Laminated Modulation of Tricritical Ferroelectrics Exhibiting Highly Enhanced Dielectric Permittivity and Temperature Stability
Sign Up to like & getrecommendations! Published in 2019 at "Advanced Functional Materials"
DOI: 10.1002/adfm.201807162
Abstract: Ferroelectric materials with large dielectric response and high temperature‐stability have found significant applications in advanced electronics and electrical power/storage equipment. The effective approaches explored up to now mainly focus on improving dielectric response by employing… read more here.
Keywords: temperature stability; enhanced dielectric; tricritical ferroelectrics; temperature ... See more keywords
The Temperature Stability of Nanometric Multilayers of Copper and Chromium–Nickel Steel (Cu/310S)
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Thermophysics"
DOI: 10.1007/s10765-019-2500-x
Abstract: Multilayers consisted of Cu and AISI 310S steel fabricated on a Si(100) monocrystalline silicon substrate by the magnetron sputtering method were investigated. The multilayers were differentiated by the number of periods (50, 100 and 150)… read more here.
Keywords: steel; temperature stability; temperature; 310s steel ... See more keywords
Dielectric relaxation, impedance spectra, temperature stability and electrical properties of Sr2MnSbO6-modified KNN ceramics
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Materials Science: Materials in Electronics"
DOI: 10.1007/s10854-019-02606-0
Abstract: Lead-free (1−x)K0.5Na0.5NbO3-x mol%Sr2MnSbO6 (abbreviated as KNN–xSMS, x = 0, 1 and 2) piezoelectric ceramics were prepared using the conventional solid-state sintering method. The effects of SMS on the microstructure and electrical properties of the KNN ceramics are… read more here.
Keywords: stability electrical; knn ceramics; electrical properties; temperature stability ... See more keywords
Composition gradient (1-x)Ba(Zr0.2Ti0.8)O3-x(Ba0.7Ca0.3)TiO3 film with improved dielectric, piezoelectric and ferroelectric temperature stability
Sign Up to like & getrecommendations! Published in 2020 at "Ceramics International"
DOI: 10.1016/j.ceramint.2020.05.111
Abstract: Abstract Lead-free (1-x)Ba(Ti0.8Zr0.2)O3-x(Ba0.7Ca0.3)TiO3 (BZT-BCT) possesses comparable piezoelectric constant with lead zirconate titanate (PZT), but its poor temperature electric performances stability and low Curie temperature limit its application. Here we designed composition graded BZT-BCT films with… read more here.
Keywords: temperature; temperature stability; piezoelectric ferroelectric; 7ca0 tio3 ... See more keywords
Temperature stability of the dielectric properties of Zr4+-doped CaCu3Ti4.2O12 ceramics for X9R capacitor applications
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Alloys and Compounds"
DOI: 10.1016/j.jallcom.2019.03.111
Abstract: Abstract In the present work, a giant dielectric constant (e′) ∼ 11672 was developed in a CaCu3Ti4.15Zr0.05O12 ceramic with a very low loss tangent (tanδ) ∼ 0.011 at 30 °C and 1 kHz over a temperature range of −60 °C to 110 °C. The resulting… read more here.
Keywords: temperature stability; stability dielectric; properties zr4; dielectric properties ... See more keywords
Rare earth element boosting temperature stability of (K,Na)NbO3-based ceramics
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Alloys and Compounds"
DOI: 10.1016/j.jallcom.2019.05.040
Abstract: Abstract It is difficult to realize the balanced development of piezoelectric response {piezoelectric constant (d33) and strain} and temperature stability of potassium-sodium niobate ceramics. Here, we constructed one kind of lead-free piezoceramic system of 0.965K0.45Na0.55Nb0.96Sb0.04O3-0.035(Bi1-xHox)0.5Na0.5HfO3,… read more here.
Keywords: temperature stability; earth element; temperature; rare earth ... See more keywords
Balanced development of dielectric permittivity, loss tangent, and temperature stability in K0.5Na0.5NbO3-based ceramic capacitors
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Alloys and Compounds"
DOI: 10.1016/j.jallcom.2019.152798
Abstract: Abstract Ceramic capacitors are extremely expected to attain the high dielectric permittivity (e′) and low loss tangent (tanδ) stabilized in an ultra-wide operating temperature range. In this work, we improved e′, tanδ and their temperature… read more here.
Keywords: ceramic capacitors; loss tangent; temperature; dielectric permittivity ... See more keywords
Improved temperature stability and high piezoelectricity in lead-free barium titanate-based ceramics
Sign Up to like & getrecommendations! Published in 2018 at "Journal of the European Ceramic Society"
DOI: 10.1016/j.jeurceramsoc.2018.08.004
Abstract: Abstract To achieve high piezoelectricity and the corresponding good temperature stability of BaTiO3 (BT) ceramics, a new system of (1-x-y) BaTiO3 – yCaTiO3 – x(BaZr1-zHfz)O3 (BT-yCT-xBZHz) was designed. The O-T phase boundary was observed at 0.065 ≤ x ≤ 0.085, 0.08 ≤ y ≤ 0.12 and 0 ≤ z ≤ 1.0… read more here.
Keywords: lead free; temperature; temperature stability; based ceramics ... See more keywords
Defect states and temperature stability of Eu 2+ center in Eu-doped yttrium aluminum garnet
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Luminescence"
DOI: 10.1016/j.jlumin.2017.05.065
Abstract: Abstract We study defect states in Eu-doped Y 3 Al 5 O 12 powder by thermally stimulated luminescence (TSL) in the temperature range 77–500 K. We identify the main TSL peaks, analyze them by the initial… read more here.
Keywords: states temperature; defect states; temperature stability; stability center ... See more keywords
High-temperature stability of Pd alloy membranes containing Cu and Au
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Membrane Science"
DOI: 10.1016/j.memsci.2017.09.012
Abstract: Abstract High-temperature stability of Pd-based membranes benefits their application in steam reformers and sulfur-contaminated H 2 streams because both membrane reforming efficiency and sulfur tolerance of Pd alloys increase much with temperature. Hence, we investigated… read more here.
Keywords: temperature; temperature stability; high temperature; stability ... See more keywords
Enhancing the Temperature Stability of 0.42PNN-0.21PZ-0.37PT Ceramics through Texture Engineering.
Sign Up to like & getrecommendations! Published in 2022 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.1c21459
Abstract: Although the MPB composition 0.42PNN-0.21PZ-0.37PT ceramic has high piezoelectric properties, its temperature stability at room temperature is rather poor due to the low phase-transition temperature. By texture engineering using BaTiO3 (BT) as the template, the… read more here.
Keywords: 42pnn 21pz; texture engineering; temperature stability; temperature ... See more keywords