A<sub>2</sub>B<sub>6</sub>O<sub>9</sub>F<sub>2</sub>(A = NH<sub>4</sub>, K): new members of A<sub>2</sub>B<sub>6</sub>O<sub>9</sub>F<sub>2</sub>family with deep-UV cutoff edges and moderate birefringence
Zilong Chen, Zi‐Jian Li, Dongdong Chu, Fangfang Zhang, Xiaojing Li, Zhihua Yang, Xifa Long, Shilie Pan
Abstract
Two new fluorooxoborates A 2 B 6 O 9 F 2 (A = NH 4 , K) with different two-dimensional [B 6 O 9 F 2 ] ∞ layered structure constructed by the fundamental building block [B 6 O 11 F 2 ] were obtained.
Topics & Concepts
BirefringenceAlkali metalTransmittanceCutoffMaterials scienceCrystallographyChemistryOpticsPhysicsOptoelectronicsOrganic chemistryQuantum mechanicsCrystal Structures and PropertiesAdvanced Condensed Matter PhysicsX-ray Diffraction in Crystallography