Results 61 to 70 of about 3,198,521 (185)
Basic equations for ferroelectrics
, 2008 A set of new formula of energy functions for ferroelectrics was proposed, and then the new basic equations were derived in this paper. The finite element formulation based on the new basic equations was improved to avoid the equivalent nodal load ...
Li HJ(李海军) +2 more
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Landau Expansion for Ferroelectrics: Which Variable to Use?
The problem of the choice of the order parameter of the Landau expansion of proper ferroelectrics is discussed. The expansion with respect to the (i) electric displacement, (ii) polarization, (iii) ferroelectric contribution to the polarization, (iv ...
Tagantsev, A.K.
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Porous flexible molecular-based piezoelectric composite achieves milliwatt output power density
Nature CommunicationsMolecular ferroelectrics have made breakthrough progress in intrinsic piezoelectric response that can be on par with advanced inorganic piezoelectric ceramics.
Jia-Qi Luo +7 more
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Crystals, 2020 The effective ionic charges of lead-free perovskite dielectric complex compounds were investigated with molecular orbital calculation. The base model was a double perovskite cluster that consisted of octahedral oxygen cages with a transition metal ion of
Naohisa Takesue, Jun-ichi Saito
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Advanced ScienceWith outstanding advantages of chemical synthesis, structural diversity, and mechanical flexibility, molecular ferroelectrics have attracted increasing attention, demonstrating themselves as promising candidates for next‐generation wearable electronics ...
Xiao‐Xing Cao +11 more
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Optical properties and model of relaxor ferroelectrics
, 2020 Phenomenological approach to a relaxor theory is developed and some experi-mental results in the support of this theory are received. The optical absorption spectrum, luminescent emission and photoconductivity are investigated in the wide temperature ...
Nikitin S. +4 more
core
Zero-Dimensional Molecular Ferroelectrics with Significant Nonlinear Effect and Giant Entropy
, 2022 The search for ferroelectric materials that have a significant progress in applications, such as ferroelectric field-effect transducers, piezoelectric sensors, nonlinear optical devices, electrocaloric refrigeration, and so forth, remains a great ...
Yen Wei (1396648) +10 more
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Subterahertz dielectric relaxation in lead-free Ba(Zr,Ti)O3 relaxor ferroelectrics
Nature Communications, 2016 Relaxor ferroelectrics possess potential microwave frequency applications due to characteristic dielectric relaxation properties however the underlying mechanism is debated.
D. Wang +4 more
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Ferroelectricity in Organic Molecular Crystals
Molecular Science, 2011 Ferroelectricity has been time-honored subject in terms of various electronic, electro-mechanical, and optical functions. Developing organic ferroelectrics with advantages of light-weight, flexible, low-cost, and environmentally benign characteristics is surely in demand, yet needs elaborate chemical designs of objective functions.
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Charge localization in the model of relaxor ferroelectrics [PDF]
, 2003 Phenomenological approach to a relaxor theory is developed and some experimental results in the support of this theory are received. The optical absorption spectrum, luminescent emission and photoconductivity are investigated in the wide temperature ...
Nikitin S. +4 more
core