Author:
Boulahya Khalid,Hassan Manar,Minguez Jesús C.G.,Nicolopoulos Stavros
Abstract
AbstractA solid solution of Nd1−xSrxCoO3−δ (with x=0, 1/3, 2/3, and 1) has been prepared and characterized by a combination of X-ray diffraction, electron microscopy, and electron energy-loss spectroscopy (EELS). The structural characterization indicates that Nd-doped materials present an orthorhombic symmetry with a=√2xap, b=√2xap, and c=2xap (ap refers to lattice parameter of simple cubic perovskite), while SrCoO2.5 has an orthorhombic symmetry with a=√2xap, b=4xap, and c=√2xap. EELS analysis revealed that Co are in 3+ oxidation states but in different spin configurations.
Publisher
Cambridge University Press (CUP)
Cited by
1 articles.
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