Birefringence is one of key performance for optical functional crystals owing to their
indispensable role in angle phase-matching or adjusting the polarization of light. In the past …

Natural structural color materials, especially those that can undergo reversible changes, are
attracting increasing interest in a wide variety of research fields. Inspired by the natural …

Borophosphates are very known for the short ultraviolet (UV) cutoff edge and have become
the promising UV and deep-UV functional crystals candidates; however, tetrahedral [PO4] …

Polarization modulation of deep‐UV light is of significance to current technologies, and to
this end, the birefringent crystal has emerged as an invaluable material as it allows for …

An unusual O/F ordered d0 transition metal fluoroantimonite, namely, K2SbMoO2F7, has
been created by the cationic size effect of alkali metals. It features the largest birefringence …

Exploring non π‐conjugated phosphate birefringent crystal with a large birefringence has
been a great challenge. Herein, based on the unique two‐dimensional layered structure in …

Maximizing the optical anisotropy in birefringent materials has emerged as an efficient route
for modulating the polarization‐dependent light propagation. Currently, the generation of …

Birefringent crystals that can modulate the polarization of light play a significant role in
modern optical devices including polarizing microscopes, optical isolators, and achromatic …

The simple binary fluoride α‐SnF2 is shown to be an excellent birefringent material with
outstanding birefringence, about 14 times that of MgF2. Furthermore, it exhibits a shorter UV …

The excellent birefringent materials are needed for optical systems. Herein, we reported a
new compound, the first tin borate chloride, Sn2B5O9Cl (SBOC) with a large birefringence …