【摘 要】
：
La_(0.68)Pb_(0.32)FeO_3 samples annealed at different temperature were prepared using citrate sol-gel method. With increasing of annealing temperature from 200
【机 构】
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Department of Physics, State Key Laboratory for Crystal Materials, Shandong University Jinan 250100,
【出 处】
：
Journal of Rare Earths
论文部分内容阅读
La_(0.68)Pb_(0.32)FeO_3 samples annealed at different temperature were prepared using citrate sol-gel method. With increasing of annealing temperature from 200 to 1000 ℃, the samples crystallize to have single-phase perovskite structure. However, the sensitivity increases at first due to the improvement of crystallization of the perovskite phase, and finally drops attributed to the larger grain size. The optimal sensitivities for La_(0.68)Pb_(0.32)FeO_3 samples annealed at 400, 600, 800, and 1000 ℃ are 12.14, 14.77, 51.07, and 34.55, respectively.
The increase of annealing temperature from 200 to 1000 ℃, the samples crystallize to have single-phase perovskite structure. However, the increase of annealing temperature from 200 to 1000 ℃ at first due to the improvement of crystallization of the perovskite phase, and finally drops attributed to the larger grain size. The optimal sensitivities for La_ (0.68) Pb_ (0.32) FeO_3 samples annealed at 400, 600, 800, and 1000 ° C are 12.14 , 14.77, 51.07, and 34.55, respectively.
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