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Title: Electrical and dielectric properties of double doped BaTiO₃
Authors: Mohiddon, Md A
Goel, P
Yadav, K L
Kumar, M
Yadav, P K
Issue Date: Feb-2007
Publisher: CSIR
IPC CodeG01R27/26, G01N33/38
Abstract: Alkali (Li, Na, K) and lanthanum doped barium titanate has been prepared by solid-state reaction method. X-ray diffraction studies suggest the compound is in tetragonal phase with small change in c/a ratio. Detailed studies of dielectric constant as a function of temperature (40-300ºC) and frequency (100 Hz-1 MHz) suggest that the compounds do not have relaxor behaviour and undergoes diffuse type of phase transition. Curie temperature is found to be independent of type of alkali doping and measuring frequency. However, maximum dielectric constant and resistivity are found to be strongly dependent on frequency and type of doping.
Page(s): 64-68
ISSN: 0971-4588
Source:IJEMS Vol.14(1) [February 2007]

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