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MAKNA SIMBOL PADA RUMAH ADAT ETNIK BATAK TOBA (RUMA BOLON) DI KABUPATEN SAMOSIR Naibaho, Marzuki; ", Yasir
Jurnal Online Mahasiswa (JOM) Bidang Ilmu Sosial dan Ilmu Politik Vol. 6: Edisi II Juli - Desember 2019
Publisher : Fakultas Ilmu Sosial dan Ilmu Politik Universitas Riau

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Abstract

Ruma Bolon is a traditional house of Batak Toba that is full of symbols and meanings, used by Batak Toba ethnic community as a guideline for life, ideals and hope. In Batak Toba ethnic houses (Ruma Bolon) There are aspects of symbols that have certain meanings represented by the form of houses, materials used to make houses, the arrangement of space on the house (cosmology), and ornaments carved art Batak Toba Ethnic House (Gorga). This research aims to determine the meaning of symbols in Batak Toba ethnic house, as well as to know the shift or change in the traditional house of Batak Toba ethnic in Samosir Regency  This research uses qualitative research methods with a symbolic interaction approach. This research informant is a figure of ethnic Batak Toba culture, indigenous people, the caretaker of Batak Toba ethnic house in Samosir Regency, and the community that occupies the traditional house as a home of residence chosen by the technique of Purposive. The data collection techniques undertaken are through observation, interviews, and documentation. The data analysis technique used is the interactive analysis model by Miles and Huberman.            The results of this study showed that the meaning of symbols in Batak Toba ethnic house in Samosir Regency can be seen through the form of the house, the material used to make the house, the arrangement of space on the house, and ornaments art carving (Gorga) at the traditional Batak ethnic house Toba. The shift in Batak Toba ethnic house in Samosir Regency can be seen from two aspects, namely the physical aspect of the building and the social aspect of tradition or ceremony in building a house, shifting to the physical aspects of the house include shifting to the form of Traditional Batak Toba ethnic house becomes modern, Ruma Epper, a shift in the material used in Batak Toba ethnic houses from traditional to modern, as well as a shift in carved art ornaments (Gorga) from carving into relief . The shift from the social aspect is a shift in tradition or ceremony in the construction of the Batak Toba ethnic House (Ruma Bolon) in Samosir Regency which previously existed a variety of traditional traditions or ceremonies used to build houses, but At this time, the traditional traditions or ceremonies are no longer found. Keywords: Meaning of symbol, Symbolic Interaction Ruma Bolon, Batak Toba
Analysis of Structure, Morphology, Magnetic Properties, and Microwave Absorption of Lanthanum Orthoferrite (LaFeO3) Naibaho, Marzuki; Widakdo, Januar; Kurniawan, Budhy; Nehan, Phahul Zhemas Zul; Vitayaya, Okvarahireka; Novita; Ramlan; Adi, Wisnu Ari; Ginting, Masno
Science and Technology Indonesia Vol. 9 No. 4 (2024): October
Publisher : Research Center of Inorganic Materials and Coordination Complexes, FMIPA Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26554/sti.2024.9.4.851-856

Abstract

LaFeO3 has been prepared using the solid-state reaction method with High Energy Milling (HEM). The preparation of LaFeO3 was carried out using stoichiometric calculations. Based on the XRD measurement results, single-phase LaFeO3 with an orthorhombic crystal structure was obtained. From the SEM results, the morphology of LaFeO3 is uniform, and the EDS results show the weight percentage of La, Fe, and O elements are 49.74, 21.08, and 29.18 wt%, respectively. VSM LaFeO3 results show magnetic saturation, remanence, and coercivity are 0.24 emu/g, 0.02 emu/g, and 853.38 Oe, respectively, and the absorption of LaFeO3 is -7.40 dB at a frequency of 6.02 GHz with a LaFeO3 sample thickness of 1.5mm.
Fe2O3 Review: Nanostructure, Synthesis Methods, and Applications Novita, Novita; Ramlan, Ramlan; Naibaho, Marzuki; Ginting, Masno; Humaidi, Syahrul; Duma, Tulus Na
International Journal of Social Service and Research Vol. 4 No. 02 (2024): International Journal of Social Service and Research (IJSSR)
Publisher : Ridwan Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46799/ijssr.v4i02.728

