Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/19685
Title: Ferromagnetic anisotropy of carbon-doped ZnO nanoneedles fabricated by ion beam technique
Authors: Wei, CS
Lau, SP 
Tanemura, M
Subramanian, M
Akaike, Y
Keywords: Ferromagnetic anisotropy
Ferromagnetic properties
Ion beam irradiation
ZnO:C nanoneedles
Issue Date: 2012
Publisher: North-Holland
Source: Applied surface science, 2012, v. 258, no. 14, p. 5486-5489 How to cite?
Journal: Applied surface science 
Abstract: Carbon-doped ZnO (ZnO:C) nanoneedles were fabricated using ion beam irradiation with a simultaneous supply of carbon at room temperature. The structure and the magnetic properties of the ZnO:C nanoneedles were investigated. Hysteresis loops and zero-field cooling (ZFC) and field cooling (FC) curves demonstrated the ferromagnetic properties of the ZnO:C nanoneedles. The Curie temperature of the ZnO:C is above 330 K. The ferromagnetic anisotropy with an easy axis perpendicular to the shape axis of the ZnO:C nanoneedles was observed due to the dipole-dipole magnetic interaction amongst nanoneedles.
URI: http://hdl.handle.net/10397/19685
ISSN: 0169-4332
EISSN: 1873-5584
DOI: 10.1016/j.apsusc.2012.02.048
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