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All Journal Phi : Jurnal Pendidikan Fisika dan Terapan Jurnal Fisika Unand JOURNAL ONLINE OF PHYSICS Jurnal Sains & Teknologi Lingkungan Jurnal Rekayasa Material, Manufaktur & Energi JOURNAL OF SCIENCE AND SOCIAL RESEARCH Pascal: Journal of Physics and Science Learning Jurnal Fisika dan Terapannya Navigation Physics : Journal of Physics Education Jurnal Energi Baru dan Terbarukan CHEDS: Journal of Chemistry, Education, and Science Phydagogic : Jurnal Fisika dan Pembelajarannya JIFP (Jurnal Ilmu Fisika dan Pembelajarannya) Jurnal Riset Rumpun Matematika dan Ilmu Pengetahuan Alam (JURRIMIPA) EINSTEIN (E-JOURNAL) INPAFI (Inovasi Pembelajaran Fisika) Al-Zayn: Jurnal Ilmu Sosial & Hukum Jurnal Manajemen dan Pendidikan Agama Islam Moral : Jurnal Kajian Pendidikan Islam
Miftahul Husnah
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Religion Aerospace Engineering Humanities Astronomy Biochemistry, Genetics & Molecular Biology Chemistry Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Social Sciences Other

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Perkembangan Material Barium Heksaferrit Doping Lantanum sebagai Penyerap Gelombang Elektromagnetik: Tinjauan Literatur Intan Septia Sari Lubis; Miftahul Husnah
JURNAL RISET RUMPUN MATEMATIKA DAN ILMU PENGETAHUAN ALAM Vol. 4 No. 3 (2025): Desember : JURRIMIPA: Jurnal Riset Rumpun Matematika dan Ilmu Pengetahuan Alam
Publisher : Lembaga Pengembangan Kinerja Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jurrimipa.v4i3.8289

Abstract

The development of lanthanum-doped barium hexaferrite materials has attracted considerable attention in the field of functional materials, particularly as electromagnetic wave absorbers. This literature review aims to analyze advances in synthesis methods, structural characteristics, magnetic properties, and electromagnetic absorption performance of lanthanum-doped barium hexaferrite reported in various studies. Synthesis techniques such as sol–gel, coprecipitation, solid-state reaction, and hydrothermal methods are compared to evaluate their effects on crystallite size, morphology, and phase purity. Lanthanum doping is known to modify lattice parameters, reduce coercivity, and enhance complex permittivity and permeability, which play crucial roles in absorption mechanisms. Furthermore, variations in dopant concentration significantly influence reflection loss values and effective absorption bandwidth. The reviewed literature indicates that optimization of composition and synthesis routes can produce materials with high absorption capability, good stability, and strong potential for application in electromagnetic interference mitigation devices. This review is expected to serve as a conceptual reference for future development of lanthanum-doped barium hexaferrite–based electromagnetic wave absorbing materials. The comparative approach also highlights research challenges, industrial application opportunities, and future research directions relevant to the evolving demands of modern communication and defense technologies at both national and global levels.
Karakterisasi Pasir Besi (Fe3O4) Sungai Seruai Kabupaten Deli Serdang Yusuf Lubis, Ridwan; Maharani Rangkuti, Dea; Lubis, Haryati; Masthura; Husnah, Miftahul
Jurnal Ilmu Fisika dan Pembelajarannya (JIFP) Vol 7 No 2 (2023): Jurnal Ilmu Fisika dan Pembelajarannya (JIFP)
Publisher : Program Studi Pendidikan Fisika, UIN Raden Fatah Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19109/jifp.v7i2.19858

Abstract

In this research, iron sand was obtained from the Sei Serayu river in Deli Serdang Regency. The method for extracting iron sand is by manual extraction using a permanent magnet. The samples that have been obtained are then given temperature treatment with variations of 500 o C, 600 o C and 700 o C so that the iron sand undergoes oxidation. Next, the samples that have been heat treated are characterized using XRD, SEM and XRF. From the XRD test results it was found that the sample consisted of Fe3O4 with a magnetite phase. XRD diffraction peaks were obtained at angles 2θ: 17.26 o, 29.98 o, 35.4 o, 43.16 o, 57.08 o, and 62.56 o. SEM test results show that sample D contains magnetite (Fe3O4) with a silver color. Based on the analysis of test results, it can be concluded that the most optimal results are found in sample D with a sintering temperature of 700o C.
The Effect of Grammage on Bulk in A-Grade Printing Paper Based on Taro Skin and Oil Palm Fronds Putri Nadila; Ety Jumiati; Miftahul Husnah
EINSTEIN (e-Journal) Vol. 14 No. 1 (2026): EINSTEIN (e-Journal)
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/hgh4na76

Abstract

The use of wood as the main raw material for paper production causes environmental problems such as deforestation. This study aims to analyze the physical characteristics of paper made from taro skin and oil palm fronds through the parameters of grammage and bulk. Grammage and bulk are important parameters in determining the quality of printing paper A according to SNI 7274:2008. The composition variations used were samples A (60%:40%), B (40%:60%), and C (20%:80%). The results show that the lowest grammage value is 79 g/m2 in the 20%:80% variation and the highest grammage value is 90 g/m2 in the 60%:40% variation. For bulk testing, the lowest value was 1.11 cm3/g in the 20%:80% variation and the highest bulk value was 1.46 cm3/g in the 60%:40% variation. All samples met the SNI 7274:2008 standard for A-grade printing paper, with a grammage limit of 50-100 g/m2 and a maximum bulk of 1.5 cm3/g. Increasing the proportion of oil palm fronds reduced the grammage but increased the bulk. This study proves the potential of taro skin and oil palm fronds as raw materials for environmentally friendly paper.
Co-Authors ., Masthura Abdul Halim Daulay Afliza, Isti Ananda, Putri Dwi Annisa Aulia Pratiwi Arnydhinata, Ella Aruan, Ririn sagita Berliyani Dhona Azahliya Br Lubis, Lailatul Husna Br Situmorang, Dinda Agelia Chafiz Husin Sembiring Enjum Jumhana Ety Jumiati Fadhilah, Elsa Fazira, Era Fazira, Natasya Aulia Hafiza, Nurul Hayat, Lisa Fadhilah Inggit Ayu Lestari Insani, Rizki Intan Lestari Intan Septia Sari Lubis Lailatul Husna Lubis Lubis, Haryati Lubis, Niswatun Nadra Maharani Rangkuti, Dea Masthura Masthura, Masthura Masthura, Masthura Mawar, Mawarni Milanesti, Zefanya Mislaini Mislaini Misra Nasution, Annisa Salsha Safira Niken Ayu Nurlisa, Siti Ong, Russell Panggabean, Dwi Utami Pasaribu, Adella Ayu Putri Putri Nadila Ramadhani, Devi Rezky Ramadhani, Shati Suci Ratelit Tarigan Ratni Sirait Ratni Sirait, Ratni Reni Nurjannah Ridwan Yusuf Lubis Safina, Nurul Saputri, Rani Sari, Sindi Puspita Sari, sinta widya selvia, niki Siagian, Fhamela Jousroh Natama Silalahi, Ali Affan Silalahi, Homsiah Mayang Sari Sinta Juliarti Sucitawati, Nopita Tiara, Finky Manda Titi Winda Sari Umairoh, Ninda