Figure 5
From: A novel optical thermometry based on the energy transfer from charge transfer band to Eu3+-Dy3+ ions
Excitation spectra of (a) SrWO4: 4 mol% Dy3+, (b) SrWO4: 0.4 mol% Eu3+, and (c) SrWO4: 0.4 mol% Eu3+, 4 mol% Dy3+ phosphors at room temperature.
