[G] Melting and solidification process/High temperature process

3:50 PM - 4:05 PM JST(6:50 AM - 7:05 AM UTC)

[383] Phase Selection between Hexagonal Phase and Orthorhombic Phase during Rapid Solidification from undercooled Melt of DyMnO₃

*HAYASAKA Yoh¹, KURIBAYASHI Kazuhiko², OZAWA Shumpei² (1. Chiba Inst. Tech, 2. Chiba Inst. Tech)

Keywords:

過冷却凝固,相選択,準安定相

六方晶LnMnO₃相（h-LnMnO₃）は強誘電性と反強磁性を併せ持つため注目されている．DyMnO₃を過冷却凝固させるとh-LnMnO₃と斜方晶LnMnO₃（o-LnMnO₃）が共存する．この理由を過冷度や組成を変化させることで解明した．