Passivation of GaAs(001) surfaces by chalcogen atoms (S, Se and Te)
β Scribed by Takahisa Ohno
- Publisher
- Elsevier Science
- Year
- 1991
- Weight
- 57 KB
- Volume
- 255
- Category
- Article
- ISSN
- 0167-2584
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The crystal structures of the compounds NiAsS, NiSbS, PdAsS, PdAsSe, PdSbSe, and PdSbTe were re5ned from singlecrystal X-ray di4ractometer data. In these cubic compounds the pnictogen and chalcogen atoms show an ordered distribution corresponding to the ullmannite (NiSbS) type structure (space group
## Abstract The B1 (NaCl) and B2 (CsCl) structure of rareβearth monochalcogenides XY (Xβ=βLa, Ce, Eu, and Yβ=βS, Se, and Te) were investigated with the fullβpotential linearizedβaugmented plane wave (FPβLAPW) scheme in the frame of the generalized gradient approximation (GGA). The optimized lattice