values by property group
Property groupValues
invariant reaction26
phase transition10
formation28
mixing / partial2

Calculated phase diagrams

Binary phase diagrams calculated with pycalphad 0.11.2 from the SGTE binary collection (Hallstedt 2025, CC BY 4.0). Evidence class: model.

Assessments with a calculated phase diagram
TDB fileAssessmentSHA-256Links
PdY-00Du.tdbZ. Du, H. Yang, C. Li, J. Alloys Compd., 297, 185-91(2000). doi:10.1016/S0925-8388(99)00582-4d90b41729a78d724a3681a2acc17a09875ad34889671887a107f47222af6a072viewer · TDB · JSON
Calculated three-phase invariants (model, mole fraction of the second component)
TDB fileT (K)Phases at the invariant
PdY-00Du.tdb1751.15LIQUID (x(Y) 0.98206) + HCP_A3 (x(Y) 1) + BCC_A2 (x(Y) 1)
PdY-00Du.tdb1653.06PD4Y3 (x(Y) 0.42857) + LIQUID (x(Y) 0.45344) + PDY_B2 (x(Y) 0.5)
PdY-00Du.tdb1653.06PD4Y3 (x(Y) 0.42857) + LIQUID (x(Y) 0.45336) + PDY_B2 (x(Y) 0.5)
PdY-00Du.tdb1577.1PD3Y_L12 (x(Y) 0.25) + PD2Y (x(Y) 0.33333) + LIQUID (x(Y) 0.34845)
PdY-00Du.tdb1577.1PD3Y_L12 (x(Y) 0.25) + PD2Y (x(Y) 0.33333) + LIQUID (x(Y) 0.34836)
PdY-00Du.tdb1546.25LIQUID (x(Y) 0.37822) + PD3Y2_HT (x(Y) 0.4) + PD4Y3 (x(Y) 0.42857)
PdY-00Du.tdb1546.25LIQUID (x(Y) 0.37829) + PD3Y2_HT (x(Y) 0.4) + PD4Y3 (x(Y) 0.42857)
PdY-00Du.tdb1516.51PD2Y (x(Y) 0.33333) + LIQUID (x(Y) 0.36927) + PD3Y2_HT (x(Y) 0.4)
PdY-00Du.tdb1516.51PD2Y (x(Y) 0.33333) + LIQUID (x(Y) 0.3693) + PD3Y2_HT (x(Y) 0.4)
PdY-00Du.tdb1516.51PD2Y (x(Y) 0.33333) + LIQUID (x(Y) 0.36923) + PD3Y2_HT (x(Y) 0.4)
PdY-00Du.tdb1476.84FCC_A1 (x(Y) 0.12567) + LIQUID (x(Y) 0.14359) + PD3Y_L12 (x(Y) 0.20315)
PdY-00Du.tdb1317.74PD3Y2_HT (x(Y) 0.4) + PD3Y2_LT (x(Y) 0.4) + PD4Y3 (x(Y) 0.42857)
PdY-00Du.tdb1317.74PD2Y (x(Y) 0.33333) + PD3Y2_LT (x(Y) 0.4) + PD3Y2_HT (x(Y) 0.4)
PdY-00Du.tdb1232.82PDY_B2 (x(Y) 0.5016) + PD2Y3 (x(Y) 0.6) + LIQUID (x(Y) 0.63856)
PdY-00Du.tdb1182.99LIQUID (x(Y) 0.74009) + PDY3_D011 (x(Y) 0.75) + HCP_A3 (x(Y) 1)
PdY-00Du.tdb1182.94PD2Y5 (x(Y) 0.71429) + LIQUID (x(Y) 0.7396) + PDY3_D011 (x(Y) 0.75)
PdY-00Du.tdb1181.97PD2Y3 (x(Y) 0.6) + LIQUID (x(Y) 0.68798) + PD2Y5 (x(Y) 0.71429)
PdY-00Du.tdb1173.65PDY_B2 (x(Y) 0.50065) + PDY_B33 (x(Y) 0.50099) + PD2Y3 (x(Y) 0.6)
PdY-00Du.tdb1173.65PDY_B2 (x(Y) 0.50065) + PDY_B33 (x(Y) 0.50099) + PD2Y3 (x(Y) 0.6)
PdY-00Du.tdb1143.46PD4Y3 (x(Y) 0.42857) + PDY_B33 (x(Y) 0.5) + PDY_B2 (x(Y) 0.5)
PdY-00Du.tdb777.05FCC_A1 (x(Y) 0.1145) + PD7Y (x(Y) 0.125) + PD3Y_L12 (x(Y) 0.20821)
PdY-00Du.tdb777.05FCC_A1 (x(Y) 0.1145) + PD7Y (x(Y) 0.125) + PD3Y_L12 (x(Y) 0.20821)

