Tuning magnetic anisotropy of amorphous CoFeB film by depositing on convex flexible substrates

Xinyu Qiao; Baomin Wang; Zhenhua Tang; Yuan Shen; Huali Yang; Junling Wang; Qingfeng Zhan; Sining Mao; Xiaohong Xu; Run-Wei Li

doi:10.1063/1.4943153

Tuning magnetic anisotropy of amorphous CoFeB film by depositing on convex flexible substrates

Xinyu Qiao
, Baomin Wang^*
, Zhenhua Tang
, Yuan Shen
, Huali Yang
, Junling Wang
, Qingfeng Zhan
, Sining Mao
, Xiaohong Xu
, Run-Wei Li

^*Corresponding author for this work

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

26 Citations (Scopus)

5 Downloads (CityUHK Scholars)

Abstract

We have investigated the magnetic properties of amorphous Co₄₀Fe₄₀B₂₀ (CoFeB) thin films grown on flexible polyimide (PI) substrates, which were fixed on convex molds with different curvatures during the magnetron sputtering deposition. When the flexible substrates were changed from convex to flat state after fabrication, a uniaxial magnetic anisotropy was induced in the CoFeB film due to magnetostrictive effect. Furthermore, the anisotropy also depends on the thicknesses of the film and substrate. Our results demonstrate a convenient method to tune the anisotropy of magnetic thin films grown on flexible substrates. © 2016 Author(s).

Original language	English
Article number	056106
Journal	AIP Advances
Volume	6
Issue number	5
DOIs	https://doi.org/10.1063/1.4943153
Publication status	Published - 1 May 2016
Externally published	Yes

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title = "Tuning magnetic anisotropy of amorphous CoFeB film by depositing on convex flexible substrates",

abstract = "We have investigated the magnetic properties of amorphous Co40Fe40B20 (CoFeB) thin films grown on flexible polyimide (PI) substrates, which were fixed on convex molds with different curvatures during the magnetron sputtering deposition. When the flexible substrates were changed from convex to flat state after fabrication, a uniaxial magnetic anisotropy was induced in the CoFeB film due to magnetostrictive effect. Furthermore, the anisotropy also depends on the thicknesses of the film and substrate. Our results demonstrate a convenient method to tune the anisotropy of magnetic thin films grown on flexible substrates. {\textcopyright} 2016 Author(s).",

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AU - Qiao, Xinyu

AU - Wang, Baomin

AU - Tang, Zhenhua

AU - Shen, Yuan

AU - Yang, Huali

AU - Wang, Junling

AU - Zhan, Qingfeng

AU - Mao, Sining

AU - Xu, Xiaohong

AU - Li, Run-Wei

N1 - Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to [email protected].

PY - 2016/5/1

Y1 - 2016/5/1

N2 - We have investigated the magnetic properties of amorphous Co40Fe40B20 (CoFeB) thin films grown on flexible polyimide (PI) substrates, which were fixed on convex molds with different curvatures during the magnetron sputtering deposition. When the flexible substrates were changed from convex to flat state after fabrication, a uniaxial magnetic anisotropy was induced in the CoFeB film due to magnetostrictive effect. Furthermore, the anisotropy also depends on the thicknesses of the film and substrate. Our results demonstrate a convenient method to tune the anisotropy of magnetic thin films grown on flexible substrates. © 2016 Author(s).

AB - We have investigated the magnetic properties of amorphous Co40Fe40B20 (CoFeB) thin films grown on flexible polyimide (PI) substrates, which were fixed on convex molds with different curvatures during the magnetron sputtering deposition. When the flexible substrates were changed from convex to flat state after fabrication, a uniaxial magnetic anisotropy was induced in the CoFeB film due to magnetostrictive effect. Furthermore, the anisotropy also depends on the thicknesses of the film and substrate. Our results demonstrate a convenient method to tune the anisotropy of magnetic thin films grown on flexible substrates. © 2016 Author(s).

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UR - https://www.scopus.com/record/pubmetrics.uri?eid=2-s2.0-84959565990&origin=recordpage

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DO - 10.1063/1.4943153

M3 - RGC 21 - Publication in refereed journal

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JO - AIP Advances

JF - AIP Advances

IS - 5

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Tuning magnetic anisotropy of amorphous CoFeB film by depositing on convex flexible substrates

Abstract

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