The repolarization processes in ferroelectric TGS by harmonic analysis method

Autor:	S. N. Drozhdin, L. N. Kamysheva
Rok vydání:	1989
Předmět:	Harmonic analysis Nuclear magnetic resonance Amplitude Materials science Condensed matter physics Electric field Repolarization Interaction energy Condensed Matter Physics Ferroelectricity Order of magnitude Electronic Optical and Magnetic Materials Ion
Zdroj:	Ferroelectrics. 96:301-306
ISSN:	1563-5112 0015-0193
DOI:	10.1080/00150198908216789
Popis:	Harmonic analysis method was used in order to investigate the peculiarities of the repolarization process in the sinusoidal electric field of both nominally pure, irradiated by × rays and doped with Cr3+ ions TGS crystals. The measurements of the second harmonic amplitude of the repolarization current dependencing upon the amplitude and the frequency of the applied electric field as well as the temperature were carried out. The activation energy U act values of the relaxational motion of the domain walls as well as the values of the interaction energy U int between domain walls and point defects were determined. The value of U int is smaller than that of U act approximately by an order of magnitude.
Databáze:	OpenAIRE
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