Investigation of the BaTiO3–BaMg1/3Nb2/3O3 system: Structural, dielectric, ferroelectric and electromechanical studies

Bensemma, N.; Trefalt, Gregor; Glinšek, Sebastjan; Kosec, Marija; Taïbî, K.; Abbaci, M.

doi:10.1007/s10832-013-9785-0

Cited by 4 publications

(4 citation statements)

References 16 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…For a certain strain, the smallest possible external electric field intensity is the most advantageous. Thus, the strains under different electric fields for various electrostrictive ceramics [6,[26][27][28][29][30][31][32][33] are compared in Figure 1c. Evidently, our Sm-PNZT sample could attain the same strain value under a relatively weak loading electric field.…”

Section: Resultsmentioning

confidence: 99%

High‐Performance Electrostrictive Relaxors with Dispersive Endotaxial Nanoprecipitations

Liu

Deng

et al. 2022

Advanced Materials

View full text Add to dashboard Cite

Ultrahigh‐precision manufacturing and detection have highlighted the importance of investigating electrostrictive materials with a weak stimulated extrinsic electric field and a simultaneous large hysteresis‐free strain. In this study, a new type of electrostrictive relaxor ferroelectric is designed by constructing a complex inhomogeneous local structure to realize excellent electrostrictive properties. A remarkably large electrostrictive coefficient, M33 (8 × 10−16 m2 V−2) is achieved. Through a combined atomic‐scale scanning transmission electron microscopy and advanced in situ high‐energy synchrotron X‐ray diffraction analysis, it is observed that such superior electrostrictive properties can be ascribed to a special domain structure that consists of endotaxial nanoprecipitations embedded in a polar matrix at the phase boundary of the rhombohedral/tetragonal/cubic phases. The matrix contributes to the high strain response under the weak extrinsic electric field because of the highly flexible polarization and randomly dispersed endotaxial nanoprecipitations with a nonpolar central region, which provide a strong restoring force that reduces the strain hysteresis. The approach developed in this study is widely applicable to numerous relaxor ferroelectrics, as well as other dielectrics, for further enhancing their electrical properties, such as electrostriction and energy‐storage capacity.

show abstract

Section: Resultsmentioning

confidence: 99%

High‐Performance Electrostrictive Relaxors with Dispersive Endotaxial Nanoprecipitations

Liu

Deng

et al. 2022

Advanced Materials

View full text Add to dashboard Cite

show abstract

“…Two BZT phases with slightly different unit cell parameters and c/a ratios were reported, and a solid explanation for the formation of zinc-deficient BZT phase was obtained by using high-resolution X-ray scattering analysis. This observation has been explained in terms of vacancy formation during the partial melting of the phases, which has been claimed to increase the degree of anti-site disorder [6,7]. There are also conflicting reports on the effects of non-stoichiometry on grain growth and densification in these systems.…”

Section: Introductionmentioning

confidence: 99%

Effects of Replacing Co2+ with Zn2+ on the Dielectric Properties of Ba [Zn1/3(Nb1/2Ta1/2)2/3]O3 Ceramics with High Dielectric Constant and High Quality Factor

Chen,

Fan,

Chang

et al. 2024

Ceramics

View full text Add to dashboard Cite

In this study, we used solid-state synthesis to prepare Ba[(ZnxCo1−x)1/3(Nb0.5Ta0.5)2/3]O3 microwave ceramics for mobile communications. Compared with Ba[Zn1/3(Nb0.5Ta0.5)2/3]O3, in the prepared materials, Co2+ substitution with Zn2+ improved the Q × f value and enabled densification and sintering at a lower temperature. We used X-ray diffraction (XRD) and scanning electron microscopy (SEM) to analyze the obtained microstructure. Ba[(ZnxCo1−x)1/3(Nb0.5Ta0.5)2/3]O3 was found to have a 1:2 ordered hexagonal structure, and its Q × f value increased with the increase in sintering temperature. In this work, excellent microwave dielectric properties—τf = −0.7 ppm/°C, εr = 34.5, and Q × f = 110,000 GHz—were obtained by sintering Ba[(Zn0.3Co0.7)1/3(Nb0.5Ta0.5)2/3]O3 at 1400 °C for 5 h.