Abstract

Iron sand, which contains magnetite iron ore, exhibits unique magnetic properties when exposed to magnetic fields. Iron ore content, including ?-Fe2O3, FeTiO3, Magnetite (Fe3O4), and others, provides potential uses in various industries such as electronics, energy, chemical, ferrofluids, catalysts, and biomedicine. The location of the discovery of iron sand can affect its mineral characteristics and geological conditions. This research aims to develop innovative synthesis methods to produce hematite nanomaterials from iron sand. Nano-size hematite nanoparticles exhibit unique characteristics, including an increase in specific surface area that is beneficial in applications such as gas sensors, catalysts, lithium-ion batteries, and the manufacture of permanent magnets. Through a literature review, this article presents comprehensive insights into the characteristics of iron sand, variations in synthesis methods, and the structure of hematite nanoparticles. Applications of hematite nanoparticles in water treatment, catalysis, and energy storage are also detailed. This article is expected to contribute to the development of innovative nanomaterial technologies as well as explore the potential of iron sand resources for wider industrial applications.
Effect of Barium Hexaferrite Doped Yttrium (Y3+) On The Microwave Absorption By Solid-State Reaction Methods Sihotang, Muhammad Sontang; Angelo, Marc Antonio; Naibaho, Marzuki; Maulidita, Maulidita; Ichsan, Novita; Ginting, Masno
Journal of Technomaterial Physics Vol. 7 No. 1 (2025): Journal of Technomaterial Physics
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jotp.v7i1.19265

Abstract

Yttrium-substituted M-type barium hexaferrite was successfully synthesized using the solid-state reaction method. X-ray diffraction (XRD) confirms that all various samples have a single phase (for x = 0,0 and 0,1), have increased trend for crystal size (from 56,99 to 59,34 nm), cell volume (from 697,9161 to 701,2375 Å), and lattice parameter (a = 5,8948 to 5.9024 and c = 23,1918 to 23,2422) caused by ion substitution increased. SEM-EDX figure shows that the particle shape of yttrium-doped barium hexaferrite is hexagonal, and there is a growth in particle size as the amount of doping increases from 1.050 to 1.202 µm, and also the amount of Y3+ ion doping increases, the number of Fe atoms decreases, and the number of Y atoms increases. The materials were characterized using a Vector Network Analyzer (VNA), which shows a minimum reflection loss of x = 0.1 reaching -7,34 dB in the X-band for a thickness of 1.5 mm, better sample variation when compared to other sample variations.
Pembuatan Karbon Serat Sabut Kelapa dan Pengujian Konduktivitas Listriknya Naibaho, Marzuki; Fauzi, Nanang; Puspita, Endah; Bama, Akhmad Aminuddin; Ramlan, Ramlan; Indayaningsih, Nanik
Jurnal Penelitian Sains Vol 24, No 2 (2022)
Publisher : Faculty of Mathtmatics and Natural Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (515.177 KB) | DOI: 10.56064/jps.v24i2.690

