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Photoluminescence in YbGa2Se4 and YbGa2Se4:Nd3+ single crystals |
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| Authors: | A M Pashaev B G Tagiev O B Tagiev F A Kazymova |
| Institution: | 1. National Academy of Aviation, Baku, Bina, AZ1045, Azerbaijan 2. Institute of Physics, Academy of Sciences of Azerbaijan, Baku, AZ1143, Azerbaijan 3. Moscow State University (Baku Branch), Baku, AZ1143, Azerbaijan |
| Abstract: | The excitation and photoluminescence spectra of YbGa2Se4 and YbGa2Se4:Nd3+ single crystals recorded at different temperatures and neodymium concentrations have been investigated. The photoluminescence spectrum exhibits intracenter luminescence lines of the Nd3+ ion in wavelength ranges of 0.804?C0.84, 0.88?C0.92, 0.96?C0.996, and 1.06?C1.12 ??m against a broadband emission background. These ranges are related, respectively, to the 4 F 5/2-4 I 9/2, 4 F 3/2-4 I 9/2, 4 F 5/2-4 I 11/2, and 4 F 3/2-4 I 11/2 transitions. |
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