Pu–Zn system

40 accepted literature values from 1 paper(s) (experimental 27, model 13); 1 calculated phase diagram(s). 4 further extracted value(s) not accepted by the reader-agreement checks are only in the JSON/CSV.

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

Accepted values by evidence class
Evidence class	Values
experimental	27
model	13

Accepted values by property group
Property group	Values
invariant reaction	40

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 file	Assessment	SHA-256	Links
PuZn-14Liu.tdb	X.J. Liu, Q. He, D. Wang, Y. Lu, M.H. Chen, J.P. Jia, C.P. Wang, J. Nucl. Mater., 453, 169-75(2014). doi:10.1016/j.jnucmat.2014.07.001	`f389f87fc8f23900ab1cb0c5dcac8f7f841a5601e21029f0f74a7594332c9031`	viewer · TDB · JSON

Calculated three-phase invariants (model, mole fraction of the second component)
TDB file	T (K)	Phases at the invariant
PuZn-14Liu.tdb	1163.3	LIQUID (x(Zn) 0.83363) + PU3ZN22 (x(Zn) 0.88) + PU2ZN17 (x(Zn) 0.89474)
PuZn-14Liu.tdb	1163.3	LIQUID (x(Zn) 0.8338) + PU3ZN22 (x(Zn) 0.88) + PU2ZN17 (x(Zn) 0.89474)
PuZn-14Liu.tdb	1163.3	LIQUID (x(Zn) 0.83351) + PU3ZN22 (x(Zn) 0.88) + PU2ZN17 (x(Zn) 0.89474)
PuZn-14Liu.tdb	1146.49	PU13ZN58 (x(Zn) 0.81618) + LIQUID (x(Zn) 0.81644) + PU3ZN22 (x(Zn) 0.88)
PuZn-14Liu.tdb	1146.48	LIQUID (x(Zn) 0.81616) + PU13ZN58 (x(Zn) 0.81617) + PU3ZN22 (x(Zn) 0.88)
PuZn-14Liu.tdb	1104.73	PUZN2_C15 (x(Zn) 0.66667) + LIQUID (x(Zn) 0.74895) + PU13ZN58 (x(Zn) 0.81309)
PuZn-14Liu.tdb	1104.73	PUZN2_C15 (x(Zn) 0.66667) + LIQUID (x(Zn) 0.74875) + PU13ZN58 (x(Zn) 0.81308)
PuZn-14Liu.tdb	1081.09	PU2ZN17 (x(Zn) 0.89474) + PUZN9_HT (x(Zn) 0.9) + LIQUID (x(Zn) 0.97358)
PuZn-14Liu.tdb	1043.01	PUZN9_LT (x(Zn) 0.9) + PUZN9_HT (x(Zn) 0.9) + LIQUID (x(Zn) 0.98259)
PuZn-14Liu.tdb	1043.01	PU2ZN17 (x(Zn) 0.89474) + PUZN9_LT (x(Zn) 0.9) + PUZN9_HT (x(Zn) 0.9)
PuZn-14Liu.tdb	973.06	PUZN9_LT (x(Zn) 0.9) + PUZN9_LAMBDA (x(Zn) 0.905) + LIQUID (x(Zn) 0.99362)
PuZn-14Liu.tdb	968.1	LIQUID (x(Zn) 0.04191) + BCC_A2 (x(Zn) 0.04935) + PUZN2_C15 (x(Zn) 0.66667)
PuZn-14Liu.tdb	763.28	BCC_A2 (x(Zn) 0.03409) + FCC_A1 (x(Zn) 0.03686) + PUZN2_C15 (x(Zn) 0.66667)
PuZn-14Liu.tdb	755.9	BCC_A2 (x(Zn) 0.0035) + TETRAGONAL_A6 (x(Zn) 0.00359) + FCC_A1 (x(Zn) 0.00389)
PuZn-14Liu.tdb	692.68	PUZN9_LAMBDA (x(Zn) 0.905) + HCP_A3 (x(Zn) 1) + LIQUID (x(Zn) 1)
PuZn-14Liu.tdb	513.3	GAMMA_PU (x(Zn) 0) + FCC_A1 (x(Zn) 0.02148) + PUZN2_C15 (x(Zn) 0.66667)
PuZn-14Liu.tdb	487.9	BETA_PU (x(Zn) 0) + GAMMA_PU (x(Zn) 0) + PUZN2_C15 (x(Zn) 0.66667)
PuZn-14Liu.tdb	397.62	BETA_PU (x(Zn) 0) + ALPHA_PU (x(Zn) 0) + PUZN2_C15 (x(Zn) 0.66667)

