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Al-Fiziya: Journal of Materials Science, Geophysics, Instrumentation and Theoretical Physics
Published by Universitas Islam Negeri Syarif Hidayatullah Jakarta
ISSN : 26210215     EISSN : 2621489X     DOI : -
Core Subject : Science, Engineering,
Earth & Planetary Sciences Electrical & Electronics Engineering Energy Materials Science & Nanotechnology Physics
Al-Fiziya: Journal of Materials Science, Geophysics, Instrumentation and Theoretical Physics is a journal of physics that published by Departement of Physics, Faculty of Science and Technology UIN Syarif Hidayatullah Jakarta. The aim of the journal is to disseminate the researches done by researchers both from Indonesian and overseas. This journal focused on physics field including Materials Sciences, Geophysics, Instrumentation Physics, and Theoretical Physics. AL-FIZIYA is also dedicated to preserving the transmission of knowledge of science. The journal welcomes contributions from scholars around the world in the physics field, both in English and Bahasa.
Arjuna Subject : -
Articles 141 Documents
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Application of the Acoustic Impedance (AI) Seismic Inversion and Multi-Attribute Method for Reservoir Characterization in Bonaparte Basin Maurin Puspitasari; Ambran Hartono; Egie Wijaksono; Tati Zera
Al-Fiziya: Journal of Materials Science, Geophysics, Instrumentation and Theoretical Physics Al-Fiziya: Journal of Materials Science, Geophysics, Instrumentation and Theoretical Physics | Vol.4
Publisher : Physics Study Programme, Faculty of Science and Technology UIN Syarif Hidayatullah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15408/fiziya.v4i1.19788

Abstract

Research on the application of the acoustic impedance (AI) seismic inversion and multi-attribute method was conducted with the aim to characterize the reservoir in the Bonaparte Basin. The modeling which used in the acoustic impedance inversion seismic method is model-based. Meanwhile, the multi-attribute seismic method used log porosity that appliying the linear regression method and using the stepwise regression technique. Based on the result of the sensitivity analysis and analysis using the seismic inversion acoustic impedance method, the sandstone reservoir zone that has the prospect of hydrocarbons containing gas is located in the Northeast-Southwest part of the study area which in WCB-1, WCB-3 and WCB-4 well with the acoustic impedance values are in the range of 4,800 - 13,000 (m / s) * (g / cc), and the porosity values generated from the analysis using the multi-attribute seismic method are in the range of 5 - 16% in WCB-1 and WCB-4, 2 - 10% on WCB-3.
SINTESIS DAN KARAKTERISASI Li4Ti5O12 YANG DILAPISI KARBON DENGAN METODE SOLID STATE REACTION UNTUK ANODA ION LITHIUM Lediliocza Lediliocza; Sitti Ahmiatri Saptari; Slamet priyono
Al-Fiziya: Journal of Materials Science, Geophysics, Instrumentation and Theoretical Physics Al-Fiziya: Journal of Materials Science, Geophysics, Instrumentation and Theoretical Physics | Vol.3
Publisher : Physics Study Programme, Faculty of Science and Technology UIN Syarif Hidayatullah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15408/fiziya.v3i2.17271

Abstract

Telah dilakukan sintesis material anoda Li4Ti5O12 dilapisi karbon melalui metode solid state, dengan bahan baku LiOH H2O dan TiO2. sintesis dilakukan dengan variasi sumber karbon yaitu Super. P, Tapioka, dan karbon aktif Food grade. Prekursor Li4Ti5O12 disinter pada suhu 800o C selama 4 jam pada atmosfer udara bebas. Sedangkan proses pelapisan karbon dilakukan dengan milling basah dan sinter pada suhu 600o C selama 1 jam pada atmosfer N2. Karakterisasi yang dilakukan meliputi analisa untuk melihat perbedaan performa elektrokimia pada variasi sumber karbon yang digunakan, diantaranya analisa XRD (X-ray Diffraction) untuk mengetahui pembentukan fasa Li4Ti5O12, FESEM ( Field Emission Scanning Electron Microscopy) untuk menganalisa morfologi yang terbentuk, dan untuk mengetahui performa elektrokimia dilakukan pengujian Cyclic voltammetry, charge-discharge dan Electrochemical Impedance Spectroscopy (EIS). Hasil karaktrisasi terbentuk fasa Lithium titanium oxide (Li4Ti5O12) sebesar 96,1% dan fasa rutile (TiO2) sebesar 3,1%. Hasil karakterisasi FE-SEM menunjukan morfologi penyebaran karbon pada anoda Li4Ti5O12/C dengan sumber karbon Super P, paling homogen dbandingkan dengan anoda Li4Ti5O12/C dengan sumber karbon Tapioka kemudian anoda Li4Ti5O12/C dengan sumber karbon food grade. Performa elektrokimia yang dihasilkan Li4Ti5O12/C dengan sumber karbon Tapioka memiliki nilai konduktivitas elektronik dan konduktivitas ionik paling besar, dan menunjukan difusi ion lithium yang sangat kecil, namun memiliki nilai koefesien difusi 2,54 × 10−13 cm-2 s-1 mendekati besar koefesien difusi Li4Ti5O12/C (Sp) sebesar 2,61 × 10−13 cm-2 s1, serta memiliki nilai kapasitas discharge 161.05 mAh/g, mendekati nilai kapasitas discharge Li4Ti5O12/C (Sp) sebesar 167.84 mAh/g. 
Analysis of Superhydrophobic-Superoleophilic Properties on Modification of Polyurethane Sponge for Selective Oil-Water Separation Niken Aprilia Eka Putri; Arif Tjahjono; Perdamean Sebayang
Al-Fiziya: Journal of Materials Science, Geophysics, Instrumentation and Theoretical Physics Al-Fiziya: Journal of Materials Science, Geophysics, Instrumentation and Theoretical Physics | Vol.4
Publisher : Physics Study Programme, Faculty of Science and Technology UIN Syarif Hidayatullah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15408/fiziya.v4i1.19697