Convex hulls: Materials Project DFT hull · OQMD DFT hull

Invariant reactions (literature)

Invariant reactions reported in the literature for the Pd–Y system (26)
T (K)Reaction / phasesCompositions (mole fraction)ClassSourceLocationQuote
1752Liq.+b.c.c.(Y)->h.c.p.(Y)Liq.: Y 0.9808; b.c.c.(Y): Y 1; h.c.p.(Y): Y 1model[1] Du 2000Table 2, p. 5, row 1
report
1751Liq.+b.c.c.(Y)->h.c.p.(Y)Liq.: Y 0.98; b.c.c.(Y): Y 1; h.c.p.(Y): Y 1experimental[1] Du 2000
cites Loebich 1973 doi
Table 2, p. 5, row 2
report
1658eutectic: Liq.->βPdY+Pd4Y3Liq.: Y 0.47; βPdY: Y 0.51; Pd4Y3: Y 0.428571experimental[1] Du 2000
cites Loebich 1973 doi
Table 2, p. 5, row 16
report
1655eutectic: Liq.->βPdY+Pd4Y3Liq.: Y 0.4535; βPdY: Y 0.5; Pd4Y3: Y 0.428571model[1] Du 2000Table 2, p. 5, row 15
report
1579Liq.+Pd3Y->Pd2YLiq.: Y 0.3484; Pd3Y: Y 0.25; Pd2Y: Y 0.333333model[1] Du 2000Table 2, p. 5, row 23
report
1578Liq.+Pd3Y->Pd2YLiq.: Y 0.34; Pd3Y: Y 0.25; Pd2Y: Y 0.333333experimental[1] Du 2000
cites Loebich 1973 doi
Table 2, p. 5, row 24
report
1548Liq.+Pd4Y3->βPd3Y2Liq.: Y 0.3782; Pd4Y3: Y 0.428571; βPd3Y2: Y 0.4model[1] Du 2000Table 2, p. 5, row 19
report
1547Liq.+Pd4Y3->βPd3Y2Liq.: Y 0.38; Pd4Y3: Y 0.428571; βPd3Y2: Y 0.4experimental[1] Du 2000
cites Loebich 1973 doi
Table 2, p. 5, row 20
report
1518eutectic: Liq.->βPd3Y2+Pd2YLiq.: Y 0.37; βPd3Y2: Y 0.4; Pd2Y: Y 0.333333experimental[1] Du 2000
cites Loebich 1973 doi
Table 2, p. 5, row 22
report
1518eutectic: Liq.->βPd3Y2+Pd2YLiq.: Y 0.3692; βPd3Y2: Y 0.4; Pd2Y: Y 0.333333model[1] Du 2000Table 2, p. 5, row 21
report
1478eutectic: Liq.->Pd3Y+f.c.c.(Pd)Liq.: Y 0.15; Pd3Y: Y 0.205; f.c.c.(Pd): Y 0.13experimental[1] Du 2000
cites Loebich 1973 doi
Table 2, p. 5, row 28
report
1478eutectic: Liq.->Pd3Y+f.c.c.(Pd)Liq.: Y 0.1436; Pd3Y: Y 0.2031; f.c.c.(Pd): Y 0.1257model[1] Du 2000Table 2, p. 5, row 27
report
1233Liq.+βPdY->Pd2Y3Liq.: Y 0.66; βPdY: Y 0.52; Pd2Y3: Y 0.6experimental[1] Du 2000
cites Loebich 1973 doi
Table 2, p. 5, row 12
report
1232Liq.+βPdY->Pd2Y3Liq.: Y 0.6384; βPdY: Y 0.5016; Pd2Y3: Y 0.6model[1] Du 2000Table 2, p. 5, row 11
report
1181Liq.+h.c.p.(Y)->PdY3Liq.: Y 0.745; h.c.p.(Y): Y 1; PdY3: Y 0.75experimental[1] Du 2000
cites Loebich 1973 doi
Table 2, p. 5, row 4
report
1181eutectic: Liq.->Pd2Y5+PdY3Liq.: Y 0.7397; Pd2Y5: Y 0.714286; PdY3: Y 0.75model[1] Du 2000Table 2, p. 5, row 5
report
1181Liq.+h.c.p.(Y)->PdY3Liq.: Y 0.7405; h.c.p.(Y): Y 1; PdY3: Y 0.75model[1] Du 2000Table 2, p. 5, row 3
report
1180eutectic: Liq.->Pd2Y5+Pd2Y3Liq.: Y 0.688; Pd2Y5: Y 0.714286; Pd2Y3: Y 0.6model[1] Du 2000Table 2, p. 5, row 9
report
1176eutectic: Liq.->Pd2Y5+Pd2Y3Liq.: Y 0.7; Pd2Y5: Y 0.714286; Pd2Y3: Y 0.6experimental[1] Du 2000
cites Loebich 1973 doi
Table 2, p. 5, row 10
report
1173βPdY+Pd2Y3->αPdYβPdY: Y 0.5006; Pd2Y3: Y 0.6; αPdY: Y 0.501model[1] Du 2000Table 2, p. 5, row 33
report
1173βPdY+Pd2Y3->αPdYβPdY: Y 0.52; Pd2Y3: Y 0.6; αPdY: Y 0.52experimental[1] Du 2000
cites Loebich 1973 doi
Table 2, p. 5, row 34
report
1168eutectic: Liq.->Pd2Y5+PdY3Liq.: Y 0.73; Pd2Y5: Y 0.714286; PdY3: Y 0.75experimental[1] Du 2000
cites Loebich 1973 doi
Table 2, p. 5, row 6
report
1143βPdY->Pd4Y3+αPdYβPdY: Y 0.5; Pd4Y3: Y 0.428571; αPdY: Y 0.5model[1] Du 2000Table 2, p. 5, row 35
report
1143βPdY->Pd4Y3+αPdYβPdY: Y 0.51; Pd4Y3: Y 0.428571; αPdY: Y 0.51experimental[1] Du 2000
cites Loebich 1973 doi
Table 2, p. 5, row 36
report
777F.c.c.(Pd)+Pd3Y->Pd7YF.c.c.(Pd): Y 0.1145; Pd3Y: Y 0.2082; Pd7Y: Y 0.125model[1] Du 2000Table 2, p. 5, row 29
report
777F.c.c.(Pd)+Pd3Y->Pd7YF.c.c.(Pd): Y 0.105; Pd3Y: Y 0.21; Pd7Y: Y 0.125experimental[1] Du 2000
cites Loebich 1973 doi
Table 2, p. 5, row 30
report

