# Yb system > Yb system: 28 accepted literature values (phase transition 11, crystal structure 10, invariant reaction 7) and 0 calculated phase diagram(s) from ORCHID, each value with evidence class, source, page and quote. HTML: https://data.orchid-project.org/systems/YB.html · Markdown: https://data.orchid-project.org/systems/YB.md 28 accepted literature values from 8 paper(s) (experimental 15, model 7, DFT 5, unspecified 1); 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/YB.json) · [CSV](https://data.orchid-project.org/systems/YB.csv) · [interactive explorer](https://orchid-project.org/data-explorer/#YB) · [papers (bibliography)](https://data.orchid-project.org/bibliography/pages/systems/YB.html) · [Markdown](https://data.orchid-project.org/systems/YB.md) Table: Accepted values by evidence class | Evidence class | Values | |---|---:| | experimental | 15 | | model | 7 | | DFT | 5 | | unspecified | 1 | Table: Accepted values by property group | Property group | Values | |---|---:| | invariant reaction | 7 | | phase transition | 11 | | crystal structure | 10 | ## Invariant reactions (literature) Table: Invariant reactions reported in the literature for the Yb system (7) | T (K) | Reaction / phases | Compositions (mole fraction) | Class | Source | Location | Quote | |---:|---|---|---|---|---|---| | 1053 | other: Yb(bcc) = Yb(fcc) | | experimental | [1] Brutti 2005; _cites Palenzona 2002_ | Table 5, p. 6, row 2; `ORC-BXJNLM5LSR` | | | 1033 | polymorphic: BCC(Yb) -> FCC(Yb) | | unspecified | [2] Zhang 2007; _cites Dinsdale 1991_ [doi](https://doi.org/10.1016/0364-5916%2891%2990030-n) | Table 4, p. 5, row 2; `ORC-4JVSPQEJHA` | | | 1033 | polymorphic: BCC(Yb) -> FCC(Yb) | | model | [2] Zhang 2007 | Table 4, p. 5, row 1; `ORC-5WRRVJVTVW` | | | 1033 | polymorphic: β(Yb) -> γ(Yb) | β(Yb): | experimental | [3] Dai-man 2018; _cites Okamoto 2005_ | Table 1, p. 3, row 26; `ORC-CM2EPP6Q5F` | | | 1033 | other: Yb(bcc) = Yb(fcc) | | model | [1] Brutti 2005 | Table 5, p. 6, row 1; `ORC-FEE3RIHE4L` | | | 1033 | polymorphic: β(Yb) -> γ(Yb) | β(Yb): | model | [3] Dai-man 2018 | Table 1, p. 3, row 27; `ORC-U7NXMWNFL7` | | | 1023 | polymorphic: β(Yb) -> γ(Yb) | β(Yb): | experimental | [3] Dai-man 2018; _cites Pani 2003_ | Table 1, p. 3, row 25; `ORC-TESND2UB4V` | | ## Other properties ### Phase transition (11) Table: Phase transition, Yb system | Property | Value | T (K) | Phases / composition | Class | Source | Location | Quote | |---|---:|---:|---|---|---|---|---| | Phase transition | 1013.15 K | 1013.15 | Yb | experimental | [4] Meng 2008; _cites Palenzona 1972_ [doi](https://doi.org/10.1016/0022-5088%2872%2990116-6) | p. 2; `ORC-5XAV2TKGTC.ef79bb` | “The accepted ␤ ↔ ␥ transformation temperature by Gschneidner et al. \[10\] was 795 ◦ C, while the given value by Palenzona et al. \[9\] was 740 ◦ C.” | | Phase transition | 1033 K | 1033 | polymorphic: (βYb) -> (γYb); _(βYb): _ | model | [5] Ghamri 2015 | Table 5, p. 6, row 10; `ORC-HMEYSOXMEB` | | | Phase