Doping-dependent properties in Photorefractive congruent SrxBa1-xNb2O6 : Ce, Cr crystals

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Gubaev A., Demirbilek R., Pankrath R., Kapphan S., Kislova I., Pedko B., ...More

FERROELECTRICS, vol.303, pp.185-188, 2004 (SCI-Expanded)

• Publication Type: Article / Article
• Volume: 303
• Publication Date: 2004
• Doi Number: 10.1080/00150190490453702
• Journal Name: FERROELECTRICS
• Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus
• Page Numbers: pp.185-188
• Yıldız Technical University Affiliated: No

Abstract

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.