Oxygen moment formation and canting in Li2CuO2
UNSPECIFIED. (2003) Oxygen moment formation and canting in Li2CuO2. PHYSICAL REVIEW B, 68 (14). -. ISSN 1098-0121Full text not available from this repository.
Official URL: http://dx.doi.org/10.1103/PhysRevB.68.144410
The possibilities of oxygen moment formation and canting in the quasi-one-dimensional (quasi-1D) cuprate Li2CuO2 are investigated using single-crystal neutron diffraction at 2 K. The observed magnetic intensities could not be explained without the inclusion of a large ordered oxygen moment of 0.11(1)mu(B). Least-squares refinement of the magnetic structure of Li2CuO2 in combination with a spin-density Patterson analysis shows that the magnetization densities of the Cu and O atoms are highly aspherical, forming quasi-1D ribbons of localized Cu and O moments. Magnetic structure refinements and low-field magnetization measurements both suggest that the magnetic structure of Li2CuO2 at 2 K may be canted. A possible model for the canted configuration is proposed.
|Item Type:||Journal Article|
|Subjects:||Q Science > QC Physics|
|Journal or Publication Title:||PHYSICAL REVIEW B|
|Publisher:||AMERICAN PHYSICAL SOC|
|Official Date:||1 October 2003|
|Number of Pages:||9|
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