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Structure and magnetic properties of CoxPb1-x nanowire arrays

机译:CoxPb1-x纳米线阵列的结构和磁性

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Ordered CoxPb1-x nanowire arrays embedded in the porous anodic aluminum oxide (AAO) template have been fabricated by electrodeposition. XRD experiments prove that neither hexagonal-close-packed (hcp) nor face-centered-cubic (fcc) Co peaks are detected when the Co component (x) is below 0.91. The coercivity (H-c) and squareness (M-x/M-s) are found to increase with ferromagnetic Co component and the maximum value is at the position x = 1 (pure Co nanowires). Annealing effects cause H-c and M-r/M-s increase, which surpasses the pure Co nanowires in the 0.2 < x < 0.6 at the annealing temperature of 700degreesC. Microstructure change during annealing process is proposed to explain the magnetic properties change of samples. (C) 2004 Elsevier Ltd. All rights reserved.
机译:通过电沉积已制备了嵌入多孔阳极氧化铝(AAO)模板中的有序CoxPb1-x纳米线阵列。 XRD实验证明,当Co分量(x)低于0.91时,既未检测到六角密堆积(hcp),也未检测到面心立方(fcc)的Co峰。发现矫顽力(H-c)和矩形度(M-x / M-s)随着铁磁Co分量的增加而增加,最大值在x = 1的位置(纯Co纳米线)。退火效应导致H-c和M-r / M-s的增加,在700摄氏度的退火温度下,其纯Co纳米线的0.2

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