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Yoo, Jung-Woo
Functional Hybrid Materials and Devices Lab(FHMDL)
Research Interests
  • Transport properties, spintronics, organic/molucular magnet, electronic, and spintronics,
  • 2DEG, energy harvesting device, atomic/molecular layer deposition

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Reprogrammable Ferromagnetic Domains for Reconfigurable Soft Magnetic Actuators

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Title
Reprogrammable Ferromagnetic Domains for Reconfigurable Soft Magnetic Actuators
Author
Song, HyeonseoLee, HajunLee, JaebyeongChoe, Jun KyuLee, SuwooYi, Jee YoonPark, SunghoonYoo, Jung-WooKwon, Min SangKim, Jiyun
Issue Date
2020-06
Publisher
American Chemical Society
Citation
NANO LETTERS, v.20, no.7, pp.5185 - 5192
Abstract
Soft magnetic materials have shown promise in diverse applications due to their fast response, remote actuation, and large penetration range for various conditions. Herein, a new soft magnetic composite material capable of reprogramming its magnetization profile without changing intrinsic magnetic properties of embedded magnetic particles or the molecular property of base material is reported. This composite contains magnetic microspheres in an elastomeric matrix, and the magnetic microspheres are composed of ferromagnetic microparticles encapsulated with oligomeric-PEG. By controlling the encapsulating polymer phase transition, the magnetization profiles of the magnetic composite can be rewritten by physically realigning the ferromagnetic particles. Diverse magnetic actuators with reprogrammable magnetization profiles are developed to demonstrate the complete reprogramming of complex magnetization profile.
URI
https://scholarworks.unist.ac.kr/handle/201301/48349
URL
https://pubs.acs.org/doi/10.1021/acs.nanolett.0c01418
DOI
10.1021/acs.nanolett.0c01418
ISSN
1530-6984
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