Aging of the ferroelectric hysteresis in Ce-doped Strontium-Barium-Niobate observed by holographic phase gratings

Autor(en): Dorfler, U
Granzow, T
Woike, T
Wohlecke, M
Pankrath, R
Imlau, M 
Stichwörter: Optics; Physics; Physics, Applied; POLARIZATION; RELAXOR FERROELECTRICS; SBN
Erscheinungsdatum: 2004
Herausgeber: SPRINGER HEIDELBERG
Journal: APPLIED PHYSICS B-LASERS AND OPTICS
Volumen: 78
Ausgabe: 2
Startseite: 211
Seitenende: 215
Zusammenfassung: 
The ferroelectric hysteresis of Strontium-Barium-Niobate single crystals doped with Ce (SBN:Ce) is measured by a holographic method. The hysteresis loop flattens out when measured repeatedly. The size of this aging effect strongly depends on the modulation depth m of the light intensity pattern: for m=1 the aging is less pronounced than for smaller m. This behavior is explained in the context of the model of frozen internal charges for the ferroelectric relaxor SBN.
ISSN: 09462171
DOI: 10.1007/s00340-003-1351-z

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