Upon ultrafast irradiation, a (PbTiO3)/(SrTiO3) superlattice transforms into a complex supercrystal that contains periodicities of up to 30 nm in size and is stable in ambient. Creation and destruction, by heating, of the supercrystal is reversible.
- V. A. Stoica
- N. Laanait
- J. W. Freeland