CD Tesis

Pengembangan Media Sensor Hybrid Berbasis Lapisan Tipis Zno Dan Metamaterial Untuk Deteksi Konsentrasi Analit

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Metamaterials are artificial materials with unique characteristics (negative refractive index) and high resonance sensitivity. The use of metamaterials as an advanced technological breakthrough has a very high and broad potential because the material and its structure can be updated. Pure metamaterial structures such as a split ring resonator (SRR) have been implemented to improve the performance of low profile microstrip antenna sensors with wide frequencies. However, pure metamaterials in its current application are still under the requirements of modern technology with high quality. This problem needs to be investigated to improvise metamaterials into superior materials. On the other hand, highly engineered metamaterials can realize great potential in their combination with zinc oxide (ZnO) semiconductor materials. ZnO material is a semiconductor material which in its characteristics has the potential to increase the efficiency of sensor technology compared to other conventional material models.
This study aims to nvestigate the optical properties and develop a hybrid sensor media invention based on the renewable SRR metamaterial structure integrated with a thin layer of ZnO. The application of this type of sensor is used to detect changes in the spectrum of the analyte concentration sensor based on the conductivity values of several samples such as oil, distilled water, tap water, and salt water. The research methodology was carried out in two approaches. The first approach is a numerical simulation with the design and characterization of SRR metamaterials that are designed with variations in geometry, materials, unit cell configurations, and variations in thickness of ZnO thin films. Geometry characterization of the SRR metamaterial was carried out using the Nicolson-Ross-Weir (NRW) electromagnetic field function approach, specifically the optical parameters of permittivity, permeability, and refractive index. The second approach was carried out experimentally by fabricating ZnO thin films using DC magnetron sputtering based on the best characteristics of the metamaterial structure integration model. Then characterization of crystal structure, morphology, and absorption of the growth of ZnO thin films on quartz glass substrates was carried out from 30, 33, and 36 Watt plasma power. Furthermore, the thickness of the best layer was determined using the Swanepoel method as a parameter for designing hybrid sensor media for the detection of analyte concentrations in the form of oil, distilled water, tap water, and salt water. Optimization of the performance of hybrid sensor components based on metamaterials and ZnO thin films with a GHz scale electromagnetic field function approach, especially in the reflection, transmission and absorption spectra.
Analysis of the characteristics of the metamaterial identified the optical properties of permittivity, permeability, and increased and optimal negative refractive index of the integration model of the 200 nm thick ZnO thin layer on the SRR metamaterial structure with a 3x3 square pattern configuration at a resonant frequency of 1.889 GHz. The realization of the ZnO thin film was identified as having polycrystalline wurtzite properties with fields (100), (002),

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Ketersediaan

Informasi Detail

Judul Seri

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No. Panggil

2010247522

Penerbit

Pekanbaru : Universitas Riau – Pascasarjana – Tesis Fisika., 2023

Deskripsi Fisik

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Bahasa

Indonesia

ISBN/ISSN

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Klasifikasi

2010247522

Tipe Isi

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Tipe Media

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Tipe Pembawa

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Edisi

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Subjek

FISIKA

Info Detail Spesifik

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Pernyataan Tanggungjawab

FATAH

Versi lain/terkait

Lampiran Berkas

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