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https://irlib.pccu.edu.tw/handle/987654321/21015
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| 題名: | Superconductivity-induced magnetoresistance suppression in hybrid superconductor/magnetic tunnel junctions |
| 作者: | Chiang, WC (Chiang, Wen-Chung)
Chang, YM (Chang, Yin-Ming)
Li, KS (Li, Kai-Shin)
Lin, JY (Lin, Jiunn-Yuan)
Lin, MT (Lin, Minn-Tsong) |
| 貢獻者: | 物理系 |
| 關鍵詞: | aluminium compounds
cobalt alloys
ferromagnetic materials
iron alloys
magnetic multilayers
magnetic structure
magnetisation
mixed state
nickel alloys
niobium
superconducting materials
superconducting thin films
superconducting transitions
superconductive tunnelling
tunnelling magnetoresistance |
| 日期: | 2009 |
| 上傳時間: | 2011-12-12 14:13:34 (UTC+8) |
| 摘要: | Hybrid superconductor/magnetic tunnel junctions of Nb/CoFe/AlO/CoFe/NiFe have been implemented to investigate the impact of the superconducting Nb layer on the proximal ferromagnetic CoFe layer. A suppression of tunneling magnetoresistance effect is observed as the Nb layer undergoes the superconducting transition. This suppression is thought to be due primarily to the coupling of the magnetic inhomogeneity of CoFe to the superconductivity of Nb. The magnetic structure-vortex interactions interplay each other, inducing a complex domain evolution in the magnetization process and consequently degrading the junction's antiparallel magnetization alignment. |
| 顯示於類別: | [光電物理系] 期刊論文
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