Preparation of BaxSr1−xTiO3 (x=0–1) nanoparticles by wet-chemical decomposition of Ti-complex and study their dielectric properties

Pramanik, Nimai Chand; Anisha, N.; Abraham, P.A.; Panicker, N. Rani

doi:10.1016/j.jallcom.2008.09.020

Cited by 31 publications

(20 citation statements)

References 40 publications

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“…At the same time, Ba0.7Sr0.3TiO3 reached the maximum of polarization exactly at room temperature. Hence, Ba0.7Sr0.3TiO3 shows higher performance in dielectric constant than other BST powders at room temperature which was reported by Pramanik et al [41]. At room temperature, Ba0.7Sr0.3TiO3 reached the maximum of polarization exactly.…”

Section: Resultsmentioning

confidence: 50%

A surfactant-free route to synthesize Ba x Sr1−x TiO3 nanoparticles at room temperature, their dielectric and microwave absorption properties

Liu

Wang

et al. 2016

Sci. China Mater.

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Perovskite materials, such as BaxSr1−xTiO3 (BST), have been continuously receiving attentions due to their unique ferroelectric, pyroelectric, dielectric, piezoelectric and electric-optic properties. Here, we report a facile route for the synthesis of BST nanocrystalline materials by fast mixing of MCl2 (M = Ba, Sr) aqueous solution and titanium isopropoxide ethanol solution at room temperature without using any surfactants or structure-directing templates. The molar ratio of Ba/Sr was controlled by adjusting the original molar ratio of BaCl2·2H2O and SrCl2·6H2O. The dielectric properties and microwave absorption capability of the BST nanocrystalline were studied. The results indicate that the BST nanocrystalline material has the best dielectric and microwave absorption properties in the case of Ba0.7Sr0.3TiO3. The present strategy is facile, low cost and high yield, which may provide a new route for the synthesis of other perovskite materials.

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Section: Resultsmentioning

confidence: 50%

A surfactant-free route to synthesize Ba x Sr1−x TiO3 nanoparticles at room temperature, their dielectric and microwave absorption properties

Liu

Wang

et al. 2016

Sci. China Mater.

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“…Ferroelectric materials have been extensively employed in several industrial applications, including dynamic random access memory, microwave filters, infrared detectors, dielectric phase shifters, and hydrogen gas sensors, due to their excellent ferroelectric, dielectric, piezoelectric, pyroelectric, and photoelectric properties [1][2][3][4][5][6]. At present, materials such as Ba x Sr 1−x TiO 3 (BST), BaZr x Ti 1−x O 3 (BZT), PbZr x Ti 1−x O 3 (PZT), and Pb 1−x Ba x TiO 3 (PBT) systems have been intensively investigated [7][8][9][10][11][12][13].…”

Section: Introductionmentioning

confidence: 99%

Microstructure and antiferroelectric-like behavior of PbxSr1−xTiO3 ceramics

Chen

Yang

Zhang

et al. 2009

Journal of Alloys and Compounds

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“…[1][2][3] The BaTiO 3 , SrTiO3 or their solid solutions (BaxSr1-xTiO3, x = 0 ~ 1, BST) demonstrate outstanding dielectric, ferroelectric, pyroelectric and/or piezoelectric properties. It is well-known that these properties critically depend on their chemical compositions and structural characteristics.…”

Section: Introductionmentioning

confidence: 99%

Low-temperature Synthesis of Highly Crystalline Ba_xSr_1-xTiO₃Nanoparticles in Aqueous Medium

Kim¹,

Rawal²,

Sung³

et al. 2011

Bulletin of the Korean Chemical Society

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We report the synthesis of SrTiO3, BaTiO3 and BaxSr1-xTiO3 (BST) nanoparticles (NPs) in various compositions (x = 0.25, 0.5 and 0.75) by an inorganic sol-gel method under a basic condition. Highly crystalline nanoparticles were formed at the reaction temperature of 25 -100 o C from a stabilized titanium alkoxide in tetramethylammonium hydroxide (TMAH) and barium or strontium acetate in aqueous solution. Morphology and particle structure of the synthesized BST NPs were characterized by scanning electron microscopy (SEM), X-ray diffraction (XRD) and transmission electron microscopy (TEM). The BST nanoparticles in various compositions were monodispersed without mutual aggregation, and their average sizes were in the range of 70 -80 nm. Furthermore, they showed highly crystallized perovskite phase over the whole composition range from SrTiO3 to BaTiO3. We also proposed a mechanism for the low-temperature formation of BST NPs.

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Preparation of BaxSr1−xTiO3 (x=0–1) nanoparticles by wet-chemical decomposition of Ti-complex and study their dielectric properties

Cited by 31 publications

References 40 publications

A surfactant-free route to synthesize Ba x Sr1−x TiO3 nanoparticles at room temperature, their dielectric and microwave absorption properties

A surfactant-free route to synthesize Ba x Sr1−x TiO3 nanoparticles at room temperature, their dielectric and microwave absorption properties

Microstructure and antiferroelectric-like behavior of PbxSr1−xTiO3 ceramics

Low-temperature Synthesis of Highly Crystalline Ba_xSr_1-xTiO₃Nanoparticles in Aqueous Medium

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Preparation of BaxSr1−xTiO3 (x=0–1) nanoparticles by wet-chemical decomposition of Ti-complex and study their dielectric properties

Cited by 31 publications

References 40 publications

A surfactant-free route to synthesize Ba x Sr1−x TiO3 nanoparticles at room temperature, their dielectric and microwave absorption properties

A surfactant-free route to synthesize Ba x Sr1−x TiO3 nanoparticles at room temperature, their dielectric and microwave absorption properties

Microstructure and antiferroelectric-like behavior of PbxSr1−xTiO3 ceramics

Low-temperature Synthesis of Highly Crystalline BaxSr1-xTiO3Nanoparticles in Aqueous Medium

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Low-temperature Synthesis of Highly Crystalline Ba_xSr_1-xTiO₃Nanoparticles in Aqueous Medium