Effect of a small disruption of the Ca site on the geometrically frustrated magnetic behavior of Ca3CoRhO6 - Condensed Matter > Strongly Correlated ElectronsReportar como inadecuado




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Abstract: The compound, Ca3CoRhO6, containing magnetic Co-Rh chains intervened by Caions, has been known to be one of the few exhibiting partially disorderedantiferromagnetic structure (PDA) due to geometrical frustration. Here, wereport the influence of partial replacement of Ca by Y on the magneticanomalies by investigating the solid solution, Ca(3-x)Y(x)CoRhO6 by bulkmeasurements. There are profound changes in the magnetic behavior, the mostnotable one being that the features attributable to spin-chain magnetism andPDA structure get suppressed dramatically by a small replacement of Ca by Y (x=0.15), despite the fact that the magnetic chain is not disrupted. This findingsuggests that this compound is on the verge of PDA-structural-instability.



Autor: Niharika Mohapatra, E.V. Sampathkumaran

Fuente: https://arxiv.org/







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