J. A. Eiras
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View article: As-grown domain structure and local switching in [111]-cut Cu-doped KNN single crystals
As-grown domain structure and local switching in [111]-cut Cu-doped KNN single crystals Open
A comprehensive study of the ferroelectric domain structure in a [111]c-oriented KNN-Cu single crystal grown by the Bridgman route is presented. The research focused on both visualizing the domain structures in the as-grown crystal and the…
View article: Correlation of Structural Properties and Ferroelectricity in Cobalt and Iron Co‐Doped Aurivillius Ceramics Based on Rietveld Refinement Analysis
Correlation of Structural Properties and Ferroelectricity in Cobalt and Iron Co‐Doped Aurivillius Ceramics Based on Rietveld Refinement Analysis Open
This research examines the structural and ferroelectric characteristics of lanthanum‐modified Bismuth Titanate (Bi 4 Ti 3 O 12 ) ceramics by co‐doping with cobalt (Co 3+ ) and iron (Fe 3+ ). Structural refinement demonstrates that the La 3…
View article: Novel insights into PLMN-13PT ceramics: impact of spark plasma sintering on compositional and dielectric properties
Novel insights into PLMN-13PT ceramics: impact of spark plasma sintering on compositional and dielectric properties Open
This study investigates the effects of Spark Plasma Sintering (SPS) on the physical, structural, microstructural, dielectric, and optical properties of on 87[Pb (1−y) Laₓ(Mg 1/3 Nb 2/3 )O 3 ]-13PbTiO 3 , (PLMN-13PT) ceramics. The primary o…
View article: Achieving high energy storage performance and efficiency in lead-free SrTiO <sub>3</sub> ceramics via neodymium and lithium co-doping technique
Achieving high energy storage performance and efficiency in lead-free SrTiO <sub>3</sub> ceramics via neodymium and lithium co-doping technique Open
There is an immediate demand for eco-friendly, high-performance, and highly stable energy storage materials for pulse power systems. Ceramics based on SrTiO3 have a high breakdown strength (BDS) and dielectric constant. In this work, we fa…
View article: Effect of gamma rays irradiation in the structure, optical, and electrical properties of samarium doped bismuth titanate ceramics
Effect of gamma rays irradiation in the structure, optical, and electrical properties of samarium doped bismuth titanate ceramics Open
Ceramics have enormous potential in several emerging technologies, including nuclear reactors. Materials with chemical inertness, high-temperature operation, and physical properties stability under applied radiation with high energy are al…
View article: Effects of crystallization kinetics on the dielectric and electrical properties of BiFeO3films
Effects of crystallization kinetics on the dielectric and electrical properties of BiFeO3films Open
BiFeO 3 thin films were prepared using the chemical solution route on Pt/TiO 2 /SiO 2 /Si(100) substrates under different crystallization kinetics. The crystallization kinetic effects on the dielectric and electrical properties have been i…
View article: On the influence of pyrochlore phase on ferroelectric and dielectric properties of PZT thin films
On the influence of pyrochlore phase on ferroelectric and dielectric properties of PZT thin films Open
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View article: Magnetic and ferroelectric phase coexistence in multiferroic PFW-PT ceramics#
Magnetic and ferroelectric phase coexistence in multiferroic PFW-PT ceramics# Open
The multiferroic (1-x)PbFe2/3W1/3O3–xPbTiO3 solid solutions with various compositions x = 0, 0.10, 0.20 and 0.30 were investigated. The features of the relaxor-to-ferroelectric transition with increasing x were discussed based in connectio…
View article: Compositional Design of Dielectric, Ferroelectric and Piezoelectric Properties of (K, Na)NbO3 and (Ba, Na)(Ti, Nb)O3 Based Ceramics Prepared by Different Sintering Routes
Compositional Design of Dielectric, Ferroelectric and Piezoelectric Properties of (K, Na)NbO3 and (Ba, Na)(Ti, Nb)O3 Based Ceramics Prepared by Different Sintering Routes Open
Lead free piezoelectric materials are being intensively investigated in order to substitute lead based ones, commonly used in many different applications. Among the most promising lead-free materials are those with modified NaNbO3, such as…
View article: The relationship between ferroelectric domain pattern and properties of PLT21 ceramics
The relationship between ferroelectric domain pattern and properties of PLT21 ceramics Open
The light passing through a ferroelectric crystal tends to split into several separate beams due to refraction and reflection at the domain walls. This interaction of light with ferroelectric domains becomes one of the most important featu…