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Ferroelectric perovskite
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The orderedisorder phase transition in thin films at finite temperature and zero temperature (quantum phase transition) is discussed within the transverse Ising model using molecular field approximation.
5p
viberbers
09-08-2023
7
3
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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
18
2
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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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The perovskite oxide interface has attracted extensive attention as a platform for achieving strong coupling between ferroelectricity and magnetism. In this work, robust control of magnetoelectric (ME) coupling in the BiFeO3/BaTiO3 (BFO/BTO) heterostructure (HS) was revealed by using the first-principles calculation. Switching of the ferroelectric polarization of BTO induce large ME effect with significant changes on the magnetic ordering and easy magnetization axis, making up for the weak ME coupling effect of single-phase multiferroic BFO.
7p
covid19
14-06-2020
18
0
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Conductive-perovskite LaNiO3 thin films prepared by using solution process for electrode application
As a result, thecapacitor using Pb1.2(Zr0.4Ti0.6)O3ferroelectric layer annealed at 600oC and LNO bottom electrode providedan interesting ferroelectricity, which includeda remnant polarization of 21µC/cm2 and a saturated polarization of 35µC/cm2 . Moreover, the leakage current density was lower than 2 × 10-5 A/cm2 .
7p
cathydoll4
21-02-2019
21
0
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