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Ferroelectric property
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The material’s structure was analyzed through X-ray diffraction and scanning electron microscopy. The fabricated materials consist of NiTiO3 with a rhombohedral phase structure and CoFe2O4 with a cubic structure. The effect of sintering temperature and dwell time on the phase, microstructure, and ferroelectric properties of the ceramics was examined.
12p
dianmotminh02
03-05-2024
1
1
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Lead-free (Na0.59K0.41)(Nb1-xSbx)O3 ceramic (x = 0 ÷ 0.12) were prepared by the solid phase reaction method. This study aimed to address the need for practical applications by examining the impact of (K0.41Na0.59)NbO3 lead-free.
8p
viritesh
02-04-2024
4
2
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Ebook "A first example of a lyotropic smectic C* analog phase: Design, properties and chirality effects" reports the discovery of the lyotropic counterpart of the thermotropic SmC* phase, which has become famous as the only spontaneously polarized, ferroelectric fluid in nature.
130p
tudohanhtau1006
29-03-2024
2
1
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2 La-doped PZT Relaxor ferroelectric (RFE) thin films have been fabricated on the platinum-buffered silicon substrates by a sol-gel process. The microstructure, grain size, electrical properties, and energy-storage performance of the obtained thin films were investigated in detail.
8p
viironman
02-06-2023
3
1
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In this work, we carried out a study on NiTiO3 nanomaterial synthesized via citrategel method. The structural characteristics were determined by basic X-ray diffraction analysis. SEM analysis showed the surface morphology of the sample. The impedance spectra analysis was used to elucidate the dependence of complex impedance values on temperature and frequency.
12p
vidudley
20-02-2023
6
2
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Multiferroic materials refer to a class of materials which possess the intrinsic coupling of two or more ferroic orders (ferroelectric, ferroelastic, and ferromagnetic). Among them, magnetoelectric materials exhibiting both ferroelectric and ferromagnetic characteristics have received much attention due to their great potential in multifunctional applications such as spintronics, memory, and sensors.
10p
vidudley
20-02-2023
3
2
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In this study, the effects of Fe dopant on the structural, optical, and electrical properties of NiTiO3 materials prepared by sol-gel method were investigated. The prepared powders were investigated through X-ray diffraction, Raman scattering, scanning electron microscope, UV-visible absorption, vibrating sample magnetometer, electrical measurement to explore the structural, ferromagnetic, and electrical properties.
8p
viporsche
25-10-2022
6
2
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The polarization-electric field (P-E) loops reveal the ferroelectric nature of the BZCT/ZnO composites. The energy storage properties of BZCT/ZnO composite ceramics as a function of different wt. % of ZnO are found to be optimum at 1 wt. % with a recoverable energy density of 2.61 J/cm3 and an efficiency of 74.2%, at an electric field of 282 kV/cm
8p
meyerowitz
25-12-2021
9
0
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This paper focuses on design and realization of ferroelectric ceramic capacitors devoted to power passive components integration. The electrical properties of the integrated capacitors fabricated by screen printing technique are presented, discussed and the ways of improvements are given.
6p
sotritu
18-09-2021
14
1
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In this study, we investigate the effect of ZnO on the sintering behavior and physical properties of the PZT−PMnN−PSbN ceramics. We report the dielectric behavior of PZT−PMnN−PSbN + x% wt. ZnO ceramics that are given by the combination of a normal ferroelectric with two above relaxor families.
9p
nguaconbaynhay10
20-02-2021
4
2
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Traditional ceramic technology combined with a two-step sintering technique has been applied to prepare 0.96(K0.48Na0.48Li0.04)(Nb0.95Sb0.05)O3-0.04Bi0.5(Na0.82K0.18)0.5ZrO3 (KNLNS-BNKZ) piezoelectric ceramics. The experimental results show that the ceramic samples have a pure perovskite structure with the coexistence of tetragonal and rhombohedral phases.
10p
nguaconbaynhay10
19-02-2021
17
2
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In the present work, Co impurities were introduced to host NBTO materials through the sol-gel method. Results demonstrated the reduction in the optical band gap of pure and Co-doped NBTO, and that the observed room temperature ferromagnetism in Co-doped NBTO materials originates as an intrinsic phenomenon.
7p
tamynhan4
06-09-2020
10
1
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Lead-free ferroelectric Bi0.5Na0.5TiO3 materials integrated ferromagnetism and photoluminescence at room temperature. Fe and Sm cations were used as the magnetic and photoluminescence sources for the co-modified host Bi0.5Na0.5TiO3 materials. The (Fe, Sm)-modified Bi0.5Na0.5TiO3 materials were fabricated by using the sol-gel method. The structure of the samples was studied through X-ray diffraction and Raman scattering, which indicated that a single perovskite structure was successful fabricated.
9p
nguathienthan6
06-07-2020
15
0
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In this study, we report the synthesis of (Y, Ni) co-doped BFO materials with different doping contents by a sol-gel method. Structure, ferroelectric and ferromagnetic properties of BFO and Bi1-xYxFe0.975Ni0.025O3 (x = 0.00, 0.05, 0.10, and 0.15) materials were investigated and discussed.
6p
abcxyz123_02
03-03-2020
12
1
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7p
abcxyz123_02
03-03-2020
22
1
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The goads of this thesis: Successfully fabricated ceramic piezoelectric samples (Ba1-xCax) TiO3 (BCT) and BZT-BCT by solid phase synthesis method. BZTBCT materials must be good quality, high piezoelectric coefficient (500-600 pC / N). Studying the relationship between morphological competition and dielectric ferroelectric properties, especially with the high piezoelectric properties of materials.
26p
xacxuoc4321
09-07-2019
48
7
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This work studies on the thermodynamic properties of the ultra-thin magnetic films within the framework of a transverse Ising model. Equations for free energy, entropy and specific heat of spin system are obtained by using the mean field approximation.
7p
vixyliton2711
17-04-2019
22
0
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(Ba0.85Sr0.15)(Ti0.9Zr0.1)O3 (BSZT) lead-free ferroelectric thin films at the vicinity of the morphotropic phase boundary (MPB) were successfully deposited on Pt/Ti/SiO2/Si using a modified spin-coated sol-gel method. Microstructure and electrical properties of the thin film were studied.
7p
vixyliton2711
17-04-2019
27
1
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The microstructure, crystallographic structure and magnetic properties of ferroelectric-ferromagnetic PZT/CoCr heterostructures have been investigated by using XRD, SEM and VSM. Upon applying an electric field, the in-plane magnetization of the heterostructures decreases at various bias magnetic fields. The change in magnetization and the magnetization reversed voltage were obtained. The results demonstrate that the change in magnetic anisotropy can be controlled by electric field via strain-mediated magnetoelectric coupling.
4p
thuyliebe
09-10-2018
35
0
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Among lead-free ferroelectric materials, the Bi0.5Na0.5TiO3 (BNT) materials have been paying more attention because they exhibit good ferroelectric and piezoelectric properties, making BNT materials become promising candidates to replace Pb(Zr,Ti)O3. In this work, the lead-free ferroelectric BNT materials were synthesized by sol-gel method. The effect of fabrication parameters on microstructural and optical properties was studied.
8p
thuyliebe
08-10-2018
43
0
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