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Enhanced magneto-optical effects in composite coaxial nanowires embedded with Ag nanoparticles

Journal Article · · Scientific Reports
DOI:https://doi.org/10.1038/srep29170· OSTI ID:1624844
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  1. Xiamen Univ. (China). Dept. of Physics. Collaborative Innovation Center for Optoelectronic Semiconductors and Efficient Devices. Fujian Provincial Key Lab. of Semiconductors and Applications; DOE/OSTI
  2. Xiamen Univ. (China). Dept. of Physics. Collaborative Innovation Center for Optoelectronic Semiconductors and Efficient Devices. Fujian Provincial Key Lab. of Semiconductors and Applications
  3. Xiamen Univ. (China). Dept. of Physics. Collaborative Innovation Center for Optoelectronic Semiconductors and Efficient Devices. Fujian Provincial Key Lab. of Semiconductors and Applications; Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Center for Nanophase Materials Sciences (CNMS)
Nanostructures decorated with noble metal nanoparticles (NPs) exhibit potential for use in highly sensitive optoelectronic devices through the localized surface plasmon resonance (LSPR) effect. In this study, Faraday rotation was significantly enhanced through the structural optimization of ferromagnetic (FM)/semiconductor composite nanostructures. Experimental and theoretical results revealed that the position of noble metal NPs significantly influenced the coupling of the LSPR-enhanced electromagnetic field with FM materials. Furthermore, nanostructures embedded with noble metals demonstrated an improved capability to efficiently use the electromagnetic field compared to other structures. The Faraday rotation of ZnO/Ag(NPs)/Fe was enhanced 58 fold compared to that of the ZnO(film)/Fe. This work provides a basis for the design of nanoarchitectures for miniaturized high-performance magneto-optical devices
Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES). Scientific User Facilities Division
Grant/Contract Number:
AC05-00OR22725
OSTI ID:
1624844
Journal Information:
Scientific Reports, Journal Name: Scientific Reports Journal Issue: 1 Vol. 6; ISSN 2045-2322
Publisher:
Nature Publishing GroupCopyright Statement
Country of Publication:
United States
Language:
English

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