Magnetic properties of (1Â 1Â 0)- and (2Â 0Â 0)-oriented Fe-nanowire arrays

Fe-nanowire arrays with (1 1 0) and (2 0 0) orientation have been fabricated through controlling the pH values in electrodeposition. Fe-nanowire arrays 30 and 60 nm in diameter were obtained. With the magnetic field applied parallel to the wire, 60 nm diameter Fe nanowires with preferred (2 0 0) orientation show an improved squareness and an easier magnetization than the nanowires with preferred (1 1 0) orientation. For 30 nm diameter Fe nanowires, (2 0 0)-oriented nanowires show an improved squareness and coercivity compared with (1 1 0)-oriented nanowires.