Abstract
The magnetic and structural behaviors of a single crystal of La 0.8 Ca 0.2 MnO 3 were investigated in terms of magnetic and neutron diffraction measurements. The frequency-dependent ac magnetic susceptibility reveals that cluster-glassy phase evolves below the Curie temperature ( T C ) in this system, suggesting the existence of short-range correlation below T C embedded in the ferromagnetic (FM) background. A correlation of the magnetic properties in La 0.8 Ca 0.2 MnO 3 with the buckling of MnO 6 octahedra is discussed based on its temperature-dependent neutron and magnetization data.
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