# Al–Ni–Pt system > Al–Ni–Pt system: 24 accepted literature values (crystal structure 18, formation 6) and 0 calculated phase diagram(s) from ORCHID, each value with evidence class, source, page and quote. HTML: https://data.orchid-project.org/systems/AL-NI-PT.html · Markdown: https://data.orchid-project.org/systems/AL-NI-PT.md 24 accepted literature values from 1 paper(s) (experimental 6, DFT 18); 0 calculated phase diagram(s). Data: [JSON](https://data.orchid-project.org/literature/systems/AL-NI-PT.json) · [CSV](https://data.orchid-project.org/systems/AL-NI-PT.csv) · [interactive explorer](https://orchid-project.org/data-explorer/#AL-NI-PT) · [papers (bibliography)](https://data.orchid-project.org/bibliography/pages/systems/AL-NI-PT.html) · [Markdown](https://data.orchid-project.org/systems/AL-NI-PT.md) Table: Accepted values by evidence class | Evidence class | Values | |---|---:| | experimental | 6 | | DFT | 18 | Table: Accepted values by property group | Property group | Values | |---|---:| | formation | 6 | | crystal structure | 18 | ## Formation enthalpies Literature values in kJ/mol-atom where the per-atom basis is known. DFT columns: the lowest-energy entry at the same composition (Materials Project 2026.04.13, OQMD v1.8; different energy references, never averaged), from [dft_parity.json](https://data.orchid-project.org/literature/dft_parity.json). Table: Enthalpies of formation, Al–Ni–Pt system (6) | Phase | Compound | Value | T (K) | Class | MP DFT (kJ/mol-atom) | OQMD DFT (kJ/mol-atom) | Source | Location | Quote | |---|---|---:|---:|---|---:|---:|---|---|---| | Al2NiPt | | -77 kJ/mol-atom | 0 | DFT | | | [1] Lu 2009 | Table 3, p. 6, row 2; `ORC-PB5REKFWHW.af55c4` | | | AlNi2Pt | | -56.5 kJ/mol-atom | 0 | DFT | | | [1] Lu 2009 | Table 3, p. 6, row 3; `ORC-C2W3AMCQSL.61219a` | | | AlNiPt2 | | -65.7 kJ/mol-atom | 0 | DFT | | | [1] Lu 2009 | Table 3, p. 6, row 1; `ORC-73AFUKLQWD.4b5813` | | | L10 | | -77 kJ/mol-atom | 0 | DFT | | | [1] Lu 2009 | Table 3, p. 6, row 2; `ORC-PB5REKFWHW.351d43` | | | L10 | | -65.7 kJ/mol-atom | 0 | DFT | | | [1] Lu 2009 | Table 3, p. 6, row 1; `ORC-73AFUKLQWD.19ba40` | | | L10 | | -56.5 kJ/mol-atom | 0 | DFT | | | [1] Lu 2009 | Table 3, p. 6, row 3; `ORC-C2W3AMCQSL.64b0a5` | | ## Other properties ### Crystal structure (18) Table: Crystal structure, Al–Ni–Pt system | Property | Value | T (K) | Phases / composition | Class | Source | Location | Quote | |---|---:|---:|---|---|---|---|---| | Lattice a | 3.672 not_printed | | AlNi2Pt; _alloy: Ni 0.5, Pt 0.25_ | DFT | [1] Lu 2009; _cites Jiang 2005_ [doi](https://doi.org/10.1103/physrevb.72.184203) | Table 4, p. 6, row 6; `ORC-KDDAVVOTFY.9a6919` | | | Lattice a | 3.677 not_printed | 0 | AlNi2Pt; _alloy: Ni 0.5, Pt 0.25_ | DFT | [1] Lu 2009 | Table 4, p. 6, row 5; `ORC-KVFSTJFGII.e3d196` | | | Lattice a | 3.91 not_printed | 0 | AlNiPt2; _alloy: Ni 0.25, Pt 0.5_ | DFT | [1] Lu 2009 | Table 4, p. 6, row 1; `ORC-GI5HSTBOTY.6759b2` | | | Lattice a | 3.928 not_printed | | AlNiPt2; _alloy: Ni 0.25, Pt 0.5_ | DFT | [1] Lu 2009; _cites Jiang 2005_ [doi](https://doi.org/10.1103/physrevb.72.184203) | Table 4, p. 6, row 2; `ORC-XGHF5UBJP7.b79ca5` | | | Lattice a | 3.9261 not_printed | 1273 | AlNiPt2; _alloy: Ni 0.25, Pt 0.5_ | experimental | [1] Lu 2009; _cites Meininger 2003_ [doi](https://doi.org/10.1016/s0925-8388%2802%2901212-4) | Table 4, p. 6, row 4; `ORC-XVTQYDRU2F.4797cb` | | | Lattice a | 3.91 not_printed | 1373 | AlNiPt2; _alloy: Ni 0.25, Pt 0.5_ | experimental | [1] Lu 2009; _cites Kamm 1994_ [doi](https://doi.org/10.1016/0956-716x%2894%2990056-6) | Table 4, p. 6, row 3; `ORC-ES5C2UPM42.1e7c01` | | | Lattice c | 3.755 not_printed | | AlNi2Pt; _alloy: Ni 0.5, Pt 0.25_ | DFT | [1] Lu 2009; _cites Jiang 2005_ [doi](https://doi.org/10.1103/physrevb.72.184203) | Table 4, p. 6, row 6; `ORC-KDDAVVOTFY.fa4724` | | | Lattice c | 3.747 not_printed | 0 | AlNi2Pt; _alloy: Ni 0.5, Pt 0.25_ | DFT | [1] Lu 2009 | Table 4, p. 6, row 5; `ORC-KVFSTJFGII.9382e2` | | | Lattice c | 3.59 not_printed | 0 | AlNiPt2; _alloy: Ni 0.25, Pt 0.5_ | DFT | [1] Lu 2009 | Table 4, p. 6, row 1; `ORC-GI5HSTBOTY.6ec44e` | | | Lattice c | 3.615 not_printed | | AlNiPt2; _alloy: Ni 0.25, Pt 0.5_ | DFT | [1] Lu 2009; _cites Jiang 2005_ [doi](https://doi.org/10.1103/physrevb.72.184203) | Table 4, p. 6, row 2; `ORC-XGHF5UBJP7.8b28ca` | | | Lattice c | 3.518 not_printed | 1273 | AlNiPt2; _alloy: Ni 0.25, Pt 0.5_ | experimental | [1] Lu 2009; _cites Meininger 2003_ [doi](https://doi.org/10.1016/s0925-8388%2802%2901212-4) | Table 4, p. 6, row 4; `ORC-XVTQYDRU2F.39f5aa` | | | Lattice c | 3.55 not_printed | 1373 | AlNiPt2; _alloy: Ni 0.25, Pt 0.5_ | experimental | [1] Lu 2009; _cites Kamm 1994_ [doi](https://doi.org/10.1016/0956-716x%2894%2990056-6) | Table 4, p. 6, row 3; `ORC-ES5C2UPM42.d4d17d` | | | lattice c a | 1.02 not_printed | | AlNi2Pt; _alloy: Ni 0.5, Pt 0.25_ | DFT | [1] Lu 2009; _cites Jiang 2005_ [doi](https://doi.org/10.1103/physrevb.72.184203) | Table 4, p. 6, row 6; `ORC-KDDAVVOTFY.a850ba` | | | lattice c a | 1.019 not_printed | 0 | AlNi2Pt; _alloy: Ni 0.5, Pt 0.25_ | DFT | [1] Lu 2009 | Table 4, p. 6, row 5; `ORC-KVFSTJFGII.f1c632` | | | lattice c a | 0.918 not_printed | 0 | AlNiPt2; _alloy: Ni 0.25, Pt 0.5_ | DFT | [1] Lu 2009 | Table 4, p. 6, row 1; `ORC-GI5HSTBOTY.5089eb` | | | lattice c a | 0.92 not_printed | | AlNiPt2; _alloy: Ni 0.25, Pt 0.5_ | DFT | [1] Lu 2009; _cites Jiang 2005_ [doi](https://doi.org/10.1103/physrevb.72.184203) | Table 4, p. 6, row 2; `ORC-XGHF5UBJP7.23e7a0` | | | lattice c a | 0.896 not_printed | 1273 | AlNiPt2; _alloy: Ni 0.25, Pt 0.5_ | experimental | [1] Lu 2009; _cites Meininger 2003_ [doi](https://doi.org/10.1016/s0925-8388%2802%2901212-4) | Table 4, p. 6, row 4; `ORC-XVTQYDRU2F.4a5b53` | | | lattice c a | 0.908 not_printed | 1373 | AlNiPt2; _alloy: Ni 0.25, Pt 0.5_ | experimental | [1] Lu 2009; _cites Kamm 1994_ [doi](https://doi.org/10.1016/0956-716x%2894%2990056-6) | Table 4, p. 6, row 3; `ORC-ES5C2UPM42.8be2bc` | | ## Sources Reporting papers the values were read from (a value cited from another work names that work in its row). 1. Xiao-Gang Lu, Bo Sundman, John A˚gren, Thermodynamic assessments of the Ni–Pt and Al–Ni–Pt systems, Calphad 33, 450-456 (2009). [doi:10.1016/j.calphad.2009.06.002](https://doi.org/10.1016/j.calphad.2009.06.002) ## 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=\, carrying only the record id, source and value; [how to contribute](https://orchid-project.org/contribute/).