{ "title" "Elastic constants for hcp Eu at zero temperature" "extended-id" "ElasticConstantsHexagonal_hcp_Eu__TE_796054898090_003" "test-driver" "ElasticConstantsHexagonal__TD_612503193866_003" "species" ["Eu"] "creator" "Junhao Li" "description" "Given the zero-pressure, zero-temperature lattice constants of hcp Eu, this Test computes the corresponding elastic constants using numerical differentiation of the potential energy w.r.t. strain of the unit cell." "disclaimer" "Computer generated" "source-citations" [{"author" "H.B. Huntington" "title" "The Elastic Constants of Crystals" "journal" "Solid State Physics" "volume" "7" "year" "1958" "pages" "213--351" "publisher" "Academic Press" "address" "New York" "doi" "10.1016/S0081-1947(08)60553-6" "recordtype" "article" "recordkey" "TE_796054898090_003a"}] "contributor-id" "c429164b-1b03-4ce3-a3a8-2568dd2bc449" "maintainer-id" "c429164b-1b03-4ce3-a3a8-2568dd2bc449" "publication-year" "2018" "kim-api-version" "2.0" "executables" ["runner"] "domain" "openkim.org" }