Penerbit: Department of Physics, Faculty of Mathematics and Natural Science, University of Lampung
P-ISSN: 2747-2043
E-ISSN: 2747-299X
DOI: 10.23960/jemit
Fakultas Matematika dan Ilmu Pengetahuan Alam Fisika dan Astronomi Arsitektur
Artikel (116)
Enhancing BLDC Motor Performance with Wheel-Hub Design by Modify Coil Configurations
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...
Journal of Energy, Material, and Instrumentation Technology; Vol. 6 No. 3 (2025): Journal of Energy, Material, and Instrumentation Technology; 166-173 | 2025
Sustainable Lithium Battery Development in Indonesia: The Role of Natural Materials and Recycling Processes in Future Challenges
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...
Journal of Energy, Material, and Instrumentation Technology; Vol. 6 No. 3 (2025): Journal of Energy, Material, and Instrumentation Technology; 154-165 | 2025
Development of a Portable Low-Cost Multispectral Sensor Integrated with IoT and Machine Learning for Classifying Honey Types
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 (...
Journal of Energy, Material, and Instrumentation Technology; Vol. 6 No. 3 (2025): Journal of Energy, Material, and Instrumentation Technology; 143-153 | 2025
Effect of Layer Deposition and Thermal Treatment on the Structural, Optical, and Electrical Characteristics of Spin-Coated CaTiO3 Thin Films
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...
Journal of Energy, Material, and Instrumentation Technology; Vol. 6 No. 3 (2025): Journal of Energy, Material, and Instrumentation Technology; 135-142 | 2025
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
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...
Journal of Energy, Material, and Instrumentation Technology; Vol. 6 No. 3 (2025): Journal of Energy, Material, and Instrumentation Technology; 124-134 | 2025
The Effect of NaOH on the Synthesis of Nano ZnO Using Red Betel Leaves (Piper crocatum) by Green Synthesis Method
Nurcahayaniati, Hikmah, Manurung, Posman, Suciyati, Sri Wahyu
ZnO has been produced using a green synthesis method. This research aims to determine the effect of  NaOH variations on ZnO nanoparticles obtained using red betel leaf extract. The variation of  NaOH used is 0,2; 0,4; 0,6;  the characterization carried out was Fourier Transformation Infra Red (FT...
Journal of Energy, Material, and Instrumentation Technology; Vol. 6 No. 3 (2025): Journal of Energy, Material, and Instrumentation Technology; 117-123 | 2025
Design and Development of a Measuring Instrument for Cholesterol Level Detection in The Blood Using Non-Invasive Techniques Based on the Wemos D1 R1 Microcontroller
Yuniar, Noeris, Supriyanto, Amir, Ayu, Humairoh Ratu
Cholesterol level checks are generally performed either invasively or using a portable blood test strip. It requires a long laboratory analysis time and causes pain in the body, so a non-invasive tool is needed to check cholesterol levels. The study aims to detect cholesterol levels in the blood wit...
Journal of Energy, Material, and Instrumentation Technology; Vol. 6 No. 3 (2025): Journal of Energy, Material, and Instrumentation Technology; 108-116 | 2025
Hybrid DFT-ML-MD Approach for Derivation of Lennard-Jones Interatomic Potential Parameters of Al
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 ...
Journal of Energy, Material, and Instrumentation Technology; Vol. 6 No. 2 (2025): Journal of Energy, Material, and Instrumentation Technology; 97-107 | 2025
Electrical Design and Characterization of Plant Microbial Fuel Cell (PMFC) Using Water Hyacinth Plants with Variation of The Amount of Water and The Effect of Sunlight
pubiyanti, Intan, Suciyati, Sri Wahyu, Apriyanto, Donni Kis
Research on Plant Microbial Fuel Cells (PMFCs) has begun to develop, and various types of plants have been used. This research has realized PMFC using hyacinth plants by diversifying the amount of water and the effects of sunlight. The electrical properties of PMFCs aim to determine the effect of va...
Journal of Energy, Material, and Instrumentation Technology; Vol. 6 No. 2 (2025): Journal of Energy, Material, and Instrumentation Technology; 48-53 | 2025
Effect of Corona Plasma Radiation on the Contact Angle and Wettability of Bamboo Surface
Alfajrin, Achmad Chalid Afif, Muhlisin, Zaenul , Komariah, Rahma Nur
Bamboo is a widely utilized non-timber forest product, often innovated into laminated boards, particle boards, and plywood. The outer bamboo surface (skin) possesses high compressive strength but exhibits hydrophobic properties, limiting its wettability toward liquids. Plasma corona technology, oper...
Journal of Energy, Material, and Instrumentation Technology; Vol. 6 No. 2 (2025): Journal of Energy, Material, and Instrumentation Technology; 71-79 | 2025