Investigation into return loss characteristic of graphene oxide/zinc ferrite/epoxy composite at X-band frequency
Composite absorbing material is a branch of study that relates electromagnetic compatibility to radio and microwave frequency applications. Thus, many researchers have been made to focus on the composite fabrication and its characteristic of microwave signal performance. Generally, a light weight, h...
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| Format: | Article |
| Language: | English |
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Tamkang University
2020
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| Online Access: | http://umpir.ump.edu.my/id/eprint/30172/ http://umpir.ump.edu.my/id/eprint/30172/1/Investigation%20into%20return%20loss%20characteristic%20of%20graphene%20oxide.pdf |
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| author | Chan, Yi Lin You, Kok Yeow Mohd Zul Hilmi, Mayzan Mohamad Ashry, Jusoh Zulkifly, Abas Fahmiruddin, Esa |
| author_facet | Chan, Yi Lin You, Kok Yeow Mohd Zul Hilmi, Mayzan Mohamad Ashry, Jusoh Zulkifly, Abas Fahmiruddin, Esa |
| author_sort | Chan, Yi Lin |
| building | UMP Institutional Repository |
| collection | Online Access |
| description | Composite absorbing material is a branch of study that relates electromagnetic compatibility to radio and microwave frequency applications. Thus, many researchers have been made to focus on the composite fabrication and its characteristic of microwave signal performance. Generally, a light weight, high absorption and low cost absorber is highly demanded. Therefore, this work aims to investigate the return loss (RL) characteristics of graphene oxide/zinc ferrite/epoxy composite in the range of frequency 8.2 GHz to 12.4 GHz. The structural patterns of graphene oxide (GO) and Zn ferrite (ZnFe2O4) were confirmed by X-ray diffraction (XRD). Surface morphologies of the composites were characterized by Coxem Table Top SEM equipped with an energy dispersive spectroscopy (EDS) system and the tracing elements were identified. The bulk density of ZnFe2O4 could be reduced by addition of GO based on the measurement results. Electromagnetic properties were calculated using Nicolson-Ross-Weir (NRW) conversion technique based on measured S-parameters by vector network analyzer (VNA). Complex relative permittivity increases as the GO content increases due to the increment of dipolar polarization whereas a minor change occurred in permeability. Generally, the dissipation factor happens in the range of 10 – 11 GHz for both properties. A minimum RL is found to be -12.7 dB at 10.5 GHz with 2.35 mm for 3-GO-ZnFe2O4 composite sample. The RL performance of the sample could be tuned as low as -55 dB using higher thickness samples. |
| first_indexed | 2025-11-15T02:57:18Z |
| format | Article |
| id | ump-30172 |
| institution | Universiti Malaysia Pahang |
| institution_category | Local University |
| language | English |
| last_indexed | 2025-11-15T02:57:18Z |
| publishDate | 2020 |
| publisher | Tamkang University |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | ump-301722021-10-15T07:51:05Z http://umpir.ump.edu.my/id/eprint/30172/ Investigation into return loss characteristic of graphene oxide/zinc ferrite/epoxy composite at X-band frequency Chan, Yi Lin You, Kok Yeow Mohd Zul Hilmi, Mayzan Mohamad Ashry, Jusoh Zulkifly, Abas Fahmiruddin, Esa TP Chemical technology Composite absorbing material is a branch of study that relates electromagnetic compatibility to radio and microwave frequency applications. Thus, many researchers have been made to focus on the composite fabrication and its characteristic of microwave signal performance. Generally, a light weight, high absorption and low cost absorber is highly demanded. Therefore, this work aims to investigate the return loss (RL) characteristics of graphene oxide/zinc ferrite/epoxy composite in the range of frequency 8.2 GHz to 12.4 GHz. The structural patterns of graphene oxide (GO) and Zn ferrite (ZnFe2O4) were confirmed by X-ray diffraction (XRD). Surface morphologies of the composites were characterized by Coxem Table Top SEM equipped with an energy dispersive spectroscopy (EDS) system and the tracing elements were identified. The bulk density of ZnFe2O4 could be reduced by addition of GO based on the measurement results. Electromagnetic properties were calculated using Nicolson-Ross-Weir (NRW) conversion technique based on measured S-parameters by vector network analyzer (VNA). Complex relative permittivity increases as the GO content increases due to the increment of dipolar polarization whereas a minor change occurred in permeability. Generally, the dissipation factor happens in the range of 10 – 11 GHz for both properties. A minimum RL is found to be -12.7 dB at 10.5 GHz with 2.35 mm for 3-GO-ZnFe2O4 composite sample. The RL performance of the sample could be tuned as low as -55 dB using higher thickness samples. Tamkang University 2020-12-01 Article PeerReviewed pdf en cc_by_4 http://umpir.ump.edu.my/id/eprint/30172/1/Investigation%20into%20return%20loss%20characteristic%20of%20graphene%20oxide.pdf Chan, Yi Lin and You, Kok Yeow and Mohd Zul Hilmi, Mayzan and Mohamad Ashry, Jusoh and Zulkifly, Abas and Fahmiruddin, Esa (2020) Investigation into return loss characteristic of graphene oxide/zinc ferrite/epoxy composite at X-band frequency. Journal of Applied Science and Engineering, 23 (4). pp. 593-602. ISSN 1560-6686. (Published) http://jase.tku.edu.tw/articles/jase-202012-23-4-0003.pdf https://doi.org/10.6180/jase.202012_23(4).0003 |
| spellingShingle | TP Chemical technology Chan, Yi Lin You, Kok Yeow Mohd Zul Hilmi, Mayzan Mohamad Ashry, Jusoh Zulkifly, Abas Fahmiruddin, Esa Investigation into return loss characteristic of graphene oxide/zinc ferrite/epoxy composite at X-band frequency |
| title | Investigation into return loss characteristic of graphene oxide/zinc ferrite/epoxy composite at X-band frequency |
| title_full | Investigation into return loss characteristic of graphene oxide/zinc ferrite/epoxy composite at X-band frequency |
| title_fullStr | Investigation into return loss characteristic of graphene oxide/zinc ferrite/epoxy composite at X-band frequency |
| title_full_unstemmed | Investigation into return loss characteristic of graphene oxide/zinc ferrite/epoxy composite at X-band frequency |
| title_short | Investigation into return loss characteristic of graphene oxide/zinc ferrite/epoxy composite at X-band frequency |
| title_sort | investigation into return loss characteristic of graphene oxide/zinc ferrite/epoxy composite at x-band frequency |
| topic | TP Chemical technology |
| url | http://umpir.ump.edu.my/id/eprint/30172/ http://umpir.ump.edu.my/id/eprint/30172/ http://umpir.ump.edu.my/id/eprint/30172/ http://umpir.ump.edu.my/id/eprint/30172/1/Investigation%20into%20return%20loss%20characteristic%20of%20graphene%20oxide.pdf |