Full text loading...
(Color online) (a) XRD patterns of the precursor glass and the glass ceramic; (b) TEM image and the SAED pattern of the glass ceramic.
(Color online) Upconversion emission spectra of (a) the glass ceramic and (b) the precursor glass; the inset of (a) shows the photograph of the glass ceramic with blue luminescence (left) and the variation of the ultraviolet upconversion luminescence on the or concentration (right).
(Color online) Log-log plot of the upconversion emission intensity versus the pumping power.
(Color online) Schematic diagram illustrating the mechanisms of -sensitized upconversion luminescence in the glass ceramic.
Reduced matrix elements of the specific transitions and the calculated Judd-Ofelt parameters of in the precursor glass and glass ceramic.
Article metrics loading...