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Al - Ferrite의 Mossbauer 분광학적 연구
이충섭(Choong-Sub Lee),주한식(Han-Sik Joo),이찬영(Chan-Young Lee),서정철(Jung-Chul Sur) 한국자기학회 1998 韓國磁氣學會誌 Vol.8 No.4
We have studied Al_xFe_(3-x)O₄ produced by direct composition method using X-ray diffraction and Mssbauer spectroscopy. The cation distribution for Al_xFe_(3-x)O₄ was determined by the ratio of sub-spectra absorption area. The charge state of Fe atoms in octahedral site(B-site) is Fe^(2.5+) based on electron hopping, Fe²+ ↔ (Fe³+, Al³+) without dependency of substituted Al amounts.