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Title
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Electron microscopy investigation and Mossbauer properties in new LaBaFe0.5Zn0.5MnO6-delta perovskite compound
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Author
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Abstract
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| The perovskite oxide of the formula LaBaFe0.5Zn0.5MnO6-delta has been prepared by sol-gel process and has been investigated by X-ray powder diffraction, Electron diffraction, High-angle annular dark field scanning transmission electron microscopy images (HAADF-STEM), annular bright-field scanning transmission electron microscopy (ABF-STEM) and Mossbauer spectroscopy. The Rietveld refinement of the X-ray diffraction data show that this compound crystallizes in the cubic system with Pm-3m space group. Moreover, the electron diffraction along the [1 0 0] and [1 1 0] directions confirm the cubic structure in Pm-3m space group with cell parameter a = 3.93 angstrom. Iron, zinc and manganese are totally located in octahedral environments. The Mossbauer measurement carried out at room temperature and 77 K showed a paramagnetic behavior with iron in Fe3+ high-spin state as extracted from the values of the isomer shift. |
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Language
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English
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Source (journal)
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Journal of magnetism and magnetic materials. - Amsterdam
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Publication
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Amsterdam
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2019
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ISSN
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0304-8853
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DOI
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10.1016/J.JMMM.2018.11.054
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Volume/pages
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474
(2019)
, p. 411-416
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ISI
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000459494600060
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Full text (Publisher's DOI)
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