Pseudo-relaxor behavior in 0.35La(2)O(3)-0.65Nb(2)O(5) glass prepared by aerodynamic levitation method
Zhang, Zhanpei1; Li, Haibo1; Wang, Chunchang1; Li, Jianqiang2; Ma, Xiaoguang2
2016-06-01
发表期刊MATERIALS RESEARCH BULLETIN
ISSN0025-5408
卷号78期号:JUNE页码:158-162
摘要0.35La(2)O(3)-0.65Nb(2)O(5) glasses were prepared by aerodynamic levitation method. The dielectric properties of the sample were investigated as a function of temperature (30-700 degrees C) in the frequency range from 100 Hz to 1 MHz. The glasses show a temperature and frequency-independent dielectric constant of 40 below 200 degrees C. A relaxor-like behavior was observed above 200 degrees C, which was found to be composed of two relaxations with the activation energy of 1.32 eV and 1.3 eV for the low- and high temperature relaxations, respectively. Impedance analysis reveals that the low-temperature relaxation is a conduction relaxation associated with hopping motion of oxygen ions and the high-temperature one is a Maxwell-Wagner relaxation associated with phase boundary. The relaxor-like behavior is attributed to the combining effect of both relaxations. (C) d2016 Elsevier Ltd. All rights reserved.
关键词Glasses Oxides Dielectrics Ionic Conductivity Amorphous Materials
文章类型Article
WOS标题词Science & Technology ; Technology
DOI10.1016/j.materresbull.2016.02.032
收录类别SCI
语种英语
关键词[WOS]DIELECTRIC-PROPERTIES ; OPTICAL-PROPERTIES ; HEXAGONAL BATIO3 ; SINGLE-CRYSTALS ; RELAXATION ; PERMITTIVITY ; CONDUCTIVITY ; IMPEDANCE ; CERAMICS ; SYSTEMS
WOS研究方向Materials Science
WOS类目Materials Science, Multidisciplinary
项目资助者National Natural Science Foundation of China(51572001 ; Co-operative Innovation Research Center for Weak Signal-Detecting Materials and Devices Integration of Anhui University(Y01008411) ; China Postdoctoral Science Foundation(2014M561805) ; Anhui Province Postdoctoral Science Foundation(2014B007) ; 51471158 ; 51274182)
WOS记录号WOS:000374359700022
引用统计
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/21016
专题湿法冶金清洁生产技术国家工程实验室
作者单位1.Anhui Univ, Sch Phys & Mat Sci, Lab Dielect Funct Mat, Hefei 230601, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, Natl Engn Lab Hydromet Cleaner Prod Technol, Beijing 100190, Peoples R China
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Zhang, Zhanpei,Li, Haibo,Wang, Chunchang,et al. Pseudo-relaxor behavior in 0.35La(2)O(3)-0.65Nb(2)O(5) glass prepared by aerodynamic levitation method[J]. MATERIALS RESEARCH BULLETIN,2016,78(JUNE):158-162.
APA Zhang, Zhanpei,Li, Haibo,Wang, Chunchang,Li, Jianqiang,&Ma, Xiaoguang.(2016).Pseudo-relaxor behavior in 0.35La(2)O(3)-0.65Nb(2)O(5) glass prepared by aerodynamic levitation method.MATERIALS RESEARCH BULLETIN,78(JUNE),158-162.
MLA Zhang, Zhanpei,et al."Pseudo-relaxor behavior in 0.35La(2)O(3)-0.65Nb(2)O(5) glass prepared by aerodynamic levitation method".MATERIALS RESEARCH BULLETIN 78.JUNE(2016):158-162.
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