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Rapid synthesis and characterization of an oxygen-deficient defect perovskite La4BaCu5O13+d phase

Shivakumara, Chikkadasappa (2011) Rapid synthesis and characterization of an oxygen-deficient defect perovskite La4BaCu5O13+d phase. In: ISRN Ceramics, 2011 . pp. 859385-1.

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Official URL: http://dx.doi.org/10.5402/2011/859385

Abstract

Oxygen-deficient defect perovskite La4BaCu5O13+d phase has been synthesized by the nitrate-citrate gel combustion method at 950 C for 2 h. Structural parameters were refined by the Rietveld refinement method using room-temperature powder XRD data. The La4BaCu5O13+d crystallizes in the tetragonal structure with space group P4/m (no. 83) and having the lattice parameters a=8.6508 c=3.8606 (1) Å and (2) Å, respectively. Oxygen content was determined by the iodometric titration. Low-temperature resistivity result reveals that La4BaCu5O13+d compound exhibit metallic behavior up to 15 K.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Hindawi Publishing Corporation.
Department/Centre: Division of Chemical Sciences > Solid State & Structural Chemistry Unit
Depositing User: Id for Latest eprints
Date Deposited: 11 Mar 2013 05:10
Last Modified: 11 Mar 2013 05:10
URI: http://eprints.iisc.ac.in/id/eprint/45925

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