Performance effect of ZnAl2O4 - SiO2 thin film for wireless patch antenna application

Mohd Syafiq Zulfakar, Huda Abdullah, Mohammad Tariqul Islam, Wan Nasarudin Wan Jalal, Zalita Zainuddin, Sahbudin Shaari

Research output: Contribution to journalArticle

Abstract

Polycrystalline of (1-x)ZnAl2O4 - xSiO2 compound with compositions of x = 0.00, 0.05, 0.10, 0.15, 0.20 and 0.25 have been prepared using sol-gel method. Structural properties was investigated by atomic force microscopy (AFM) and x-ray diffractometer (XRD). The AFM images analysis showed that the surface roughness of the highest composition had rougher surface compared with other samples. XRD measurement indicated that the crystallite size also increased with average crystallite size around 18 nm with cubic phase had been found. The dielectric permittivity value were measured with frequency range of 1 Hz to 1 MHz. It is showed that the dielectric value decreased as the freqeuncy was applied to the samples. The performance of the patch antenna showed that the antenna resonated at 3.30 GHz and give -13.87 dB with frequency range about 2 - 4 GHz.

Original languageEnglish
Pages (from-to)141-150
Number of pages10
JournalJournal of Nano Research
Volume28
DOIs
Publication statusPublished - 6 Jul 2014

Fingerprint

patch antennas
Diffractometers
Crystallite size
Microstrip antennas
diffractometers
Atomic force microscopy
frequency ranges
atomic force microscopy
X rays
Thin films
thin films
Chemical analysis
image analysis
Image analysis
Sol-gel process
Structural properties
surface roughness
x rays
Permittivity
antennas

Keywords

  • Dielectric permittivity
  • Return Loss
  • Roughness
  • Sol-Gel Method

ASJC Scopus subject areas

  • Materials Science(all)
  • Physics and Astronomy(all)

Cite this

Performance effect of ZnAl2O4 - SiO2 thin film for wireless patch antenna application. / Zulfakar, Mohd Syafiq; Abdullah, Huda; Islam, Mohammad Tariqul; Wan Jalal, Wan Nasarudin; Zainuddin, Zalita; Shaari, Sahbudin.

In: Journal of Nano Research, Vol. 28, 06.07.2014, p. 141-150.

Research output: Contribution to journalArticle

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AU - Islam, Mohammad Tariqul

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AU - Zainuddin, Zalita

AU - Shaari, Sahbudin

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AB - Polycrystalline of (1-x)ZnAl2O4 - xSiO2 compound with compositions of x = 0.00, 0.05, 0.10, 0.15, 0.20 and 0.25 have been prepared using sol-gel method. Structural properties was investigated by atomic force microscopy (AFM) and x-ray diffractometer (XRD). The AFM images analysis showed that the surface roughness of the highest composition had rougher surface compared with other samples. XRD measurement indicated that the crystallite size also increased with average crystallite size around 18 nm with cubic phase had been found. The dielectric permittivity value were measured with frequency range of 1 Hz to 1 MHz. It is showed that the dielectric value decreased as the freqeuncy was applied to the samples. The performance of the patch antenna showed that the antenna resonated at 3.30 GHz and give -13.87 dB with frequency range about 2 - 4 GHz.

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