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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
Source PublicationMaterials Science Forum
ISSN02555476
Volume898 MSFPages:1686-1692
AbstractPLZT (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 Accession Number20173604125088
EI KeywordsLight scattering
EI Classification Number482.2 Minerals - 537.1 Heat Treatment Processes - 701.1 Electricity: Basic Concepts and Phenomena - 741.1 Light/Optics - 812.1 Ceramics
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Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/25535
Collection中国科学院上海硅酸盐研究所
Affiliation1.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
Recommended Citation
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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