Vol. 17 No. 2 (2025): September 2025

Research Article

• Developing Surface Rainfall Data Based on Blending of Satellite-Based Products and Rain Gauge Observations in the Ngawi Region, East Java

  Joko Budi Utomo (Agency for Meteorology Climatology and Geophysics (BMKG), 10610, Jakarta, Indonesia)
  Eko Yuli Handoko (Department of Geomatics Engineering, Institut Teknologi Sepuluh Nopember, 60111, Surabaya, Indonesia)
  Muhammad Aldila Syariz (Department of Geomatics Engineering, Institut Teknologi Sepuluh Nopember, 60111, Surabaya, , Indonesia)
  Ardhasena Sopaheluwakan (Agency for Meteorology Climatology and Geophysics (BMKG), 10610, Jakarta, Indonesia)

  110-124

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  DOI : 10.25077/jif.17.2.110-124.2025

  Abstract View : 823

  pdf downloads: 933

• A Kinetics Model of Amyloid-Beta (Aβ) in Alzheimer’s Disease Using Euler and Fourth-order Runge-Kutta Methods

  Cindyawati Cindyawati (Departement of Physics, Faculty of Sciences, Parahyangan Catholic University, Jalan Ciumbuleuit no. 94, Gedung 9, Bandung 40141, Indonesia)
  Faozan Ahmad (Departement of Physics, Faculty of Mathematical and Natural Sciences, IPB University (Bogor Agricultural University), Jalan Meranti, Building Wing S, 2nd Floor, Kampus IPB Dramaga, Bogor 16680, Indonesia)
  Hendradi Hardhienata (Departement of Physics, Faculty of Mathematical and Natural Sciences, IPB University (Bogor Agricultural University), Jalan Meranti, Building Wing S, 2nd Floor, Kampus IPB Dramaga, Bogor 16680, Indonesia)
  Agus Kartono (Departement of Physics, Faculty of Mathematical and Natural Sciences, IPB University (Bogor Agricultural University), Jalan Meranti, Building Wing S, 2nd Floor, Kampus IPB Dramaga, Bogor 16680, , Indonesia)

  125-134

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  DOI : 10.25077/jif.17.2.125-134.2025

  Abstract View : 565

  pdf downloads: 459

• Binder Influence on Barium Hexaferrite: Comparative Analysis of PVA and Silicone Rubber in Sintered Magnets

  Wahyu Solafide Sipahutar (The Department of Materials Engineering, Institut Teknologi Sumatera, Lampung Selatan, 35365, Indonesia)
  Gustya Salma Putrie (The Department of Materials Engineering, Institut Teknologi Sumatera, Lampung Selatan, 35365, Indonesia)
  Faiza Armalia Putri (The Department of Materials Engineering, Institut Teknologi Sumatera, Lampung Selatan, 35365, Indonesia)
  Abi Farhan (The Department of Materials Engineering, Institut Teknologi Sumatera, Lampung Selatan, 35365, Indonesia)
  Muhamad Hafid (The Department of Materials Engineering, Institut Teknologi Sumatera, Lampung Selatan, 35365, Indonesia)

  135-145

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  DOI : 10.25077/jif.17.2.135-145.2025

  Abstract View : 551

  pdf downloads: 483

• Effect of Cesium Iodide (CsI) Concentration Variation on the Performance of MethylAmmonium Lead Iodide (MAPbI₃)-based Perovskite Solar Cells

  Shakahuddin Zaki (Department of Physics, Faculty of Mathematics and Natural Sciences, Universitas Andalas, Padang, 25173, Indonesia)
  Dahyunir Dahlan (Department of Physics, Faculty of Mathematics and Natural Sciences, Universitas Andalas, Padang, 25173, Indonesia)
  Siti Naqiyah Sadiqin (Institute of Microengineering and Nanoelectronics, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor, Malaysia)
  Akrajas Ali Umar (Institute of Microengineering and Nanoelectronics, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor, Malaysia)

  146-156

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  DOI : 10.25077/jif.17.2.146-156.2025

  Abstract View : 569

  pdf downloads: 515

• Structural Evolution and Ionic Conductivity of Al2O3-Doped LLZO via Single Heat Treatment

  Endah Yuniarti (Department of Aeronautical Engineering, Air Chief Marshal Suryadarma Aerospace University, Jalan Protokol Halim Perdana Kusuma Komplek Bandara Halim Perdana Kusuma, Jakarta 13610, Indonesia)
  Slamet Priyono (Department of Aeronautical Engineering, Air Chief Marshal Suryadarma Aerospace University, Jalan Protokol Halim Perdana Kusuma Komplek Bandara Halim Perdana Kusuma, Jakarta 13610, Indonesia)
  Simon Sindhu H (Department of Aeronautical Engineering, Air Chief Marshal Suryadarma Aerospace University, Jalan Protokol Halim Perdana Kusuma Komplek Bandara Halim Perdana Kusuma, Jakarta 13610, Indonesia)
  Jan Setiawan (Research Center of Advanced Material, National Research and Innovation Agency (BRIN), PUSPIPTEK Serpong 15314, Tangerang - Banten, Indonesia)
  Kusdi Prijono (3Advanced Chemical and Advanced Physics Imaging Laboratory - Directorate of Laboratory Management, Research Facilities and Science and Technology, National Research and Innovation Agency (BRIN), PUSPIPTEK Serpong 15314, Tangerang - Banten, Indonesia)
  Brity Femlee R (Department of Aeronautical Engineering, Air Chief Marshal Suryadarma Aerospace University, Jalan Protokol Halim Perdana Kusuma Komplek Bandara Halim Perdana Kusuma, Jakarta 13610, Indonesia)

