Characteristic High-Field Dependence of Magnetoresistance in Fe/Ag Granular Thin Films Fabricated by Sputtering and Annealing
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概要
- 論文の詳細を見る
Magnetoresistance (MR) have been measured at 4.2 K in magnetic fields up to 140 kOe for Fe/Ag granular films produced by sputtering and heat treatment. In a Ag-rich specimen, the MR ratio is larger than 25% even in the as-deposited state, whereas it is suppressed with increasing Fe content. The MR ratio becomes about 55% in the 14 at.%Fe specimen annealed at 573 K for 10 min. Based upon the giant MR (GMR) models of granular materials, these results indicate the importance of Fe particle size and Fe/Ag interface roughness in achieving GMR.
- 社団法人応用物理学会の論文
- 1994-09-15
著者
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Suzuki Kenji
Institute For Material Resezrch Tohoku University
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Suzuki Kiyonori
Department Of Materials Science Kitami Institute Of Technology
-
Makhlouf Salah
Institute For Materials Research Tohoku University
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Sumiyama Kenji
Institute For Materials Research Tohoku University
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Suzuki Kenji
Institute For Masterials Research Tohoku University
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