Journal of the Korean Institute of Electrical and Electronic Material Engineers (한국전기전자재료학회논문지)

The Korean Institute of Electrical and Electronic Material Engineers (한국전기전자재료학회)
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The Synthesis Mechanism of BaTiO3 Nano Particle at Low Temperature by Hydrate Salt Method

Hydrate Salt법을 이용한 Nano BaTiO3 저온합성 메커니즘

  • Lee, Chang-Hyun (Advanced Materials Convergence Division Korea Institute of Ceramic Engineering & Technology) ;
  • Shin, Hyo-Soon (Advanced Materials Convergence Division Korea Institute of Ceramic Engineering & Technology) ;
  • Yeo, Dong-Hun (Advanced Materials Convergence Division Korea Institute of Ceramic Engineering & Technology) ;
  • Ha, Gook-Hyun (Korea Institute of Materials Science) ;
  • Nahm, Sahn (Department of Materials Science and Engineering, Korea University)
  • 이창현 (한국세라믹기술원 기초소재융합본부) ;
  • 신효순 (한국세라믹기술원 기초소재융합본부) ;
  • 여동훈 (한국세라믹기술원 기초소재융합본부) ;
  • 하국현 (고려대학교 신소재공학과) ;
  • 남산 (재료연구소 분말기술연구실)
  • Received : 2014.10.06
  • Accepted : 2014.11.24
  • Published : 2014.12.01
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Abstract

$BaTiO_3$ nano powder can be synthesized by hydrate salt method at $120^{\circ}C$ in air. Decreasing the thickness of thick film, the nano dielectric particle is needed in electronic ceramics. However, the synthesis of $BaTiO_3$ nano particle at low temperature in air and their mechanism were not reported enough. And ultrasonic treatment can be tried because of low temperature process in air. Therefore, in this study, the $BaTiO_3$ nano powder was synthesised with the synthesis time and ultrasonic treatment at $120^{\circ}C$ in air. In the synthesis process, the effects of process were evaluated. From the experimental observation, the synthesis mechanism was proposed. The homogeneous $BaTiO_3$ particle was synthesised by KOH salt solution at $120^{\circ}C$ for 1hour. It was conformed that the ultrasonic treatment effected on the increase of synthesis rate. After cutting the salt powder using FIB, $BaTiO_3$ nano particles observed homogeneously in the cross-section of the salt particle.

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References

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