Spectroscopic properties of Nd 0.5Gd 0.5Fe 3(BO 3) 4 single crystal

A. V. Malakhovskii, A. L. Sukhachev, A. A. Leont'Ev, I. A. Gudim, A. S. Krylov, A. S. Aleksandrovsky

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The polarized absorption spectra of trigonal single crystal Nd 0.5Gd 0.5Fe 3(BO 3) 4 were measured in the spectral range 10,000-22,000 cm -1. The d-d and f-f transitions spectra were separated. The f-f transitions intensities were analyzed in terms of the Judd-Ofelt theory in a ferroborate with huntite structure for the first time, and the following parameters of the theory were obtained: Ω 2 = 4.4 × 10 -20 cm 2, Ω 4 = 8.04 × 10 -20 cm 2, and Ω 6 = 8.25 × 10 -20 cm 2. The strengths, spontaneous emission probabilities, branching ratios, spectroscopic quality factor and excited state lifetime were calculated for transitions from the 4F 3/2 state to 4I J manifold. All the obtained spectroscopic characteristics were compared with those of alumoborates with the same crystal structure.

Original languageEnglish
Pages (from-to)38-43
Number of pages6
JournalJournal of Alloys and Compounds
StatePublished - 15 Jul 2012
Externally publishedYes

Bibliographical note

Funding Information:
The work was supported by the Russian Foundation for Basic Researches grant 12-02-00026 , by the Russian President Grants SS- 1044.2012.2 and SS-4828.2012.2 , by Ministry of Education and Science of Russian Federation (Contract 16.740.11.0150), by grant no. SFU.F12 and by Projects No. 28, 43 and No. 101 of SB RAS.


  • Magnetically ordered materials
  • Optical properties
  • Rare earth alloys and compounds
  • Transition metal alloys and compounds


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