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Two-dimensional Semiconductor Material Stannic Sulfide

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Stannic sulfide SnS2 is a compound inorganic with a formula of SnS2. It is a yellow hexagonal flakes with a CdI2 crystalline structure.
Stannic Sulfide powder: Properties
Stannic Sulfide has a low solubility in water. It is, however, soluble when mixed with aqua regia or hot alkaline. Stannic Sulfide is used in golden paints.

Stannic Sulfide dissolves in hot alkali and aqua regia. It can also undergo a coordination with concentrated hydrochloric acids, but is insoluble when dilute. Stannic Sulfide can be dissolved by ammonium sulfide.

Stannic Sulfide Application
Stannic Sulfide (SnS2), a van-der-Waals semiconductor material in two dimensions with excellent photoelectric characteristics, is one of the semiconductors with the fastest response time to photoelectric signals reported. It is also non-toxic and environmentally friendly.

The researchers used the traditional chemical transport method to examine the growth conditions in order to obtain high quality Fe-SnS2 crystals. After that, they obtained two-dimensional FeSnS2 sheets by mechanical lifting-off. The results of scanning transmission electron microscope (STEM) show that Fe is doped evenly and in place Sn.

Theoretical calculation shows that Fe-SnS2 magnetism comes from antiferromagnetic interactions between Fe and adjacent S, while the adjacent Fe atoms have a ferromagnetic relationship. This results in long-range magnetic iron being formed by this magnetic atom doped material. Research shows that iron-doped, stannic sulfide may have applications in the future for nanoelectronics as well magnetism and optical electronics.

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