Flexible Magnetic Polymer Composite Substrate with Ba1.5Sr1.5Z Hexaferrite Particles of VHF/Low UHF Patch Antennas for UAVs and Medical Implant Devices

Our goal is to fabricate flexible magnetic polymer composites as antenna substrates for very high frequency (VHF)/low ultra high frequency (UHF) antennas for unmanned aerial vehicles (UAVs) and medical devices. Magnetodielectric materials, which have permeability (μ) simi...

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Main Authors:	Sang-Eui Lee, Seong Pil Choi, Kyung-Sub Oh, Jaehwan Kim, Sang Min Lee, Kang Rae Cho
Format:	Article
Language:	English
Published:	MDPI AG 2020-02-01
Series:	Materials
Subjects:	antenna substrate magnetodielectric composite hexaferrite vhf uhf uav mics
Online Access:	https://www.mdpi.com/1996-1944/13/4/1021

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record_format	Article
spelling	doaj-f0d5c104c2af495e9ddedb6f0d275b0d2020-11-25T02:09:20ZengMDPI AGMaterials1996-19442020-02-01134102110.3390/ma13041021ma13041021Flexible Magnetic Polymer Composite Substrate with Ba<sub>1.5</sub>Sr<sub>1.5</sub>Z Hexaferrite Particles of VHF/Low UHF Patch Antennas for UAVs and Medical Implant DevicesSang-Eui Lee0Seong Pil Choi1Kyung-Sub Oh2Jaehwan Kim3Sang Min Lee4Kang Rae Cho5Department of Mechanical Engineering, Inha University, Incheon 22212, KoreaDepartment of Mechanical Engineering, Inha University, Incheon 22212, KoreaSmart Radar System, Rm 701, Innovalley A, 253, Pangyo-ro, Seongnam-si 13486, Gyeonggi-do, KoreaDepartment of Mechanical Engineering, Inha University, Incheon 22212, KoreaDepartment of Electronic Engineering, Inha University, Incheon 22212, KoreaPhysical and Life Sciences Directorate, Lawrence Livermore National Laboratory, Livermore, CA 94550, USAOur goal is to fabricate flexible magnetic polymer composites as antenna substrates for very high frequency (VHF)/low ultra high frequency (UHF) antennas for unmanned aerial vehicles (UAVs) and medical devices. Magnetodielectric materials, which have permeability (<i>μ</i>) similar to permittivity (<i>ε</i>), have attracted great attention, because they facilitate miniaturization of microwave devices while keeping or enhancing electromagnetic characteristics. Mechanically millled Ba<sub>1.5</sub>Sr<sub>1.5</sub>Co<sub>2</sub>Fe<sub>24</sub>O<sub>41</sub> (Ba<sub>1.5</sub>Sr<sub>1.5</sub>Z) hexaferrite particles were used to increase permeability in the interesting frequency band. The microwave properties of Ba<sub>1.5</sub>Sr<sub>1.5</sub>Z composites were predicted and measured. Hansen’s zero-order analysis of antenna bandwidth and electromagnetic field simulation showed that the hexaferrite-based flexible composite could enhance a bandwidth and achieve the miniaturization of antennas as well. The magnetic antenna substrates can be a good solution to integrate antennas into the UAVs whose dimensions are comparable to or larger than communication wavelength.https://www.mdpi.com/1996-1944/13/4/1021antenna substratemagnetodielectric compositehexaferritevhfuhfuavmics
collection	DOAJ
language	English
format	Article
sources	DOAJ
author	Sang-Eui Lee Seong Pil Choi Kyung-Sub Oh Jaehwan Kim Sang Min Lee Kang Rae Cho
spellingShingle	Sang-Eui Lee Seong Pil Choi Kyung-Sub Oh Jaehwan Kim Sang Min Lee Kang Rae Cho Flexible Magnetic Polymer Composite Substrate with Ba<sub>1.5</sub>Sr<sub>1.5</sub>Z Hexaferrite Particles of VHF/Low UHF Patch Antennas for UAVs and Medical Implant Devices Materials antenna substrate magnetodielectric composite hexaferrite vhf uhf uav mics
author_facet	Sang-Eui Lee Seong Pil Choi Kyung-Sub Oh Jaehwan Kim Sang Min Lee Kang Rae Cho
author_sort	Sang-Eui Lee
title	Flexible Magnetic Polymer Composite Substrate with Ba<sub>1.5</sub>Sr<sub>1.5</sub>Z Hexaferrite Particles of VHF/Low UHF Patch Antennas for UAVs and Medical Implant Devices
title_short	Flexible Magnetic Polymer Composite Substrate with Ba<sub>1.5</sub>Sr<sub>1.5</sub>Z Hexaferrite Particles of VHF/Low UHF Patch Antennas for UAVs and Medical Implant Devices
title_full	Flexible Magnetic Polymer Composite Substrate with Ba<sub>1.5</sub>Sr<sub>1.5</sub>Z Hexaferrite Particles of VHF/Low UHF Patch Antennas for UAVs and Medical Implant Devices
title_fullStr	Flexible Magnetic Polymer Composite Substrate with Ba<sub>1.5</sub>Sr<sub>1.5</sub>Z Hexaferrite Particles of VHF/Low UHF Patch Antennas for UAVs and Medical Implant Devices
title_full_unstemmed	Flexible Magnetic Polymer Composite Substrate with Ba<sub>1.5</sub>Sr<sub>1.5</sub>Z Hexaferrite Particles of VHF/Low UHF Patch Antennas for UAVs and Medical Implant Devices
title_sort	flexible magnetic polymer composite substrate with ba<sub>1.5</sub>sr<sub>1.5</sub>z hexaferrite particles of vhf/low uhf patch antennas for uavs and medical implant devices
publisher	MDPI AG
series	Materials
issn	1996-1944
publishDate	2020-02-01
description	Our goal is to fabricate flexible magnetic polymer composites as antenna substrates for very high frequency (VHF)/low ultra high frequency (UHF) antennas for unmanned aerial vehicles (UAVs) and medical devices. Magnetodielectric materials, which have permeability (<i>μ</i>) similar to permittivity (<i>ε</i>), have attracted great attention, because they facilitate miniaturization of microwave devices while keeping or enhancing electromagnetic characteristics. Mechanically millled Ba<sub>1.5</sub>Sr<sub>1.5</sub>Co<sub>2</sub>Fe<sub>24</sub>O<sub>41</sub> (Ba<sub>1.5</sub>Sr<sub>1.5</sub>Z) hexaferrite particles were used to increase permeability in the interesting frequency band. The microwave properties of Ba<sub>1.5</sub>Sr<sub>1.5</sub>Z composites were predicted and measured. Hansen’s zero-order analysis of antenna bandwidth and electromagnetic field simulation showed that the hexaferrite-based flexible composite could enhance a bandwidth and achieve the miniaturization of antennas as well. The magnetic antenna substrates can be a good solution to integrate antennas into the UAVs whose dimensions are comparable to or larger than communication wavelength.
topic	antenna substrate magnetodielectric composite hexaferrite vhf uhf uav mics
url	https://www.mdpi.com/1996-1944/13/4/1021
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Flexible Magnetic Polymer Composite Substrate with Ba<sub>1.5</sub>Sr<sub>1.5</sub>Z Hexaferrite Particles of VHF/Low UHF Patch Antennas for UAVs and Medical Implant Devices

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