Arshad, Muhammad Imran;
Mehmood, Kiran;
Amin, Nasir;
Morley, NA;
Thanh, Nguyen Thi Kim;
(2023)
Superior magnetodielectric properties of CoZnNd ferrites/GNPs composite materials for potential applications.
Composites Communications
, 39
, Article 101571. 10.1016/j.coco.2023.101571.
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Abstract
This research explores the effect of graphene nanoplatelets (GNPs) on structural, electrical, magnetic and dielectric properties along with surface morphology of CoZnNd ferrites (CZNF), synthesized through sol-gel auto combustion route. The results exhibited that CZNF particles were dispersed on GNPs, which modified the structural and electromagnetic characteristics of CZNF. Moreover, SEM micrographs revealed the reduction in agglomeration with inclusion of GNPs. Additionally, resistivity was increased in the ferro region and decreased in the para region with rising temperature. TCR for CZNF/2.5 wt %GNPs composite was recorded as −3.49% at 371 K. Excellent magnetodielectric properties were observed for CZNF/2.5 wt %GNPs composite, i.e. Ms = 141.76 emu/g and Hc = 81.2 Oe along with minimum Tan δm and skin depth. On the basis of studied parameters, CZNF/2.5 wt %GNPs composite is appropriate for high frequency micro wave shielding applications, inductors, filters, bolometers and switching devices.
| Type: | Article |
|---|---|
| Title: | Superior magnetodielectric properties of CoZnNd ferrites/GNPs composite materials for potential applications |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1016/j.coco.2023.101571 |
| Publisher version: | https://doi.org/10.1016/j.coco.2023.101571 |
| Language: | English |
| Additional information: | This version is the author-accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions. |
| Keywords: | Nanocomposites, Graphene nanoplatelets, Ferrites, Dielectric, Switching field distribution (SFD) |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Physics and Astronomy |
| URI: | https://discovery-pp.ucl.ac.uk/id/eprint/10181571 |
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