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author:

Lam, K.-T. (Lam, K.-T..) [1] | Hsieh, Y.-T. (Hsieh, Y.-T..) [2] | Diao, C.-C. (Diao, C.-C..) [3] | Lin, Y.-H. (Lin, Y.-H..) [4] | Yang, C.-F. (Yang, C.-F..) [5] | Kuo, C.-G. (Kuo, C.-G..) [6]

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Abstract:

In this study, K2CO3,Bi2O3, BaTiO3, and TiO2were mixed to form the compositions of 0.65 K0.5Bi0.5TiO3-0.35 BaTiO3+ x wt% Bi2O3(abbreviated as 0.65 KBT-0.35 BT3-x, x = 0, 1, 2, and 3). Excess Bi2O3was added into the 0.65 KBT-0.35 BT3 composition as the sintering aid to lower sintering temperature, to improve densification, and to compensate the vaporization of Bi2O3 during the sintering process. After being calcined at 850 °C for 2 h, 0.65 KBT-0.35 BT3-x ceramics were sintered at 1050 °C∼1100 °C in air for 2 h. The X-ray diffraction pattern and scanning electronic microscope observation were used to analyze the variations of crystalline phase and microstructure of the 0.65 KBT-0.35 BT3-X ceramics. Temperature-dependent dielectric characteristics were measured with oscillating amplitude (50 mV) at 100 KHz by an HP4294A impedance analyzer by putting the sintered ceramics in a temperature-programmable testing chamber from 25 °C to 500 °C. We would well investigate the effects of sintering temperature and excess Bi2O3content on the maximum dielectric constant and Curie temperature of the 0.65 KBT-0.35 BT3-x ceramics. © 2015 Taylor & Francis Group, London.

Keyword:

0.65 (K0.5Bi0.5TiO3)-0.35 BaTiO3ceramic; Excess Bi2O3content; Sintering and dielectric Characteristics

Community:

  • [ 1 ] [Lam, K.-T.]Institute of Creative Industries Research, Xiamen Academy of Arts and Design, Fuzhou University, China
  • [ 2 ] [Hsieh, Y.-T.]Department of Electronic Engineering, Southern Taiwan University, Kaohsiung, Taiwan
  • [ 3 ] [Diao, C.-C.]Department of Electronic Engineering, Kao Yuan University, Tainan, Taiwan
  • [ 4 ] [Lin, Y.-H.]Department of Chemical and Materials Engineering, National University of Kaohsiung, Taiwan
  • [ 5 ] [Yang, C.-F.]Department of Chemical and Materials Engineering, National University of Kaohsiung, Taiwan
  • [ 6 ] [Kuo, C.-G.]Department of Industrial Education, National Taiwan Normal University, Taipei, Taiwan

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Source :

Innovation in Design, Communication and Engineering - Proceedings of the 3rd International Conference on Innovation, Communication and Engineering, ICICE 2014

Year: 2015

Page: 81-86

Language: English

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

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