Abstract

In this research, a modification of polyurethane (PU) sponge material has been made to obtain superhydrophobic-superoleophilic properties. The PU sponge was coated with several nanomaterials such as ZnO, Fe3O4+TEOS, and stearic acid by dip-coating and drop-coating methods. The tests include selective separation of oil and water with a magnetic response. Several types of oil and organic solvents were tested for absorption capacity. The results showed that the PU@ZnO@Fe3O4@SA sponge has a good absorption capacity, from 4.37 mL to 7.37 mL. The fabricated PU sponge could selectively separate oil from water with a separation efficiency above 99%. The fabricated PU sponge also could be magnetically driven by external magnetic fields. From the characterization using 3D OM, the water contact angle was 153.38°, which indicates that the PU@ZnO@Fe3O4@SA sponge is superhydrophobic. And from surface morphology obtained an average pore size diameter of 167.475 μm.
Alat Pengukur Saturasi Oksigen Dalam Darah Menggunakan Metode Photoplethysmograph Reflectance Candra Rizki Nugroho; Elvan Yuniarti; Ambran Hartono
Al-Fiziya: Journal of Materials Science, Geophysics, Instrumentation and Theoretical Physics Al-Fiziya: Journal of Materials Science, Geophysics, Instrumentation and Theoretical Physics | Vol.3
Publisher : Physics Study Programme, Faculty of Science and Technology UIN Syarif Hidayatullah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15408/fiziya.v3i2.17721

Abstract

Abstrak. Kekurangan oksigen pada tubuh dapat menyebabkan tubuh merasa mudah lelah, letih dan mengantuk, ini dikarenakan oksigen berperan sebagai salah satu sumber energi bagi tubuh selain nutrisi. Salah satu alat yang dapat mendiagnosa tubuh seseorang kekurangan oksigen adalah oximeter. Penelitian ini bertujuan untuk merancang bangun hardware serta software alat ukur saturasi oksigen menggunakan metode PPG reflectance menggunakan arduino Nano dan sensor MAX30100, menentukan karakteristik, membandingkan hasil pengukuran dengan alat pengukur saturasi oksigen yang menggunakan metode transmittance. Hasilnya telah berhasil merancang dan membangun alat pengukur saturasi oksigen (SpO2) dengan menggunakan sensor MAX30100 dan arduino Nano yang dapat dimonitoring pada HP menggunakan bluetooth HC-05 dengan jangkauan kurang dari 140 m pada ruang terbuka dengan tanpa halangan, waktu respon 5 detik, memiliki ketelitian pengukuran rata-rata di atas 96 % serta keakuratan sebesar 95,2%.
Ohmic and Diamagnetic Currents Contribution on the Electromagnetic Penetration Depth of a Conducting Surface Adam Badra Cahaya
Al-Fiziya: Journal of Materials Science, Geophysics, Instrumentation and Theoretical Physics Al-Fiziya: Journal of Materials Science, Geophysics, Instrumentation and Theoretical Physics | Vol.4
Publisher : Physics Study Programme, Faculty of Science and Technology UIN Syarif Hidayatullah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15408/fiziya.v4i1.19790

