Th–O system

0 accepted literature values from 0 paper(s); 2 calculated phase diagram(s).

Data: interactive phase diagram · Markdown

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
ThO-03Kin.tdb	H. Kinoshita, D. Setoyama, Y. Saito, M. Hirota, K. Kurosaki, M. Uno, S. Yamanaka, J. Chem. Thermodyn., 35, 719-31(2003). doi:10.1016/S0021-9614(03)00002-8	`640414db2a76452091c98816075fe129fd33467d0f2244d178e462b20ba3e8ca`	viewer · TDB · JSON
ThO-18Ber.tdb	A. Bergeron, D. Manara, O. Benes, R. Eloirdi, M.H.A. Piro, E.C. Corcoran, J. Nucl. Mater., 512, 324-48(2018). doi:10.1016/j.jnucmat.2018.09.013	`7787fa4553bd2bc846bc81cff3396229fcfbb07c778b9483f41b7d111d698b19`	viewer · TDB · JSON

Calculated three-phase invariants (model, mole fraction of the second component)
TDB file	T (K)	Phases at the invariant
ThO-03Kin.tdb	3562.45	THO2_C1 (x(O) 0.66666) + ION (x(O) 0.67229) + O2GAS (x(O) 1)
ThO-03Kin.tdb	2940.63	ION#2 (x(O) 0.10823) + ION (x(O) 0.44781) + THO2_C1 (x(O) 0.65958)
ThO-03Kin.tdb	2008.77	BCC_A2 (x(O) 0) + ION (x(O) 0.00598) + THO2_C1 (x(O) 0.66473)
ThO-03Kin.tdb	1633.2	FCC_A1 (x(O) 0) + BCC_A2 (x(O) 0) + THO2_C1 (x(O) 0.66626)
ThO-18Ber.tdb	3624.87	THO2_C1 (x(O) 0.66649) + ION (x(O) 0.67228) + O2GAS (x(O) 1)
ThO-18Ber.tdb	2006.45	BCC_A2 (x(O) 0) + ION (x(O) 0.00693) + THO2_C1 (x(O) 0.66576)
ThO-18Ber.tdb	1633.2	FCC_A1 (x(O) 0) + BCC_A2 (x(O) 0) + THO2_C1 (x(O) 0.66649)

Please cite

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 data: umbrella record of the ORCHID datasets (version 2026.10; Version 1, machine-extracted), Zenodo (2026). doi:10.5281/zenodo.23736065

Also cite 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; the original source of every value you use (paper_citation / paper_doi, and cited_dois for values the paper cites from earlier work); 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_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_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}
}