Na2SnSO4F2: An Ultraviolet Transparent Sulfate Crystal with Large Birefringence Driven by Stereochemically Active Tin(II)

Abstract

A new mixed alkali tin sulfate fluoride birefringent crystal Na2SnSO4F2 was successfully synthesized and grown. It exhibits a large birefringence of 0.086 at 1064 nm and matain a large bandgap. Theoretical calculations indicate that the relatively well-aligned of [SnOF2] polyhedra are the primary contributor to the large birefringence.

Supplementary files

Article information

Article type
Communication
Submitted
25 Nov 2025
Accepted
22 Dec 2025
First published
05 Jan 2026

Dalton Trans., 2026, Accepted Manuscript

Na2SnSO4F2: An Ultraviolet Transparent Sulfate Crystal with Large Birefringence Driven by Stereochemically Active Tin(II)

J. Wang, W. Zhang, X. Ma, F. Zhang, H. Du and S. Han, Dalton Trans., 2026, Accepted Manuscript , DOI: 10.1039/D5DT02815A

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