An evaluation of the performance a recently developed formulation (lead-free) Sodium-Bismuth titanate – Barium Titanate (NBT-BT) piezoceramic is presented through construction and testing several immersion transducers based around new material “Pz12” from CTS Ferroperm (Kvistgaard, Denmark). Results are intended to yield insight into applicability this lead-free for use within industrial, NDT, ...

A polarized ferroelectric material can initiate the micro-electrolysis of water molecules which leads to formation reactive oxygen species (ROS) in an aqueous solution resulting selective bacteria killing. This study presents fabrication, characterization, and antimicrobial performance poled particulate composites. Barium calcium zirconate titanate (BCZT) micro-powder is synthesized by a solid-...

Point defects such as oxygen vacancies and protonic interstitials are not only essential for ionic conductivity in oxides since they also affect the mechanical electromechanical properties. These properties of nominally dry hydrated proton-conducting BaZr0.85M0.15O2.925+?H2? (M = Al, Ga, Sc, In, Y, Eu) ceramics investigated. Doping decreases Young's modulus with increasing radii difference betw...

Abstract Protonic ceramic fuel cells (PCFCs) have become the most efficient, clean and cost-effective electrochemical energy conversion devices in recent years. While significant progress has been made developing proton conducting electrolyte materials, mechanical strength durability still need to be improved for efficient applications. We report that adding 5 mol% Zn Y-doped barium cerate-zirc...

Barium zirconate (BaZrO$_3$) is one of the very few perovskites that claimed to retain an average cubic structure down \SI{0}{\K}, while being energetically close antiferrodistortive phase obtained by condensation a soft phonon mode at R point Brillouin zone boundary. In this work, we report combined experimental and theoretical study temperature dependence mode. Inelastic neutron x-ray scatter...

Rare-earth doped barium zirconate (BaZrO$_3$) ceramics are of interest as proton-conducting and luminescent materials. Here, we report a study dysprosium (Dy) other relevant point defects in BaZrO$_3$ using hybrid density-functional defect calculations. The tetravalent Dy$^{4+}$ is found to be structurally electronically stable at the Zr lattice site (i.e., Dy$_{\rm Zr}^0$), but most often ener...

Reducing the operating temperature in the 500-750 °C range is needed for widespread use of solid oxide fuel cells (SOFCs). Proton-conducting oxides are gaining wide interest as electrolyte materials for this aim. We report the fabrication of BaZr(0.8)Y(0.2)O(3-δ) (BZY) proton-conducting electrolyte thin films by pulsed laser deposition on different single-crystalline substrates. Highly textured...

A one-transistor and one-resistor (1T1R) architecture with a resistive random access memory (RRAM) cell connected to an organic thin-film transistor (OTFT) device is successfully demonstrated to avoid the cross-talk issues of only one RRAM cell. The OTFT device, which uses barium zirconate nickelate (BZN) as a dielectric layer, exhibits favorable electrical properties, such as a high field-effe...