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On the Atomic and Magnetic Structure of Er2Fe17
Published online by Cambridge University Press: 28 February 2011
Abstract
We present the results of Rietveld analysis on the neutron diffraction intensities of Er2Fe17, which crystallizes in the hexagonal Th2Ni17 phase. Of the reflection sets, h-k ≠ 3n, l = 2n+1 and l = 2n, the former fit better than the latter and are in general more intense. This suggests disordered transition-metal-substitution on the planes parallel to the c-axis resulting in stacking faults; ABABs... is the usual sequence of ordered transition-metalsubstitutions in the parent CaCu5 phase. Influence of such deformations on the interatomic distances inthe substitution zone and the consequent magnetic bonding and anisotropy is discussed.
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- Copyright © Materials Research Society 1989