# Dy–Er–Eu–Ho–Lu–O–Sc–Sm–Tb–Tm–Y–Yb system

> Dy–Er–Eu–Ho–Lu–O–Sc–Sm–Tb–Tm–Y–Yb system: 9 accepted literature values (phase transition 9) and 0 calculated phase diagram(s) from ORCHID, each value with evidence class, source, page and quote.

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9 accepted literature values from 1 paper(s) (experimental 9); 0 calculated phase diagram(s).

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Table: Accepted values by evidence class

| Evidence class | Values |
|---|---:|
| experimental | 9 |

Table: Accepted values by property group

| Property group | Values |
|---|---:|
| phase transition | 9 |

## Other properties

### Phase transition (9)

Table: Phase transition, Dy–Er–Eu–Ho–Lu–O–Sc–Sm–Tb–Tm–Y–Yb system

| Property | Value | T (K) | Phases / composition | Class | Source | Location | Quote |
|---|---:|---:|---|---|---|---|---|
| Phase transition | 492 K | 492 | polymorphic: C ⇒ B; _alloy: Er 0, Eu 0, Ho 0, Lu 0, O 0.6, Sc 0, Sm 0, Tb 0, Tm 0, Y 0, Yb 0_ | experimental | [1] ZINKEVICH 2007; _cites Seck 1969_ | Table 2.3, p. 10, row 14; `ORC-HTAHENZOTA` |  |
| Phase transition | 589 K | 589 | polymorphic: C ⇒ B; _alloy: Er 0, Eu 0, Ho 0, Lu 0, O 0.6, Sc 0, Sm 0, Tb 0, Tm 0, Y 0, Yb 0_ | experimental | [1] ZINKEVICH 2007; _cites Seck 1969_ | Table 2.3, p. 10, row 15; `ORC-4ZYZ6GR2ZF` |  |
| Phase transition | 686 K | 686 | polymorphic: C ⇒ B; _alloy: Er 0, Eu 0, Ho 0, Lu 0, O 0.6, Sc 0, Sm 0, Tb 0, Tm 0, Y 0, Yb 0_ | experimental | [1] ZINKEVICH 2007; _cites Seck 1969_ | Table 2.3, p. 10, row 16; `ORC-I7OSODANL6` |  |
| Phase transition | 783 K | 783 | polymorphic: C ⇒ B; _alloy: Er 0, Eu 0, Ho 0, Lu 0, O 0.6, Sc 0, Sm 0, Tb 0, Tm 0, Y 0, Yb 0_ | experimental | [1] ZINKEVICH 2007; _cites Seck 1969_ | Table 2.3, p. 10, row 17; `ORC-KU7IEGVMCB` |  |
| Phase transition | 839 K | 839 | polymorphic: C ⇒ B; _alloy: Er 0, Eu 0, Ho 0, Lu 0, O 0.6, Sc 0, Sm 0, Tb 0, Tm 0, Y 0, Yb 0_ | experimental | [1] ZINKEVICH 2007; _cites Seck 1969_ | Table 2.3, p. 10, row 18; `ORC-C7PEOZNFQ4` |  |
| Phase transition | 885 K | 885 | polymorphic: C ⇒ B; _alloy: Er 0, Eu 0, Ho 0, Lu 0, O 0.6, Sc 0, Sm 0, Tb 0, Tm 0, Y 0, Yb 0_ | experimental | [1] ZINKEVICH 2007; _cites Seck 1969_ | Table 2.3, p. 10, row 19; `ORC-KOT3LQHI5J` |  |
| Phase transition | 1018 K | 1018 | polymorphic: C ⇒ B; _alloy: Er 0, Eu 0, Ho 0, Lu 0, O 0.6, Sc 0, Sm 0, Tb 0, Tm 0, Y 0, Yb 0_ | experimental | [1] ZINKEVICH 2007; _cites Seck 1969_ | Table 2.3, p. 10, row 20; `ORC-EJYMED5PF3` |  |
| Phase transition | 1273 K | 1273 | polymorphic: C ⇒ B; _alloy: Er 0, Eu 0, Ho 0, Lu 0, O 0.6, Sc 0, Sm 0, Tb 0, Tm 0, Y 0, Yb 0_ | experimental | [1] ZINKEVICH 2007; _cites Hoekstra 1966_ | Table 2.3, p. 10, row 13; `ORC-EDLIQRPMPM` |  |
| Phase transition | 1380 K | 1380 | polymorphic: C ⇒ B; _alloy: Er 0, Eu 0, Ho 0, Lu 0, O 0.6, Sc 0, Sm 0, Tb 0, Tm 0, Y 0, Yb 0_ | experimental | [1] ZINKEVICH 2007; _cites Seck 1969_ | Table 2.3, p. 10, row 21; `ORC-Y2M6PB7H3C` |  |

## Sources

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

1. M ZINKEVICH, Thermodynamics of rare earth sesquioxides, Progress in Materials Science 52, 597-647 (2007). [doi:10.1016/j.pmatsci.2006.09.002](https://doi.org/10.1016/j.pmatsci.2006.09.002)

## 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=\<id>, carrying only the record id, source and value; [how to contribute](https://orchid-project.org/contribute/).
