کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
5440940 | 1398241 | 2017 | 9 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Kinetically stabilized metastable polarization states in ferroelectric ceramics
ترجمه فارسی عنوان
حالت های قطبش متاستاز در سینتیک فرایند الکتریکی ثابت شده است
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
سرامیک و کامپوزیت
چکیده انگلیسی
By directly using experimental hysteresis loop data, a Landau theory-based model has been developed to investigate the effects of externally applied stimuli (electric field, stress, and temperature) on the average, time-dependent response in ferroelectric ceramics. For both PLZT and BNT-BT-KNN systems, experimentally observed (macroscopic) metastable states are a result of a free energy minimum that develops at a zero polarization state when the sample is subject to an externally applied field. Additionally, the frequency dependent hysteresis response demonstrates that a transition between relaxor ferroelectric and antiferroelectric develops at a critical cycling frequency, in agreement with the literature. The appearance of frequency-induced and electric field amplitude-induced kinetically stabilized phases is proposed and summarized in terms of frequency-stress and frequency-temperature response maps.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of the European Ceramic Society - Volume 37, Issue 2, February 2017, Pages 573-581
Journal: Journal of the European Ceramic Society - Volume 37, Issue 2, February 2017, Pages 573-581
نویسندگان
Zizhao Zhao, Yudong Cao, R. Edwin GarcÃa,