Temperature-frequency dependence and mechanism of dielectric properties for γ-Y2Si2O7

被引：0
|
作者：
Hou Zhi-Ling [1 ,2 ]
Cao Mao-Sheng [1 ]
Yuan Jie [3 ]
Song Wei-Li [1 ]
机构：
[1] Beijing Inst Technol, Sch Mat Sci & Engn, Beijing 100081, Peoples R China
[2] Beijing Univ Chem Technol, Sch Sci, Beijing 100029, Peoples R China
[3] Cent Univ Nationalities, Sch Informat Engn, Beijing 100081, Peoples R China
来源：
CHINESE PHYSICS B | 2010年 / 19卷 / 01期
基金：
中国国家自然科学基金;
关键词：
gamma-Y2Si2O7; dielectric properties; structural relaxation polarization; low dielectric loss; PRESSED SILICON-NITRIDE; YTTRIUM DISILICATE; OPTICAL-PROPERTIES; H-BN; CERAMICS; BEHAVIOR; NANOCOMPOSITES; STRENGTH;
D O I：
暂无
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
This paper reports that single-phase gamma-Y2Si2O7 is prepared via a sufficient blending and cold-pressed sintering technique from Y2O3 powder and SiO2 nanopowder. It studies the dielectric properties of gamma-Y2Si2O7 as a function of the temperature and frequency. The gamma-Y2Si2O7 exhibits low dielectric loss and non-Debye relaxation behaviour from 25 to 1400 degrees C in the range of 7.3-18 GHz. The mechanism for polarization relaxation of the as-prepared gamma-Y2Si2O7 differing from that of SiO2 is explained. Such particular dielectric properties could potentially make specific attraction for extensive practical applications.
引用
收藏
页数：5
相关论文
共 50 条
  • [31] Temperature-frequency dependence of the dielectric parameters in some rocks
    Gargatsev, IO
    Guseinov, AA
    IZVESTIYA-PHYSICS OF THE SOLID EARTH, 2001, 37 (11) : 951 - 954
  • [32] Optical dephasing mechanisms in Tm3+:Y2Si2O7
    Wang, GM
    Equall, RW
    Cone, RL
    Leask, MJM
    Godfrey, KW
    Wondre, FR
    OPTICS LETTERS, 1996, 21 (11) : 818 - 820
  • [33] Giant Phonon Anharmonicity and Anomalous Pressure Dependence of Lattice Thermal Conductivity in Y2Si2O7 silicate
    Yixiu Luo
    Jiemin Wang
    Yiran Li
    Jingyang Wang
    Scientific Reports, 6
  • [34] Preparation of Y2Si2O7/ZrO2 Composites and Their Composition - Mechanical Properties - Tribology Relationships
    Sun, Ziqi
    Wu, Ling
    Li, Meishuan
    Zhou, Yanchun
    JOURNAL OF THE AMERICAN CERAMIC SOCIETY, 2013, 96 (10) : 3228 - 3238
  • [35] Luminescence and Microstructure of Nd Doped Y2Si2O7 Electrospun Fibers
    Liu, Yin
    Olson, Thomas L.
    Wu, Yiquan
    JOURNAL OF THE AMERICAN CERAMIC SOCIETY, 2014, 97 (08) : 2390 - 2393
  • [36] Structural and Spectroscopic Properties of -Y2Si2O7 Nanopowders Activated with Nd3+ Ions
    Erdem, Murat
    Ekmekci, Mete Kaan
    Orucu, Humeyra
    Bilir, Gokhan
    INTERNATIONAL JOURNAL OF APPLIED CERAMIC TECHNOLOGY, 2015, 12 (05) : 1016 - 1019
  • [37] Effects of different sintering additives on the synthesis of γ-Y2Si2O7 powders
    Fan, Xingyu
    Wang, Hongjie
    Niu, Min
    Su, Lei
    Zhang, Dahai
    Zhou, Jun
    Fan, Jinpeng
    Shi, Jianjun
    CERAMICS INTERNATIONAL, 2016, 42 (13) : 14813 - 14817
  • [38] High-Temperature thermochemical interactions of molten silicates with Yb2Si2O7 and Y2Si2O7 environmental barrier coating materials
    Stokes, Jamesa L.
    Harder, Bryan J.
    Wiesner, Valerie L.
    Wolfe, Douglas E.
    JOURNAL OF THE EUROPEAN CERAMIC SOCIETY, 2019, 39 (15) : 5059 - 5067
  • [39] Fabrication and thermal insulation properties of ceramic felts constructed by electrospun γ-Y2Si2O7 fibers
    Fan, Xingyu
    Dai, Jiang
    Wei, Liang
    Feng, Yan
    Sun, Runjun
    Dong, Jie
    Wang, Qiushi
    CERAMICS INTERNATIONAL, 2022, 48 (20) : 29913 - 29918
  • [40] Synthesis of β-Y2Si2O7 nanowires via a facile molten salt method and their thermal properties
    Zhou, Lei
    Huang, Jianfeng
    Cao, Liyun
    Ouyang, Haibo
    Wu, Jianpeng
    Liu, Jintao
    Wang, Xing
    Hao, Wei
    JOURNAL OF ALLOYS AND COMPOUNDS, 2017, 699 : 210 - 215
12345