Formation enthalpies

Literature values in kJ/mol-atom where the per-atom basis is known. DFT columns: the lowest-energy entry at the same composition (Materials Project 2026.04.13, OQMD v1.8; different energy references, never averaged), from dft_parity.json.

Enthalpies of formation, Pd–Y system (10)
PhaseCompoundValueT (K)ClassMP DFT (kJ/mol-atom)OQMD DFT (kJ/mol-atom)SourceLocationQuote
Pd2YPd2Y-94.33 kJ/mol-atom298.15model-58.096 (mp-aaacimin)-77.774 (oqmd-1435845)[2] Kardellass 2020
cites Du 2000 doi
Table 3, p. 5, row 60
report
Pd2Y5-68.548 kJ/mol-atom298.15model[2] Kardellass 2020
cites Du 2000 doi
Table 3, p. 5, row 12
report
Pd3YPd3Y-96.08 kJ/mol-atom298.15model-83.156 (mp-aaaaaavn)-82.911 (oqmd-17986)[2] Kardellass 2020
cites Du 2000 doi
Table 3, p. 5, row 2
report
Pd3YPd3Y-58.188 kJ/mol-atom298.15model-83.156 (mp-aaaaaavn)-82.911 (oqmd-17986)[2] Kardellass 2020
cites Du 2000 doi
Table 3, p. 5, row 72
report
Pd4Y3Pd4Y3-92.3 kJ/mol-atom298.15model-89.218 (mp-aaackveh)-89.174 (oqmd-1437089)[2] Kardellass 2020
cites Du 2000 doi
Table 3, p. 5, row 35
report
Pd7RE-58.188 kJ/mol-atom298.15model[2] Kardellass 2020
cites Du 2000 doi
Table 3, p. 6, row 6
report
Pd7Y-58.188 kJ/mol-atom298.15model[2] Kardellass 2020
cites Du 2000 doi
Table 3, p. 5, row 72
report
PdRE3-62.254 kJ/mol-atom298.15model[2] Kardellass 2020
cites Du 2000 doi
Table 3, p. 6, row 1
report
PdYPdY-90.583 kJ/mol-atom298.15model-87.841 (mp-aaacirdg)-88.327 (oqmd-1366850)[2] Kardellass 2020
cites Du 2000 doi
Table 3, p. 5, row 22
report
PdY3PdY3-62.254 kJ/mol-atom298.15model-45.639 (mp-aaacqsqz)-45.911 (oqmd-1437344)[2] Kardellass 2020
cites Du 2000 doi
Table 3, p. 5, row 67
report

