H–Nb–Zr system

14 accepted literature values from 1 paper(s) (experimental 14); 0 calculated phase diagram(s).

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Accepted values by evidence class
Evidence class	Values
experimental	14

Accepted values by property group
Property group	Values
crystal structure	14

Other properties

Crystal structure (14)

Crystal structure, H–Nb–Zr system
Property	Value	T (K)	Phases / composition	Class	Source	Location
Lattice a	3.4906 not_printed ± 3.000e-4	703.15	ε-ZrH2 alloy: H 0, Nb 0.18, Zr 0.82	experimental	[1] Dottor 2023	Table 2, p. 5, row 7 report
Lattice a	3.2498 not_printed ± 5.000e-4	1023.15	γ-ZrH alloy: H 0, Nb 0.01, Zr 0.99	experimental	[1] Dottor 2023	Table 2, p. 5, row 14 report
Lattice a	3.2547 not_printed ± 6.000e-4	1023.15	γ-ZrH alloy: H 0, Nb 0.05, Zr 0.95	experimental	[1] Dottor 2023	Table 2, p. 5, row 9 report
Lattice a	4.7849 not_printed ± 0.0018	1023.15	δ-ZrH2-x alloy: H 0, Nb 0.18, Zr 0.82	experimental	[1] Dottor 2023	Table 2, p. 5, row 4 report
Lattice a	4.7805 not_printed ± 5.000e-4	1023.15	δ-ZrH2-x alloy: H 0, Nb 0.01, Zr 0.99	experimental	[1] Dottor 2023	Table 2, p. 5, row 13 report
Lattice a	4.7808 not_printed ± 4.000e-4	1023.15	δ-ZrH2-x alloy: H 0, Nb 0.05, Zr 0.95	experimental	[1] Dottor 2023	Table 2, p. 5, row 8 report
Lattice a	4.7804 not_printed ± 7.000e-4	1023.15	δ-ZrH2-x alloy: H 0, Nb 0.05, Zr 0.95	experimental	[1] Dottor 2023	Table 2, p. 5, row 12 report
Lattice a	3.4795 not_printed ± 0.0014	1023.15	ε-ZrH2 alloy: H 0, Nb 0.18, Zr 0.82	experimental	[1] Dottor 2023	Table 2, p. 5, row 5 report
Lattice a	3.5156 not_printed ± 5.000e-4	1123.15	ε-ZrH2 alloy: H 0, Nb 0.01, Zr 0.99	experimental	[1] Dottor 2023	Table 2, p. 5, row 16 report
Lattice c	4.3471 not_printed ± 4.000e-4	703.15	ε-ZrH2 alloy: H 0, Nb 0.18, Zr 0.82	experimental	[1] Dottor 2023	Table 2, p. 5, row 7 report
Lattice c	4.9711 not_printed ± 0.0012	1023.15	γ-ZrH alloy: H 0, Nb 0.01, Zr 0.99	experimental	[1] Dottor 2023	Table 2, p. 5, row 14 report
Lattice c	4.9649 not_printed ± 0.0018	1023.15	γ-ZrH alloy: H 0, Nb 0.05, Zr 0.95	experimental	[1] Dottor 2023	Table 2, p. 5, row 9 report
Lattice c	4.528 not_printed ± 0.0026	1023.15	ε-ZrH2 alloy: H 0, Nb 0.18, Zr 0.82	experimental	[1] Dottor 2023	Table 2, p. 5, row 5 report
Lattice c	4.4674 not_printed ± 8.000e-4	1123.15	ε-ZrH2 alloy: H 0, Nb 0.01, Zr 0.99	experimental	[1] Dottor 2023	Table 2, p. 5, row 16 report

Sources

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

Maxime Dottor, Jean-Claude Crivello, Jean-Marc Joubert, Critical reassessment of the H–Nb system and experimental investigation and thermodynamic modeling of the H–Nb–Zr system, Calphad 83, 102617 (2023). doi:10.1016/j.calphad.2023.102617

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 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_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}
}