Ultrafast spectroscopy can provide unique tools to study and control electronic and structural dynamics on a femtosecond time scale. Here we study, the yet little explored multiferroic material, BaTiO3-BiFeO3 (BTO-BFO), that has demonstrated enhanced magnetic properties, a higher DC resistance in comparison to BFO, and improved magnetoelectric coupling. Our studies include ultrafast time resolv...

Articles you may be interested in High-rate performance of ferroelectric BaTiO3-coated LiCoO2 for Li-ion batteries Appl. Interfacial dead layer effects on current-voltage characteristics in asymmetric ferroelectric tunnel junctions Intrinsic ferroelectric properties of the nonstoichiometric perovskite oxide Ba 1 − x Ti 1 − y O 3 − x − 2 y

We report on the observation of ,1.54 mm guided wave absorption and ̄uorescence in channel waveguides fabricated in erbium-doped thin-®lm epitaxial BaTiO3. Luminescence transient measurements indicate that the relaxation of the excited Er ions is dominantly radiative. q 2000 Elsevier Science S.A. All rights reserved.

Optical properties of cobalt ferrite (CoFe2O4)/barium titanate (BaTiO3) nanoparticles are modeled and simulated utilizing density functional theory (DFT) finite element analysis (FEA) intended for various particle sizes. The absorption maxima electronic excitations is red-shifted from 259.51 nm to 315.27 employing quantum mechanical approach 260 280 using analysis, corresponding enlarging sizes...

The analysis of rotational effect on the characteristics of plane waves propagating in a half space of generalized thermo-piezoelectric medium is presented in context of linear theory of thermo-piezoelectricity including Coriolis and centrifugal forces. The governing equations for a rotating generalized thermo-piezoelectric medium are formulated and solved for plane wave solutions to show the p...

This is a comment on the previously published paper "Enhancement of nonlinear optical properties of BaTiO3 nanoparticles by the addition of silver seeds," [Opt. Express20, 26511 (2012)10.1364/OE.20.026511]. An erroneous equation given in the manuscript is corrected with a more accurate equation in this comment.

The integration of ferroelectrics in electronic devices requires that they be used in the form of thin films, which implies that for such systems finite-size effects related to the presence of a ferroelectric-electrode interface become important. In this thesis, a number of theoretical studies are presented on the properties of metal-ferroelectric-metal structures, focusing on the impact of the...

We propose energy band engineering to enhance tunneling electroresistance (TER) in ferroelectric tunnel junctions (FTJs). predict that an ultrathin dielectric layer with a smaller gap, embedded into barrier layer, acts as switch controlling high and low conductance states of FTJ depending on polarization orientation. Using first-principles modeling based density functional theory, we investigat...