Size control and vacuum-ultraviolet fluorescence of nanosized KMgF single crystals prepared using femtosecond laser pulses.

We fabricated nanosized KMgF single crystals via a dry pulsed laser ablation process using femtosecond laser pulses. The sizes, shapes, and crystallographic properties of the crystals were evaluated by transmission electron microscopy (TEM). Almost all of the particles were spherical with diameters of less than 100 nm, and they were not highly agglomerated.