Piezoelectric ceramics with high coupling and high temperature stability

Zhong, W. L.; Zhang, Peilin; Sidong, Liu

doi:10.1080/00150199008016513

Cited by 10 publications

(5 citation statements)

References 8 publications

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“…The phase boundary between the tetragonal and the cubic occurs at x = 0.3 for the PAD films but at x = 0.4 for the PLD films. It is believed that the highest dielectric constant can be obtained at the phase boundary, as many other material systems [46,47]. The results demonstrated that the PAD technique has superior advantages in controlling the stoichiometry of complex dielectric oxide thin films and the dielectric properties of these films are comparable with the films grown by PLD.…”

Section: Controlling Ability On the Stoichiometrymentioning

confidence: 86%

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Polymer‐assisted deposition of perovskite dielectric oxide thin films

Lin

Gao

2018

IET Nanodielectrics

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Perovskite dielectric oxide thin films are tremendously important because of their promising applications in microelectronics and optic-electronic devices. Towards scalable applications of these materials, the development of wellcontrolled and cost-effective fabrication techniques is still under development. Here, recent progresses in the fabrication of perovskite dielectric oxide thin films by using a generic chemical solution deposition technique named polymer-assisted deposition (PAD) are reviewed. In this technique, metal ions are bonded to water-soluble polymers, forming stable and homogeneous precursor solutions of metallic ions surrounded by polymers which prevent hydrolysis of metal ions. Fabrication of the perovskite dielectric oxide thin films using the PAD technique, both on single crystal substrates and base metallic substrates, has been realised with good controllability. The qualities of the films are comparable with those of the ones prepared by physical-vapour deposition techniques.

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Section: Controlling Ability On the Stoichiometrymentioning

confidence: 86%

Section: Controlling Ability On the Stoichiometrymentioning

confidence: 99%

Polymer‐assisted deposition of perovskite dielectric oxide thin films

Lin

Gao

2018

IET Nanodielectrics

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“…The relative content of low-spin Fe 2+ increased. The electron transportation of Fe 2+ ↔Fe 3+ can make the resistivity reduce to result in a certain amount of dielectric loss [13] .…”

Section: Xrd Analysismentioning

confidence: 99%

Synthesis and Microwave Electromagnetic Property of Nano-Sized Mn0.5Zn0.5Fe2O4 Spinel-Type Ferrite

Zhang

Sun

Tan

2010

AMR

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The nano-sized Mn0.5Zn0.5Fe2O4 spinel-type ferrite was synthesized by sol-gel auto-combustion method using citric acid as the chelating agents. The analysis methods of FT-IR, XRD, wave-guide were used to character the gel and the products after calcining. From the results, it was shown that the homogeneous organic complex base salts were formed in the process of gelation formation. The crystalline sizes of as-synthesis powders, calcined at 700°C for 2h and calcined at 1000°C for 2h were 15nm, 21nm and 25nm, respectively. The nanocrystalline had both dielectric loss and magnetic loss in the frequency range of measurement. The electron transportation of Fe2+↔Fe3+ can make the resistivity reduce to result in a certain amount of dielectric loss.

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“…Solid State Phenomena Vols. 121-123 diversion polarization of equivalent dipole [12,13] . The contribution of every polarization mode is not same in different range of frequency.…”

Section: Dielectric Properties Of Lamno 3 Nanocrystalmentioning

confidence: 99%

“…Because of the steering diversion polarization of equivalent dipole, the virtual part (ε＂) of the complex permittivity (tg(δ)=ε＂/ε＇) may has larger values to induce permittivity loss. The reasons of dielectric loss in hyperfrequency waves for nanosized LaMnO 3 was ordinary related to the characteristic effects of nanocrystalline [12] .Some special effects, such as quantum effect, small size effect and interface effect will appear when materials locate in nano-scale. These special effects lead to different microwave absorption properties for LaMnO 3 nanoparticles in electromagnetic field [14] .…”

Section: Dielectric Properties Of Lamno 3 Nanocrystalmentioning

confidence: 99%

Synthesis and Dielectric Property of Perovskite-Type LaMnO3 Nanoparticle

Sun

Zhang

Xiao

2007

SSP

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The perovskite-type nanocrystal LaMnO3 was prepared using sol-gel auto-combustion method with citric acid as the chelating agent. Some analytical methods consisted of FT-IR, XRD, TEM and wave-guide method were used to characterize the gel and the final products. The metal ions coordination compound, obtained from nitrate and citrate, underwent an auto-combustion process and voluminous ashes formed when calcining the complex in the air. From the result of the dielectric properity. It was shown that the dielectric coefficient curves and dielectric loss curve of LaMnO3 nanocrystals were smooth in the range of 8-11MHz. The dielectric loss can be obversed obviously in the measured range.

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Piezoelectric ceramics with high coupling and high temperature stability

Cited by 10 publications

References 8 publications

Polymer‐assisted deposition of perovskite dielectric oxide thin films

Polymer‐assisted deposition of perovskite dielectric oxide thin films

Synthesis and Microwave Electromagnetic Property of Nano-Sized Mn<sub>0.5</sub>Zn<sub>0.5</sub>Fe<sub>2</sub>O<sub>4</sub> Spinel-Type Ferrite

Synthesis and Dielectric Property of Perovskite-Type LaMnO<sub>3</sub> Nanoparticle

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