Title :
Magnetic Characterization of Nanowire Arrays Using First Order Reversal Curves
Author :
Lav?n, R. ; Denardin, J.C. ; Escrig, J. ; Altbir, D. ; Cort?©s, A. ; Gomez, H.
Author_Institution :
Dept. de Fis., Univ. de Santiago de Chile, Santiago
Abstract :
Arrays of Ni nanowires have been studied by means of first order reversal curves (FORC) diagrams. The dependence of the coercivity of the arrays as a function of the length of the nanowires has been experimentally investigated. We have shown that the FORC diagrams provide detailed information about the distribution of interactions and coercivities and allowed us to observe the reversible component of magnetization. Our results are in good agreement with analytical calculations obtained by means of a simple model.
Keywords :
coercive force; magnetic hysteresis; magnetisation reversal; nanowires; nickel; Ni; coercivities; first order reversal curves; hysteresis curves; interaction distribution; magnetization; nanowires arrays; First order reversal curves (FORC); magnetic nanowires;
Journal_Title :
Magnetics, IEEE Transactions on
DOI :
10.1109/TMAG.2008.2001814
