Synthesis of natural superlattice structure in the binary ZnO-Fe 2O3 system by microwave irradiation

Satomi Katayose, Takamichi Miyazaki, Yamato Hayashi, Hirotsugu Takizawa

研究成果: Article査読

10 被引用数 (Scopus)

抄録

Homologous compounds, Fe2O3(ZnO)m, with the modulated natural superlattice structure were obtained within a short period by solid state reaction of component oxides under 2.45GHz microwave irradiation. TEM observation revealed that two types of superlattice structures were observed in different Fe concentration; one is longitudinal superlattice structure in a rod shaped precipitation at high Fe concentration, and the other is modulated structure showing zigzag shape at low Fe concentration. It is conclude that the non-equilibrium nature of microwave selective heating, as well as rapid heating and quenching effects, plays a key role to form the superstructure. The obtained products exhibit ferromagnetic behavior with the Curie temperature above 300K.

本文言語English
ページ(範囲)387-389
ページ数3
ジャーナルJournal of the Ceramic Society of Japan
118
1377
DOI
出版ステータスPublished - 2010 5

ASJC Scopus subject areas

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

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