Other properties

Phase transition (10)

Phase transition, Pd–Y system
PropertyValueT (K)Phases / compositionClassSourceLocationQuote
Phase transition1185 K1185Liq.->Pd2Y5
Liq.: Y 0.714286; Pd2Y5: Y 0.714286
model[1] Du 2000Table 2, p. 5, row 7
report
Phase transition1188 K1188Liq.->Pd2Y5
Liq.: Y 0.714286; Pd2Y5: Y 0.714286
experimental[1] Du 2000
cites Loebich 1973 doi
Table 2, p. 5, row 8
report
Phase transition1318 K1318αPd3Y2->βPd3Y2
αPd3Y2: Y 0.4; βPd3Y2: Y 0.4
model[1] Du 2000Table 2, p. 5, row 31
report
Phase transition1318 K1318αPd3Y2->βPd3Y2
αPd3Y2: Y 0.4; βPd3Y2: Y 0.4
experimental[1] Du 2000
cites Loebich 1973 doi
Table 2, p. 5, row 32
report
Phase transition1683 K1683Liq.->Pd4Y3
Liq.: Y 0.428571; Pd4Y3: Y 0.428571
experimental[1] Du 2000
cites Loebich 1973 doi
Table 2, p. 5, row 18
report
Phase transition1684 K1684Liq.->Pd4Y3
Liq.: Y 0.428571; Pd4Y3: Y 0.428571
model[1] Du 2000Table 2, p. 5, row 17
report
Phase transition1723 K1723Liq.->βPdY
Liq.: Y 0.5; βPdY: Y 0.5
experimental[1] Du 2000
cites Loebich 1973 doi
Table 2, p. 5, row 14
report
Phase transition1724 K1724Liq.->βPdY
Liq.: Y 0.4985; βPdY: Y 0.5
model[1] Du 2000Table 2, p. 5, row 13
report
Phase transition1973 K1973Liq.->Pd3Y
Liq.: Y 0.25; Pd3Y: Y 0.25
experimental[1] Du 2000
cites Loebich 1973 doi
Table 2, p. 5, row 26
report
Phase transition1973 K1973Liq.->Pd3Y
Liq.: Y 0.249; Pd3Y: Y 0.25
model[1] Du 2000Table 2, p. 5, row 25
report

Formation (18)

