Structural and magnetic studies of perovskite YCr(0.5)Mn(0.5)O₃.

Autor: James H; School of Chemistry, The University of Sydney, Sydney, NSW 2006, Australia. Brendan.Kennedy@sydney.edu.au., Kennedy BJ, Whittle TA, Avdeev M
Jazyk: angličtina
Zdroj: Dalton transactions (Cambridge, England : 2003) [Dalton Trans] 2014 Dec 07; Vol. 43 (45), pp. 17085-9.
DOI: 10.1039/c4dt02503b
Abstrakt: The structure of YCr(0.5)Mn(0.5)O6, established from Rietveld refinement of powder neutron diffraction data, contains Cr and Mn that are disordered on the octahedral sites. The structure is best described in the orthorhombic space group Pbnm. Low temperature neutron diffraction data reveal a G-type antiferromagnetic type arrangement, with a ferromagnetic component along the b-axis, indicating that the Cr and Mn couple ferro (or possibly ferri) magnetically to each other.
Databáze: MEDLINE