High‐Performance Photodetectors with Broad and High Operating Temperature Driven by Ferroelectric Phase Separation
Sign Up to like & getrecommendations! Published in 2025 at "Advanced Functional Materials"
DOI: 10.1002/adfm.202515384
Abstract: The linear response of photodetectors decreases at high temperatures, which highlights the need for breakthroughs over a wide temperature range. The solid solution photodetectors (1−x)K0.5Bi4.5Ti4O15‐xBaTiO3 (x = 0.0, 0.04, 0.06, 0.08, 0.10, 0.12), including tetragonal/orthorhombic… read more here.
Keywords: temperature; phase separation; ferroelectric phase; high performance ... See more keywords
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