Dielectric functions and phase transitions of MgO modified Pb-0.99(Zr0.95Ti0.05)(0.98)Nb0.02O3 ceramics revealed by spectroscopic ellipsometry

doi:10.1016/j.matlet.2019.02.037

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	Dielectric functions and phase transitions of MgO modified Pb-0.99(Zr0.95Ti0.05)(0.98)Nb0.02O3 ceramics revealed by spectroscopic ellipsometry
	Duan, Zhihua; Jiang, Kai; Hu, Zhigao; Wang, Junxia; Wang, Genshui; Dong, Xianlin; Wang, Feifei
	2019-06-01
Source Publication	MATERIALS LETTERS
ISSN	0167-577X
Volume	244 Pages:18
Subtype	Article
Abstract	The dielectric functions and phase transitions of MgO modified Pb-0.99(Zr0.95Ti0.05)(0.98)Nb0.02O3 (PZTN-x wt% MgO, x = 0, 0.1, 0.2, 0.5) ceramics have been investigated using temperature-dependent spectroscopic ellipsometry. With the aid of standard critical-point (SCP) model, four typical interband transitions can be observed from the second derivative of dielectric functions. Three transition process are observed and can be linked to antiferroelectric (AFE)-ferroelectric (FE) (T-1 similar to 250 K), low temperature ferroelectric phase [FER(LT)] to high temperature one [FER(HT)] (T-2 similar to 300 K), and ferroelectric-paraelectric phase (T-C similar to 500 K). (C) 2019 Elsevier B.V. All rights reserved.
Keyword	Ceramics Ferroelectrics Dielectric functions Spectroscopy Phase transformation
DOI	10.1016/j.matlet.2019.02.037
Language	英语
WOS Research Area	Materials Science ; Physics
Publisher	ELSEVIER SCIENCE BV
Citation statistics
Document Type	期刊论文
Identifier	http://ir.sic.ac.cn/handle/331005/27100
Collection	中国科学院上海硅酸盐研究所
Recommended Citation GB/T 7714	Duan, Zhihua,Jiang, Kai,Hu, Zhigao,et al. Dielectric functions and phase transitions of MgO modified Pb-0.99(Zr0.95Ti0.05)(0.98)Nb0.02O3 ceramics revealed by spectroscopic ellipsometry[J]. MATERIALS LETTERS,2019,244:18.
APA	Duan, Zhihua.,Jiang, Kai.,Hu, Zhigao.,Wang, Junxia.,Wang, Genshui.,...&Wang, Feifei.(2019).Dielectric functions and phase transitions of MgO modified Pb-0.99(Zr0.95Ti0.05)(0.98)Nb0.02O3 ceramics revealed by spectroscopic ellipsometry.MATERIALS LETTERS,244,18.
MLA	Duan, Zhihua,et al."Dielectric functions and phase transitions of MgO modified Pb-0.99(Zr0.95Ti0.05)(0.98)Nb0.02O3 ceramics revealed by spectroscopic ellipsometry".MATERIALS LETTERS 244(2019):18.

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