Peculiarities of Hysteretic Properties and Magnetostriction of Nano-Structured Fe10Ni90 Films

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Abstract

The study is related to the investigation of hysteresis and magnetostrictive properties of single-layer Fe10Ni90 films and nano-structured [Fe10Ni90/Cu]p/Fe10Ni90 films, where the magnetostrictive layers are separated with a nonmagnetic interlayer. The magnetostriction effect is shown to depend on the total layer thickness; in this case, the magnetostriction of the [Fe10Ni90/Cu]p/Fe10Ni90 film structures was found to be higher than that of the single-layer Fe10Ni90 films. The observed peculiarity is associated with weakening the fixing effect of a substrate.

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About the authors

K. G. Balymov

Ural Federal University Named after the First President of Russia B.N. Yeltsin

Author for correspondence.
Email: k.g.balymov@urfu.ru
Russian Federation, Ekaterinburg, 620002

E. V. Kudyukov

Ural Federal University Named after the First President of Russia B.N. Yeltsin

Email: k.g.balymov@urfu.ru
Russian Federation, Ekaterinburg, 620002

М. А. Kalinin

Ural Federal University Named after the First President of Russia B.N. Yeltsin

Email: k.g.balymov@urfu.ru
Russian Federation, Ekaterinburg, 620002

V. N. Lepalovskij

Ural Federal University Named after the First President of Russia B.N. Yeltsin

Email: k.g.balymov@urfu.ru
Russian Federation, Ekaterinburg, 620002

Е. А. Кravtsov

Ural Federal University Named after the First President of Russia B.N. Yeltsin; Miheev Institute of Metal Physics, Ural Branch, Russian Academy of Sciences

Email: k.g.balymov@urfu.ru
Russian Federation, Ekaterinburg, 620002; Ekaterinburg, 620108

V. O. Vas’kovskiy

Ural Federal University Named after the First President of Russia B.N. Yeltsin; Miheev Institute of Metal Physics, Ural Branch, Russian Academy of Sciences

Email: k.g.balymov@urfu.ru
Russian Federation, Ekaterinburg, 620002; Ekaterinburg, 620108

References

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  2. Yiwei Liu, Qingfeng Zhan, Guohong Dai, Xiaoshan Zhang, Baomin Wang, Gang Liu, ZhenghuZuo, Xin Rong, Huali Yang, Xiaojian Zhu, YaliXie, Bin Chen, Run-Wei Li. Thermally assisted electric field control of magnetism in flexible multiferroic heterostructures // Scientific Reports. 2014. V. 4. P. 6925.
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Supplementary files

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2. 1. X-ray diffraction pattern of Fe10Ni90 film with a thickness of 100 nm.

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3. 2. Magnetoresistive curves for the [Fe10Ni90(100 nm)/Cu]6/Fe10Ni90(100 nm) film, measured in a field parallel to the long side of the sample in the initial state (curve 1) and at a relative compression strain of 0.055% (curve 2).

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4. 3. Dependences of the magnetostriction constant λs, determined from magnetoresistive loops, on the thickness of single-layer Fe10Ni90 films (curve 1) and the total thickness of Fe10Ni90 layers of the [Fe10Ni90/Cu]p/Fe10Ni90 film structure (curve 2).

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5. Fig. 4. Hysteresis loops measured on a vibration magnetometer along (curves 1) and perpendicular to (curves 2) the OTP: (a) – Fe10Ni90 (200 nm), (b) – Fe10Ni90 (400 nm), (c) – [Fe10Ni90(100 nm)/Cu]2/Fe10Ni90(100 nm) and (g) – [Fe10Ni90(100 nm)/Cu]7/Fe10Ni90(100 nm). The inserts in Figures (b) and (d) show hysteresis loops measured perpendicular to the film plane.

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6. Fig. 5. Dependences of the Mr/Ms ratio (curve 1), determined from hysteresis loops measured along the OTP, and grain size (curve 2) on the thickness of Fe10Ni90 films.

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7. 6. The dependence of the Mr/Ms ratio on the number of periods in the structure of [Fe10Ni90(100 nm)/Cu]p/Fe10Ni90 (100 nm).

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8. 7. Mises stress distribution over the film thickness [Fe10Ni90(100 nm)/Cu]8/Fe10Ni90 (100 nm).

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