# La–Zr system > La–Zr system: 0 accepted literature values (none) and 3 calculated phase diagram(s) from ORCHID, each value with evidence class, source, page and quote. HTML: https://data.orchid-project.org/systems/LA-ZR.html · Markdown: https://data.orchid-project.org/systems/LA-ZR.md 0 accepted literature values from 0 paper(s); 3 calculated phase diagram(s). Data: [interactive phase diagram](https://orchid-project.org/phase-diagrams/#LA-ZR/LaZr-06Hal.json) · [phases (5)](https://data.orchid-project.org/phases/pages/LA-ZR.html) · [papers (bibliography)](https://data.orchid-project.org/bibliography/pages/systems/LA-ZR.html) · [Markdown](https://data.orchid-project.org/systems/LA-ZR.md) ## 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. Table: Assessments with a calculated phase diagram | TDB file | Assessment | SHA-256 | Links | |---|---|---|---| | LaZr-06Hal.tdb | B. Hallstedt 2006 | `91cfbfdb7d7272117b0e421391329faa57b3c5dbdb26e500187a8a7633acd9dc` | [viewer](https://orchid-project.org/phase-diagrams/#LA-ZR/LaZr-06Hal.json) · [TDB](https://orchid-project.org/data/databases/sgte-binary/LaZr-06Hal.tdb) · [JSON](https://data.orchid-project.org/phase-diagrams/sgte/LaZr-06Hal.json) | | LaZr-16Mat.tdb | N. Mattern, Y. Yokoyama, A. Mizuno, J.H. Han, O. Fabrichnaya, M. Richter, S. Kohara, Calphad, 52, 8-20(2016). [doi:10.1016/j.calphad.2015.10.015](https://doi.org/10.1016/j.calphad.2015.10.015) | `4dc7f000bdc30b3d954391ccd3d1d395ceade3a14fed46a2f4a84646abbc6ea3` | [viewer](https://orchid-project.org/phase-diagrams/#LA-ZR/LaZr-16Mat.json) · [TDB](https://orchid-project.org/data/databases/sgte-binary/LaZr-16Mat.tdb) · [JSON](https://data.orchid-project.org/phase-diagrams/sgte/LaZr-16Mat.json) | | LaZr-18Zhu.tdb | W.-F. Zhu, Q. Luo, J.-Y. Zhang, Q. Li, J. Alloys Compd., 731, 784-95(2018). [doi:10.1016/j.jallcom.2017.10.013](https://doi.org/10.1016/j.jallcom.2017.10.013) | `4bbebf2ac06417b8e23aae35033f41fa5171204dfaa4c3bd1833fdee4ebb864e` | [viewer](https://orchid-project.org/phase-diagrams/#LA-ZR/LaZr-18Zhu.json) · [TDB](https://orchid-project.org/data/databases/sgte-binary/LaZr-18Zhu.tdb) · [JSON](https://data.orchid-project.org/phase-diagrams/sgte/LaZr-18Zhu.json) | Table: Calculated three-phase invariants (model, mole fraction of the second component) | TDB file | T (K) | Phases at the invariant | |---|---:|---| | LaZr-06Hal.tdb | 1948.28 | LIQUID (x(Zr) 0.15213) + LIQUID#2 (x(Zr) 0.84787) + BCC_A2 (x(Zr) 0.99843) | | LaZr-06Hal.tdb | 1177.97 | BCC_A2#2 (x(Zr) 4.000e-5) + LIQUID (x(Zr) 0.0083) + BCC_A2 (x(Zr) 0.99996) | | LaZr-06Hal.tdb | 1177.97 | BCC_A2#2 (x(Zr) 4.000e-5) + LIQUID (x(Zr) 0.0083) + BCC_A2 (x(Zr) 0.99996) | | LaZr-06Hal.tdb | 1138.93 | BCC_A2#2 (x(Zr) 3.000e-5) + BCC_A2 (x(Zr) 0.99997) + HCP_A3 (x(Zr) 1) | | LaZr-06Hal.tdb | 1138.93 | BCC_A2 (x(Zr) 3.000e-5) + BCC_A2#2 (x(Zr) 0.99997) + HCP_A3 (x(Zr) 1) | | LaZr-06Hal.tdb | 1134 | FCC_A1 (x(Zr) 0) + BCC_A2 (x(Zr) 