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Andi Syam Rizal
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jft_fisika@uin-alauddin.ac.id
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Jurusan Fisika Gedung Fakultas Sains dan Teknologi Lt. 2
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INDONESIA
Jurnal Fisika dan Terapannya
Published by Universitas Islam Negeri Alauddin Makassar
ISSN : 23021497     EISSN : 27152774     DOI : -
Core Subject : Science,
Physics
Jurnal Fisika dan Terapannya (JFT) adalah jurnal fisika yang diterbitkan oleh Jurusan Fisika, Fakultas Sains dan Teknologi, Universitas Islam Negeri Alauddin, Makassar. Jurnal ini diterbitkan dua kali setahun pada bulan Juni dan Desember. Jurnal ini mencakup artikel penelitian dalam semua aspek fisika dan terapannya. Jurnal ini pertama kali diterbitkan pada bulan Desember 2014 dan secara online di tahun 2019. Artikel hasil penelitian dalam jurnal ini berkaitan dengan fisika yang meliputi adalah fisika teori, fisika material, geofisika, fisika kesehatan, fisika instrumentasi, fisika komputasi, dan astrofisika.
Arjuna Subject : Fisika dan Astronomi - Fisika dan Astronomi (Lain-Lain)
Articles 194 Documents
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Sintesis Koloid Nanopartikel Bismut: Peran Citrus limon dan Optimasi Daya serta Waktu Pemanasan Gelombang Mikro Utami, Ni Wayan Mega Savira; Wahyuna Nur; Sukmawati Said
JFT : Jurnal Fisika dan Terapannya Vol 12 No 2 (2025)
Publisher : Universitas Islam Negeri Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/jft.v12i2.60550

Abstract

This study successfully synthesized bismuth nanoparticle colloids using citrus limon extract through a microwave heating method. Microwave heating was used as the main factor controlling the particle formation process, so variations in power and heating time were examined to determine their effect on the characteristics of the resulting nanoparticles. The synthesis was carried out by dissolving bismuth powder (Bi(NO₃)₃·5H₂O) into citrus limon extract. The mixture was then heated using microwaves at powers of 100, 300, 450, 600, and 800 W for 1, 3, 5, 7, and 10 minutes. Characterization was performed using UV-Vis, XRD, and TEM to observe the optical properties, crystal structure, and particle morphology and size. The results show that the optimum condition was achieved at 800 W for 5 minutes, marked by a change in the color of the solution to black and maximum absorbance at a wavelength of 272 nm (2,680 a.u.). XRD analysis showed diffraction peaks at 2θ = 27.4°; 38.1°; and 40.0°, corresponding to the hkl planes (012), (104), and (110), confirming the characteristic trigonal crystalline structure of bismuth based on JCPDS standard No. 44-1246. TEM images show a dominant spherical particle morphology with an average size of 33.19 nm. These results prove that microwave heating is capable of accelerating and stabilizing the synthesis of citrus limon extract-based bismuth nanoparticle colloids, producing stable nanoparticles with good morphology.
Identifikasi Air Tanah Di Daerah Sekitar Jalan Tunas Harapan Desa Pal IX Menggunakan Metode Vertical Electrical Sounding (VES) Danti, Namira; Zulfian, Zulfian; Perdhana, Radhitya
JFT : Jurnal Fisika dan Terapannya Vol 12 No 2 (2025)
Publisher : Universitas Islam Negeri Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/jft.v12i2.58560

Abstract

A hydrogeological investigation using the Vertical Electrical Sounding (VES) method was conducted in the vicinity of Jalan Tunas Harapan, Pal IX Village, to determine groundwater potential. The data acquisition involved four VES points with an inter-point spacing of 60 m-80 m. Inversion results yielded resistivity values ranging from 2.11 Ωm-203 Ωm, revealing subsurface lithology composed of clay, wet clay, sandy silt, and clayey sand layers. Groundwater potential was identified within the clayey sand layer (191 Ωm-203 Ωm), which is distributed across all four VES points. This layer is found at depths of 35.2 m-71.3 m in VES 01, 35.4 m-69.1 m in VES 02, 34.7 m-64.7 m in VES 03, and 33.3 m-67.1 m in VES 04.  These findings imply that the clayey sand layer functions as a viable aquifer zone capable of supporting groundwater availability. Based on the interpretation, groundwater drilling in the study area is recommended within the depth interval of 33.3 m-71.3 m.
Analisis Nilai Koefisien Absorpsi Bunyi Material Akustik Dari Kulit Kacang Tanah (Arachis Hypogaea) Sebagai Pengendali Kebisingan Menggunakan Metode Tabung Impedansi Imdani, Khesya Namira; Nurlaela Rauf
JFT : Jurnal Fisika dan Terapannya Vol 12 No 2 (2025)
Publisher : Universitas Islam Negeri Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/jft.v12i2.59154

Abstract

This research aims to analyze the effect of sample thickness on the sound absorption coefficient of a composite material based on peanut shells and epoxy resin using the impedance tube method. The composites were tested in three thickness variations, namely 1 cm, 2 cm, and 3 cm, to determine the effect of thickness on the material's ability to absorb sound waves in the frequency range of 200–1600 Hz. The test results indicate that an increase in material thickness is directly proportional to an increase in the sound absorption coefficient value. At a thickness of 1 cm, the maximum α value of 0.11 increased to 0.34 at a thickness of 2 cm and reached 0.78 at a thickness of 3 cm. The acoustic material showed the best performance at a frequency of 1600 Hz with a thickness of 3 cm. This indicates that peanut shells have the potential as an environmentally friendly acoustic material alternative.
Analisis Kestabilan Lereng Berdasarkan Data Sifat Fisik dan Mekanik pada Lereng Batuan di Jembatan Merah Punggawa D’Emba Kabupaten Gowa Arsdin, Dian Dwi Apriliyani; Syarifullah Bundang; Sumantri, Alifianty Delila Imani; Minarti; Putri, Nilam Sry
JFT : Jurnal Fisika dan Terapannya Vol 12 No 2 (2025)
Publisher : Universitas Islam Negeri Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/jft.v12i2.62912

Abstract

Slope stability analysis is essential to ensure human survival and serves as the basis for disaster mitigation and land-based spatial planning. One area with high landslide potential is the Jeneberang watershed, as evidenced by its frequent landslide history. The stability parameter of a slope is the Safety Factor (FK). The purpose of this study is to analyze the slope stability at the Punggawa D'Emba Red Bridge, Gowa Regency. The methods used in this study include analysis of the types of physical and mechanical properties of the rocks that make up the slope, analyzing the type of landslide using kinematic analysis and analysis of the Safety Factor value of Slide using Rocscience 6.0 Software. The results of this study indicate that if a landslide occurs, the type of landslide that occurs at the research location is a planar landslide type, a slope gradient of 52° and a Safety Factor value of 5.2. The slope at the study location shows a high slope Safety Factor value, this means that the slope is declared stable.

Page 20 of 20 | Total Record : 194

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