# Si–N system > Si–N 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/SI-N.html · Markdown: https://data.orchid-project.org/systems/SI-N.md 0 accepted literature values from 0 paper(s); 3 calculated phase diagram(s). Data: [interactive phase diagram](https://orchid-project.org/phase-diagrams/#SI-N/SiN-03Ma-LB.json) · [Markdown](https://data.orchid-project.org/systems/SI-N.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 | |---|---|---|---| | SiN-03Ma-LB.tdb | X. Ma, C. Li, F. Wang, W. Zhang, Calphad, 27, 383-88(2003). [doi:10.1016/j.calphad.2003.12.005](https://doi.org/10.1016/j.calphad.2003.12.005) | `82df19923aefac84b72d87315794ac1e422d18acd5b09e24c5a7c3fa75edb376` | [viewer](https://orchid-project.org/phase-diagrams/#SI-N/SiN-03Ma-LB.json) · [TDB](https://orchid-project.org/data/databases/sgte-binary/SiN-03Ma-LB.tdb) · [JSON](https://data.orchid-project.org/phase-diagrams/sgte/SiN-03Ma-LB.json) | | SiN-18Sri.tdb | S. Sridar, R. Kumar, K. C. Hari Kumar, Calphad, 62, 148-53(2018). [doi:10.1016/j.calphad.2018.06.004](https://doi.org/10.1016/j.calphad.2018.06.004) | `05fdadd753872c55d7d5e96f90c5c070ba14833051be838a47b330fa34576b1b` | [viewer](https://orchid-project.org/phase-diagrams/#SI-N/SiN-18Sri.json) · [TDB](https://orchid-project.org/data/databases/sgte-binary/SiN-18Sri.tdb) · [JSON](https://data.orchid-project.org/phase-diagrams/sgte/SiN-18Sri.json) | | SiN-92Hil.tdb | M. Hillert, S. Jonsson, B. Sundman, Z. Metallkd., 83, 648-54(1992). [doi:10.1515/ijmr-1992-830902](https://doi.org/10.1515/ijmr-1992-830902) | `f49087962923feaa3eda37bb58406c367de0c668f48c2e4f2f443f8292086665` | [viewer](https://orchid-project.org/phase-diagrams/#SI-N/SiN-92Hil.json) · [TDB](https://orchid-project.org/data/databases/sgte-binary/SiN-92Hil.tdb) · [JSON](https://data.orchid-project.org/phase-diagrams/sgte/SiN-92Hil.json) | Table: Calculated three-phase invariants (model, mole fraction of the second component) | TDB file | T (K) | Phases at the invariant | |---|---:|---| | SiN-03Ma-LB.tdb | 2153.21 | LIQUID (x(N) 0.00141) + SI3N4 (x(N) 0.57143) + GAS (x(N) 0.99975) | | SiN-03Ma-LB.tdb | 2153.21 | LIQUID (x(N) 0.00141) + SI3N4 (x(N) 0.57143) + GAS (x(N) 0.99975) | | SiN-03Ma-LB.tdb | 1686.94 | DIAMOND_A4 (x(N) 0) + LIQUID (x(N) 1.200e-4) + SI3N4 (x(N) 0.57143) | | SiN-03Ma-LB.tdb | 1686.94 | DIAMOND_A4 (x(N) 0) + LIQUID (x(N) 1.200e-4) + SI3N4 (x(N) 0.57143) | | SiN-18Sri.tdb | 2213.83 | LIQUID (x(N) 0.00388) + SI3N4_B (x(N) 0.57143) + GAS (x(N) 0.99959) | | SiN-18Sri.tdb | 1686.94 | DIAMOND_A4 (x(N) 0) + LIQUID (x(N) 1.200e-4) + SI3N4_B (x(N) 0.57143) | | SiN-18Sri.tdb | 1686.94 | DIAMOND_A4 (x(N) 0) + LIQUID (x(N) 1.200e-4) + SI3N4_B (x(N) 0.57143) | | SiN-92Hil.tdb | 2115.8 | LIQUID (x(N) 1.500e-4) + SI3N4 (x(N) 0.57143) + GAS (x(N) 0.99982) | | SiN-92Hil.tdb | 1974.95 | ION (x(N) 5.000e-5) + LIQUID (x(N) 5.000e-5) + SI3N4 (x(N) 0.57143) | | SiN-92Hil.tdb | 1687 | DIAMOND_A4 (x(N) 0) + ION (x(N) 1.000e-5) + SI3N4 (x(N) 0.57143) | ## 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 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; the original source of every value you use (paper_citation / paper_doi, and cited_dois for values the paper cites from earlier work); 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_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_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/).