Journal
MATTER
Volume 6, Issue 4, Pages -Publisher
CELL PRESS
DOI: 10.1016/j.matt.2023.02.005
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Using an interlinked prediction-experiment strategy, novel fluorooxoborate crystals in the NaB4O6F system were successfully predicted, achieving a balance between deep-ultraviolet transparency and high optical properties. The experimentally oriented preparation of a new crystal, NaB4O6F-C2/c, confirmed the validity of the paradigm.
Exploring new materials that meet urgent needs via advanced para-digms is still a challenge. Herein, aiming at deep-ultraviolet optical functional materials with targeted properties including deep -ultravio-let transparency and high optical properties, we report an optical ma-terials discovery paradigm-an interlinked prediction-experiment strategy. Novel fluorooxoborate crystals in the NaB4O6F system are predicted successfully, which realizes a balance between deep -ultraviolet transparency and large birefringence or deep-ultraviolet phase-matching wavelengths and strong nonlinear optical response. Concurrently, the experimentally oriented preparation of a new crystal NaB4O6F-C2/c and the known compound NaB4O6F-C2 is achieved, confirming the validity of the paradigm. Further results indicate that NaB4O6F-C2/c is a new-generation birefringent crystal with large bire-fringence (0.219@193 nm) and deep-ultraviolet transparency, and the phase-matching curves of NaB4O6F-C2 show the shortest phase -matching wavelengths for type I and type II, 166 and 200 nm. This research has enabled the customization of functional materials with high performances via the interlinked discovery paradigm.
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