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Title: The low-temperature synthesis of BiFeO 3-SrBi 2Nb 2O 9 complexes by sol-gel process
Authors: Gu, H.
Zheng, K.
Chen, K.
Cao, W.
Wang, J. 
Keywords: 0.1BiFeO 3-0.9SrBi 2Nb 2O 9
Issue Date: Apr-2005
Citation: Gu, H., Zheng, K., Chen, K., Cao, W., Wang, J. (2005-04). The low-temperature synthesis of BiFeO 3-SrBi 2Nb 2O 9 complexes by sol-gel process. Materials Letters 59 (8-9) : 912-915. ScholarBank@NUS Repository.
Abstract: Nanocrystalline 0.1BiFeO 3-0.9SrBi 2Nb 2O 9 powder was successfully synthesized by a ethanolamine-modified sol-gel technique from compounds, Bi(NO 3) 3•5H 2O, Sr(NO 3) 2, Fe(NO 3) 3•9H 2O and Nb(OC 2H 5) 5 in solution ethylene glycol monomethyl ether. The powder exhibited amorphous in structure below annealing temperature 400 °C and a pure phase of layered perovskite ferroelectric structure at annealing temperature 600 °C. There was a considerable degree of particle coalescence when the xerogel was heated at 400 °C. The grains exhibited spherical shape distribution, and the average particle size of powder was in the range 50-100 nm after annealing at 700 °C. The ceramics exhibited a dense fracture surface consisting of lamellar grains. © 2004 Elsevier B.V. All rights reserved.
Source Title: Materials Letters
ISSN: 0167577X
DOI: 10.1016/j.matlet.2004.09.047
Appears in Collections:Staff Publications

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