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Title: Scaling behavior of dynamic ferroelectric hysteresis in soft PZT ceramic: Stress dependence
Authors: Rattikorn Yimnirun
Supon Ananta
Yongyut Laosiritaworn
Athipong Ngamjarurojana
Supattra Wongsaenmai
Keywords: Materials Science
Physics and Astronomy
Issue Date: 1-Dec-2007
Abstract: Effects of electric field-frequency, electric field-amplitude, and mechanical stress on the hysteresis area were investigated on soft PZT ceramic. At stress-free condition, the investigation found the area scales with frequency and field-amplitude in power-law form, 〈A〉 α f-0.25E0; however, with different set of exponents in comparing to those in the investigation on thin films structure. On the other hand, with compressive stresses turning on, the same set of the exponents with the stress-free condition is found to confirm universality. In addition, the scaling form of the area to triple parameters; i.e., frequency, field-amplitude, and stress in a power law form, 〈A〉 - 〈Aρ=0= 〈 A Aρ= 0〉 α f0.25- 0.25 E0ρ0.44, was obtained.
ISSN: 15635112
Appears in Collections:CMUL: Journal Articles

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