期刊
JOURNAL OF ALLOYS AND COMPOUNDS
卷 864, 期 -, 页码 -出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2021.158780
关键词
Structural properties; FTIR; Optical properties; Microwave absorption properties; Reflection loss; Composite Co/Fe2O3
资金
- PD (Penelitian Dasar) - Indonesia Government (Kemenristek/BRIN) [1516/UN4.22/PT.01.03/2020]
- PT (Penelitian Terapan) - Indonesia Government (Kemenristek/BRIN) [1516/UN4.22/PT.01.03/2020]
The study successfully achieved a composite Co/Fe2O3/AC material with excellent electromagnetic wave absorption performance, attributed to conductivity loss, multiple reflections, electron hoping, and scattering caused by the unique arrangement of atoms. This material shows great potential for the development of absorbing materials for electromagnetic waves.
The new absorbing materials, thin, light, and strong become a challenge and attract more scientists to find excellent absorption performance. In this work, the composite Co/Fe2O3/AC was achieved through a simple milling method at 10 Hz for 1 h. The Co/Fe2O3/AC for 20%AC has an excellent absorption of electromagnetic wave performance with a minimum reflection loss (RL) value of -69.39 dB for the thickness of 4 mm at the frequency 11.302 GHz, followed by 15% AC with an RL value of -61.74 dB for the thickness of 3 mm at the frequency 11.19 GHz. The excellent absorption performance is related to conductivity loss, multiple reflections, electron hoping, and scattering caused by the unique arrangement of atoms. The study provided new and high potentials composite for the development of electromagnetic wave absorbing materials. (C) 2021 Elsevier B.V. All rights reserved.
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