First-principles study on the geometric and electronic structures andphase transition of PbZr1-xTixO3 solid solutions
Liu Shi-Yu (刘士余)a, Shao Qing-Sheng (邵庆生)a, Yu Da-Shu (余大书)a, Lü Yue-Kai (吕跃凯)a, Li De-Jun (李德军)a, Li Yong (李雍)b, Cao Mao-Sheng (曹茂盛)b
a College of Physics and Electronic Information, Tianjin Normal University, Tianjin 300387, China; b College of Materials Science and Engineering, Beijing Institute of Technology, Beijing 100081, China
Abstract With first-principles virtual-crystal approximation calculations, we systematically investigate the geometric and electronic structures as well as the phase transition of lead zirconate titanate (PbZr1-xTixO3 or PZT) as a function of Ti content for the whole range of 0 ≤ xTi≤ 1. It can be found that, with the increase of the Ti content, the PbZr1-xTixO3 solid solutions undergo a rhombohedral-to-tetragonal phase transition, which is consistent with the experimental results. In addition, we also show the evolution in geometric and electronic structures of rhombohedral and tetragonal PbZr1-xTixO3 with the increasing content of Ti.
(Density functional theory, local density approximation, gradient and other corrections)
Fund: Project supported by the National Natural Science Foundation of China (Grant Nos. 11104203, 11075116, 50972014, 51072024, and 51132002) and the Foundation of Introduction of Talent of Tianjin Normal University, China (Grant No. 5RL100).
Corresponding Authors:
Liu Shi-Yu, Cao Mao-Sheng
E-mail: buaasyliu@gmail.com; caomaosheng@bit.edu.cn
Cite this article:
Liu Shi-Yu (刘士余), Shao Qing-Sheng (邵庆生), Yu Da-Shu (余大书), Lü Yue-Kai (吕跃凯), Li De-Jun (李德军), Li Yong (李雍), Cao Mao-Sheng (曹茂盛) First-principles study on the geometric and electronic structures andphase transition of PbZr1-xTixO3 solid solutions 2013 Chin. Phys. B 22 017702
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