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RSC Adv
December 2019
School of Materials Science and Technology, Indian Institute of Technology (Banaras Hindu University) Varanasi 221005 India
The systematic evolution of structure, photoluminescence and different magnetic transitions in GdMnO is reported after Cr doping. With increasing the Cr concentration from 10 to 40 at%, Rietveld refinement of X-ray diffraction patterns demonstrates that an O' type orthorhombic structure transforms to O type, manifesting a reduction in lattice volume. The noticeable reduction in lattice volume is ascribed to the smaller size of the Cr ion compared to Mn.
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