Piezoelectricity, which is an electromechanical effect induced by conversion between mechanical and electrical energy, one of the key functionalities in ferroelectric oxides. Traditionally, structural engineering synthesis via a variety processing control parameters has been well-established route to host so-called morphotropic phase boundaries for enhancing piezoelectricity. However, this invo...

Characterization methods for bulk non-centrosymmetric compounds are described. These methods include second-harmonic generation, piezoelectricity, pyroelectricity, and ferroelectricity. In this tutorial review with each phenomenon, details are given of the measurement techniques along with a brief history and background. Finally, data interpretation is discussed.

Piezoelectric materials have coupled mechanical and electrical energies long been used in devices for actuators, sensors, energy harvesters, frequency filters, various additional applications. Piezoelectricity requires a non-centrosymmetric crystal structure is therefore confined to that possess periodic crystalline structure. Due the non-crystalline nature of glass, piezoelectricity fundamenta...

semiconducting oxides in 20011, research into functional oxide-based, one-dimensional nanostructures has rapidly expanded because of their unique and novel applications in optics, optoelectronics, catalysis, and piezoelectricity. Semiconducting oxide nanobelts are a unique group of quasi-one-dimensional nanomaterials, which have been systematically studied for a wide range of materials with dis...

A microscopic theory is presented for piezoelectricity, electrostriction, and pyroelectricity in molecular crystals. The required coefficients are derived by combining a theoretical treatment of the dependence of molecular dipole moments on molecular displacement and a generalized elastic theory for internal strain.

Toupin's version of Saint-Venant's principle in linear elasticity is generalized to the case of linear piezoelectricity. That is, it is shown that, for a straight prismatic bar made of a linear piezoelectric material and loaded by a self-equilibrated system at one end only, the internal energy stored in the portion of the bar which is beyond a distance s from the loaded end decreases exponentia...

P iezoelectricity may be a means of achieving physiologic tooth movement. The generation of piezoelectricity in response to the mechanical deformation of bone has been reported by a number of researchers. l-6 When bone is deformed, there are generated piezoelectric charges which vary directly with the magnitude of the induced stress.6 These charges induce microcurrents to flow through bone and ...

This research focuses on the synthesis and characterization of a piezoelectric (β-CN)APB/ODPA polyimide. The remanent polarization and piezoelectric d31 and g33 coefficients are reported to assess the effect of synthesis variations. Each of the materials exhibits a level of piezoelectricity which increases with temperature. The remanent polarization is retained at temperatures close to the glas...

The paper presents a family of variational formulations of Trefftz finite elements wherein the assumed internal displacement and electric potential fields a priori fulfil the governing differential equations of the problem over the element sub-domain, while the inter-element continuity and the boundary conditions are enforced using a modified variational principle together with an independent f...