Mössbauer effect study of monoclinic Fe 2TiO 5

The spectra of 57Fe in monoclinic Fe 2TiO 5 were interpreted as hyperfine patterns belonging to two nonidentical iron sites. They confirm that Fe 3+ ions are distributed over 4a and 8f sites. The spectra of mosaic-like crystals indicate that all iron spins lie in the (100) plane. The temperature dep...

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Published inSolid state communications Vol. 40; no. 10; pp. 899 - 901
Main Authors Hanžel, D., Drofenik, M., Kraševec, V., Prodan, A., Sevšek, F.
Format Journal Article
LanguageEnglish
Published Elsevier Ltd 1981
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Summary:The spectra of 57Fe in monoclinic Fe 2TiO 5 were interpreted as hyperfine patterns belonging to two nonidentical iron sites. They confirm that Fe 3+ ions are distributed over 4a and 8f sites. The spectra of mosaic-like crystals indicate that all iron spins lie in the (100) plane. The temperature dependences of hf parameters gave a magnetic ordering temperature 350 K, average saturation effective field 505 kG and Debye temperature 430 K. Above 1500 K, monoclinic Fe 2TiO 5 transformed into the stable pseudobrookite form.
ISSN:0038-1098
1879-2766
DOI:10.1016/0038-1098(81)90093-4