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Characterization and magnetic properties of alloy nanowire arrays
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View: Figures


Image of FIG. 1.
FIG. 1.

XRD pattern of the FeCo nanowire arrays after etching time of 5 h.

Image of FIG. 2.
FIG. 2.

SEM images of AAO template and nanowire arrays. (a) Typical SEM image of AAO template. (b) The top view in low magnification. [(c) and (d)] SEM image of a typical cross section.

Image of FIG. 3.
FIG. 3.

TEM images of AAO template and nanowire arrays. (a) The sample was etched for 5 h. (b) The nanowires with a diameter of about 40 nm. (c) The HRTEM image of the nanowires in (b). (d) The SAED pattern taken from a single nanowire in (b).

Image of FIG. 4.
FIG. 4.

Normalized SQUID magnetometry data for dc electrodeposited nanowire array samples in both field orientations (a) at 300 K and (b) at 5 K.

Image of FIG. 5.
FIG. 5.

Temperature dependence of coercivity of nanowire arrays. Solid stars denote the measured data. Solid lines are linear fitting results of Eq. (3) with temperature being independent of . The dotted lines are the fitting results of Eq. (4) with changing with temperature at .

Image of FIG. 6.
FIG. 6.

The temperature dependence of with a saturated field parallel to the long axis of the nanowire arrays.


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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Characterization and magnetic properties of Fe70Co30 alloy nanowire arrays