NDLI: Spectral properties of Nd$^{3+}$ ions in samples of transparent Y$_{2}$O$

Content Provider	Springer Nature Link
Author	Ushakov, S. N. Uslamina, M. A. Zharikov, E. V.
Copyright Year	2009
Abstract	The spectral and luminescent characteristics of samples of Y$_{2}$O$_{3}$:Nd$^{3+}$ ceramics obtained from different precursors under different preparation conditions (the concentration of an HfO$_{2}$ compacting additive, the temperature and time of synthesis) are studied at 300 and 77 K. It is shown that the spectral positions of absorption and luminescence lines of ceramics correspond to those of a Y$_{2}$O$_{3}$:Nd$^{3+}$ single crystal. At the same time, the absorption and luminescence spectra show an inhomogeneous broadening, characteristic of disordered crystals and glass. The energies of the $^{4}$ I $_{9/2}$ and $^{4}$ F $_{3/2}$ Stark states of the Nd$^{3+}$ ion are calculated. The calculation results nearly coincide with the data from the literature for the Y$_{2}$O$_{3}$:Nd$^{3+}$ single crystal and transparent ceramics. Samples containing the compacting additive show additional lines, whose intensities correlate with its concentration and the method of preparation of Y$_{2}$O$_{3}$:Nd$^{3+}$ ultradispersed powders. It is assumed that these lines are related to the fact that either Nd$^{3+}$ ions enter the composition of the HfO$_{2}$ compacting additive or Hf$^{4+}$ ions are present in the nearest environment of Nd$^{3+}$ ions at the boundaries of granules enriched with HfO$_{2}$.
Starting Page	549
Ending Page	555
Page Count	7
File Format	PDF
ISSN	0030400X
Journal	Optics and Spectroscopy
Volume Number	106
Issue Number	4
e-ISSN	15626911
Language	English
Publisher	SP MAIK Nauka/Interperiodica
Publisher Date	2009-05-03
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Absorption and reflection spectra: visible and ultraviolet Photoluminescence, properties and materials Optical Spectroscopy, Ultrafast Optics
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Electronic, Optical and Magnetic Materials

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