Magnetic ordering of the mixed-spin chain nickelate (Er0.25Gd0.75)2BaNiO5: Spectroscopic study
Keywords: جذب نوری; 78.30.Hv; 75.50.Ee; 75.30.Et; 75.25.+z; Erbium-gadolinium nickelate; Interchain ineraction; Magnetic ordering; Optical absorption;