... Ta ratio, (ii) Co- Ta of 15% Ta ratio, (iii) Co- Ta of 20% Ta ratio and (iv) Co- Ta of 25% Ta ratio 68 Fig 4.6.4 MFM images of (i) Co, (ii) Co- Ta (5%), (iii) Co- Ta (10%), (iv) Co- Ta (15%), (v) Co- Ta ... Co- Ta (20%) and (vi) Co- Ta (25%) 69 Fig 4.6.5 TEM images showing the crystal structures of (i) Co- Ta of 10% Ta ratio, (ii) Co- Ta of 15% Ta ratio, (iii) Co- Ta of 20% Ta ratio and (iv) Co- Ta of ... Co as Top Electrode 63 iii Table of contents 4.6 4.7 Co- Ta Alloy 65 4.6.1: Calibration of Co and Ta 65 4.6.2: Coercivity of Co- Ta Films 66 4.6.3: TEM of Co- Ta Grains 68 4.6.4: MFM Images of Co- Ta...