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Journal of Magnetics
ZnO nanotips, grown on c-Al 2 O 3 and quartz, were implanted variously with 200 keV Fe or Mn ions to a dose level of 5 × 10 16 cm −2 . The magnetic properties of these samples were measured using a superconducting quantum interference device (SQUID) magnetometer. Fe-implanted ZnO nanotips grown on c-Al 2 O 3 showed a coercive field width of 209 Oe and a remanent field of 12% of the saturation magnetization (2.3 × 10 −5 emu) at 300 K for a sample annealed at 700 o C for 20 minutes. Thedoi:10.4283/jmag.2008.13.1.019 fatcat:q5w3m63h4fde5phc56ftpsphtq