Impact of different polyimide-based substrates on the soft magnetic properties of NiFe thin films

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Rittinger, J.; Taptimthong, P.; Jogschies, L.; Wurz, M.C.; Rissing, L.: Impact of different polyimide-based substrates on the soft magnetic properties of NiFe thin films. In: Proceedings of SPIE - The International Society for Optical Engineering 9517 (2015), 95171R. DOI: https://doi.org/10.1117/12.2178765

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Sum total of downloads: 389




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Abstract: 
We investigated the impact of polymer substrates on the magnetic properties of soft magnetic thin films. Experiments were carried out to evaluate the performance of AMR (anisotropic magnetoresistive) sensors deposited on polymeric substrates and to give indications for the design of future sensors on flexible substrates. Sputtered permalloy (NiFe 81/19) was used as a soft magnetic thin film layer. As substrate materials, liquid polyimide precursors and DuPont Kapton® HN foil were examined. Surface roughness was determined for each substrate material. The dynamic of soft magnetic behavior of the permalloy thin films was observed in a homogenous alternating magnetic field. Resulting R-Hcurves were evaluated in regard to the magnitude of the magnetoresistive effect (ΔR / R0-ratio), as well as the resulting magnetic anisotropy of the tested samples. B-H-curves were obtained by means of a vibrating sample magnetometer (VSM). © 2015 COPYRIGHT SPIE.
License of this version: Es gilt deutsches Urheberrecht. Das Dokument darf zum eigenen Gebrauch kostenfrei genutzt, aber nicht im Internet bereitgestellt oder an Außenstehende weitergegeben werden. Dieser Beitrag ist aufgrund einer (DFG-geförderten) Allianz- bzw. Nationallizenz frei zugänglich.
Document Type: BookPart
Publishing status: publishedVersion
Issue Date: 2015
Appears in Collections:Fakultät für Maschinenbau

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pos. country downloads
total perc.
1 image of flag of Germany Germany 210 53.98%
2 image of flag of United States United States 50 12.85%
3 image of flag of China China 19 4.88%
4 image of flag of Russian Federation Russian Federation 13 3.34%
5 image of flag of No geo information available No geo information available 10 2.57%
6 image of flag of India India 10 2.57%
7 image of flag of Taiwan Taiwan 8 2.06%
8 image of flag of Japan Japan 6 1.54%
9 image of flag of United Kingdom United Kingdom 5 1.29%
10 image of flag of France France 5 1.29%
    other countries 53 13.62%

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