期刊
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
卷 320, 期 20, 页码 E712-E715出版社
ELSEVIER
DOI: 10.1016/j.jmmm.2008.04.031
关键词
amorphous magnetic material; magnetostatic interaction; anisotropy
The Fe14.5Co16.5Ni55B15 and the Fe13Co15.5Ni51.5B20 ferromagnetic nanowires were deposited using the electrochemical deposition method. The structure of these nanowires was investigated using X-ray diffraction. Squid magnetometer was used to investigate the magnetic behavior. The hysteresis loops of 50 mm long nanowire arrays were studied as a function of boron concentration, nanowire diameter and field orientation. The competition between shape anisotropy and magnetostatic interactions played a vital role in determining the magnetic. field necessary to saturate an array. The decrease in coercive. field (H-c) and the squareness (SQ) of the hysteresis loop from 100 to 200nm wire diameter for both types of compositions suggests the formation of multidomains in the nanowire. (C) 2008 Elsevier B. V. All rights reserved.
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