TWINNING IN ZNO CERAMICS WITH SB2O3 ADDITIONS

被引:0
|
作者
SENDA, T
BRADT, RC
机构
关键词
ZINC OXIDE; TWINNING; GROWTH TWINS; ZN7SB2O12; SPINEL; CRYSTALLOGRAPHY; STACKING FAULTS;
D O I
暂无
中图分类号
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
Crystallographic twins which form in sintered ZnO varistor ceramics with Sb2O3 additions are considered in terms of established crystallographic twinning mechanisms. Possible twin origins from either phase transformations or a result of deformation are both rejected. It is concluded that the ZnO twins are growth twins which nucleate in the early stages of sintering and grain growth of the ceramic powder compact. Consideration of the oxygen anion stacking layer sequences in the hexagonal ZnO wurtzite structure and the cubic Zn7Sb2O12 spinel structure suggests that the nuclei for the twins may form as embryos consisting of a faulted region of the spinel-oxygen anion layer stacking sequence. The faulted layer sequence is created by the presence of the antimony oxide and its reaction with the ZnO. The fact that the wurtzite structure is polar and the ZnO twins are inversion twins explains why there is only a single twin per grain, as multiple twins would result in the unfavorable tail-to-tail structural configuration.
引用
收藏
页码:727 / 731
页数:5
相关论文
共 50 条
  • [1] Photopyroelectric spectroscopy of Sb2O3 - ZnO ceramics
    A. Zakaria
    Z. Rizwan
    M. Hashim
    A. Halim Shaari
    W. Mohmood Mat Yunus
    [J]. The European Physical Journal Special Topics, 2008, 153 : 33 - 35
  • [2] Bi2O3 modification with Sb2O3 in ZnO varistor ceramics
    Pasciak, G
    Mielcarek, W
    Prociów, K
    [J]. APPLIED CRYSTALLOGRAPHY, 2001, : 293 - 296
  • [3] Influence of TiO2/Sb2O3 ratio on ZnO varistor ceramics
    Zhang, CC
    Hu, YX
    Lu, WZ
    Cao, MH
    Zhou, DX
    [J]. JOURNAL OF THE EUROPEAN CERAMIC SOCIETY, 2002, 22 (01) : 61 - 65
  • [4] CHARACTERIZATION OF SOME SnO2 CERAMICS WITH ZnO AND Sb2O3 ADDITIVES
    Gorea, Maria
    Cret, Rodica
    Simut, Delia Maria
    [J]. STUDIA UNIVERSITATIS BABES-BOLYAI CHEMIA, 2010, 55 (03): : 57 - 64
  • [5] High Voltage ZnO Varistor Ceramics Doped with Sb2O3, SiO2 and MgO
    Li Xiao
    Lu Zhenya
    Chen Yichuang
    Chen Zhiwu
    [J]. RARE METAL MATERIALS AND ENGINEERING, 2015, 44 : 128 - 132
  • [6] The Sb2O3 addition effect on sintering ZnO and ZnO+Bi2O3
    Ito, M
    Tanahashi, M
    Uehara, M
    Iga, A
    [J]. JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS & EXPRESS LETTERS, 1997, 36 (11A): : L1460 - L1463
  • [7] EFFECTS OF CONTENTS OF BI2O3 AND SB2O3 ON LATTICE-PARAMETERS OF PHASES OF ZNO VARISTOR CERAMICS
    TAKEMURA, T
    KOBAYASHI, M
    TAKADA, Y
    SATO, K
    [J]. JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS, 1986, 25 (02): : 293 - 294
  • [8] Effect of Sb2O3 Addition on Properties of BaTiO3 Ceramics
    Thonglem, Sutatip
    Nuanthong, Thanin
    Sutjarittangtham, Krit
    Intawin, Pratthana
    [J]. INTEGRATED FERROELECTRICS, 2022, 224 (01) : 205 - 213
  • [9] Influence of SrCO3‐doping on the microstructure and electrical properties of ZnO–(Bi2O3/Sb2O3) varistor ceramics
    Faiçal Kharchouche
    Abdelkrim Zebar
    [J]. Journal of Materials Science: Materials in Electronics, 2023, 34
  • [10] The characteristics of ZnO-Bi2O3-based varistor ceramics doped withY2O3 and varying amounts of Sb2O3
    Bernik, S
    Macek, S
    Bui, A
    [J]. JOURNAL OF THE EUROPEAN CERAMIC SOCIETY, 2004, 24 (06) : 1195 - 1198