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Effects of annealing on ferroelectric, optical and electrically controlled light scattering properties of PLZT transparent ceramics
Nie, Lei Tao1,2; He, Xi Yun1; Zeng, Xia1; Qiu, Ping Sun1; Cheng, Wen Xiu1; Chang, Cheng Kang2
2017
发表期刊Materials Science Forum
ISSN02555476
卷号898 MSF页码:1686-1692
摘要PLZT (X/70/30) ceramics with different La contents (X=7.45, 7.54, 7.63 mole%) were fabricated by hot-press sintering techniques. The effects of annealing on ferroelectric, optical and electrically controlled light scattering properties of PLZT transparent ceramics were examined and analyzed. The XRD patterns indicated that all the samples were crystallized into a pure perovskite phase without the second phase. The SEM exhibited fully dense, uniform microstructures with well-developed grains. The annealing treatment weakened the degree of squareness of the ferroelectric hysteresis loop, and even the anti-ferroelectric phase occurred as the La content increasing to X=7.63. The remnant polarization (Pr) and coercive electric field (Ec) decreased with the annealing treatment for all samples. The slow annealing treatment resulted in the lager increase of both transmittance and contrast ratio than those of the rapid annealing treatment at λ=632.8nm. The electrically controlled light scattering properties were obviously enhanced by the annealing treatment. Especially, the PLZT (7.63/70/30) ceramics exhibited the different electrically controlled light scattering performance which indicated it could hold high transmittance and symmetry in a wide electric field range with the slow annealing treatment. © 2017 Trans Tech Publications, Switzerland.
DOI10.4028/www.scientific.net/MSF.898.1686
EI入藏号20173604125088
EI主题词Light scattering
EI分类号482.2 Minerals - 537.1 Heat Treatment Processes - 701.1 Electricity: Basic Concepts and Phenomena - 741.1 Light/Optics - 812.1 Ceramics
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文献类型期刊论文
条目标识符http://ir.sic.ac.cn/handle/331005/25535
专题中国科学院上海硅酸盐研究所
作者单位1.Key Laboratory of Transparent Opto-functional Inorganic materials, Shanghai Institute of Ceramics, Chinese Academy of Sciences, 1295 Dingxi Road, Shanghai; 200050, China;
2.School of Material Science and Engineering, Shanghai Institute of Technology, 100 Haiquan Road, Shanghai; 201418, China
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GB/T 7714
Nie, Lei Tao,He, Xi Yun,Zeng, Xia,et al. Effects of annealing on ferroelectric, optical and electrically controlled light scattering properties of PLZT transparent ceramics[J]. Materials Science Forum,2017,898 MSF:1686-1692.
APA Nie, Lei Tao,He, Xi Yun,Zeng, Xia,Qiu, Ping Sun,Cheng, Wen Xiu,&Chang, Cheng Kang.(2017).Effects of annealing on ferroelectric, optical and electrically controlled light scattering properties of PLZT transparent ceramics.Materials Science Forum,898 MSF,1686-1692.
MLA Nie, Lei Tao,et al."Effects of annealing on ferroelectric, optical and electrically controlled light scattering properties of PLZT transparent ceramics".Materials Science Forum 898 MSF(2017):1686-1692.
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