2015
DOI: 10.1093/jmicro/dfv356
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Quantitative determination of occupation sites of trace Co substituted for multiple Fe sites in M-type hexagonal ferrite using statistical beam-rocking TEM-EDXS analysis

Abstract: The occupation sites and the occupancies of trace dopants in La/Co co-doped Sr-M-type ferrite, SrFe12O19, were quantitatively and precisely determined by beam-rocking energy-dispersive X-ray spectroscopy (EDXS) on the basis of electron-channeling effects. Because the Co atoms, in particular, should be partially substituted for the five crystallographically inequivalent sites, which could be key parameters in improving the magneto-crystalline anisotropy, it is difficult yet intriguing to discover their occupati… Show more

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Cited by 16 publications
(13 citation statements)
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“…A very recent Mössbauer study using the same batches of single crystals drew a similar conclusion 45 . Moreover, previous and recent works using ND, EXAFS, XMCD, and energy-dispersive X-ray spectroscopy (EDXS) 10,46 have yielded a similar conclusion as well.…”
Section: Discussionsupporting
confidence: 67%
“…A very recent Mössbauer study using the same batches of single crystals drew a similar conclusion 45 . Moreover, previous and recent works using ND, EXAFS, XMCD, and energy-dispersive X-ray spectroscopy (EDXS) 10,46 have yielded a similar conclusion as well.…”
Section: Discussionsupporting
confidence: 67%
“…These modulations have been recently demonstrated to have an extended application in multiferroic spintronics because of the additional contribution of physical freedom. 8 Diverse state-of-art techniques, including Mössbauer spectroscopy, 9,10 neutron diffraction, 11 X-ray absorption spectroscopy (XAS), 12,13 X-ray spectroscopy, 14 X-ray magnetic circular dichroism (XMCD), 13 nuclear magnetic resonance (NMR) 15 and Raman spectroscopy, 16 have been employed to detect the sites of the dopants and the ordering of cations. However, due to the limitation of the wavelengths of their light sources or instrument resolutions, these techniques can only obtain information on the overall site occupation ratio.…”
Section: Introductionmentioning
confidence: 99%
“…Since the experimental ICPs can be precisely predicted by theoretical simulation, the method can be applied not only to cases where the crystal of interest contains multiple inequivalent atomic sites for a doped element 14 . Further extensions are ongoing, such as to detect the vacancy concentrations and associated displacements of host elements 15 , and even the ordering of dopants segregated along the grain boundaries of ceramics.…”
Section: Discussionmentioning
confidence: 99%