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 (130)
Mechanical Homogenization of Biochar Porous Structures Using Two-Dimensional RVE: A Study of Finite Element Methods on the Relationship of Actual Porosity and Effective Elastic Modulus
Luthfiantoro, Naufal Nabiha, Fikri, Ahmad Atif
This study analyzes the mechanical response of porous biochar using a 2D FEM–RVE homogenization approach to investigate the effect of mesh-based actual porosity and microstructural arrangement on stiffness and stress concentration. Three types of RVEs (regular, shifted, and random) were simulated ...
Journal of Energy, Material, and Instrumentation Technology; Vol. 7 No. 1 (2026): Journal of Energy, Material, and Instrumentation Technology; 54-64 | 2026
Monte Carlo Simulation of Dose Distribution in Prostate Cancer of Boron Neutron Capture Therapy (BNCT) Using PHITS v.3.35
Basyaruddin, Muhammad Nashrun, Pratiwi, Raditya Faradina , Sardjono, Yohannes
Prostate cancer is the fifth leading cause of cancer death in men worldwide. With its ability to selectively kill tumor cells, Boron Neutron Capture Therapy (BNCT) has reemerged as a promising radiation therapy option for treating prostate cancer. This therapy is known for delivering high doses dire...
Journal of Energy, Material, and Instrumentation Technology; Vol. 7 No. 1 (2026): Journal of Energy, Material, and Instrumentation Technology; 43-53 | 2026
Fabrication and Characterization of a Novel Bentonite-Zeolite Ceramic Membrane for Low-Energy Membrane Bioreactor (MBR) Applications
Mayasari, Rizka, Djana, Miftahul , Utari, Ririn
The development of durable, low-cost, and energy-efficient membranes is a critical challenge in advancing Membrane Bioreactor (MBR) technology. This study details the fabrication, characterization, and performance of a novel tubular ceramic membrane derived from abundant, inexpensive local minerals:...
Journal of Energy, Material, and Instrumentation Technology; Vol. 7 No. 1 (2026): Journal of Energy, Material, and Instrumentation Technology; 36-42 | 2026
Biopolymer Gel from Pineapple Peel (Ananas comosus) Waste-Based Gel with Sodium Chloride (NaCl) for Optimizing Electrocardiogram (ECG) Signal Recording
Mahardianti, Meita, Septha Kharisma, Salsabila, Wati, Rosita
Pineapple peel (Ananas comosus) as organic waste has potential as a raw material for biomedical gel in electrocardiogram (ECG) recording. ECG gel functions as a conductive medium facilitating electrical transmission between skin and electrodes to improve cardiac signal accuracy. This study developed...
Journal of Energy, Material, and Instrumentation Technology; Vol. 7 No. 1 (2026): Journal of Energy, Material, and Instrumentation Technology; 26-35 | 2026
Synthesis of ZnO/Ag Nanocomposites with Variatons of Zinc Nitrate Hexahydrate as an Antibacterial Agent against Escherichia coli
Maulita, Zeiiffa Alifia, Manurung, Posman, Suprihatin
The synthesis of ZnO/Ag nanocomposites was carried out using different concentrations of Zn(NO3)2.6H2O precursors (0.04 M, 0.06 M, 0.08 M, and 0.1 M) by wet chemical precipitation. This study aimed to characterize the structure, morphology, and antibacterial activity of ZnO/Ag nanocomposites against...
Journal of Energy, Material, and Instrumentation Technology; Vol. 7 No. 1 (2026): Journal of Energy, Material, and Instrumentation Technology; 17-25 | 2026
Carbonated Hydroxyapatite (CHAp)/PCL/Gelatin Scaffold Synthesized from Wrinkled Purple Snail Shell Waste for Bone Regeneration
Salsabilla, Fadilah, Wati, Rosita, Herbanu, Aldi
Traffic accidents are a major cause of bone fractures in Indonesia, highlighting the urgent need for effective biomaterials in bone regeneration. This study synthesized carbonated hydroxyapatite (CHAp) from wrinkled purple sea snail shells (Nucella lamellosa) using a precipitation method and sinteri...
Journal of Energy, Material, and Instrumentation Technology; Vol. 7 No. 1 (2026): Journal of Energy, Material, and Instrumentation Technology; 7-16 | 2026
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
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...
Journal of Energy, Material, and Instrumentation Technology; Vol. 7 No. 1 (2026): Journal of Energy, Material, and Instrumentation Technology; 1-6 | 2026
Analysis of Electrical Potential in a Thermoelectric Generator Utilizing Cooking Stove Waste Heat
Pauzi, Gurum Ahmad, Aprilia Habibah, Ali Akbar Raksa Gandi
The need for sustainable alternative energy sources has driven increasing interest in waste heat utilization, particularly from domestic and commercial activities such as cooking stoves. This study analyzes the potential for electrical energy generation from waste heat produced by commercial restaur...
Journal of Energy, Material, and Instrumentation Technology; Vol. 6 No. 4 (2025): Journal of Energy, Material, and Instrumentation Technology; 230-235 | 2025
Exponential-Offset Modelling and XRD Correlation of SOH Degradation in LiFePO4 Batteries under Extreme Loading
Latif, Chaironi, Maulana, Tubagus Adam Jody, Yogianto, Mohammad Fahmi Ilmi
Understanding the relationship between electrochemical degradation and structural changes is critical for improving the reliability of lithium-ion batteries. In this study, the state of health (SOH) of 18650-type lithium iron phosphate (LiFePO4, LFP) cells was evaluated under extreme loading using d...
Journal of Energy, Material, and Instrumentation Technology; Vol. 6 No. 4 (2025): Journal of Energy, Material, and Instrumentation Technology; 174-181 | 2025
Fabrication of Bioceramic Carbonated Hydroxyapatite–Chitosan Composite Scaffold Derived from River Snail Shells via Freeze-Drying for Bone Grafting Applications
Wati, Rosita, Alnovera, Vayza Deva, Herbanu, Aldi
The prevalence of bone fractures in Indonesia has increased by up to 8.5%, making cost-effective biomaterial alternatives for bone grafting applications necessary. This study aims to synthesize a hydroxyapatite carbonate (CHAp) composite scaffold from river snail shells (Semisulcospira libertina) an...
Journal of Energy, Material, and Instrumentation Technology; Vol. 6 No. 4 (2025): Journal of Energy, Material, and Instrumentation Technology; 198-208 | 2025