Local Gradient Theory for Dielectrics

Local Gradient Theory for Dielectrics

Fundamentals and Applications

by Olha Hrytsyna and Vasyl Kondrat

311 pages, 153.00 x 229.00 mm, 34 B/W & 6 Color

  • Hardcover
  • ISBN: 9789814800624
  • Published: January 2020

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Devoted to the development of a local gradient theory of dielectrics, this book begins with a brief description of the known approaches to the construction of generalized (integral- and gradient-type) continuum theories. It then presents a new continuum-thermodynamic approach for constructing the nonlinear local gradient theory of thermoelastic and non-ferromagnetic polarized media. This approach considers non-diffusive and non-convective mass fluxes associated with changes in material microstructure. Within the linear approximation, the theory has been applied to study the transition modes of the formation of near-surface inhomogeneity of coupled fields in solids, disjoining pressure in thin films, etc. The theory describes a number of observable phenomena that cannot be explained within the classical theory of dielectrics, including the surface, size, piezoelectric, pyroelectric, and thermopolarization effects in centrosymmetric crystals; Mead’s anomaly; and high-frequency dispersion of elastic waves.