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All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on SrEuTe2 by Materials Project

SrEuTe2 is Heusler-like structured and crystallizes in the tetragonal P4/mmm space group. The structure is three-dimensional. Sr2+ is bonded in a body-centered cubic geometry to eight equivalent Te2- atoms. All Sr–Te bond lengths are 3.51 Å. Eu2+ is bonded in a body-centered cubic geometry to eight equivalent Te2- atoms. All Eu–Te bond lengths are 3.49 Å. Te2- is bonded in a body-centered cubic geometry to four equivalent Sr2+ and four equivalent Eu2+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on SrEuTe2 by Materials Project

SrEuTe2 is Caswellsilverite structured and crystallizes in the trigonal R-3m space group. The structure is three-dimensional. Sr2+ is bonded to six equivalent Te2- atoms to form SrTe6 octahedra that share corners with six equivalent EuTe6 octahedra, edges with six equivalent SrTe6 octahedra, and edges with six equivalent EuTe6 octahedra. The corner-sharing octahedral tilt angles are 1°. All Sr–Te bond lengths are 3.35 Å. Eu2+ is bonded to six equivalent Te2- atoms to form EuTe6 octahedra that share corners with six equivalent SrTe6 octahedra, edges with six equivalent SrTe6 octahedra, and edges with six equivalent EuTe6 octahedra. The corner-sharing octahedral tilt angles are 1°. All Eu–Te bond lengths are 3.33 Å. Te2- is bonded to three equivalent Sr2+ and three equivalent Eu2+ atoms to form a mixture of edge and corner-sharing TeSr3Eu3 octahedra. The corner-sharing octahedral tilt angles are 0°.

36 MATERIALS SCIENCE↗