XRD patterns of (curve a) NdFe0.9Ni0.1O3, (curve b) NdFe0.8Ni0.2O3, (curve c) NdFe0.7Ni0.3O3, (curve d) NdFe0.6Ni0.4O3, (curve e) NdFe0.5Ni0.5O3, (curve f) NdFe0.4Ni0.6O3, and (curve g) NdFe0.3Ni0.7O3 collected at room temperature. Symbol * indicates peaks due to a minor tetragonal Nd4Ni3O8 phase. |