show abstract

“…[7,8] As a substitute for PMN, BMN can be used as a relaxor to form a solid solution with other traditional piezoelectric ceramics to improve performance, such as PT-BMN and BT-BMN. [9,10] BaTiO 3 (BT) and its solid solutions are considered to be the promising lead-free piezoelectric materials due to high piezoelectric constant, low dielectric loss, and nonpolluting properties. [11,12] BT as a matrix, its dielectric properties and ferroelectric properties can be greatly improved through appropriate A-site or B-site modification, making it comparable to lead-based ceramics in some aspects.…”

Section: Introductionmentioning

confidence: 99%

Improved Dielectric and Energy Storage Properties of Ba_0.8Ca_0.2TiO₃ Ceramics by Doping Ba(Mg_1/3Nb_2/3)O₃

Zhang

Fang

et al. 2021

Physica Status Solidi (a)

View full text Add to dashboard Cite

Lead-free Ba 0.8 Ca 0.2 TiO 3 -xmol%Ba(Mg 1/3 Nb 2/3 )O 3 (abbreviated as BCT20-xBMN, x ¼ 0-8) ceramics are fabricated by a conventional solid-state reaction method. All BCT20-xBMN ceramics have pure perovskite phases which gradually change from tetragonal phase to cubic phase. The average grain size decreases significantly from %23 to %1.2 μm with the increase in BMN content. The T m corresponding to the dielectric maximum of BCT20-xBMN decreases with the increase in x, and the room temperature dielectric constant increases significantly. The recoverable energy storage density W rec and efficiency η% are enhanced to 0.17 J cm À3 and 81.3% for BCT20-6BMN due to the reduced remanent polarization by BMN doping. The W rec increases with increasing temperature and shows peak values near the T m . The η% of BCT20-6BMN and BCT20-7BMN has good temperature stability due to enhanced relaxor behavior.

show abstract

Investigation of the BaTiO3–BaMg1/3Nb2/3O3 system: Structural, dielectric, ferroelectric and electromechanical studies

Cited by 4 publications

References 16 publications

High‐Performance Electrostrictive Relaxors with Dispersive Endotaxial Nanoprecipitations

High‐Performance Electrostrictive Relaxors with Dispersive Endotaxial Nanoprecipitations

Effects of Replacing Co2+ with Zn2+ on the Dielectric Properties of Ba [Zn1/3(Nb1/2Ta1/2)2/3]O3 Ceramics with High Dielectric Constant and High Quality Factor

Improved Dielectric and Energy Storage Properties of Ba_0.8Ca_0.2TiO₃ Ceramics by Doping Ba(Mg_1/3Nb_2/3)O₃

Contact Info

Product

Resources

About

Investigation of the BaTiO3–BaMg1/3Nb2/3O3 system: Structural, dielectric, ferroelectric and electromechanical studies

Cited by 4 publications

References 16 publications

High‐Performance Electrostrictive Relaxors with Dispersive Endotaxial Nanoprecipitations

High‐Performance Electrostrictive Relaxors with Dispersive Endotaxial Nanoprecipitations

Effects of Replacing Co2+ with Zn2+ on the Dielectric Properties of Ba [Zn1/3(Nb1/2Ta1/2)2/3]O3 Ceramics with High Dielectric Constant and High Quality Factor

Improved Dielectric and Energy Storage Properties of Ba0.8Ca0.2TiO3 Ceramics by Doping Ba(Mg1/3Nb2/3)O3

Contact Info

Product

Resources

About

Improved Dielectric and Energy Storage Properties of Ba_0.8Ca_0.2TiO₃ Ceramics by Doping Ba(Mg_1/3Nb_2/3)O₃