License and Agreements

This work is licensed under a Creative Commons Attribution 4.0 International License.

Please refer to http://creativecommons.org/licenses/by/4.0/ for a detailed description of this license. In the context of the P⁴ package, some of the license terms are explained further below.

``Attribution'' indicates that, if you use P⁴, you should give appropriate credit. In particular, any scientific work whose results were obtained with the codes described above must properly acknowledge their use by citing the following papers (a BibTeX file is available for each paper):

1. Sara Kadkhodaei and Axel van de Walle. "Software tools for thermodynamic calculation of mechanically unstable phases from first-principles data". Computer Physics Communications 2019 bibtex
2. Sara Kadkhodaei, Qi-Jun Hong, and Axel van de Walle. "Free energy calculation of mechanically unstable but dynamically stabilized bcc titanium." Phys. Rev. B, 95:064101, Feb 2017. bibtex
3. Sara Kadkhodaei and Axel van de Walle. "First-principles calculations of thermal properties of the mechanically unstable phases of the PtTi and NiTi shape memory alloys." Acta Materialia, 147:296 – 303, 2018. bibtex