  157-170

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  DOI : 10.25077/jif.17.2.157-170.2025

  Abstract View : 892

  pdf downloads: 985

• Evaluation of Shear Wave Velocity Using Microtremor Data at Rammang-Rammang Maros Karst Area TN Babul

  Sitti Hasaniyah (Graduate Program of Universitas Negeri Makassar, Jl. Bonto Langkasa, Makassar, 90222, Indonesia)
  Muhammad Arsyad (Department of Physics, Universitas Negeri Makassar, Makassar, 90221, Indonesia)
  Agus Susanto (Department of Physics, Universitas Negeri Makassar, Makassar, 90221, Indonesia)

  171-181

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  DOI : 10.25077/jif.17.2.171-181.2025

  Abstract View : 715

  pdf downloads: 628

• A Visualization of Ultrasonic Beam from a Medical Transducer using a Combination of Background-Oriented Schlieren Imaging with Hilbert Transformation

  Margi Sasono (Advanced Laboratory of Physics (AloP), Study Program of Physics, Faculty of Applied Sciences and Technology (FAST) Ahmad Dahlan University, Yogyakarta, 55166, Indonesia)
  Apik (Advanced Laboratory of Physics (AloP), Study Program of Physics, Faculty of Applied Sciences and Technology (FAST) Ahmad Dahlan University, Yogyakarta, 55166, Indonesia)

  182-192

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  DOI : 10.25077/jif.17.2.182-192.2025

  Abstract View : 536

  pdf downloads: 451

• Eco-Friendly Solar Refrigerator: Peltier Cooling, Remote Monitoring for Sustainable and Efficient Energy Consumption

  Nabilla Putri Puspita (Department of Physics, Faculty of Mathematics and Natural Sciences, Universitas Andalas, Padang, 25163, Indonesia)
  Meqorry Yusfi (Department of Physics, Faculty of Mathematics and Natural Sciences, Universitas Andalas, Padang, 25163, Indonesia)
  Rahmat Rasyid (Department of Physics, Faculty of Mathematics and Natural Sciences, Universitas Andalas, Padang, 25163, Indonesia)

  193-200

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  DOI : 10.25077/jif.17.2.193-200.2025

  Abstract View : 747

  pdf downloads: 687

• Threshold Value of Atmospheric Stability Indices During Thunderstorm Events at Minangkabau International Airport

  Ari Nuryadi (Department of Physics, Universitas Negeri Padang, Padang, 25163, Indonesia)
  Nofi Yendri Sudiar (Department of Physics, Universitas Negeri Padang, Padang, 25163, Indonesia)
  Hamdi Hamdi (Department of Physics, Universitas Negeri Padang, Padang, 25163, Indonesia)
  Harman Amir (Department of Physics, Universitas Negeri Padang, Padang, 25163, Indonesia)

  201-213

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  DOI : 10.25077/jif.17.2.201-213.2025

  Abstract View : 689

  pdf downloads: 790

• Analysis of Earthquake Risk Estimation for Sustainable Development Using Microtremor Data Based on Vs30 Distribution: Comparative Study of DFA and Geopsy in Central Bengkulu, Indonesia

  Arya Putra Anggi (Geophysics Study Program, University of Bengkulu, Bengkulu, 38225, Indonesia)
  Refrizon Refrizon (Geophysics Study Program, University of Bengkulu, Bengkulu, 38225, Indonesia)
  Budi Harlianto (Geophysics Study Program, University of Bengkulu, Bengkulu, 38225, Indonesia)
  Nurul Apriyanti (Geophysics Study Program, University of Bengkulu, Bengkulu, 38225, Indonesia)
  Winda Saputri (Geophysics Study Program, University of Bengkulu, Bengkulu, 38225, Indonesia)
  Gian Ori Febriansyah (Geophysics Study Program, University of Bengkulu, Bengkulu, 38225, Indonesia)
  Andre Rahmat Al-Ansory (Geophysics Study Program, University of Bengkulu, Bengkulu, 38225, Indonesia)
  Hana Raihana (Geophysics Study Program, University of Bengkulu, Bengkulu, 38225, Indonesia)
  Adrian Daniel (Geophysics Study Program, University of Bengkulu, Bengkulu, 38225, Indonesia)
  Usman Gumanty (Geophysics Study Program, University of Bengkulu, Bengkulu, 38225, Indonesia)

  214-228

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  DOI : 10.25077/jif.17.2.214-228.2025

  Abstract View : 686

  pdf downloads: 694