# Nb–N system > Nb–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/NB-N.html · Markdown: https://data.orchid-project.org/systems/NB-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/#NB-N/NbN-09Hal.json) · [Markdown](https://data.orchid-project.org/systems/NB-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 | |---|---|---|---| | NbN-09Hal.tdb | B. Hallstedt, D. Djurovic, Calphad, 33, 233-36(2009). [doi:10.1016/j.calphad.2008.09.013](https://doi.org/10.1016/j.calphad.2008.09.013) | `bf2dd17a6932b77dd469a0d227a7daabc42819bfa85ffc945e1e2a3629804825` | [viewer](https://orchid-project.org/phase-diagrams/#NB-N/NbN-09Hal.json) · [TDB](https://orchid-project.org/data/databases/sgte-binary/NbN-09Hal.tdb) · [JSON](https://data.orchid-project.org/phase-diagrams/sgte/NbN-09Hal.json) | | NbN-13Khv.tdb | A.V. Khvan, B. Hallstedt, Calphad, 40, 10-15(2013). [doi:10.1016/j.calphad.2012.11.001](https://doi.org/10.1016/j.calphad.2012.11.001) | `b1c67a6776138cb9d1912d4d927eafd9b14c54a071ab97c30802d1687eb46780` | [viewer](https://orchid-project.org/phase-diagrams/#NB-N/NbN-13Khv.json) · [TDB](https://orchid-project.org/data/databases/sgte-binary/NbN-13Khv.tdb) · [JSON](https://data.orchid-project.org/phase-diagrams/sgte/NbN-13Khv.json) | | NbN-96Hua-LB.tdb | W. Huang, Metall. Mater. Trans. A, 27A, 3591-3600(1996). [doi:10.1007/BF02595450](https://doi.org/10.1007/BF02595450) | `e10e5bfc05a45030aeedd95c24af2e0910637b0af80e084b0a75d0e93c2b3ecf` | [viewer](https://orchid-project.org/phase-diagrams/#NB-N/NbN-96Hua-LB.json) · [TDB](https://orchid-project.org/data/databases/sgte-binary/NbN-96Hua-LB.tdb) · [JSON](https://data.orchid-project.org/phase-diagrams/sgte/NbN-96Hua-LB.json) | Table: Calculated three-phase invariants (model, mole fraction of the second component) | TDB file | T (K) | Phases at the invariant | |---|---:|---| | NbN-09Hal.tdb | 2858.19 | LIQUID (x(N) 0.24583) + HCP_A3 (x(N) 0.31433) + N2GAS (x(N) 1) | | NbN-09Hal.tdb | 2858.19 | LIQUID (x(N) 0.24595) + HCP_A3 (x(N) 0.31435) + N2GAS (x(N) 1) | | NbN-09Hal.tdb | 2688.39 | BCC_A2 (x(N) 0.13433) + LIQUID (x(N) 0.15549) + HCP_A3 (x(N) 0.29605) | | NbN-09Hal.tdb | 2345.56 | HCP_A3 (x(N) 0.33182) + FCC_A1 (x(N) 0.40025) + N2GAS (x(N) 1) | | NbN-13Khv.tdb | 2858.19 | LIQUID (x(N) 0.24583) + HCP_A3 (x(N) 0.31433) + N2GAS (x(N) 1) | | NbN-13Khv.tdb | 2858.19 | LIQUID (x(N) 0.24592) + HCP_A3 (x(N) 0.31434) + N2GAS (x(N) 1) | | NbN-13Khv.tdb | 2767.09 | LIQUID (x(N) 0.19204) + BCC_A2 (x(N) 0.20934) + HCP_A3 (x(N) 0.30411) | | NbN-13Khv.tdb | 2345.56 | HCP_A3 (x(N) 0.33182) + FCC_A1 (x(N) 0.40025) + N2GAS (x(N) 1) | | NbN-96Hua-LB.tdb | 2858.19 | LIQUID (x(N) 0.24583) + HCP_A3 (x(N) 0.31433) + N2GAS (x(N) 1) | | NbN-96Hua-LB.tdb | 2858.19 | LIQUID (x(N) 0.24586) + HCP_A3 (x(N) 0.31433) + N2GAS (x(N) 1) | | NbN-96Hua-LB.tdb | 2724.44 | LIQUID (x(N) 0.17154) + BCC_A2 (x(N) 0.1858) + HCP_A3 (x(N) 0.29969) | | NbN-96Hua-LB.tdb | 2345.56 | HCP_A3 (x(N) 0.33182) + FCC_A1 (x(N) 0.40025) + N2GAS (x(N) 1) | ## 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/).