Nature, Published online: 28 January 2026; doi:10.1038/s41586-025-10007-z

The fluorooxoborate crystal NH4B4O6F shows promise as a nonlinear optical material for vacuum ultraviolet light sources through second-harmonic generation, demonstrating record output energy and efficiency resulting from optimized arrangements of fluorine-based units creating asymmetric sublattices.

From Nature via this RSS feed