Convex hulls: Materials Project DFT hull · OQMD DFT hull

Invariant reactions (literature)

Invariant reactions reported in the literature for the Pu–Zn system (40)
T (K)	Reaction / phases	Compositions (mole fraction)	Class	Source	Location
1208.15	congruent melting: L ↔ PuZn2	L: Zn 0.667; PuZn2: Zn 0.667	experimental	[1] Liu 2014 cites Massalski 1990	Table 4, p. 4, row 1 report
1208.15	congruent melting: L ↔ PuZn2	L: Zn 0.667; PuZn2: Zn 0.667	experimental	[1] Liu 2014 cites Albrecht 1964 doi	Table 4, p. 4, row 2 report
1204.15	congruent melting: L ↔ PuZn2	L: Zn 0.667; PuZn2: Zn 0.667	model	[1] Liu 2014	Table 4, p. 4, row 3 report
1201.15	congruent melting: L ↔ Pu2Zn17	L: Zn 0.895; Pu2Zn17: Zn 0.895	experimental	[1] Liu 2014 cites Cramer 1967 doi	Table 4, p. 4, row 5 report
1201.15	congruent melting: L ↔ Pu2Zn17	L: Zn 0.895; Pu2Zn17: Zn 0.895	model	[1] Liu 2014	Table 4, p. 4, row 6 report
1201.15	congruent melting: L ↔ Pu2Zn17	L: Zn 0.895; Pu2Zn17: Zn 0.895	experimental	[1] Liu 2014 cites Massalski 1990	Table 4, p. 4, row 4 report
1163.15	peritectic: L + Pu2Zn17 ↔ Pu3Zn22	Pu2Zn17: Zn 0.895; Pu3Zn22: Pu 0.12, Zn 0.88	experimental	[1] Liu 2014 cites Cramer 1967 doi	Table 4, p. 4, row 27 report
1163.15	peritectic: L + Pu2Zn17 ↔ Pu3Zn22	L: Zn 0.84; Pu2Zn17: Zn 0.895; Pu3Zn22: Zn 0.88	experimental	[1] Liu 2014 cites Massalski 1990	Table 4, p. 4, row 26 report
1163.15	peritectic: L + Pu2Zn17 ↔ Pu3Zn22	L: Zn 0.834; Pu2Zn17: Zn 0.895; Pu3Zn22: Zn 0.88	model	[1] Liu 2014	Table 4, p. 4, row 28 report
1152.15	peritectic: L + Pu3Zn22 ↔ Pu13Zn58	L: Zn 0.817; Pu3Zn22: Pu 0.12, Zn 0.88; Pu13Zn58: Pu 0.183099, Zn 0.816901	experimental	[1] Liu 2014 cites Cramer 1967 doi	Table 4, p. 4, row 30 report
1152.15	peritectic: L + Pu3Zn22 ↔ Pu13Zn58	L: Zn 0.816; Pu3Zn22: Zn 0.88; Pu13Zn58: Zn 0.817	experimental	[1] Liu 2014 cites Massalski 1990	Table 4, p. 4, row 29 report
1146.15	peritectic: L + Pu3Zn22 ↔ Pu13Zn58	L: Zn 0.816; Pu3Zn22: Zn 0.88; Pu13Zn58: Zn 0.816	model	[1] Liu 2014	Table 4, p. 4, row 31 report
1104.15	eutectic: L ↔ PuZn2 + Pu13Zn58	L: Zn 0.749; PuZn2: Zn 0.667; Pu13Zn58: Zn 0.813	model	[1] Liu 2014	Table 4, p. 4, row 18 report
1103.15	eutectic: L ↔ PuZn2 + Pu13Zn58	L: Zn 0.74; PuZn2: Zn 0.667; Pu13Zn58: Pu 0.183099, Zn 0.816901	experimental	[1] Liu 2014 cites Cramer 1960	Table 4, p. 4, row 14 report
1103.15	eutectic: L ↔ PuZn2 + Pu13Zn58	L: Zn 0.74; PuZn2: Zn 0.667; Pu13Zn58: Pu 0.183099, Zn 0.816901	experimental	[1] Liu 2014 cites Albrecht 1964 doi	Table 4, p. 4, row 16 report
1100.15	eutectic: L ↔ PuZn2 + Pu13Zn58	PuZn2: Pu 0.333333, Zn 0.666667; Pu13Zn58: Pu 0.183099, Zn 0.816901	experimental	[1] Liu 2014 cites Cramer 1967 doi	Table 4, p. 4, row 17 report
1100.15	eutectic: L ↔ PuZn2 + Pu13Zn58	L: Zn 0.74; PuZn2: Zn 0.667; Pu13Zn58: Zn 0.807	experimental	[1] Liu 2014 cites Massalski 1990	Table 4, p. 4, row 15 report
1085.15	peritectic: L + Pu2Zn17 ↔ κ	Pu2Zn17: Zn 0.895; κ: Pu 0.1, Zn 0.9	experimental	[1] Liu 2014 cites Cramer 1967 doi	Table 4, p. 4, row 33 report