Abstract

Due to its conducting electron, metal is a good reflector for electromagnetic wave. An electromagnetic wave penetrating a metallic surface has a finite penetrating depth. There are two limit that are well studied in the physics textbooks. They are high frequency electromagnetic wave penetrating a metal with small conductivity and a static (low frequency) field penetrating a superconductor (metal with infinitely large conductivity). In this article we study the intermediate regime between these two limits. By setting the electric current density as the total sum of both Ohmic and Diamagnetic currents, we derive the penetration depth in the intermediate regime., we show the transition between these two limits.
Analisis Fasa, Struktur Kristal dan Sifat Kemagnetan Material Komposit Berbasis Nd0,6Sr0,4MnO3 / Fe2O3 Mujadid Al-Rabi; Arif Tjahjono; sitti Ahmiatri Saptari
Al-Fiziya: Journal of Materials Science, Geophysics, Instrumentation and Theoretical Physics Al-Fiziya: Journal of Materials Science, Geophysics, Instrumentation and Theoretical Physics | Vol.3
Publisher : Physics Study Programme, Faculty of Science and Technology UIN Syarif Hidayatullah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15408/fiziya.v3i2.17638

Abstract

Pada penelitian ini dipelajari rekayasa struktur material komposit berbasis neodymium manganit, yang dimulai dengan mensintesis material Nd0,6Sr0,4MnO3 (NSMO) dengan menggunakan metode sol-gel, lalu dilanjutkan dengan sintesis material komposit (Nd0,6Sr0,4MnO3)1-x/(Fe2O3)x (x= 0; 0,3; 0,5 dan 0,7). Sampel dikarakterisasi dengan menggunakan XRD (X-Ray Diffraction) menunjukkan bahwa sampel NSMO memiliki struktur kristal orthorombik dengan space group P n m a, pengkompositan dengan Fe2O3 tidak menyebabkan perubahan struktur tetapi muncul fasa lain yang ditandai dengan adanya puncak difraksi milik Fe2O3. Karakterisasi FESEM (Field Emission Scanning Electron Microscope) menunjukkan persebaran butir yang merata dengan ukuran butir rata-rata 0.186 μm. Karakterisasi VSM (Vibrating Sample Magnetometer) pada temperatur ruang (298 K) dengan medan magnet 5 T, menunjukkan material komposit NSMO / Fe2O3 bersifat paramagnetik dan nilai magnetisasi serta susceptibilitas sampel semakin menurun seiring dengan penambahan konsentrasi Fe2O3.
DETERMINATION OF MINING ZONING ANDESITE, SIRTU AND TRAS MATERIALS IN PURBALINGGA DISTRICT CENTRAL JAVA Ariyanto Ariyanto; Ahmad Fauzan Haryono; Dimas Chaidir Adinugroho
Al-Fiziya: Journal of Materials Science, Geophysics, Instrumentation and Theoretical Physics Al-Fiziya: Journal of Materials Science, Geophysics, Instrumentation and Theoretical Physics | Vol.3
Publisher : Physics Study Programme, Faculty of Science and Technology UIN Syarif Hidayatullah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15408/fiziya.v3i2.17934

Abstract

Purbalingga Regency has quite a large amount of Andesite, Sirtu and Tras Digging Materials. So a research was carried out in Purbalingga Regency to assist the Ministry of Energy and Mineral Resources (ESDM) in Determining the Mining Permit Zoning. This research was conducted only in 5 districts, namely Karangrejo District, Bojongsari District, Bobotsari District, Mrebet District and Kutasari District.The potential of Andesite Excavation Material with 2,159,081,136BCM resources spread across Karangrejo District, Bojongsari District, Bobotsari District, Mrebet District, and Kutasari District. Sirtu with 14,859,100BCM resources scattered in Karangrejo District, Bobotsari District, Bojongsari District and Mrebet District. Meanwhile, Tras with 15,510,500BCM resources which are only scattered in Karangrejo District.The determination to get the permit is closely related to the 11 parameters that have been shown in map form. Each of these parameters has a rating, weight, and value and a ming process is carried out in order to determine whether the area is suitable for permits, eligible for conditional permits, and not worthy of permits. Scores 10-19.5 are directed to be granted permission, scores 20-29.5 are directed to be eligible for conditional permission, while  ≥ 30 are directed to be not granted permission.The potential that is directed to be eligible for a permit is andesite 1,038,841,000BCM, Sirtu 6,861,400BCM and tras 9,280,500BCM, the potential that is directed to be eligible for conditional permits is andesite 67,520,000, sirtu 4,675,000BCM and tras 1,180,000BCM, while the potential that is directed is not feasible The permits are andesite 1,052,720.0BCM, sirtu 3,226,700BCM and tras 5,050,000BCM.
ANALYSIS OF MOISTURE CONTENT, CALORIFIC VALUE AND BURNING RATE OF CORNCOB AND KAPOK RANDU (Ceiba pentranda) SKIN BRIQUETTE Anshori Huroeroh; Sheilla Rully Anggita; Hamdan Hadi Kusuma
Al-Fiziya: Journal of Materials Science, Geophysics, Instrumentation and Theoretical Physics Al-Fiziya: Journal of Materials Science, Geophysics, Instrumentation and Theoretical Physics | Vol.4
Publisher : Physics Study Programme, Faculty of Science and Technology UIN Syarif Hidayatullah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15408/fiziya.v4i1.19745

