# Nd–O–U system > Nd–O–U system: 29 accepted literature values (crystal structure 19, phase equilibrium 10) and 0 calculated phase diagram(s) from ORCHID, each value with evidence class, source, page and quote. HTML: https://data.orchid-project.org/systems/ND-O-U.html · Markdown: https://data.orchid-project.org/systems/ND-O-U.md 29 accepted literature values from 1 paper(s) (experimental 19, model 10); 0 calculated phase diagram(s). 1 further extracted value(s) not accepted by the reader-agreement checks are only in the JSON/CSV. Data: [JSON](https://data.orchid-project.org/literature/systems/ND-O-U.json) · [CSV](https://data.orchid-project.org/systems/ND-O-U.csv) · [interactive explorer](https://orchid-project.org/data-explorer/#ND-O-U) · [papers (bibliography)](https://data.orchid-project.org/bibliography/pages/systems/ND-O-U.html) · [Markdown](https://data.orchid-project.org/systems/ND-O-U.md) Table: Accepted values by evidence class | Evidence class | Values | |---|---:| | experimental | 19 | | model | 10 | Table: Accepted values by property group | Property group | Values | |---|---:| | phase equilibrium | 10 | | crystal structure | 19 | ## Other properties ### Phase equilibrium (10) Table: Phase equilibrium, Nd–O–U system | Property | Value | T (K) | Phases / composition | Class | Source | Location | Quote | |---|---:|---:|---|---|---|---|---| | Phase composition | | | FCC 1; _FCC 1: Nd 0.083, O 0.667, U 0.25_ | model | [1] Dottavio 2015 | Table 3, p. 4, row 9; `ORC-3XP2GI5UB7` | | | Phase composition | | | FCC 1; _FCC 1: Nd 0.01, O 0.667, U 0.323_ | model | [1] Dottavio 2015 | Table 3, p. 4, row 1; `ORC-BBUIP4HZ4O` | | | Phase composition | | | FCC 1; _FCC 1: Nd 0.04, O 0.667, U 0.293_ | model | [1] Dottavio 2015 | Table 3, p. 4, row 7; `ORC-JVH57KZH5B` | | | Phase composition | | | FCC 1; _FCC 1: Nd 0.02, O 0.667, U 0.313_ | model | [1] Dottavio 2015 | Table 3, p. 4, row 5; `ORC-YCVBCITZVC` | | | Phase composition | | | FCC 1 + FCC 2; _FCC 1: Nd 0.083, O 0.667, U 0.25; FCC 2: Nd 0.136, O 0.643, U 0.221_ | model | [1] Dottavio 2015 | Table 3, p. 4, row 4; `ORC-DVZE2AF7JM` | | | Phase composition | | | FCC 1 + FCC 2; _FCC 1: Nd 0.04, O 0.667, U 0.293; FCC 2: Nd 0.073, O 0.654, U 0.27_ | model | [1] Dottavio 2015 | Table 3, p. 4, row 3; `ORC-PQROBQHNR7` | | | Phase composition | | | FCC 1 + FCC 2; _FCC 1: Nd 0.02, O 0.667, U 0.313; FCC 2: Nd 0.051, O 0.658, U 0.291_ | model | [1] Dottavio 2015 | Table 3, p. 4, row 2; `ORC-T3XD3GCJ7N` | | | Phase composition | | | FCC 2; _FCC 2: Nd 0.073, O 0.654, U 0.27_ | model | [1] Dottavio 2015 | Table 3, p. 4, row 8; `ORC-MMAJFKNTF5` | | | Phase composition | | | FCC 2; _FCC 2: Nd 0.051, O 0.658, U 0.291_ | model | [1] Dottavio 2015 | Table 3, p. 4, row 6; `ORC-Z3INW7C72Q` | | | Phase composition | | | FCC 2; _FCC 2: Nd 0.136, O 0.643, U 0.221_ | model | [1] Dottavio 2015 | Table 3, p. 4, row 10; `ORC-ZNKPM26OZG` | | ### Crystal structure (19) Table: Crystal structure, Nd–O–U system | Property | Value | T (K) | Phases / composition | Class | Source | Location | Quote | |---|---:|---:|---|---|---|---|---| | Lattice a | 5.47 not_printed | 298.15 | FCC | experimental | [1] Dottavio 2015 | Table 2, p. 4, row 8; `ORC-TPABATPOZV.3147d4` | | | Lattice a | 5.458 not_printed | 298.15 | FCC 1 | experimental | [1] Dottavio 2015 | Table 2, p. 4, row 13; `ORC-6QE547BW7C.6a9661` | | | Lattice a | 5.458 not_printed | 298.15 | FCC 1 | experimental | [1] Dottavio 2015 | Table 2, p. 4, row 6; `ORC-ANGFSDERBO` | | | Lattice a | 5.465 not_printed | 298.15 | FCC 1 | experimental | [1] Dottavio 2015 | Table 2, p. 4, row 9; `ORC-LPLNRIFGPQ.e99df8` | | | Lattice a | 5.46 not_printed | 