[G] Electric/Electronic/Optical Materials

9:30 AM - 9:45 AM JST(12:30 AM - 12:45 AM UTC)

[129] Relationship between phase transition and particle size of Ge_xFe_3-xO₄ powders

○Seishi Abe¹, Narumi Makabe¹, Masato Watanabe¹, Yoshihiro Kawakami¹ (1. Research Institute for Electromagunetic Materials)

Keywords:

Iron oxide,powder,phase transition,solid solution,particle size

The relationship between the particle size of Ge_xFe_3-xO₄ powder and its phase transition was investigated. As a result, the phase transition temperature tended to decrease with the reduction in particle size, and the formed γ-Fe2O3 exhibited thermal stability due to the solid solution of Ge.