Epitaxial growth of epsilon iron oxide on mullite found through studies on traditional Japanese stoneware

Yoshihiro Kusano, Tatsuo Fujii, Jun Takada, Minoru Fukuhara, Kazuhiro Yamaguchi, Kenji Takabatake, Akira Doi, Yasunori Iked, Mikio Takano

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

On traditional Japanese stoneware called "Bizen", we found that ε-Fe2O3 crystallizes epitaxially on needle-like mullite crystals. This interesting reaction occurred when a pellet of Bizen clay powder was heated with rice straw to 1250°C in a stream of N2 containing 1∼2 vol% of O2. It is known that mullite forms from the clay on heating and that the rice straw provides potassium to induce partial melting in the pellet surface. The ε-Fe2O3-on- mullite particles formed in this molten region, changing their morphology and the relative ε-Fe2O3-to-mullite orientation with oxygen partial pressure. This discovery suggests morphological controllability of ε-Fe2O3 as a function of oxygen partial pressure.

Original languageEnglish
Title of host publicationA Global Road Map for Ceramic Materials and Technologies
Subtitle of host publicationForecasting the Future of Ceramics, International Ceramic Federation - 2nd International Congress on Ceramics, ICC 2008, Final Programme
Publication statusPublished - Dec 1 2008
Event2nd International Congress on Ceramics, ICC 2008 - Verona, Italy
Duration: Jun 29 2008Jul 4 2008

Publication series

NameA Global Road Map for Ceramic Materials and Technologies: Forecasting the Future of Ceramics, International Ceramic Federation - 2nd International Congress on Ceramics, ICC 2008, Final Programme

Other

Other2nd International Congress on Ceramics, ICC 2008
CountryItaly
CityVerona
Period6/29/087/4/08

ASJC Scopus subject areas

  • Ceramics and Composites

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