DocumentCode :
40748
Title :
Effect of 
on Morphology and Magnetic Properties of CoNi Nanowires
Author :
Gandha, K. ; Poudyal, Narayan ; Qiang Zhang ; Liu, J. Ping
Author_Institution :
Dept. of Phys., Univ. of Texas at Arlington, Arlington, TX, USA
Volume :
49
Issue :
7
fYear :
2013
fDate :
Jul-13
Firstpage :
3273
Lastpage :
3276
Abstract :
Ferromagnetic CoNi nanocrystals with different shape and size were synthesized by reduction in liquid polyol via heterogeneous nucleation. Morphological, structural and compositional characterizations of the nanocrystals were performed together with magnetic property measurements. The CoNi nanocrystals can be controlled to form nanowires or nanorods with length of 20-200 nm and diameter of 5-20 nm by using different catalyst concentration in the synthesis. It is found that the magnetic coercivity of the CoNi nanowires/ nanorods depends on the morphology. The highest coercive force of 2.9 kOe was obtained for nanowires of 50 × 200 nm with Co80Ni20 composition.
Keywords :
catalysts; cobalt alloys; coercive force; ferromagnetic materials; nanofabrication; nanomagnetics; nanorods; nanowires; nickel alloys; nucleation; CoNi; catalyst concentration; coercive force; compositional characterization; ferromagnetic nanocrystals; heterogeneous nucleation; liquid polyol; magnetic coercivity; magnetic properties; morphological characterization; nanorods; nanowires; reduction; structural characterization; Coercive force; Metals; Morphology; Nanocrystals; Nanowires; Perpendicular magnetic anisotropy; Hexagonal closed-packed (hcp) CoNi nanocrystals; magnetic anisotropy; magnetic nanorods and nanowires;
fLanguage :
English
Journal_Title :
Magnetics, IEEE Transactions on
Publisher :
ieee
ISSN :
0018-9464
Type :
jour
DOI :
10.1109/TMAG.2013.2242872
Filename :
6559149
Link To Document :