Abstract

Telah dibuat karbon serat serabut kelapa dengan menggunakan metode pirolisi menggunakan suhu 900oC and 1300oC . Serat sabut kelapa di karbonisasi dengan suhu 500oC selama 1 jam dengan suasana inert gas N2. Selanjutnya karbon yang dibuat kemudian direndam dalam larutan KOH 25% selama 24 jam di suhu ruang, lalu dilakukan pengeringan. Pada tahap berikutnya, karbon dipirolisis dalam suasana inert gas, dengan kecepatan kenaikan suhu 5oC/menit sampai pada suhu 900 oC, ditahan selama waktu 2 jam. Perendaman kedua dilakukan dengan menggunakan HCl 2 M selama 24 jam, tiap 30 menit diaduk dengan magnetic stirer, kemudian karbon tersebut dicuci dengan menggunakan aquades sampai mendekati pH netral, lalu ditiriskan dan dikeringkan di dalam oven dengan suhu 60oC. Selanjutnya dilakukan pengujian  konduktivitas listrik.
Sintesis dan Karakterisasi Pasir Besi Sungai Musi Sumatera Selatan Menggunakan Metode Kopresipitasi Puspita, Endah; Melinia, Luh Ayu; Naibaho, Marzuki; Ramlan, Ramlan; Ginting, Masno
Jurnal Penelitian Sains Vol 24, No 3 (2022)
Publisher : Faculty of Mathtmatics and Natural Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56064/jps.v24i3.717

Abstract

Telah dilakukan sintesis dan karakterisasi pada pasir besi yang berasal dari Sungai Musi - Sumatera Selatan menggunakan metode kopresipitasi. Penelitian ini dilakukan untuk mengetahui pembentukan fasa, struktur kristal, kandungan mineral magnetik dan sifat kemagnetan yang terdapat pada pasir besi. Karakterisasi yang digunakan pada penelitian ini adalah X-Ray Difrraction (XRD), Scanning Electron Microscope-Energy Dispersive X-Ray (SEM-EDX) dan Vibrating Sample Magnetometer (VSM). Berdasarkan hasil XRD menunjukkan pasir besi yang telah disintesis menghasilkan struktur amorf dengan fasa yang terbentuk yakni Enstatite – Ferrosilite (MgSiO3 - FeSiO3 atau (Mg, Fe) SiO3). Hasil SEM-EDX menunjukkan partikel-partikel mengalami aglomerasi dan membentuk agregat dengan ukuran rata-rata partikel sebesar 12,495 μm serta masih terdapat kandungan pengotor (gangue) yang menempel pada bijih besi (Fe) seperti Na, Mg, Al, Si, Ca, V, Cr dan Ti serta terdapat penambahan unsur seperti V dan Cr yang berasal dari proses milling yang mengalami abrasi. Hasil VSM menunjukkan bahwa sampel pasir besi merupakan soft magnet dan bersifat anti-ferromagnetik dengan nilai saturasi (Ms), remanensi (Mr) dan koersivitas (Hc) masing-masing sebesar 0,53 emu/g, 0,04 emu/g dan 376,63 Oe.
Analisa Pasir Besi Alam dari Sungai Musi Sumatera Selatan Melinia, Luh Ayu; Puspita, Endah; Naibaho, Marzuki; Ramlan, Ramlan; Ginting, Masno
Jurnal Penelitian Sains Vol 24, No 3 (2022)
Publisher : Faculty of Mathtmatics and Natural Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56064/jps.v24i3.716

Abstract

Telah dilakukan penelitian mengenai sifat magnetik dan kandungan pasir besi yang berasal dari Sungai Musi-Sumatera Selatan, Indonesia. Sampel pasir besi diekstraksi menggunakan magnet permanen, kemudian dipreparasi dengan metode milling. Selanjutnya sampel dikarakterisasi menggunakan Scanning Electron Microscopy dengan Energy Dispersive X-ray (SEM-EDX) dan Vibrating Sampel Magnetometer (VSM). Berdasarkan hasil  dari uji SEM-EDX menunjukkan bahwa partikel pasir besi dari sungai musi teraglomerasi dengan ukuran rata-rata ± 0.5 m serta terdapat kandungan pengotor (gangue) antara lain Si, Ti, Mg, Al dan Mn sehingga sampel pasir besi bersifat ferromagnetik dan termasuk kategori semi-hard-magnet dengan nilai saturasi (Ms), remanensi (Mr) dan koersivitas (Hc) masing-masing sebesar 46,61 emu/g,  8,72 emu/g dan 322,09 0e.
MORPHOLOGYCAL, ELEMENTAL CONTENT, AND PHYSICAL PROPERTIES OF CLEANED CLINOPTITOLITE ZEOLITE (10X) USING SONICATION AND MICROWAVE Puspita, Endah; Naibaho, Marzuki; Ramlan, Ramlan; Ginting, Masno
Indonesian Physical Review Vol. 6 No. 1 (2023)
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/ipr.v6i1.204

