%0 journal article %@ 1359-7345 %A Jerabek, P.,Burrows, A.,Schwerdtfeger, P. %D 2022 %J Chemical Communications : ChemComm %N 96 %P 13369-13372 %R doi:10.1039/D2CC04928G %T Solving a problem with a single parameter: a smooth bcc to fcc phase transition for metallic lithium %U https://doi.org/10.1039/D2CC04928G 96 %X Density functional calculations for metallic lithium along a cuboidal bcc-to-fcc transformation path demonstrate that the bcc phase is quasi-degenerate with the fcc phase with a very small activiation barrier of 0.1 kJ mol−1, but becomes the dominant phase at higher temperatures in accordance with Landau theory. This resolves the long-standing controversy about the two phases for lithium.