title: Stretchable Spin Valve with Stable Magnetic Field Sensitivity by Ribbon-Patterned Periodic Wrinkles.
abstract: A strain-relief structure by combining the strain-engineered periodic wrinkles and the parallel ribbons was employed to fabricate flexible dual spin valves onto PDMS substrates in a direct sputtering method. The strain-relief structure can accommodate the biaxial strain accompanying with stretching operation (the uniaxial applied tensile strain and the induced transverse compressive strain due to the Poisson effect), thus significantly reducing the influence of the residual strain on the giant magnetoresistance (GMR) performance. The fabricated GMR dual spin-valve sensor exhibits the nearly unchanged MR ratio of 9.9%, magnetic field sensitivity up to 0.69%/Oe, and zero-field resistance in a wide range of stretching strain, making it promising for applications on a conformal shape or a movement part.
authors.affiliation: Key Laboratory of Magnetic Materials and Devices & Zhejiang Province Key Laboratory of Magnetic Materials and Application Technology, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences , Ningbo 315201, People's Republic of China.
authors.forename: Huihui
authors.initials: H
authors.lastname: Li
authors.affiliation: Key Laboratory of Magnetic Materials and Devices & Zhejiang Province Key Laboratory of Magnetic Materials and Application Technology, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences , Ningbo 315201, People's Republic of China.
authors.forename: Qingfeng
authors.initials: Q
authors.lastname: Zhan
authors.affiliation: Key Laboratory of Magnetic Materials and Devices & Zhejiang Province Key Laboratory of Magnetic Materials and Application Technology, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences , Ningbo 315201, People's Republic of China.
authors.forename: Yiwei
authors.initials: Y
authors.lastname: Liu
authors.affiliation: Key Laboratory of Magnetic Materials and Devices & Zhejiang Province Key Laboratory of Magnetic Materials and Application Technology, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences , Ningbo 315201, People's Republic of China.
authors.forename: Luping
authors.initials: L
authors.lastname: Liu
authors.affiliation: Key Laboratory of Magnetic Materials and Devices & Zhejiang Province Key Laboratory of Magnetic Materials and Application Technology, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences , Ningbo 315201, People's Republic of China.
authors.forename: Huali
authors.initials: H
authors.lastname: Yang
authors.affiliation: Key Laboratory of Magnetic Materials and Devices & Zhejiang Province Key Laboratory of Magnetic Materials and Application Technology, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences , Ningbo 315201, People's Republic of China.
authors.forename: Zhenghu
authors.initials: Z
authors.lastname: Zuo
authors.affiliation: Key Laboratory of Magnetic Materials and Devices & Zhejiang Province Key Laboratory of Magnetic Materials and Application Technology, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences , Ningbo 315201, People's Republic of China.
authors.forename: Tian
authors.initials: T
authors.lastname: Shang
authors.affiliation: Key Laboratory of Magnetic Materials and Devices & Zhejiang Province Key Laboratory of Magnetic Materials and Application Technology, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences , Ningbo 315201, People's Republic of China.
authors.forename: Baomin
authors.initials: B
authors.lastname: Wang
authors.affiliation: Key Laboratory of Magnetic Materials and Devices & Zhejiang Province Key Laboratory of Magnetic Materials and Application Technology, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences , Ningbo 315201, People's Republic of China.
authors.forename: Run-Wei
authors.initials: RW
authors.lastname: Li
keywords: GMR spin valve; magnetoelectronics; strain engineering; stretchable; wrinkle