Origin of Room Temperature Ferromagnetism in ZnO:Ag
We report the room temperature ferromagnetism in Ag doped ZnO films grown by RF magnetron sputtering. X-ray diffraction of undoped and 2% Ag doped ZnO show the hexagonal wurtzite structure corresponding to c-axis (002) orientation. The presence of defects within Ag-doped ZnO films can be revealed by electron paramagnetic resonance. It has been observed that saturated magnetic moment increase as we increase the oxygen vacancies during deposition.
KeywordsSpintronics ZnO and RTFM
One of the authors (NA) thanks UGC, Government of India, for the financial support through Basic Scientific Research fellowship. BS thanks DST-India for financial support under DST-INSPIRE Faculty programme.