1085.15	peritectic: L + Pu2Zn17 ↔ κ	L: Zn 0.972; Pu2Zn17: Zn 0.895; κ: Zn 0.9	model	[1] Liu 2014	Table 4, p. 4, row 34 report
1085.15	peritectic: L + Pu2Zn17 ↔ κ	L: Zn 0.967; Pu2Zn17: Zn 0.895; κ: Zn 0.9	experimental	[1] Liu 2014 cites Massalski 1990	Table 4, p. 4, row 32 report
1043.15	polymorphic: κ ↔ κ′	κ: Zn 0.9; κ′: Pu 0.1, Zn 0.9	experimental	[1] Liu 2014 cites Massalski 1990	Table 4, p. 4, row 7 report
1043.15	polymorphic: κ ↔ κ′	κ: Pu 0.1, Zn 0.9; κ′: Pu 0.1, Zn 0.9	experimental	[1] Liu 2014 cites Cramer 1967 doi	Table 4, p. 4, row 8 report
1043.15	polymorphic: κ ↔ κ′	κ: Zn 0.9; κ′: Pu 0.1, Zn 0.9	model	[1] Liu 2014	Table 4, p. 4, row 9 report
973.15	peritectic: L + κ′ ↔ λ	L: Zn 0.994; κ′: Zn 0.9; λ: Zn 0.905	model	[1] Liu 2014	Table 4, p. 4, row 37 report
973.15	peritectic: L + κ′ ↔ λ	κ′: Pu 0.1, Zn 0.9; λ: Pu 0.095, Zn 0.905	experimental	[1] Liu 2014 cites Cramer 1967 doi	Table 4, p. 4, row 36 report
973.15	peritectic: L + κ′ ↔ λ	L: Zn 0.987; κ′: Zn 0.9; λ: Zn 0.905	experimental	[1] Liu 2014 cites Massalski 1990	Table 4, p. 4, row 35 report
968.15	peritectic: L + PuZn2 ↔ (εPu)	L: Zn 0.042; PuZn2: Zn 0.667; (εPu): Zn 0.049	model	[1] Liu 2014	Table 4, p. 4, row 40 report
968.15	peritectic: L + PuZn2 ↔ (εPu)	L: Zn 0.012; PuZn2: Zn 0.667; (εPu): Zn 0.04	experimental	[1] Liu 2014 cites Massalski 1990	Table 4, p. 4, row 39 report
968.15	peritectic: L + PuZn2 ↔ (εPu)	PuZn2: Pu 0.333333, Zn 0.666667	experimental	[1] Liu 2014 cites Cramer 1960	Table 4, p. 4, row 38 report
763.15	peritectoid: PuZn2 + (εPu) ↔ (δPu)	PuZn2: Zn 0.667; (εPu): Zn 0.009; (δPu): Zn 0.04	experimental	[1] Liu 2014 cites Massalski 1990	Table 4, p. 4, row 42 report
763.15	peritectoid: PuZn2 + (εPu) ↔ (δPu)	PuZn2: Zn 0.667; (εPu): Zn 0.034; (δPu): Zn 0.037	model	[1] Liu 2014	Table 4, p. 4, row 43 report
763.15	peritectoid: PuZn2 + (εPu) ↔ (δPu)	PuZn2: Pu 0.333333, Zn 0.666667	experimental	[1] Liu 2014 cites Cramer 1960	Table 4, p. 4, row 41 report
756.15	peritectoid: (εPu) + (δPu) ↔ (δ′Pu)	(εPu): Zn 0.003; (δPu): Zn 0.004	model	[1] Liu 2014	Table 4, p. 4, row 44 report
693.15	eutectic: L ↔ λ + (Zn)	L: Zn 1; λ: Zn 0.905; (Zn): Zn 1	model	[1] Liu 2014	Table 4, p. 4, row 22 report
693.15	eutectic: L ↔ λ + (Zn)	λ: Pu 0.095, Zn 0.905	experimental	[1] Liu 2014 cites Cramer 1967 doi	Table 4, p. 4, row 21 report
693.15	eutectic: L ↔ λ + (Zn)	L: Zn 1; λ: Zn 0.905; (Zn): Zn 1	experimental	[1] Liu 2014 cites Massalski 1990	Table 4, p. 4, row 19 report
692.15	eutectic: L ↔ λ + (Zn)	λ: Pu 0.095, Zn 0.905	experimental	[1] Liu 2014 cites Albrecht 1964 doi	Table 4, p. 4, row 20 report
513.15	eutectoid: (δPu) ↔ PuZn2 + (γPu)	(δPu): Zn 0.019; PuZn2: Zn 0.667; (γPu): Zn 0.001	experimental	[1] Liu 2014 cites Massalski 1990	Table 4, p. 4, row 24 report
513.15	eutectoid: (δPu) ↔ PuZn2 + (γPu)	(δPu): Zn 0.018; PuZn2: Pu 0.333333, Zn 0.666667	experimental	[1] Liu 2014 cites Cramer 1960	Table 4, p. 4, row 23 report
513.15	eutectoid: (δPu) ↔ PuZn2 + (γPu)	(δPu): Zn 0.021; PuZn2: Zn 0.667; (γPu): Zn 0	model	[1] Liu 2014	Table 4, p. 4, row 25 report

