Ferroelectric phase-transition-assisted anomaly in the electric resistivity (FPTAA) of lead-free PTC thermistors
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Materials Science: Materials in Electronics"
DOI: 10.1007/s10854-017-8216-4
Abstract: Ceramic composites in the BaTiO3–(Bi1/2Na1/2)TiO3 system exhibiting a positive temperature coefficient of electrical resistivity effect were prepared using a conventional solid-state reaction method. The composite samples were sintered in nitrogen to achieve their final-phase properties,… read more here.
Keywords: resistivity; phase; transition assisted; phase transition ... See more keywords
Monte Carlo study combined with Blume-Capel model of ferroelectric phase transitions of a naphthalene-like structure with defects
Sign Up to like & getrecommendations! Published in 2020 at "Computational Materials Science"
DOI: 10.1016/j.commatsci.2020.110137
Abstract: Abstract We have used the Monte Carlo simulations combined with Blume-Capel model to investigate the ferroelectric phase transitions of a naphthalene-like structure with defects. The ferroelectric Curie temperature has been deduced from the variation of… read more here.
Keywords: blume capel; capel model; combined blume; monte carlo ... See more keywords
Origin of magnetic, magnetoelectric effect and the influence of reentrant ferroelectric phase on the structural and multiferroic properties of Dy3+-Fe3+ co-substituted BaTiO3 ceramics
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Magnetism and Magnetic Materials"
DOI: 10.1016/j.jmmm.2021.168260
Abstract: Abstract Retain of phase pure ferroelectric tetragonal phase (P4mm) achieved from the coexistence of paraelectric hexagonal phase (P63/mmc) + ferroelectric phase without the loss of polarisation and magnetization under the Dy3+-Fe3+ co-substitution on BaTiO3, Ba1-yDyyTi1-xFexO3 (x = 0.05; y = 0;… read more here.
Keywords: ferroelectric phase; multiferroic properties; dy3 fe3; batio3 ... See more keywords
Anisotropic thermal properties and ferroelectric phase transitions in layered CuInP2S6 and CuInP2Se6 crystals
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Physics and Chemistry of Solids"
DOI: 10.1016/j.jpcs.2017.08.013
Abstract: Abstract Thermal diffusivity and thermal conductivity have been studied for the layered crystals CuInP 2 S 6 , CuInP 2 Se 6 from 30 K to 350 K, showing a relevant thermal anisotropy. Heat is much more… read more here.
Keywords: properties ferroelectric; anisotropic thermal; phase transitions; thermal conductivity ... See more keywords
Synthesis and Characterization of a Displacement-Type Ferroelectric-Ferroelectric Phase Transition Compound [(NH3)(CH2)3(NH3)]2[InBr6]Br·H2O.
Sign Up to like & getrecommendations! Published in 2022 at "Inorganic chemistry"
DOI: 10.1021/acs.inorgchem.2c01876
Abstract: Ferroelectric materials have aroused the researchers' great interest due to their wide applications. Here, a displacement-type ferroelectric-ferroelectric phase transition material [(NH3)(CH2)3(NH3)]2[InBr6]Br·H2O (1) with Tc = 143 K was successfully prepared. The ferroelectric phase transition is… read more here.
Keywords: phase transition; ch2 nh3; ferroelectric phase; nh3 ch2 ... See more keywords
23Na NMR Spectroscopic Quantification of the Antiferroelectric–Ferroelectric Phase Coexistence in Sodium Niobate
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Physical Chemistry C"
DOI: 10.1021/acs.jpcc.0c07202
Abstract: The irreversible field-induced phase transition between the antiferroelectric (P) and ferroelectric (Q) polymorphs of sodium niobate (NaNbO3) ceramics constitutes a focal point in improving the material’s energy storage properties. The coexistence of P and Q… read more here.
Keywords: antiferroelectric ferroelectric; field; ferroelectric phase; sodium niobate ... See more keywords
Understanding the formation of the metastable ferroelectric phase in hafnia-zirconia solid solution thin films.
Sign Up to like & getrecommendations! Published in 2018 at "Nanoscale"
DOI: 10.1039/c7nr06342c
Abstract: Hf1-xZrxO2 (x ∼ 0.5-0.7) has been the leading candidate of ferroelectric materials with a fluorite crystal structure showing highly promising compatibility with complementary metal oxide semiconductor devices. Despite the notable improvement in device performance and… read more here.
Keywords: phase; understanding formation; metastable ferroelectric; formation ... See more keywords
Effect of chemical substitution and external strain on phase stability and ferroelectricity in two dimensional M2CT2 MXenes.
Sign Up to like & getrecommendations! Published in 2022 at "Nanoscale"
DOI: 10.1039/d2nr00514j
Abstract: Two dimensional ferroelectric materials are gaining increasing attention for use in ultrathin electronic devices owing to the presence of a spontaneous polarization down to one or two monolayers. However, such materials are difficult to identify,… read more here.
Keywords: m2ct2 mxenes; chemical substitution; two dimensional; ferroelectric phase ... See more keywords
Thermodynamic control of ferroelectric-phase formation in HfxZr1−xO2 and ZrO2
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Applied Physics"
DOI: 10.1063/1.5028181
Abstract: Since ferroelectric HfxZr1−xO2 is different from other ferroelectric doped-HfO2 materials in terms of the dopant sensitivity of the formation of a ferroelectric phase, the mechanism of formation of a ferroelectric phase is investigated in comparison… read more here.
Keywords: hfxzr1 xo2; phase; formation; ferroelectric phase ... See more keywords
Non-contact localized probing of ferroelectric phase transitions in Li+/Er3+:BaTiO3 ceramics using fluorescence abnormalities
Sign Up to like & getrecommendations! Published in 2020 at "Applied Physics Letters"
DOI: 10.1063/1.5129900
Abstract: Fluorescence abnormalities associated with the ferroelectric phase transition of Li+/Er3+:BaTiO3 (BLET) ceramics were studied based on photoluminescence (PL) spectra. Sharp changes were found in the integrated intensities, peak intensities, and fluorescence intensity ratios of both… read more here.
Keywords: phase; fluorescence abnormalities; phase transition; ferroelectric phase ... See more keywords
Stability of ferroelectric phase and structural characteristics in oriented PbTiO3 ceramic coating formed by aerosol deposition method
Sign Up to like & getrecommendations! Published in 2023 at "Applied Physics Letters"
DOI: 10.1063/5.0140533
Abstract: Temperature-dependent structural variations of ceramic coatings of lead titanate PbTiO3 (PT) formed at room temperature (RT) via aerosol deposition (AD) have been investigated to evaluate the stability of the ferroelectric phase. Synchrotron radiation x-ray diffraction… read more here.
Keywords: stability ferroelectric; aerosol deposition; ferroelectric phase; temperature ... See more keywords