Materials Data on Sr2HfTiO6 by Materials Project
Sr2HfTiO6 is (Cubic) Perovskite-derived structured and crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. Sr2+ is bonded to twelve O2- atoms to form SrO12 cuboctahedra that share corners with twelve equivalent SrO12 cuboctahedra, faces with six equivalent SrO12 cuboctahedra, faces with four equivalent HfO6 octahedra, and faces with four equivalent TiO6 octahedra. There are a spread of Sr–O bond distances ranging from 2.73–2.98 Å. Hf4+ is bonded to six O2- atoms to form HfO6 octahedra that share corners with six equivalent TiO6 octahedra and faces with eight equivalent SrO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 5–8°. All Hf–O bond lengths are 2.07 Å. Ti4+ is bonded to six O2- atoms to form TiO6 octahedra that share corners with six equivalent HfO6 octahedra and faces with eight equivalent SrO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 5–8°. All Ti–O bond lengths are 1.97 Å. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted linear geometry to four equivalent Sr2+, one Hf4+, and one Ti4+ atom. In the second O2- site, O2- is bonded in a distorted linear geometry to four equivalent Sr2+, one Hf4+, and one Ti4+ atom. In the third O2- site, O2- is bonded in a 2-coordinate geometry to four equivalent Sr2+, one Hf4+, and one Ti4+ atom.
- Research Organization:
- LBNL Materials Project; Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
- Contributing Organization:
- The Materials Project; MIT; UC Berkeley; Duke; U Louvain
- DOE Contract Number:
- AC02-05CH11231
- OSTI ID:
- 1665265
- Report Number(s):
- mp-1218807
- Country of Publication:
- United States
- Language:
- English
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