Neutron diffraction measurements on the title compounds have been carried out over a range of temperature from 10 to 300 K. The compounds have a rhombohedrally distorted perovskite structure. A paramagnetic to ferromagnetic transition is observed for samples with . The ordered magnetic moments obtained for x = 0.2 and 0.3 are found to be 1.5 and respectively at 10 K and are in agreement with those reported from other macroscopic measurements. A possible magnetic structure is discussed.
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Sathe et al. (1996) studied this question.
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