A NEW HOLOGRAPHIC TECHNIQUE FOR THE STUDY OF ANTIPARALLEL FERROELECTRIC DOMAINS

Autor(en): Kahmann, Frank
Matull, Ralph
Rupp, Romano A.
Seglins, Janis
Stichwörter: Materials Science; Materials Science, Multidisciplinary; Physics; Physics, Condensed Matter
Erscheinungsdatum: 1994
Herausgeber: TAYLOR & FRANCIS LTD
Journal: FERROELECTRICS
Volumen: 151
Ausgabe: 1
Startseite: 139
Seitenende: 142
Zusammenfassung: 
Beam-coupling topography is a new, nondestructive holo-graphic technique for spatially resolved imaging of antiparallel ferroelectric domains. Its basic principle is the interference of Bragg-diffracted beams from a holographic grating with collinear, transmitted ones. Full domain contrast and noise suppression is achieved by appropriate control of intensity and phase of the interfering beams. Using Sr0.61Ba0.39Nb2O6:Ce as an example, it is demonstrated that the method permits spatially resolved measurement of hysteresis loops and monitoring of photoassisted domain switching processes.
ISSN: 00150193
DOI: 10.1080/00150199408244734

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