| Budget Amount *help |
¥17,160,000 (Direct Cost: ¥13,200,000、Indirect Cost: ¥3,960,000)
Fiscal Year 2022: ¥3,380,000 (Direct Cost: ¥2,600,000、Indirect Cost: ¥780,000)
Fiscal Year 2021: ¥3,380,000 (Direct Cost: ¥2,600,000、Indirect Cost: ¥780,000)
Fiscal Year 2020: ¥3,380,000 (Direct Cost: ¥2,600,000、Indirect Cost: ¥780,000)
Fiscal Year 2019: ¥3,380,000 (Direct Cost: ¥2,600,000、Indirect Cost: ¥780,000)
Fiscal Year 2018: ¥3,640,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥840,000)
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| Outline of Final Research Achievements |
Thick anodically synthesized aluminum oxide (AAO) films, with a nanochannel diameter that ranged from 35 nm to 130 nm, were fabricated by controlling the cell voltage during the anodization process. Multilayered nanowires with alternate Co and Cu layers were produced in the AAO nanochannels by applying the rectangular pulsed potential electrodeposition technique using an acidic aqueous solution containing Co2+ and Cu2+ ions. The Co/Cu multilayered structure was clearly observed in the nanowire diameter that ranged from 50 nm to 95 nm. The multilayered nanowires were spontaneously magnetized in the axial direction. The coercivity, Hc, and squareness, Mr/Ms, increased up to 1.24 kOe and 0.93, respectively, with the diameter decreasing to 35 nm. The maximum GMR value reached was 23.4% at room temperature in the Co/Cu multilayered nanowires that had a diameter of 70 nm.
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