0) + HCP_A3 (x(Zr) 1) | | LaZr-06Hal.tdb | 1133.96 | FCC_A1 (x(Zr) 1.000e-5) + BCC_A2 (x(Zr) 2.000e-5) + HCP_A3 (x(Zr) 1) | | LaZr-06Hal.tdb | 1133.96 | FCC_A1 (x(Zr) 1.000e-5) + BCC_A2 (x(Zr) 2.000e-5) + HCP_A3 (x(Zr) 1) | | LaZr-06Hal.tdb | 550 | DHCP (x(Zr) 0) + FCC_A1 (x(Zr) 0) + HCP_A3 (x(Zr) 1) | | LaZr-16Mat.tdb | 1167.24 | BCC_A2#2 (x(Zr) 0.00794) + LIQUID (x(Zr) 0.02239) + BCC_A2 (x(Zr) 0.99206) | | LaZr-16Mat.tdb | 1129.56 | BCC_A2 (x(Zr) 0.00668) + BCC_A2#2 (x(Zr) 0.99332) + HCP_A3 (x(Zr) 0.99713) | | LaZr-16Mat.tdb | 1115.97 | FCC_A1 (x(Zr) 7.700e-4) + BCC_A2 (x(Zr) 0.00622) + HCP_A3 (x(Zr) 0.99732) | | LaZr-16Mat.tdb | 550 | FCC_A1 (x(Zr) 0) + DHCP (x(Zr) 0) + HCP_A3 (x(Zr) 0.99999) | | LaZr-16Mat.tdb | 550 | DHCP (x(Zr) 0) + FCC_A1 (x(Zr) 0) + HCP_A3 (x(Zr) 0.99999) | | LaZr-16Mat.tdb | 550 | FCC_A1 (x(Zr) 0) + DHCP (x(Zr) 0) + HCP_A3 (x(Zr) 0.99999) | | LaZr-18Zhu.tdb | 1173.07 | BCC_A2#2 (x(Zr) 0.01522) + LIQUID (x(Zr) 0.02602) + BCC_A2 (x(Zr) 0.98478) | | LaZr-18Zhu.tdb | 1116.73 | BCC_A2 (x(Zr) 0.01202) + BCC_A2#2 (x(Zr) 0.98798) + HCP_A3 (x(Zr) 0.99732) | | LaZr-18Zhu.tdb | 1100.28 | FCC_A1 (x(Zr) 6.900e-4) + BCC_A2 (x(Zr) 0.01108) + HCP_A3 (x(Zr) 0.99753) | | LaZr-18Zhu.tdb | 550 | FCC_A1 (x(Zr) 0) + DHCP (x(Zr) 0) + HCP_A3 (x(Zr) 0.99999) | | LaZr-18Zhu.tdb | 550 | DHCP (x(Zr) 0) + FCC_A1 (x(Zr) 0) + HCP_A3 (x(Zr) 0.99999) | | LaZr-18Zhu.tdb | 550 | FCC_A1 (x(Zr) 0) + DHCP (x(Zr) 0) + HCP_A3 (x(Zr) 0.99999) | Convex hulls: [Materials Project DFT hull](https://data.orchid-project.org/hulls/dft-mp/LA/LA-ZR.json) · [OQMD DFT hull](https://data.orchid-project.org/hulls/dft-oqmd/LA/LA-ZR.json) · [CALPHAD hull LaZr-06Hal](https://data.orchid-project.org/hulls/calphad-sgte/LA/LA-ZR--LaZr-06Hal.json) · [CALPHAD hull LaZr-16Mat](https://data.orchid-project.org/hulls/calphad-sgte/LA/LA-ZR--LaZr-16Mat.json) ## Please cite - R. Arróyave, J. Saal, D. Shin, ORCHID-Diagrams: calculated binary phase diagrams (version 2026.10), Zenodo (2026). https://doi.org/10.5281/zenodo.23735859 - R. Arróyave, J. Saal, D. Shin, ORCHID-Hulls: binary convex hulls (Materials Project, OQMD, assessed CALPHAD) (version 2026.10), Zenodo (2026). https://doi.org/10.5281/zenodo.23735891 - 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 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); the original source of every value you use (paper_citation / paper_doi, and cited_dois for values the paper cites from earlier work). 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_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_hulls_2026, author = {Arr{\'o}yave, Raymundo and Saal, James and Shin, Dongwon}, title = {{ORCHID-Hulls: binary convex hulls (Materials Project, OQMD, assessed CALPHAD)}}, version = {2026.10}, publisher = {Zenodo}, year = {2026}, doi = {10.5281/zenodo.23735891}, url = {https://doi.org/10.5281/zenodo.23735891} } @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/).