Formation, Pd–Y system
PropertyValueT (K)Phases / compositionClassSourceLocationQuote
Entropy of formation
printed: ΔfS
8.189 J/mol-atom/K298.15Pd2Y
alloy: Pd 0.666667, Y 0.333333
model[2] Kardellass 2020
cites Du 2000 doi
Table 3, p. 5, row 60
report
Entropy of formation
printed: ΔfS
13.686 J/mol-atom/K298.15Pd2Y5
alloy: Pd 0.285714, Y 0.714286
model[2] Kardellass 2020
cites Du 2000 doi
Table 3, p. 5, row 12
report
Entropy of formation
printed: ΔfS
12.943 J/mol-atom/K298.15Pd3Y
alloy: Pd 0.75, Y 0.25
model[2] Kardellass 2020
cites Du 2000 doi
Table 3, p. 5, row 72
report
Entropy of formation
printed: ΔfS
12.51 J/mol-atom/K298.15Pd3Y
alloy: Pd 0.75, Y 0.25
model[2] Kardellass 2020
cites Du 2000 doi
Table 3, p. 5, row 2
report
Entropy of formation4.396 J/mol-atom/K298.15Pd4Y3
alloy: Pd 0.571429, Y 0.428571
model[2] Kardellass 2020
cites Du 2000 doi
Table 3, p. 5, row 35
report
Entropy of formation
printed: Entropies of formation
12.943 J/mol-atom/K298.15Pd7RE
alloy: Pd 0.875, Y 0.125
model[2] Kardellass 2020
cites Du 2000 doi
Table 3, p. 6, row 6
report
Entropy of formation12.943 J/mol-atom/K298.15Pd7Y
alloy: Pd 0.875, Y 0.125
model[2] Kardellass 2020
cites Du 2000 doi
Table 3, p. 5, row 72
report
Entropy of formation
printed: Entropies of formation
13.89 J/mol-atom/K298.15PdRE3
alloy: Pd 0.25, Y 0.75
model[2] Kardellass 2020
cites Du 2000 doi
Table 3, p. 6, row 1
report
Entropy of formation4.145 J/mol-atom/K298.15PdY
alloy: Pd 0.5, Y 0.5
model[2] Kardellass 2020
cites Du 2000 doi
Table 3, p. 5, row 22
report
Entropy of formation
printed: ΔfS
13.89 J/mol-atom/K298.15PdY3
alloy: Pd 0.25, Y 0.75
model[2] Kardellass 2020
cites Du 2000 doi
Table 3, p. 5, row 67
report
Gibbs energy of formation
printed: Gibbs free energy of formation
-96.7716 kJ/mol-atom298.15Pd2Y
alloy: Pd 0.666667, Y 0.333333
model[2] Kardellass 2020
cites Du 2000 doi
Table 3, p. 5, row 60
report
Gibbs energy of formation
printed: ΔfG
-72.6285 kJ/mol-atom298.15Pd2Y5
alloy: Pd 0.285714, Y 0.714286
model[2] Kardellass 2020
cites Du 2000 doi
Table 3, p. 5, row 12
report
Gibbs energy of formation
printed: ΔfG
-62.047 kJ/mol-atom298.15Pd3Y
alloy: Pd 0.75, Y 0.25
model[2] Kardellass 2020
cites Du 2000 doi
Table 3, p. 5, row 72
report
Gibbs energy of formation
printed: ΔfG
-99.8098 kJ/mol-atom298.15Pd3Y
alloy: Pd 0.75, Y 0.25
model[2] Kardellass 2020
cites Du 2000 doi
Table 3, p. 5, row 2
report
Gibbs energy of formation
printed: Gibbs free energy of formation
-93.6107 kJ/mol-atom298.15Pd4Y3
alloy: Pd 0.571429, Y 0.428571
model[2] Kardellass 2020
cites Du 2000 doi
Table 3, p. 5, row 35
report
Gibbs energy of formation
printed: Gibbs free energy of formation
-62.047 kJ/mol-atom298.15Pd7Y
alloy: Pd 0.875, Y 0.125
model[2] Kardellass 2020
cites Du 2000 doi
Table 3, p. 5, row 72
report
Gibbs energy of formation
printed: Gibbs free energy of formation
-91.8188 kJ/mol-atom298.15PdY
alloy: Pd 0.5, Y 0.5
model[2] Kardellass 2020
cites Du 2000 doi
Table 3, p. 5, row 22
report
Gibbs energy of formation
printed: Gibbs free energy of formation
-66.3953 kJ/mol-atom298.15PdY3
alloy: Pd 0.25, Y 0.75
model[2] Kardellass 2020
cites Du 2000 doi
Table 3, p. 5, row 67
report

Mixing / partial (2)

Mixing / partial, Pd–Y system
PropertyValueT (K)Phases / compositionClassSourceLocationQuote
Gibbs energy of mixing
printed: Gibbs free Energies
-62.047 kJ/mol-atom298.15Pd7RE
alloy: Pd 0.875, Y 0.125
model[2] Kardellass 2020
cites Du 2000 doi
Table 3, p. 6, row 6
report
Gibbs energy of mixing
printed: Gibbs free Energies
-66.3953 kJ/mol-atom298.15PdY3
alloy: Pd 0.25, Y 0.75
model[2] Kardellass 2020
cites Du 2000 doi
Table 3, p. 6, row 1
report

Sources

Reporting papers the values were read from (a value cited from another work names that work in its row).

  1. Z. Du, H. Yang, C. Li, Thermodynamic modeling of the Pd–Y system, Journal of Alloys and Compounds 297, 185-191 (2000). doi:10.1016/s0925-8388(99)00582-4
  2. Said Kardellass, Colette Servant, Isabelle Drouelle, Fatima Zahra Chrifi-Alaoui, Mohamed Idbenali, Alyen Abahazem et al., Calphad-type assessment of the Pd-Yb binary system supported by first-principles calculations – Part II: Results, Materials Today: Proceedings 24, 140-150 (2020). doi:10.1016/j.matpr.2019.08.196