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Low frequency dielectric studies on Pb(Fe1/2Nb 1/2)O3
R. R. Vedantam, , Vemuri Rama Krishna Murthy
Published in Elsevier BV
2004
Volume: 113
   
Issue: 2
Pages: 136 - 142
Abstract
The low frequency dielectric dispersion of complex perovskite Pb(Fe 1/2Nb1/2)O3 sintered at different temperatures is carried out as a function of temperature. The sintered samples are annealed in oxygen atmosphere and the effect of annealing on the dielectric properties is investigated. The observed variation in the dielectric dispersion on annealing indicates that the oxidation state of iron plays a significant role in deciding the dielectric properties exhibited by this compound. The results are discussed in conjecture with variation in resistivity and density between the samples. © 2004 Elsevier B.V. All rights reserved.
About the journal
JournalData powered by TypesetMaterials Science and Engineering B: Solid-State Materials for Advanced Technology
PublisherData powered by TypesetElsevier BV
ISSN09215107
Open AccessNo
Concepts (18)
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    Annealing
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    Cooling
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    Dielectric materials
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    Dielectric properties
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    Distillation
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    Electric resistance
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    Oxidation
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    Permittivity
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    Perovskite
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    Polycrystalline materials
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    Sintering
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    Thermal effects
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    X ray diffraction analysis
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    COMPLEX PEROVSKITES
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    Dielectric response
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    LEAD IRON NIOBATE
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    Oxidation states
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    Lead compounds