251 citations · 981 across the 29 of their papers we have counts for
29 papers
Background dielectric permittivity: material constant or fitting parameter?
A. P. Levanyuk, B. A. Strukov, A. Cano
The concept of background dielectric constant proposed by Tagantsev, together with the distinction between critical and non-critical electric polarizations as a natural extension f…
Negative bulk modulus and possibility of loss of elastic stability near tricritical transitions in thin films on substrates
A. P. Levanyuk, S. A. Minyukov, I. B. Misirlioglu
Within the Landau-like approach we study anomalies of elastic moduli at phase transitions in thin films on substrates. We consider the case where, similar to many experimental case…
Single- and multi-domain ferroelectricity driven by interfaces
A. Cano, A. P. Levanyuk
The design of the interfacial bondings at metal-oxide interfaces yields exciting new phenomena and can be a route to sustain, and even promote, ferroelectricity at the nanoscale. W…
Effects of anisotropic elasticity in the problem of domain formation and stability of monodomain state in ferroelectric films
A. M. Bratkovsky, A. P. Levanyuk
We study cubic ferroelectrics films that become uniaxial with a polar axis perpendicular to the film because of a misfit strain due to a substrate. The main present result is the a…
Pseudo-proper ferroelectricity in thin films
A. Cano, A. P. Levanyuk
We study ferroelectricity in thin films of pseudo-proper ferroelectrics such as the so-called spiral multiferroics. We find that this type of ferroelectricity stands better against…
Continuous theory of ferroelectric states in ultrathin films with real electrodes
A. M. Bratkovsky, A. P. Levanyuk
According to a continuous medium theory, in very thin ferroelectric films with real metallic electrodes (or dead layers near the electrodes) the domain structure reduces to sinusoi…