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http://hdl.handle.net/11154/1954
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Title: | Bi4Ge3O12 : Nd3+ and Bi12SiO20 : Nd3+ - A comparative spectroscopic study |
Authors: | Camarillo, E Loro, H Murrieta, H Hernández, J |
Issue Date: | 2001 |
Abstract: | A systematic and comparative study of luminescence and optical absorption properties of the trivalent rare earth neodymium ion in the Bi4Ge3O12 and Bi12SiO20 crystal lattices is presented. The incorporation of Nd3+ ions into these crystals is more easily achieved in the first one than in the latter. In both matrices their intrinsic emission gives rise to a radiative energy transfer between the host and the impurity ion. On the other hand most of the Stark energy levels have been identified for both matrices. A calculation of the Ohm (2), Ohm (4) and Ohm (6) Judd-Ofelt parameters is given for each crystal. (C) 2001 Elsevier Science B.V. All rights reserved. |
URI: | http://hdl.handle.net/11154/1954 |
ISSN: | 0925-8388 |
Appears in Collections: | Ciencias
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