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Çó·Òë°¡£¡£¡£¡ ZnIn2S4 exhibits two distinct polymorphs based on cubic and hexagonal lattices. The structure of cubic ZnIn2S4 can be described by an ABC stacking of sulfur atoms, with Zn atoms tetrahedrally coordinated and In atoms octahedrally coordinated by S atoms.9 The hexagonal phase of ZnIn2S4 exhibits several different polytypes. The structure of all these polytypes is essentially based on a stacking of packets of S¨CZn¨CS¨CIn¨CS¨CIn¨CS layers. Each packet could have an ABCA stacking or an ABAB stacking of S atoms.10 Several polytypes, from a single packet per unit cell (1H polytype, a = 0.385 nm, c = 1.234 nm) and 3 packets per unit cell (3R polytype, a = 0.385 nm, c = 3.70 nm) to 24 packets per unit cell (24R polytype, a = 0.385 nm, c = 29.62 nm), |
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