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Fresh Water Exploration in Gunung Tunak, Lombok Island, Using Wenner Electrodes Configuration Muhammad Zuhdi; Syamsuddin Syamsuddin; Bakti Sukrisna; Teguh Ardianto; Agus Wahid Habiburrohman
Journal of Science and Science Education Vol. 4 No. 1 (2023): April
Publisher : Pascasarjana, Mataram University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jossed.v4i1.2075

Abstract

Geoelectric is the most popular geophysical method for groundwater exploration. This method is based on measuring the electric current injected into the earth and measuring the potential generated at the surface. This research was carried out at Mount Tunak, on the island of Lombok, using the Wenner electrode configuration. The data is then processed using the Res2div software. The survey was conducted on two lines and obtained two parameters, namely the injection electric current measured at the current electrode and the potential generated at the surface measured through the potential electrode. The measurement results show the rock resistivity values between 0.053 to 194 Ohm-meters. The resistivity of the aquifer rock has a value of 1.67 to 4.25 Ohm-meter, which is a sandy claystone with an aquifer containing fresh water at the depth of about 20 meters below the surface. There is a presence of salty water below the fresh water with resistivity between 0.102-0.657 Ohm-m.
Effect of Doping for Barium M-Hexaferrite Material Composition on Microwave Absorption Effect (A Systematic Review) Susilawati; Teguh Ardianto; Aris Doyan; Nina Nisrina; Wan Yusmawati Binti Wan Yusoff; Jaswadi
Jurnal Penelitian Pendidikan IPA Vol 11 No 5 (2025): May
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v11i5.11276

Abstract

Research in the field of materials, especially the magnetic properties of materials, continues to increase. This is because Indonesia is one of the countries whose technological developments are developing very rapidly, where the amount of energy use is on a large scale, so that human needs for renewable energy sources must be met properly. This research aims to identify and analyze research trends of doping for barium m-hexaferrite material composition. This research method is descriptive and analytical. The data used in this research was obtained from documents indexed by Google Scholar from 2016-2025 using Publish or Perish and Dimension.ai. Research procedures use PRISMA guidelines. The data identified and analyzed are the type of publication, publication source, and the title of research doping for barium m-hexaferrite material composition that is widely cited. The data analysis method uses bibliometric analysis assisted by VOS viewer software. The results of the analysis show that research trend indexed by Google Scholar from 2016 to 2025 has experienced ups and down. There are many documents in the form of articles, chapters, preprints, monograph, proceeding and edited books that discuss research about doping for barium m-hexaferrite material composition. Key words that are often used in research about it are synthesis, characterization, permanent magnet, etc.