Materials Data on MnGeTe2 by Materials Project
MnGeTe2 is Caswellsilverite structured and crystallizes in the trigonal R-3m space group. The structure is three-dimensional. Mn2+ is bonded to six equivalent Te2- atoms to form MnTe6 octahedra that share corners with six equivalent GeTe6 octahedra, edges with six equivalent MnTe6 octahedra, and edges with six equivalent GeTe6 octahedra. The corner-sharing octahedral tilt angles are 9°. All Mn–Te bond lengths are 2.69 Å. Ge2+ is bonded to six equivalent Te2- atoms to form GeTe6 octahedra that share corners with six equivalent MnTe6 octahedra, edges with six equivalent MnTe6 octahedra, and edges with six equivalent GeTe6 octahedra. The corner-sharing octahedral tilt angles are 9°. All Ge–Te bond lengths are 2.98 Å. Te2- is bonded to three equivalent Mn2+ and three equivalent Ge2+ atoms to form a mixture of distorted edge and corner-sharing TeMn3Ge3 octahedra. The corner-sharing octahedral tilt angles are 0°.
- 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:
- 1656069
- Report Number(s):
- mp-1221803
- Country of Publication:
- United States
- Language:
- English
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