A Mössbauer effect study on the magnetic oxide 5Fe1.94Ni0.06O34Al2O3SiO
作者： Sung Ho Lee , Woong Tae Kim
DOI: 10.1016/0038-1098(91)90591-I
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摘要: Abstract The crystal structure and the magnetic properties of 5Fe1.94Ni0.06O3 - 4Al2O3 SiO have been investigated by means X-ray diffractometry Mossbauer spectroscopy. is found to be a hexagonal with lattice constants o = 5.0772 A c 28.4167 . TheMossbauer spectra in temperature range between 300K 810K suggest that Fe3+ ions occupy only two five sublattices. observed (400K ≤ T 770K) could explained terms superposition sextets central line. existence line at temperatures much lower than Neel due domain wall oscillations.
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