Effects of Cr3+ concentration on the optical properties of Cs2NaAlF6 single crystals
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Effects of Cr3+ concentration on the optical properties of Cs2NaAlF6 single crystals. / S. Pedro, Sandra; P. Sosman, Lilian ; B. Barthem, Ricardo; C.G. Tedesco, Julio; Bordallo, Heloisa N.
In: Journal of Luminescence, Vol. 134, 01.02.2013, p. 100-106.Research output: Contribution to journal › Journal article › Research › peer-review
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TY - JOUR
T1 - Effects of Cr3+ concentration on the optical properties of Cs2NaAlF6 single crystals
AU - S. Pedro, Sandra
AU - P. Sosman, Lilian
AU - B. Barthem, Ricardo
AU - C.G. Tedesco, Julio
AU - Bordallo, Heloisa N.
PY - 2013/2/1
Y1 - 2013/2/1
N2 - This work is devoted to the study of optical properties of the elpasolite Cs2NaAlF6 with 0.1, 1.0, 3.0, 10.0, 30.0 and 50.0% of Cr3+ ions. The interest in this system lies on the fact that it presents a high quantum yield in the visible and infrared regions and therefore can be considered for laser applications. The photoluminescence and excitation spectra were obtained at 5 and 300 K, while the absorption spectra were measured at 300 K. The spectra at 300 K show broad bands attributed to the Cr3+ ions in two non-equivalent sites, both of them with octahedral coordination, while at 5 K we can observe the vibrational modes of the [CrF6]3- complex. The ensemble of our results lead us to conclude that the material has potential applications as a lasing system.
AB - This work is devoted to the study of optical properties of the elpasolite Cs2NaAlF6 with 0.1, 1.0, 3.0, 10.0, 30.0 and 50.0% of Cr3+ ions. The interest in this system lies on the fact that it presents a high quantum yield in the visible and infrared regions and therefore can be considered for laser applications. The photoluminescence and excitation spectra were obtained at 5 and 300 K, while the absorption spectra were measured at 300 K. The spectra at 300 K show broad bands attributed to the Cr3+ ions in two non-equivalent sites, both of them with octahedral coordination, while at 5 K we can observe the vibrational modes of the [CrF6]3- complex. The ensemble of our results lead us to conclude that the material has potential applications as a lasing system.
U2 - 10.1016/j.jlumin.2012.09.005
DO - 10.1016/j.jlumin.2012.09.005
M3 - Journal article
VL - 134
SP - 100
EP - 106
JO - Journal of Luminescence
JF - Journal of Luminescence
SN - 0022-2313
ER -
ID: 41878346