The flexoelectricity describes the contribution of the linear couplings between the electric
polarization and strain gradient and between polarization gradient and strain to the …

Raman investigations of the crystal lattice dynamics in classical ferroelectric perovskites
SrTiO 3, PbTiO 3, and BaTiO 3 have been analyzed. The specific features revealed in the …

High-resolution x-ray diffraction (XRD), Raman spectroscopy and total scattering XRD
coupled to atomic pair distribution function (PDF) analysis studies of the atomic-scale …

Surface recombination is a critical issue for tantalum nitride (Ta3N5)-based photoanodes in
solar water splitting application. The efficient cocatalysts (Ni-, Fe-, and Co-based) have been …

We report Raman study of oxygen reduced single crystal strontium titanate. Oxygen
reduction leads to the appearance of the forbidden first-order Raman peaks, as well as …

Residual ferroelectricity is observed in barium strontium titanate ceramics over 30 C above
the global phase transition temperature, in the same temperature range in which …

Abstract Thin films of Ba 0.5 Sr 0.5 TiO 3 (BSTO) were pulsed laser deposited on platinized
silicon substrates with varying oxygen pressure from 5× 10− 1 mbar to 5× 10− 6 mbar. A …

A key route to improving the performance of Ta 3 N 5 photoelectrochemical film devices in
solar driving water splitting to hydrogen is to understand the nature of the serious …

The origin of ferroelectricity in the cubic phase of BaTi 1− x Hf x O 3 has been investigated.
The presence of well-defined ferroelectric polarization versus electric field (PE) hysteresis …

Loss reduction is critical to develop Ba 1− x Sr x TiO 3 thin film tunable microwave dielectric
components and dielectric energy storage devices. The presence of ferroelectricity, and …