Sample Length Dependence of Giant Magnetoimpedance in FeCuNbSiB Nanocrystalline Ribbons
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- Zhao Ma
- School of Materials and Chemical Engineering, Zhengzhou University of Light Industry
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- Fang Shaoming
- School of Materials and Chemical Engineering, Zhengzhou University of Light Industry
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- Han Zhouxiang
- School of Materials and Chemical Engineering, Zhengzhou University of Light Industry
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- Wei Jianying
- School of Materials and Chemical Engineering, Zhengzhou University of Light Industry
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- Peng Hui
- School of Materials and Chemical Engineering, Zhengzhou University of Light Industry
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- Chen Linfu
- School of Materials and Chemical Engineering, Zhengzhou University of Light Industry
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In this work the sample length dependence of giant magnetoimpedance for Fe73.5Cu1Nb3Si13.5B9 nanocrystalline ribbons was investigated. The longitudinal magnetoimpedance ΔZ⁄Z0 for Fe73.5Cu1Nb3Si13.5B9 nanocrystalline ribbons decreases with the decreasing of sample length L due to the demagnetization effects. The demagnetization field lowers the permeability, especially for the very shorter sample. The magnetoimpedance ΔZ⁄Z0 experiences a peak under a field Hp due to the existence of transverse anisotropy. Different from the saturation behavior of Hp at high frequencies for longer sample with L=40 mm, there is a maximum phenomenon of peak field HP at about 700∼900 kHz for shorter sample with L=13 mm. With increasing ac frequency, the peak-magnetoimpedance (ΔZ⁄Z0)p also experiences a maximum value for both longer and shorter samples. The maximum peak-magnetoimpedance [(ΔZ⁄Z0)p]max shifts to lower frequency with reduction of sample length.
収録刊行物
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- MATERIALS TRANSACTIONS
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MATERIALS TRANSACTIONS 48 (3), 460-464, 2007
公益社団法人 日本金属学会
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詳細情報 詳細情報について
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- CRID
- 1390001204251367936
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- NII論文ID
- 130004453488
- 10018734834
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- NII書誌ID
- AA1151294X
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- ISSN
- 13475320
- 13459678
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- NDL書誌ID
- 8671028
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
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