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X-ray diffraction patterns of (a) undoped and Co ion implanted at and (b) undoped and ion irradiated with Co-implanted ZnO thin films.
Resistivity as a function temperature for unirradiated and irradiated, Co implanted. ZnO thin films. The inset shows the resistivity as a function of temperature for pure ZnO.
Isothermal dc magnetization as a function of magnetic field for -irradiated Co-implanted ZnO thin films having Co dopings of and .
Magnetic force microscopy (MFM) pictures for (a) pure ZnO film and (b) -ion-irradiated Co-implanted ZnO thin film having Co doping of .
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