A NEW HOLOGRAPHIC TECHNIQUE FOR THE STUDY OF ANTIPARALLEL FERROELECTRIC DOMAINS

被引：0

作者：

Kahmann, Frank ^{[1
]}

Matull, Ralph ^{[1
]}

Rupp, Romano A. ^{[1
]}

Seglins, Janis ^{[2
]}

机构：

[1] Univ Osnabruck, Fachbereich Phys, D-49069 Osnabruck, Germany

[2] Univ Latvia, Inst Solid State Phys, LV-226063 Riga, Latvia

来源：

FERROELECTRICS | 1994年 / 151卷 / 01期

关键词：

D O I：

10.1080/00150199408244734

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

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.

引用

页码：139 / 142

页数：4

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