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The nanocrystalline La 1-x Pb x FeO 3 ceramics (x=0-0.3) can be prepared by the citric method. All the compounds crystallize as perovskite phase with orthorhombic structure. The Pb-doping restrains the growth of the grain size. The conductivity and gas sensitivity of La 1-x Pb x FeO 3 -based sensor were investigated. Results demonstrate...
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