transition | 1053 K | 1053 | polymorphic: Yb(bcc) = Yb(fcc); _alloy: Yb 1_ | experimental | [1] Brutti 2005; _cites Palenzona 2002_ | Table 2, p. 3, row 40; `ORC-5XIXPAZ2UM` | | | Phase transition | 1053.15 K | 1053.15 | polymorphic: γYb -> βYb | model | [6] Achgar 2018 | Table 5, p. 8, row 6; `ORC-266SZGZRF5` | | | Phase transition | 1053.15 K | 1053.15 | polymorphic: γYb -> βYb | model | [6] Achgar 2018 | Table 5, p. 8, row 5; `ORC-BRQF2JTYBN` | | | Phase transition | 1053.15 K | 1053.15 | polymorphic: γYb -> βYb | experimental | [6] Achgar 2018; _cites Pani 2003_ | Table 5, p. 8, row 4; `ORC-JBOD4CRKRL` | | | Phase transition | 1061 K | 1061 | polymorphic: (βYb) -> (γYb); _(βYb): _ | experimental | [5] Ghamri 2015; _cites Kh 1970_ | Table 5, p. 6, row 7; `ORC-TJXIXJRJL4` | | | Phase transition | 1065 K | 1065 | polymorphic | experimental | [7] Hu 2017; _cites Gschneidner 1986_ [doi](https://doi.org/10.1016/s0168-1273%2886%2908004-2) | p. 20; `ORC-L4DWP2R3EJ` | “In fact, the experimentally measured temperature is even lower than the commonly acceptable polymorphic transformation temperature between fcc-Yb and bcc-Yb, which is 1065K \[41\].” | | Phase transition | 1068 K | 1068 | polymorphic: (βYb) -> (γYb); _(βYb): _ | experimental | [5] Ghamri 2015; _cites Okamoto 1990_ | Table 5, p. 6, row 9; `ORC-ARRGKVZ6UB` | | | Phase transition | 1068.15 K | 1068.15 | Yb | model | [4] Meng 2008; _cites Gschneidner 1989_ [doi](https://doi.org/10.1007/bf02882175) | p. 2; `ORC-5XAV2TKGTC.e4374e` | “The accepted ␤ ↔ ␥ transformation temperature by Gschneidner et al. \[10\] was 795 ◦ C, while the given value by Palenzona et al. \[9\] was 740 ◦ C.” | | Phase transition | 1071 K | 1071 | polymorphic: (βYb) -> (γYb); _(βYb): _ | experimental | [5] Ghamri 2015; _cites Spedding 1961_ [doi](https://doi.org/10.1016/0022-5088%2861%2990003-0) | Table 5, p. 6, row 8; `ORC-4SKPK5PYNG` | | ### Crystal structure (10) Table: Crystal structure, Yb system | Property | Value | T (K) | Phases / composition | Class | Source | Location | Quote | |---|---:|---:|---|---|---|---|---| | Lattice a | 3.81 Å | 0 | (Yb-γ); _alloy: Yb 1_ | DFT | [8] Kali-Ali 2017 | Table 1, p. 3, row 4; `ORC-WNLCISU6NH.d54570` | | | Lattice a; _printed: a_ | 5.451 Å | 0 | fcc-Yb; _alloy: Yb 1_ | DFT | [7] Hu 2017 | Table 3, p. 26, row 7; `ORC-B5UENWL26C.23fcfc` | | | Lattice a; _printed: a_ | 5.491 Å | 0 | fcc-Yb; _alloy: Yb 1_ | DFT | [7] Hu 2017 | Table 3, p. 26, row 8; `ORC-YMWPRKAPFK.70be5b` | | | Lattice a | 3.87 Å | 298.15 | (Yb-γ); _alloy: Yb 1_ | experimental | [8] Kali-Ali 2017; _cites Kayser 1971_ [doi](https://doi.org/10.1002/pssa.2210080124) | Table 1, p. 3, row 3; `ORC-HEKV56YR6V.b2dec9` | | | Lattice a; _printed: a_ | 5.484 Å | 298.15 | fcc-Yb; _alloy: Yb 1_ | experimental | [7] Hu 2017; _cites Palenzona 1973_ [doi](https://doi.org/10.1016/0022-5088%2873%2990188-4) | Table 3, p. 26, row 6; `ORC-3S2CQZTGO4.535bd5` | | | Lattice a; _printed: Lattice parameter a_ | 5.486 Å | 298.15 | fcc-Yb; _alloy: Yb 1_ | experimental | [7] Hu 2017; _cites Buschow 1972_ [doi](https://doi.org/10.1016/0022-5088%2872%2990082-3) | Table 3, p. 26, row 5; `ORC-KFTF2MIXHI.2f0789` | | | Lattice b | 3.81 Å | 0 | (Yb-γ); _alloy: Yb 1_ | DFT | [8] Kali-Ali 2017 | Table 1, p. 3, row 4; `ORC-WNLCISU6NH.9966ca` | | | Lattice b | 3.87 Å | 298.15 | (Yb-γ); _alloy: Yb 1_ | experimental | [8] Kali-Ali 2017; _cites Kayser 1971_ [doi](https://doi.org/10.1002/pssa.2210080124) | Table 1, p. 3, row 3; `ORC-HEKV56YR6V.9d8625` | | | Lattice c | 6.33 Å | 0 | (Yb-γ); _alloy: Yb 1_ | DFT | [8] Kali-Ali 2017 | Table 1, p. 3, row 4; `ORC-WNLCISU6NH.8b5981` | | | Lattice c | 6.38 Å | 298.15 | (Yb-γ); _alloy: Yb 1_ | experimental | [8] Kali-Ali 2017; _cites Kayser 1971_ [doi](https://doi.org/10.1002/pssa.2210080124) | Table 1, p. 3, row 3; `ORC-HEKV56YR6V.cc6991` | | ## Sources Reporting papers the values were read from (a value cited from another work names that work in its row). 1. S. Brutti, G. Balducci, A. Ciccioli, G. Gigli, Thermodynamic assessment of the Yb–Si system, Calphad 29, 254-261 (2005). [doi:10.1016/j.calphad.2005.06.004](https://doi.org/10.1016/j.calphad.2005.06.004) 2. L.G. Zhang, L.B. Liu, H.S. Liu, Z.P. Jin, Thermodynamic assessment of Cu–Eu and Cu–Yb system, Calphad 31, 264-268 (2007). [doi:10.1016/j.calphad.2006.11.003](https://doi.org/10.1016/j.calphad.2006.11.003) 3. Zhu Dai-man, Li Chang-rong, Guo Cui-ping, Du Zhen-min, Thermodynamic assessment of the Ge-Yb binary system, Ferroelectrics 522, 80-87 (2018). [doi:10.1080/00150193.2018.1392217](https://doi.org/10.1080/00150193.2018.1392217) 4. F.G. Meng, L.G. Zhang, H.S. Liu, L.B. Liu, Z.P. Jin, Thermodynamic optimization of the Al–Yb binary system, Journal of Alloys and Compounds 452, 279-282 (2008). [doi:10.1016/j.jallcom.2006.11.023](https://doi.org/10.1016/j.jallcom.2006.11.023) 5. H. Ghamri, Y. Djaballah, A. Belgacem-Bouzida, Thermodynamic modeling of the Eu–Te and Te–Yb systems, Journal of Alloys and Compounds 643, 121-128 (2015). [doi:10.1016/j.jallcom.2015.03.224](https://doi.org/10.1016/j.jallcom.2015.03.224) 6. Khadija Achgar, Saïd Kardellass, Najim Selhaoui, Thermodynamic assessment of the Ytterbium–Germanium binary system, J Therm Anal Calorim 131, 443-453 (2018). [doi:10.1007/s10973-017-6203-x](https://doi.org/10.1007/s10973-017-6203-x) 7. Yong-Jie Hu, Yi Wang, Samad A. Firdosy, Kurt E. Star, Jean-Pierre Fleurial, Vilupanur A. Ravi et al., First-principles calculations and thermodynamic modeling of the Yb-Ni binary system, Calphad 59, 207-217 (2017). [doi:10.1016/j.calphad.2017.09.004](https://doi.org/10.1016/j.calphad.2017.09.004) 8. F. Kali-Ali, Y. Djaballah, S. Triaa, Ş. Uğur, A. Belgacem-Bouzida, M. Drir et al., Ab-Initio Calculations and Thermodynamic Description of the Yb-Cd and Yb-Sn Systems, J. Phase Equilib. Diffus. 38, 665-675 (2017). [doi:10.1007/s11669-017-0588-x](https://doi.org/10.1007/s11669-017-0588-x) ## 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/).