Doping-dependent properties in Photorefractive congruent SrxBa1-xNb2O6 : Ce, Cr crystals
| Autor(en): | Gubaev, A Demirbilek, R Pankrath, R Kapphan, S Kislova, I Pedko, B Trepakov, V |
Stichwörter: | doping effects; Materials Science; Materials Science, Multidisciplinary; niobate; phase transition temperature; Physics; Physics, Condensed Matter; UV-FIR absorption | Erscheinungsdatum: | 2004 | Herausgeber: | TAYLOR & FRANCIS LTD | Journal: | FERROELECTRICS | Volumen: | 303 | Startseite: | 185 | Seitenende: | 188 | Zusammenfassung: | The photorefractive properties of SrxBa1-xNb2O6 (SBN, congruent composition x=0.61) can be enhanced by doping with suitable polyvalent ions like Ce or Cr We report on optical absorption measurements in the UV-FIR region and on dielectric measurements in the temperature range 2-400 K as a function of the dopant concentration. The addition of a third doping component, photorefractive not active Li-ions, did not raise the ferroelectric phase transition temperature T-c. |
Beschreibung: | 10th European Meeting on Ferroelectricity, Univ Cambridge, Cambridge, ENGLAND, AUG 03-08, 2003 |
ISSN: | 00150193 | DOI: | 10.1080/00150190490453702 |
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