Concepedia

Lone‐Pair Enhanced Birefringence in an Alkaline‐Earth Metal Tin(II) Phosphate BaSn<sub>2</sub>(PO<sub>4</sub>)<sub>2</sub>

Yi Yang, Yi Qiu, Pifu Gong, Lei Kang, Gaomin Song, Xiaomeng Liu, Junliang Sun, Zheshuai Lin

Chemistry - A European Journal · 2019 · 129 citations · 44 references

DOI

Concepts

Abstract

Abstract The first alkaline‐earth metal tin(II) phosphate, BaSn 2 (PO 4 ) 2 , has been discovered, which consists of layered structures constructed from strictly alternating [SnO 3 ] 4− and [PO 4 ] 3− moieties. This compound is expected to have a large birefringence with Δ n ≈0.071 at 1064 nm, owing to the presence of stereochemically active lone pair metal cations.

References

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