نتایج جستجو برای: xsrxtio3
تعداد نتایج: 42 فیلتر نتایج به سال:
A range of modern applications require large and tunable dielectric, piezoelectric or pyroelectric response of ferroelectrics. Such effects are intimately connected to the nature of polarization and how it responds to externally applied stimuli. Ferroelectric susceptibilities are, in general, strongly temperature dependent, diminishing rapidly as one transitions away from the ferroelectric phas...
The direct piezoelectric effect of BaTiO3↔ Ba1−xSrxTiO3 graded ferroelectrics, whose compositions change in a sinusoidal form, is investigated via an extended phase-field method. obtained results demonstrate that the coefficient can be significantly enhanced by controlling amplitude variation. origin enhancement considering formation polarization domain structures and their behaviors under stra...
Structure, phonon, and energy storage density in Sr2+-substituted lead-free ferroelectric Ba1−xSrxTiO3 (BSTx) for compositions x = 0.1, 0.3, 0.7 were investigated using X-ray diffraction, Raman, polarization measurements as a function of temperature. The samples tetragonal 0.1 with large c/a ratio. anisotropy was decreased upon increasing transforming to cubic 0.7. changes structural properties...
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