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Title: Internal friction in the ferroelectric-ferromagnetic composites
Authors: Zachariasz, Radosław
Bartkowska, Joanna Agnieszka
Bochenek, Dariusz
Niemiec, Przemysław
Keywords: Wang’s model, composites; relaxation time; internal friction; ferroelectric domain wall
Issue Date: 2013
Publisher: Institute of Metallurgy and Materials Science, Polish Academy of Sciences
Citation: Archives of Metallurgy and Materials, Vol. 58, iss. 4 (2013), s. 1327-1330
Abstract: In the work, temperature Q-1(T) and amplitude Q-1(e) dependences of internal friction for ferroelectric – ferromagnetic composites on the base of the PZT and ferrite were determined. The temperature dependences of internal friction Q-1 reveal the peak in the range of high temperatures. We have investigated the peak associated with the viscous-elastic mobility of ferroelectric domain walls. The internal friction due to the viscous-elastic mobility of ferroelectric domain walls was calculated ang’s theory. Based on internal friction measurements and theoretical considerations, the peak was described. Additionally the amplitude (isothermal) Q-1(e) dependences for the composites were made. This allowed for the interpretation of the maximum observed on the temperature dependences of the internal friction Q-1(T).
DOI: 10.2478/amm-2013-0168
ISSN: 1733-3490
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