Artikel dari Penerbit "Departement of Physics, Faculty of Mathematics and Natural Sciences, University of Lampung"

Penerbit: Departement of Physics, Faculty of Mathematics and Natural Sciences, University of Lampung

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Ditemukan 130 artikel.

Hybrid DFT-ML-MD Approach for Derivation of Lennard-Jones Interatomic Potential Parameters of Al

Oleh: Arkundato, Artoto, Widiasih, Ratnadewi, Anak Agung Istri Ratnadewi

Atomistic simulation based on computational physics of methods is used to develop accurate interatomic potentials based on DFT (density functional theory) data. The accuracy of predicting the physical properties of a material is highly dependent on the quality of the interatomic potential used. The ...

Sumber: Journal of Energy, Material, and Instrumentation Technology; Vol. 6 No. 2 (2025): Journal of Energy, Material, and Instrumentation Technology; 97-107

Analysis of Aluminium Alloy 6061 Material Coating with the Addition of Malonic Acid Additive in the Plasma Electrolytic Oxidation Method to Improve Corrosion Resistance Properties

Oleh: Lubis, Muhammad Ihsan, Mutmainnah, Kamil, Muhammad Prisla

Aluminum alloy 6061 is extensively used in structural and engineering applications due to its favorable strength-to-weight ratio, good mechanical properties, and inherent corrosion resistance. However, it remains vulnerable to localized corrosion, especially in chloride-rich environments. This study...

Sumber: Journal of Energy, Material, and Instrumentation Technology; Vol. 6 No. 3 (2025): Journal of Energy, Material, and Instrumentation Technology; 124-134

Effect of Layer Deposition and Thermal Treatment on the Structural, Optical, and Electrical Characteristics of Spin-Coated CaTiO3 Thin Films

Oleh: Yusron, Darojat, Mustafida, Aulia, Abdul, Rajak

This study investigates the effect of coating repetition and annealing temperature on the structural, optical, and electrical characteristics of calcium titanate (CaTiO3) thin films synthesized via a sol-gel spin coating method. The number of coatings (2, 4, 6, and 8 layers) and annealing temperatur...

Sumber: Journal of Energy, Material, and Instrumentation Technology; Vol. 6 No. 3 (2025): Journal of Energy, Material, and Instrumentation Technology; 135-142

Development of a Portable Low-Cost Multispectral Sensor Integrated with IoT and Machine Learning for Classifying Honey Types

Oleh: Muhammad, Riki, Isroni, wisesa, Tri Pujian

Accurate honey type authentication is a significant challenge for small-scale producers, as conventional methods are often costly and impractical. This study aims to design and develop a low-cost honey classification prototype by integrating the AS7265X multispectral sensor with Internet of Things (...

Sumber: Journal of Energy, Material, and Instrumentation Technology; Vol. 6 No. 3 (2025): Journal of Energy, Material, and Instrumentation Technology; 143-153

Sustainable Lithium Battery Development in Indonesia: The Role of Natural Materials and Recycling Processes in Future Challenges

Oleh: Latif, Chaironi, Yogianto, Mohammad Fahmi Ilmi , Hafidz, Isa

The development of sustainable lithium-ion batteries is essential to meet the global demand for efficient, high-capacity, and environmentally friendly energy storage systems. This study reviews recent advancements in lithium battery technologies in Indonesia, emphasizing the utilization and performa...

Sumber: Journal of Energy, Material, and Instrumentation Technology; Vol. 6 No. 3 (2025): Journal of Energy, Material, and Instrumentation Technology; 154-165

Enhancing BLDC Motor Performance with Wheel-Hub Design by Modify Coil Configurations

Oleh: Putranto, Rifki Dwi , Hafidz, Isa , Kholima, Henko

This paper presents an analysis of the design method of a BLDC (Brushless DC) motor with a wheel-hub structure. This study examines how variations in winding configuration affect motor performance. A 650W wheel-hub BLDC motor will be tested by modifying its stator design, including variations in the...

Sumber: Journal of Energy, Material, and Instrumentation Technology; Vol. 6 No. 3 (2025): Journal of Energy, Material, and Instrumentation Technology; 166-173

Analysis of Utilization of Alumina and Carbon Concentrations in Salt Bridges in Electrochemical Cells Zn|Zn2+(Aq)||Ag+(Aq)|Cu(Ag) with Electrolyte Seawater and Zinc Acid as Alternative Energy Sources

Oleh: Shavira, Mayang, Pauzi, Gurum Ahmad, Suciyati, Sri Wahyu

This study was conducted to analyze the comparison of variations in the salt bridge in a two-compartment voltaic cell with a Cu(Ag)-Zn electrode on the resulting electrical characteristics. The Cu(Ag)-Zn pair is used to generate voltage and current in the cell with seawater electrolyte and zinc acid...

Sumber: Journal of Energy, Material, and Instrumentation Technology; Vol. 7 No. 1 (2026): Journal of Energy, Material, and Instrumentation Technology; 1-6

The Effect of Biaxial Strain on The Thermoelectric Properties of 2D SiBi

Oleh: Anshory, Muhammad, Y. Hanna, Muhammad

This study investigates the electronic and thermoelectric properties of two-dimensional silicon bismuth (2D SiBi) using first-principles Density Functional Theory (DFT) calculations. The 2D SiBi monolayer is identified as a semiconductor with an indirect band gap of 0.67 eV. Solving the Boltzmann tr...

Sumber: Journal of Energy, Material, and Instrumentation Technology; Vol. 6 No. 4 (2025): Journal of Energy, Material, and Instrumentation Technology; 220-229

Enhancement of Corrosion Resistance and Electromagnetic Wave Absorption in Aluminium 6061 through Plasma Electrolytic Oxidation Coating with Ethylenediaminetetracetic Acid

Oleh: Jessica Valenthine Lantang, Nur Asriyani, Mutmainnah

Aluminium 6061 is well known for its good tensile strength and high corrosion resistance due to the natural protective oxide layer formed on its surface. However, the phenomenon of corrosion can still occur, particularly in aggressive environments, leading to material degradation. To further enhance...

Sumber: Journal of Energy, Material, and Instrumentation Technology; Vol. 6 No. 4 (2025): Journal of Energy, Material, and Instrumentation Technology; 190-197

Improvement of TiO2 Performance with 10% Cu–TiO2/BiVO4 Heterojunction Composite Using Sonication in Photoelectrochemical Water Splitting

Oleh: Bunga Nurkhalifah, Vera Pangni Fahriani, Sarah Dampang

The global energy crisis, driven by the depletion of fossil fuels, has accelerated the search for renewable energy solutions, including hydrogen production via solar-driven photoelectrochemical (PEC) systems. A major limitation of PEC is the UV-only activity of semiconductors such as TiO2. This stud...

Sumber: Journal of Energy, Material, and Instrumentation Technology; Vol. 6 No. 4 (2025): Journal of Energy, Material, and Instrumentation Technology; 209-219

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