High-resolution synchrotron x-ray diffraction study of Zr-rich compositions of Pb(ZrxTi1-x)O3 (0.525≤x≤0.60):: Evidence for the absence of the rhombohedral phase

被引：54
|
作者：
Singh, Akhilesh Kumar
Pandey, Dhananjai [1 ]
Yoon, Songhak
Baik, Sunggi
Shin, Namsoo
机构：
[1] Banaras Hindu Univ, Inst Technol, Sch Mat Sci & Technol, Varanasi 221005, Uttar Pradesh, India
[2] Pohang Univ Sci & Technol, Dept Mat Sci & Engn, Pohang 790784, South Korea
[3] Pohang Univ Sci & Technol, Pohang Accelerator Lab, Pohang 790784, South Korea
来源：
APPLIED PHYSICS LETTERS | 2007年 / 91卷 / 19期
关键词：
D O I：
10.1063/1.2804008
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Results of Rietveld analysis of the synchrotron x-ray diffraction data on Pb(ZrxTi1-x)O-3 (PZT) for 0.525 <= x <= 0.60 are presented to show the absence of rhombohedral phase on the Zr-rich side of the morphotropic phase boundary. Our results reveal that the structure of PZT is monoclinic in the Cm space group for 0.525 <= x <= 0.60. The nature of the monoclinic distortion changes from pseudotetragonal for 0.525 <= x <= 0.54 to pseudo-rhombohedral for x > 0.54.
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页数：3
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