Sources

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

X.J. Liu, Q. He, D. Wang, Y. Lu, M.H. Chen, J.P. Jia et al., Thermodynamic assessments of the Pu–Zn and La–Pu systems, Journal of Nuclear Materials 453, 169-175 (2014). doi:10.1016/j.jnucmat.2014.07.001

Please cite

R. Arróyave, J. Saal, D. Shin, ORCHID-Values: thermodynamic and phase-equilibrium values read from the literature (version 2026.10; Version 1, machine-extracted), Zenodo (2026). doi:10.5281/zenodo.23735569
R. Arróyave, J. Saal, D. Shin, ORCHID-Diagrams: calculated binary phase diagrams (version 2026.10), Zenodo (2026). doi:10.5281/zenodo.23735859
R. Arróyave, J. Saal, D. Shin, ORCHID-Hulls: binary convex hulls (Materials Project, OQMD, assessed CALPHAD) (version 2026.10), Zenodo (2026). doi:10.5281/zenodo.23735891
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 the original source of every value you use (paper_citation / paper_doi, and cited_dois for values the paper cites from earlier work); 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). 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_literature_2026,
  author    = {Arr{\'o}yave, Raymundo and Saal, James and Shin, Dongwon},
  title     = {{ORCHID-Values: thermodynamic and phase-equilibrium values read from the literature}},
  version   = {2026.10},
  publisher = {Zenodo},
  year      = {2026},
  doi       = {10.5281/zenodo.23735569},
  url       = {https://doi.org/10.5281/zenodo.23735569},
  note      = {Version 1, machine-extracted}
}

@misc{orchid_phase_diagrams_2026,
  author    = {Arr{\'o}yave, Raymundo and Saal, James and Shin, Dongwon},
  title     = {{ORCHID-Diagrams: calculated binary phase diagrams}},
  version   = {2026.10},
  publisher = {Zenodo},
  year      = {2026},
  doi       = {10.5281/zenodo.23735859},
  url       = {https://doi.org/10.5281/zenodo.23735859}
}

@misc{orchid_hulls_2026,
  author    = {Arr{\'o}yave, Raymundo and Saal, James and Shin, Dongwon},
  title     = {{ORCHID-Hulls: binary convex hulls (Materials Project, OQMD, assessed CALPHAD)}},
  version   = {2026.10},
  publisher = {Zenodo},
  year      = {2026},
  doi       = {10.5281/zenodo.23735891},
  url       = {https://doi.org/10.5281/zenodo.23735891}
}

@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}
}