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Please use this identifier to cite or link to this item: http://eprint.iitd.ac.in/handle/2074/1349

Title: Structural and dielectric properties of (La, Bi) modified PZT ceramics
Authors: Rai, Radheshyam
Sharma, Seema
Keywords: Relaxor
Transition temperature
Diffuse phase transition
Resistivity
NTCR
Issue Date: 2004
Citation: Solid State Communications, 129(5), 305-309
Abstract: Polycrystalline samples of Pb0.9(La1−zBiz)0.1(Zr0.55Ti0.45)0.975O3 [referred as PLBZT] (z=0.0, 0.3, 0.5 and 0.7) have been synthesized by a high-temperature solid-state reaction technique. X-ray diffraction analysis suggests the formation of single-phase compounds with monoclinic structure. The dielectric studies of the compounds as a function of temperature (room temperature, RT to 350 °C) at frequency (1, 10 and 100 kHz) show that the compounds undergo a phase transition of diffuse type. Diffusivity (γ) study of phase transition of these compounds provided its value between 1 and 2, indicating the variation of degree of disordering in the system. Measurement of dc resistivity (ρ) as a function of temperature (RT to 350 °C) at a constant biasing field suggests the compounds have negative temperature coefficient of resistance.
URI: http://eprint.iitd.ac.in/dspace/handle/2074/1349
Appears in Collections:Physics

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