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Thickness dependence of dielectric and piezoelectric properties for alternating current electric-field-poled relaxor-PbTiO3 crystals

Journal of Applied Physics, 2019
Relaxor-PbTiO3 crystals possess ultrahigh piezoelectricity when compared with state-of-the-art Pb(Zr,Ti)O3 ceramics. Recently, even higher piezoelectricity is observed in alternating current electric-field-poled (AC-poled) crystals. This poling technique
Chaorui Qiu   +3 more
semanticscholar   +1 more source

An energy band compactable B-rGO/PbTiO3 p-n junction: a highly dynamic and durable photocatalyst for enhanced photocatalytic H2 evolution.

Nanoscale, 2019
Reduced graphene oxide (rGO) intentionally doped with boron atoms is a promising tactic to extract bandgap energy and p-type semiconducting behavior from graphene-based materials.
Lekha Paramanik, K. H. Reddy, K. Parida
semanticscholar   +1 more source

Photocatalytic reduction for graphene oxide by PbTiO3 with high polarizability and its electrocatalytic application in pyrrole detection.

Journal of Colloid and Interface Science, 2020
Quick recombination of photogenerated electrons and holes in photocatalytic process remains a huge challenge. And the routine efforts are concentrated on heterojunction, metal decoration and surface defect strategies.
Qi Peng   +9 more
semanticscholar   +1 more source

Coexistence of two ferroelectric phases and improved room-temperature multiferroic properties in the (0.70)BiFe1 − xCoxO3–(0.30)PbTiO3 system

, 2020
In the present time, the focus of many researchers is to enhance the multiferroic properties of pure and doped BiFeO3 (BFO) based materials. However, the materials community has not yet achieved the desired multiferroic properties in single doped BiFeO3.
S. Sharma   +3 more
semanticscholar   +1 more source

Thickness-dependent evolution of piezoresponses and a/c domains in [101]-oriented PbTiO3 ferroelectric films

Journal of Applied Physics, 2020
It is known that high-index perovskite ferroelectric thin films exhibit giant permittivity, piezoelectric response, and a particular switching behavior. However, the fine domain configuration in high-index ferroelectric films is not yet clarified, which ...
Yanpeng Feng   +5 more
semanticscholar   +1 more source

Stupendous Photocatalytic Activity of p-BiOI/n-PbTiO3 Heterojunction: The Significant Role of Oxygen Vacancies and Interface Coupling

Journal of Physical Chemistry C, 2019
The combination of oxygen vacancies and p-n heterojunctions is exploited to pinpoint a valuable opportunity for effective minimization of charge recombination and enhanced photocatalytic activity.
Lekha Paramanik, K. H. Reddy, K. Parida
semanticscholar   +1 more source

Visualization of spontaneous electronic polarization in Pb ion of ferroelectric PbTiO3 by synchrotron-radiation x-ray diffraction

, 2020
In this study, we accurately visualized the valence electron density distributions of ferroelectrics PbTiO3 and BaTiO3 by analyzing synchrotron-radiation powder x-ray diffraction (SXRD) data using the Rietveld method and the maximum entropy method. Clear
T. Abe   +6 more
semanticscholar   +1 more source

Periodic vortex-antivortex pairs in tensile strained PbTiO3 films

, 2020
Topological lattices such as vortices are of importance in both scientific research and application potential. Here, we observed periodic vortex-antivortex pairs in PbTiO3/SrTiO3 multilayered films deposited on orthorhombic (110)-oriented GdScO3 by ...
Y. T. Chen   +9 more
semanticscholar   +1 more source

Effect of excess Pb in PbTiO3 precursors on ferroelectric and fatigue property of sol–gel derived PbTiO3/PbZr0.3Ti0.7O3/PbTiO3 thin films

Journal of Materials Science: Materials in Electronics, 2007
A series of Pb(1+x)TiO3/PbZr0.3Ti0.7O3/Pb(1+x)TiO3 (PTO/PZT/PTO) and PbZr0.3Ti0.7O3 (PZT) thin films were prepared by a sol–gel method. Different excess Pb content (x) (x = 0, 0.05, 0.10, 0.15, 0.20) were added to the PbTiO3 (PTO) precursors to investigate their effect on ferroelectric and fatigue properties of the PTO/PZT/PTO thin films.
Longhai Wang   +3 more
openaire   +1 more source

Ferroelectric PbTiO3/Au/PbTiO3 multilayers on LaAlO3 substrate by metalorganic chemical vapor deposition

Solid State Communications, 1995
Abstract We have successfully fabricated PbTiO 3 /Au/PbTiO 3 multilayers on (012) LaAlO 3 substrate using metalorganic chemical vapor deposition technique. The multilayers show smooth surface, fine grain size, good stoichiometry and sharp interfaces.
null Wen-hui Ma   +4 more
openaire   +1 more source

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