Structural transition from marcasite to pyrite phase in FeSe2 under high pressure: a first-principles studyMingsheng Yi, Jintao Wu, Xiaojun Zheng and Xing MingEur. Phys. J. B, 93 9 (2020) 179DOI: https://doi.org/10.1140/epjb/e2020-10163-9