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dc.contributor.author Oh, Yumi -
dc.contributor.author Sahu, Manisha -
dc.contributor.author Hajra, Sugato -
dc.contributor.author Padhan, Aneeta Manjari -
dc.contributor.author Panda, Swati -
dc.contributor.author Kim, Hoe Joon -
dc.date.accessioned 2022-07-06T02:33:19Z -
dc.date.available 2022-07-06T02:33:19Z -
dc.date.created 2022-03-28 -
dc.date.issued 2022-05 -
dc.identifier.citation Journal of Electronic Materials, v.51, no.5, pp.1933 - 1939 -
dc.identifier.issn 0361-5235 -
dc.identifier.uri http://hdl.handle.net/20.500.11750/16496 -
dc.description.abstract Cobalt ferrite bearing the chemical formula of CoFe2O4 was synthesized by a high-temperature solid-state reaction. The Rietveld refinement of the experimental XRD data shows that the synthesized material crystallizes in a cubic symmetry with a lattice parameter a = b = c = 8.391 Å. The magnetic property of CoFe2O4 reveals the maximum magnetization value of 84.17 emu/g, confirming a strong ferrimagnetic nature. Further, we have built an electromagnetic energy generator (EMG) device based on the CoFe2O4 magnetic material, copper coil, and three-dimensional (3D) printed tube-like structure. The electrical output response of the device was collected by shaking it by hand and an electric shaker. A voltage of 1.95 V and current of 4.7 mA was generated from the device while delivering a power output as high as 0.86 mW at a load resistance of 103 Ω. The electrical output remained constant over long-term device operation, confirming that the fabricated device is capable of generating a stable output for a longer duration. Powering of light-emitting diodes (LEDs) and charging of capacitors were performed by utilizing the fabricated EMG. Further, the self-powered recognition of different speeds when the device was placed upon an electric shaker confirms that it can be utilized in many real-time applications. © 2022, The Minerals, Metals & Materials Society. -
dc.language English -
dc.publisher Springer -
dc.title Spinel Ferrites (CoFe2O4): Synthesis, Magnetic Properties, and Electromagnetic Generator for Vibration Energy Harvesting -
dc.type Article -
dc.identifier.doi 10.1007/s11664-022-09551-5 -
dc.identifier.wosid 000769372200002 -
dc.identifier.scopusid 2-s2.0-85126340343 -
dc.type.local Article(Overseas) -
dc.type.rims ART -
dc.description.journalClass 1 -
dc.citation.publicationname Journal of Electronic Materials -
dc.contributor.nonIdAuthor Oh, Yumi -
dc.contributor.nonIdAuthor Sahu, Manisha -
dc.contributor.nonIdAuthor Hajra, Sugato -
dc.contributor.nonIdAuthor Padhan, Aneeta Manjari -
dc.contributor.nonIdAuthor Panda, Swati -
dc.identifier.citationVolume 51 -
dc.identifier.citationNumber 5 -
dc.identifier.citationStartPage 1933 -
dc.identifier.citationEndPage 1939 -
dc.identifier.citationTitle Journal of Electronic Materials -
dc.description.isOpenAccess N -
dc.subject.keywordAuthor Spinel ferrites -
dc.subject.keywordAuthor magnetic -
dc.subject.keywordAuthor electromagnetic -
dc.subject.keywordAuthor energy harvesting -
dc.subject.keywordPlus ANISOTROPY -
dc.subject.keywordPlus GEL -
dc.contributor.affiliatedAuthor Oh, Yumi -
dc.contributor.affiliatedAuthor Sahu, Manisha -
dc.contributor.affiliatedAuthor Hajra, Sugato -
dc.contributor.affiliatedAuthor Padhan, Aneeta Manjari -
dc.contributor.affiliatedAuthor Panda, Swati -
dc.contributor.affiliatedAuthor Kim, Hoe Joon -
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Department of Robotics and Mechatronics Engineering Nano Materials and Devices Lab 1. Journal Articles

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