Abstract
The Cr 3+:KAl(MoO 4) 2 single crystal was grown by top seeding solution growth method (TSSG). Based on the absorption and emission spectra, the crystal field strength Dq, the Racah parameters B and C, the effective phonon energy ℏω and the Huang–Rhys factor S were calculated: Dq = 1494.8 cm − 1, B = 585.5 cm − 1 and C = 3049 cm − 1, ħω = 373.8 cm − 1 and the Huang–Rhys factor S = 3.74, respectively. The value Dq/ B = 2.55 indicates that Cr 3+ ion occupies the strong crystal field site in KAl(MoO 4) 2 crystal. A comparison of crystal field parameters for Cr 3+:KAl(MoO 4) 2 with other Cr 3+-doped crystals was presented. The results of spectral measurement show that Cr 3+:KAl(MoO 4) 2 may be a potential candidate for broadband laser applications.
Published Version
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