Insulator-metal transition in CaTiO3 quantum dots induced by ultrafast laser pulses |
(a) HEL and (b) NF in PCTO-QDs, (c) HEL and (d) NF in PCTO-QDs with intensity of incident ultrafast laser being 2.5 eV/Å for wavelengths of 450 nm, 514 nm, 600 nm, 720 nm, and 900 nm. |