CONDENSED MATTER: ELECTRONIC STRUCTURE, ELECTRICAL, MAGNETIC, AND OPTICAL PROPERTIES |
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Mechanical and magnetocaloric adjustable properties of Fe3O4/PET deformed nanoparticle film |
Fengguo Fan(范凤国)† and Lintong Duan(段林彤) |
School of Physics and Electrical Information, Shangqiu Normal University, Shangqiu 476000, China |
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Abstract The flexibility of nanoparticle films is a topic of rapidly growing interest in both scientific and engineering researches due to their numerous potential applications in a broad range of wearable electronics and biomedical devices. This article presents the elucidation of the properties of nanoparticle films. Here, a flexible film is fabricated based on polyethylene terephthalate (PET) and magnetic iron oxide at the nanoscale using layer-by-layer technology. The 2D thin flexible film material can be bent at different angles from 0° to 360°. With an increase in elastic deformation angles, the magnetocaloric effect of the film gradually increases in the alternating magnetic field. The test results from a vibrating sample magnetometer and a low-frequency impedance analyzer demonstrate that the film has a good magnetic response and anisotropy. The magnetocaloric effect and magnetic induction effect are controlled by deformation, providing a new idea for the application of elastic films. It combines the flexibility of the nanoparticle PET substrate and, in the future, it may be used for skin adhesion for administration and magnetic stimulation control.
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Received: 16 March 2023
Revised: 18 August 2023
Accepted manuscript online: 22 August 2023
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PACS:
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75.30.Gw
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(Magnetic anisotropy)
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75.30.Kz
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(Magnetic phase boundaries (including classical and quantum magnetic transitions, metamagnetism, etc.))
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75.50.Ee
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(Antiferromagnetics)
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75.75.Jn
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(Dynamics of magnetic nanoparticles)
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Fund: Project supported by Scientific Research Funds (Grant No. 7001/700199) and Henan Provincial Department Scientific Research Project (Grant No. 22A430034). |
Corresponding Authors:
Fengguo Fan
E-mail: fanfengguo@126.com
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Cite this article:
Fengguo Fan(范凤国) and Lintong Duan(段林彤) Mechanical and magnetocaloric adjustable properties of Fe3O4/PET deformed nanoparticle film 2024 Chin. Phys. B 33 037502
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