298.15 | FCC 1 | experimental | [1] Dottavio 2015 | Table 2, p. 4, row 4; `ORC-Q5MAOD3IRA` | | | Lattice a | 5.46 not_printed | 298.15 | FCC 1 | experimental | [1] Dottavio 2015 | Table 2, p. 4, row 11; `ORC-SMSDULF2VI.8f786b` | | | Lattice a | 5.465 not_printed | 298.15 | FCC 1 | experimental | [1] Dottavio 2015 | Table 2, p. 4, row 2; `ORC-YRDVAYAVHX` | | | Lattice a | 5.468 not_printed | 298.15 | FCC 2 | experimental | [1] Dottavio 2015 | Table 2, p. 4, row 5; `ORC-22QLBTOWZS` | | | Lattice a | 5.471 not_printed | 298.15 | FCC 2 | experimental | [1] Dottavio 2015 | Table 2, p. 4, row 14; `ORC-2JICCZUD5C.8591be` | | | Lattice a | 5.47 not_printed | 298.15 | FCC 2 | experimental | [1] Dottavio 2015 | Table 2, p. 4, row 10; `ORC-KKKTYXICJD.cc73aa` | | | Lattice a | 5.471 not_printed | 298.15 | FCC 2 | experimental | [1] Dottavio 2015 | Table 2, p. 4, row 7; `ORC-OVNKNV4A6U` | | | Lattice a | 5.468 not_printed | 298.15 | FCC 2 | experimental | [1] Dottavio 2015 | Table 2, p. 4, row 12; `ORC-Z55NPRZ6G5.4bef2c` | | | lattice unspecified axis | 5.47 not_printed | 298.15 | FCC | experimental | [1] Dottavio 2015 | Table 2, p. 4, row 8; `ORC-TPABATPOZV.f3e8e0` | | | lattice unspecified axis | 5.458 not_printed | 298.15 | FCC 1 | experimental | [1] Dottavio 2015 | Table 2, p. 4, row 13; `ORC-6QE547BW7C.8df3ad` | | | lattice unspecified axis | 5.465 not_printed | 298.15 | FCC 1 | experimental | [1] Dottavio 2015 | Table 2, p. 4, row 9; `ORC-LPLNRIFGPQ.ac8357` | | | lattice unspecified axis | 5.46 not_printed | 298.15 | FCC 1 | experimental | [1] Dottavio 2015 | Table 2, p. 4, row 11; `ORC-SMSDULF2VI.a38e30` | | | lattice unspecified axis | 5.471 not_printed | 298.15 | FCC 2 | experimental | [1] Dottavio 2015 | Table 2, p. 4, row 14; `ORC-2JICCZUD5C.15dfd5` | | | lattice unspecified axis | 5.47 not_printed | 298.15 | FCC 2 | experimental | [1] Dottavio 2015 | Table 2, p. 4, row 10; `ORC-KKKTYXICJD.f00a66` | | | lattice unspecified axis | 5.468 not_printed | 298.15 | FCC 2 | experimental | [1] Dottavio 2015 | Table 2, p. 4, row 12; `ORC-Z55NPRZ6G5.30d4f5` | | ## Sources Reporting papers the values were read from (a value cited from another work names that work in its row). 1. Giannina Dottavio, Yves Pontillon, Lionel Desgranges, Christine Guéneau, Renaud C. Belin, Characterising the U–Nd–O miscibility gap by an experimental and a theoretical approach, Journal of Nuclear Materials 458, 394-405 (2015). [doi:10.1016/j.jnucmat.2014.12.061](https://doi.org/10.1016/j.jnucmat.2014.12.061) ## 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). https://doi.org/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). https://doi.org/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. ```bibtex @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} } ``` --- Derived data CC BY 4.0 ([licence](https://creativecommons.org/licenses/by/4.0/)): cite ORCHID ([CITATION.cff](https://data.orchid-project.org/CITATION.cff)) and the original sources. Quotes are short excerpts kept so that each value can be checked; they remain under the publishers' copyright and are not relicensed. Source papers, page images and full text are not redistributed. Field reference: [SCHEMA.md](https://data.orchid-project.org/literature/SCHEMA.md). Machine-readable guide: [llms.txt](https://data.orchid-project.org/llms.txt). Found an error? The report link of a value (Markdown: its id, ORC-..., in the Location column) opens a pre-filled GitHub issue, https://github.com/orchid-calphad/orchid-data/issues/new?template=report-value-error.yml&record_id=\, carrying only the record id, source and value; [how to contribute](https://orchid-project.org/contribute/).