Synthesis of Ba-ferrite fine particles by hydrothermal attrition mixing

Masahiro Yoshimura, Noriyuki Kubodera, Tatsuo Noma, Shigeyuki Somiya

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)

Abstract

Ba ferrite with a controlled particle size was synthesized by hydrothermal attrition mixing, a new model which is a combination of conventional hydrothermal treatment and attrition mixing using balls. Under hydrothermal conditions, attrition mixing influenced the nucleation process in crystallization. The nucleation rate increased with increasing number of balls and/or increasing rotation speed. The Ba ferrite fine particles thus obtained showed a snake-like hysteresis curve different from Ba ferrite fine particles synthesized at high temperatures. This is probably due to the lattice distortion enhanced by the OH- ions incorporated during the hydrothermal synthesis.

Original languageEnglish
Pages (from-to)16-21
Number of pages6
JournalNippon Seramikkusu Kyokai Gakujutsu Ronbunshi/Journal of the Ceramic Society of Japan
Volume97
Issue number1
Publication statusPublished - 1989 Dec 1

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Chemistry(all)
  • Condensed Matter Physics
  • Materials Chemistry

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