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Abstract The present work reports new analysis and reinterpretation of the 57Fe Mossbauer data for the ferrite Ba3SbFe3Si2O14 with langasite-like crystal structure. The Mossbauer measurements show a two-step magnetic ordering… Click to show full abstract
Abstract The present work reports new analysis and reinterpretation of the 57Fe Mossbauer data for the ferrite Ba3SbFe3Si2O14 with langasite-like crystal structure. The Mossbauer measurements show a two-step magnetic ordering process. Relaxation behavior, for temperatures below TN ≈ 32 K, persisting down to T* ≈ 20 K, indicates the coexistence of the short-range ordering spin clusters within a helically ordering state. Below T*, Mossbauer spectra are consistent with a modulated helical magnetic order, where iron magnetic moments rotate within the (ab) plane with propagation vector along c axis. All experimental spectra at T
Journal Title: Journal of Alloys and Compounds
Year Published: 2019
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