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(a) A low magnification TEM image showing the Mn-doped CdS nanorods prepared by the anisotropic growth using 10 nm Au seed particles with a typical diameter of 10 nm and length about 120 nm; (b) A HRTEM image of Mn-doped CdS nanorods prepared by the anisotropic growth on 10 nm Au seed particles. The inset fast Fourier transform pattern can be indexed as  of wurzite CdS. Stacking faults can be observed at the end of the CdS nanorod; (c) A HRTEM image of the Cd(Mn)S nanorod with Au attached at one end. The white line represents the plane of Au fcc structure. The heteroepitaxial relationship at the interface is identified to be Au(111)//CdS (001).
The PL spectrum of Mn-doped CdS nanorods measured at (a) 300 K and (b) 75 K; the sharp lines at are laser lines.
(a) The magnetic hysteresis loops of Mn-doped CdS nanorods measured from 10 to 300 K and (b) the coercivity as a function of temperature; the dots are experimental data and the line is the fitting curve using Eq. (1).
Magnetization as a function of temperature for Mn-doped CdS nanorods measured at .
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