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https://physrep.ff.bg.ac.rs/handle/123456789/798| Title: | Dielectric, spectral and Raman scattering studies of Nd-doped SrTiO <inf>3</inf> single crystal | Authors: | Popović, Dušan Romčević, N. Maletić, Slavica Dojčilović, J. Golubović, A. Nikolić, S. |
Keywords: | Dielectric response;Electronic states (localized);Light absorption and reflection | Issue Date: | 30-Nov-2006 | Journal: | Journal of Alloys and Compounds | Abstract: | Results of dielectric, spectral and Raman scattering studies of SrTiO 3 :Nd are reported in the paper, and are compared with one for nominally pure crystal. Dielectric and Raman investigations were conducted at the temperature range from 25 K to room temperature. Analysis of dielectric susceptibility T-dependence for test frequency of 1 MHz was conducted. Raman spectra contain broad peak with drastic anomalies at T-dependence of intensity around 105 K, indicating the existence of a phase transition (PT). The band gap studies were conducted by analyzing UV-vis spectroscopy. The transmission spectra at 300 K show a linear fit for direct transition. © 2006 Elsevier B.V. All rights reserved. |
URI: | https://physrep.ff.bg.ac.rs/handle/123456789/798 | ISSN: | 0925-8388 | DOI: | 10.1016/j.jallcom.2006.01.077 |
| Appears in Collections: | Journal Article |
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