Room Temperature Synthesis of Ferroelectric Barium Titanate Nanoparticles Using Peptide Nanorings as Templates

Nuraje, Nurxat; Su, Kai; Haboosheh, Amit; Samson, Jacopo; Manning, Edward P.; Yang, Nan‐Loh; Matsui, Hiroshi

doi:10.1002/adma.200501340

Cited by 105 publications

(78 citation statements)

References 34 publications

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“…Detailed analyses of the biological processes have allowed us to use or mimic them for creating a new generation of synthetic materials (Sugawara et al 2003;Nuraje et al 2006;Sano et al 2006). The Mms6 represents a class of proteins that are tightly associated with the BacMP surface in M. magneticum AMB-1 .…”

Section: In Vitro Chemical Synthesis Of Magnetite Particlesmentioning

confidence: 99%

Formation of magnetite by bacteria and its application

Arakaki

Nakazawa

Nemoto

et al. 2008

J. R. Soc. Interface.

220

176

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Magnetic particles offer high technological potential since they can be conveniently collected with an external magnetic field. Magnetotactic bacteria synthesize bacterial magnetic particles (BacMPs) with well-controlled size and morphology. BacMPs are individually covered with thin organic membrane, which confers high and even dispersion in aqueous solutions compared with artificial magnetites, making them ideal biotechnological materials. Recent molecular studies including genome sequence, mutagenesis, gene expression and proteome analyses indicated a number of genes and proteins which play important roles for BacMP biomineralization. Some of the genes and proteins identified from these studies have allowed us to express functional proteins efficiently onto BacMPs, through genetic engineering, permitting the preservation of the protein activity, leading to a simple preparation of functional protein-magnetic particle complexes. They were applicable to high-sensitivity immunoassay, drug screening and cell separation. Furthermore, fully automated single nucleotide polymorphism discrimination and DNA recovery systems have been developed to use these functionalized BacMPs. The nano-sized fine magnetic particles offer vast potential in new nano-techniques.

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Section: In Vitro Chemical Synthesis Of Magnetite Particlesmentioning

confidence: 99%

Formation of magnetite by bacteria and its application

Arakaki

Nakazawa

Nemoto

et al. 2008

J. R. Soc. Interface.

220

176

View full text Add to dashboard Cite

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“…Several chemical methods have been developed for the low-temperature preparation of micro-and nano-sized perovskite crystals such as molten salt synthesis [9][10], solvothermal and hydrothermal method [11][12][13][14][15][16][17], decomposition of bimetallic alkoxide precursors [18][19][20], microwave route [21][22][23][24], and biosynthesis [25]. Though these routes offer successful synthesis of perovskite nanoparticles with high quality and good crystalline, they usually require temperatures higher than 100°C or expensive reactants.…”

Section: Introductionmentioning

confidence: 99%

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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“…Meanwhile, the ferroelectric properties of BT nanocrystals have been investigated by several researchers. [9][10][11] The ferroelectric behaviors of individual spherical BT nanocrystals were visually demonstrated, and the dielectric properties of thin particulate films consisted of them were discussed. Recently, BT and ST nanocube single crystals which grew with {100} crystalline faces were synthesized by using hydrothermal process.…”

mentioning

confidence: 99%

Piezoresponse properties of orderly assemblies of BaTiO3 and SrTiO3 nanocube single crystals

Mimura

Kato

Imai

et al. 2012

Applied Physics Letters

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Orderly assemblies of BaTiO3 (BT) nanocubes, SrTiO3 (ST) nanocubes and BT-ST mixture nanocubes were fabricated on Pt-coated Si substrate directly by solution self-assembly and heated at 850 °C. The dielectric nanocubes aligned face to face in a quite wide region of several tens of square-micrometers with a height of one micrometer, and even inside of the structures was ordered. The piezoresponse of BT-ST mixture assembly showed non-linear curve and stepwise behavior at high poling field, which differed from ferroelectric BT and paraelectric ST nanocube assemblies.

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Room Temperature Synthesis of Ferroelectric Barium Titanate Nanoparticles Using Peptide Nanorings as Templates

Cited by 105 publications

References 34 publications

Formation of magnetite by bacteria and its application

Formation of magnetite by bacteria and its application

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

Piezoresponse properties of orderly assemblies of BaTiO3 and SrTiO3 nanocube single crystals

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