Effect of Excitation Parameters on the Barkhausen-Noise in FINEMET-Type Amorphous Ribbons
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- Daróczi L.
- Department of Solid State Physics, University of Debrecen
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- Eszenyi G.
- Department of Solid State Physics, University of Debrecen
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- Molnár Zs.
- Department of Solid State Physics, University of Debrecen
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- Beke D. L.
- Department of Solid State Physics, University of Debrecen
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- Bükki-Deme A.
- Department of Solid State Physics, University of Debrecen
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- Zámborszky F.
- Magnetec Ungarn GmbH
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Probability frequency spectra of the peak area, energy and width of the Barkhausen noise (BN) signals have been measured versus induction in a narrow induction window during traversing the magnetization loop from negative to positive saturation (and reverse) in Fe(75)Si(15)Nb(3)B(6)Cu(1) amorphous metallic glasses. It was obtained, that the noise power, as the function of the induction, B, showed a wide minimum at B = 0 and two sharp peaks around the knees of the magnetization loop. This can be a quite general feature of soft magnetic materials and can be related to the fact that at around the knees a mechanism, different from the domain motion in a random pinning field operates: new domains are created or existing domains are destroyed. Furthermore, it is also shown that the probability frequency of the duration, area and energy of the peaks are described by power function even far from the B = 0 point, but with higher exponents belonging to the stationary values obtained around B = 0.
収録刊行物
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- MATERIALS TRANSACTIONS
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MATERIALS TRANSACTIONS 55 (8), 1237-1242, 2014
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
- 1390282679229867008
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- NII論文ID
- 130004825190
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- NII書誌ID
- AA1151294X
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- ISSN
- 13475320
- 13459678
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- NDL書誌ID
- 025617184
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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
- Crossref
- CiNii Articles
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- 使用不可