Abstract

This research was conducted to determine the morphology, elemental content and physical properties of the zeolite samples before and after cleaning. The characterization used in this study is the Scanning Electron Microscope-Energy Dispersive X-Ray (SEM-EDX). Based on the results of SEM-EDX, it was shown that the 200 mesh zeolite sample and the zeolite that passed the filter had a non-spherical particle shape and no visible pores on the surface, while the microwave zeolite sample had an aggregate shape and visible pores on the particle surface which were very clear. In addition, in the 200 mesh zeolite sample, filtered zeolite and microwave zeolite each had an Al content percentage of 1.64%, 3.18 and 3.80% and a Si content of 7.58%, 15.15% and 18 .38%.
REVIEW OF ADSORPTION OF HEAVY METALS BY ADSORBENT MnFe2O4 – ZEOLITE IN WATER Melinia, Luh Ayu; Naibaho, Marzuki; Puspita, Endah; Ramlan, Ramlan; Ginting, Masno
Indonesian Physical Review Vol. 6 No. 2 (2023)
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/ipr.v6i2.215

Abstract

The existence of quality water on earth is essential for life and the consumption of existing living things. The problem of water pollution is a matter of great concern in world researchers' management of water resources. Heavy metals have a toxic effect on humans and the environment. This paper reviews the characteristics and methods of synthesis of MnFe2O4 and zeolite materials as adsorbents for removing heavy metal ions in water with critical properties such as surface area, magnetic properties, and adsorption capacity. We have collected data regarding the appropriate method for synthesizing MnFe2O4 and zeolite nano adsorbents. We have accumulated much data on the properties of MnFe2O4 and zeolite materials and the optimum adsorption capacity for heavy metal ions. Experimental factors such as pH, temperature, adsorption capacity, and ionic strength affecting metal ion removal have also been explored.
EFFECT OF SILICON RUBBER (SIR) IN FABRICATION OF NdFeB/BaFe12O19-BASED HYBRID MAGNET Ramlan, Ramlan; Soerya, Balada; Fachredzy, Amdy; Naibaho, Marzuki; Ginting, Masno
Indonesian Physical Review Vol. 7 No. 1 (2024)
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/ipr.v7i1.258

Abstract

The purpose of this study was to determine the effect of physical properties (density), magnetic properties (magnetic flux), and mechanical properties (tensile strength) of NdFeB- BaFe12O19 hybrid magnets with silicon rubber adhesive. NdFeB - BaFe12O19 permanent magnet has been made with a silicon rubber (SIR) adhesive mixture. The percentage variations of magnetic powder materials used are NdFeB: BaFe12O19 (95%: 5%) and NdFeB: BaFe12O19 (90%: 10%) mixed with a weight percentage of silicone rubber with variations of 20%, 40%, 60% and 80%. Characterization includes physical properties in the form of density where the sample with 20% SIR variation has the largest bulk density value of 3.28 g/cm3 for NdFeB: BaFe12O19 (95%: 5%) and 3.24 g/cm3 for NdFeB: BaFe12O19 (90%: 10%), and mechanical properties in the form of tensile strength where the most optimum elasticity value is at 80% silicone rubber. Meanwhile, the most optimum magnetic properties of materials are owned by material samples with variations of SIR at a concentration of 20% for sample variations of 95% NdFeB and 5% BaFe12O19, which is 602.8 Gauss.