Domain Engineering in Bulk Ferroelectric Ceramics via Mesoscopic Chemical Inhomogeneity
Sign Up to like & getrecommendations! Published in 2022 at "Advanced Science"
DOI: 10.1002/advs.202200998
Abstract: Domain engineering in ferroelectrics endows flexibility for different functional applications. Whereas the domain engineering strategy for single crystals and thin films is diverse, there is only a limited number of strategies for bulk ceramics. Here,… read more here.
Keywords: domain; ferroelectric ceramics; chemical inhomogeneity; domain engineering ... See more keywords
Effects of uniaxial compressive stress on the electrocaloric effect of ferroelectric ceramics
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Materials Science"
DOI: 10.1007/s10853-020-04640-4
Abstract: The effects of uniaxial compressive stress on the electrocaloric effect (ECE) of ferroelectric ceramics are studied by Landau–Ginzburg–Devonshire (LGD) thermodynamic approach, direct method, and indirect techniques. Soft lead zirconate titanate ceramics is used as a… read more here.
Keywords: uniaxial compressive; compressive stress; stress; effects uniaxial ... See more keywords
Thermally stable ferroelectricity and photoluminescence in Sm-doped 0.8(Bi0.5Na0.5)TiO3-0.2SrTiO3 ferroelectric ceramics
Sign Up to like & getrecommendations! Published in 2017 at "Ceramics International"
DOI: 10.1016/j.ceramint.2016.09.146
Abstract: Abstract Reddish orange-emitting 0.8Bi 0.5 Na 0.5 TiO 3 -0.2SrTiO 3 - x Sm ferroelectric ceramics were prepared by the conventional solid-state reaction route, and their electrical and optical temperature stability were also investigated. Temperature-dependent… read more here.
Keywords: stable ferroelectricity; stability; thermally stable; photoluminescence ... See more keywords
Influence of microstructure features on electrocaloric effect in ferroelectric ceramics
Sign Up to like & getrecommendations! Published in 2018 at "Ceramics International"
DOI: 10.1016/j.ceramint.2018.02.008
Abstract: Abstract The electrocaloric effect (ECE) in the ferroelectric ceramics is determined by both the composition and the microstructure. This paper demonstrated the influences of the microstructure features on the ECE in BaTiO 3 ceramics. When… read more here.
Keywords: electrocaloric effect; microstructure features; ferroelectric ceramics; influence microstructure ... See more keywords
The effect of sintering atmospheres on the properties of CSBT-0.15 ferroelectric ceramics
Sign Up to like & getrecommendations! Published in 2018 at "Ceramics International"
DOI: 10.1016/j.ceramint.2018.04.180
Abstract: Abstract Ca0.15Sr1.85Bi4Ti5O18 (CSBT-0.15) ferroelectric ceramics were developed by the conventional solid-state reaction method under various sintering atmospheres. The influences of these sintering atmospheres on grain orientation, grain size, oxygen vacancies, ferroelectric properties and leakage mechanisms… read more here.
Keywords: sintering atmospheres; csbt ferroelectric; samples sintered; cm2 cm2 ... See more keywords
Excellent energy storage properties over a wide temperature range under low driving electric fields in NBT-BSN lead-free relaxor ferroelectric ceramics
Sign Up to like & getrecommendations! Published in 2020 at "Ceramics International"
DOI: 10.1016/j.ceramint.2020.10.040
Abstract: Abstract To develop environment-friendly dielectric capacitors with low working electric field and wide useable temperature, in this work, we fabricate (1-x)Na0.46Bi0.54TiO3- xBaSnO3((1-x)NBT-xBSN) lead-free relaxor ferroelectric ceramics by adding BaSnO3 into Na0.46Bi0.54TiO3 matrix. BSN exhibits slim… read more here.
Keywords: lead free; temperature; free relaxor; energy ... See more keywords
Computational design of microstructures of textured ferroelectric ceramics by phase field simulation
Sign Up to like & getrecommendations! Published in 2019 at "Computational Materials Science"
DOI: 10.1016/j.commatsci.2018.11.051
Abstract: Abstract Grain-oriented microstructure evolutions of ferroelectric ceramics were analyzed using phase field simulations. In templated grain growth, the coarsening behavior of the template particle was investigated in detail. Although a large grain boundary energy was… read more here.
Keywords: grain; phase field; computational design; ferroelectric ceramics ... See more keywords
Plasmonic-enhanced ferroelectric photovoltaic effect in 0–3 type BaTiO3-Au ceramics
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Alloys and Compounds"
DOI: 10.1016/j.jallcom.2019.01.223
Abstract: Abstract Ferroelectric ceramics possess great application potential in optoelectronic and solar energy devices. However, ferroelectric ceramics normally have large band gaps, strongly inhibiting their photovoltaic performances. In this work, we use a strategy to enhance… read more here.
Keywords: ferroelectric photovoltaic; photovoltaic effect; photovoltaic; ferroelectric ceramics ... See more keywords
Photochromic and Electric Field-Regulating Luminescence in High-Transparent (K,Na)NbO3-Based Ferroelectric Ceramics with Two-Phase Coexistence.
Sign Up to like & getrecommendations! Published in 2022 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.2c09564
Abstract: Rare earth Tb3+ doped (K0.465Na0.465Li0.07)(Nb0.93Bi0.07)O3 (KNNLB-x%Tb) lead-free transparent ferroelectric ceramics were designed and prepared. The effects of Tb3+ on phase structure, microstructure, optical transmittance, photoluminescence, and photochromic behaviors were studied. Although two ferroelectric phases coexist,… read more here.
Keywords: electric field; transparent; ferroelectric phases; ferroelectric ceramics ... See more keywords
Frequency dependences of complex constants of lead-free ferroelectric ceramics
Sign Up to like & getrecommendations! Published in 2020 at "Ferroelectrics"
DOI: 10.1080/00150193.2020.1736927
Abstract: Abstract In this work, the frequency dependences of complex piezoelectric, dielectric, and elastic parameters of lead-free ferroelectric ceramics based on solid solutions of the (Na, Li)NbO3 system were studied in the frequency range up to… read more here.
Keywords: lead free; free ferroelectric; frequency; dependences complex ... See more keywords
Enhanced Energy Storage Properties of La-Doped Sr0.6Ba0.4Nb2O6 Relaxor Ferroelectric Ceramics Prepared by Spark Plasma Sintering
Sign Up to like & getrecommendations! Published in 2022 at "Materials"
DOI: 10.3390/ma15124360
Abstract: In this work, La-doped Sr0.6Ba0.4Nb2O6 ferroelectric ceramics were fabricated by the conventional solid state reaction method (CS) and spark plasma sintering (SPS), respectively. The microstructure, phase structure, dielectric properties, relaxor behavior, ferroelectric and energy storage… read more here.
Keywords: plasma sintering; ferroelectric ceramics; spark plasma; energy storage ... See more keywords