Abstract

Bio charcoal Briquette is a product made from biomass with a carbonization process and compressed with a certain shape. This study aims to examine the calorific value and burning rate of corncob and kapok randu (Ceiba Pentranda) randu (Ceiba pentranda) skin briquettes with variations in the composition of ingredients. The briquette were produced in 5 stages: First, the main material for cobs and kapok randu (Ceiba Pentranda) randu skin is dried in the sun for 3 days so that the weight of the ingredients is reduced by 20%. Second, the carbonization of the main material with a temperature of 400˚C for 60 minutes with a furnace and then materials that has been crushed is sieved with a sieve 50 mesh. Third, compressed briquettes with corncob composition and kapok randu (Ceiba Pentranda) skin in the following ratios of A (100%: 0%), B (75%: 25%), C (50%: 50%), D (25%: 75 %), E (0%: 100%) with 10% w/w tapioca starch as binder. Fourth, the dry the briquette under the sun for 3 days (20 hours) and roasted with a temperature of 100˚C for 60 minutes. Fifth, after dried, the samples were then characterized their moisture content, calorific value, and burning rate. The results show that the highest moisture content value in sample E is 3.3303% and the lowest moisture content in sample B (2.4587%). The highest calorific values are sample E which is 6195.05 Cal / grams. While the lowest calorific value was found in sample D (25% corn cobs and 75% kapok randu (Ceiba Pentranda) skin), which was 3803.96 Cal / grams. The lowest burning rate was found in sample E (100% kapok randu (Ceiba Pentranda) skin) with a value was 0.0448 grams / minute. While the highest burning rate was found in sample D (25% corn cobs and 75% kapok randu (Ceiba Pentranda) skin) with the value was 0.0622 grams/minute.
Identifikasi Objek Bawah Permukaan Untuk Fondasi Jalan Tol di Jakarta Menggunakan Metode Ground Penetrating Radar (GPR) Pada Segmen Area Y Tika Devi Widayanti; Sutrisno Sutrisno; Titi Anggono
Al-Fiziya: Journal of Materials Science, Geophysics, Instrumentation and Theoretical Physics Al-Fiziya: Journal of Materials Science, Geophysics, Instrumentation and Theoretical Physics | Vol.3
Publisher : Physics Study Programme, Faculty of Science and Technology UIN Syarif Hidayatullah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15408/fiziya.v3i2.17764

Abstract

Penelitian ini dilakukan di Jakarta dengan tujuan untuk mendeteksi keberadaan utilitas di bawah permukaan tanah sebelum dilakukan pembangunan fondasi jalan tol. Saat ini Jakarta sedang melakukan pembangunan infrastruktur jalan tol. Untuk itu perlu diketahui apakah ada utilitas di bawah permukaan tanah yang dapat mengganggu pembangunan fondasi jalan tol. Penelitian ini dilakukan dengan menggunakan metode Ground Penetrating Radar (GPR). Terdapat 32 lintasan yang datanya telah diolah menggunakan software reflexw 2008. Dari hasil pengolahan dan interpretasi adanya material pasir kering dengan kecepatan gelombang 0,140 m/ns pada kedalaman ~1-2m. Jenis anomali dari radargram menggambarkan lempengan berbentuk kotak dan hiperbola yang menunjukkan utilitas berbentuk silinder. Dari lintasan 1 – 32 terdapat 115 utilitas yang bisa mengganggu pembangunan fondasi jalan tol. Lintasan 5 merupakan lintasan yang paling banyak adanya utilitas terdeteksi sebanyak 6, sedangkan lintasan 10, 23 dan 28 memiliki utilitas terdeteksi paling sedikit sebanyak 2, untuk lintasan 18 dan 19 memiliki 5 utilitas terdeteksi, kemudian lintasan 2, 3, 7, 8, 11, 12, 16, 20, 22, 25, 26, 27, 29, 30, 31 terdapat 4 utilitas terdeteksi, dan lintasan 1, 4, 6, 9, 13, 14, 15, 17, 21, 24, 32 terdapat 3 utilitas terdeteksi. Dari utilitas yang terdeteksi itu perlu dilakukan konfirmasi dengan Lembaga yang mempunyai utilitas tersebut.  
Simultaneous Seismic Inversion for Reservoir Characterization at Poseidon Field, Browse Basin, Australia Suleman Mauritz Sihotang; Ida Herawati
Al-Fiziya: Journal of Materials Science, Geophysics, Instrumentation and Theoretical Physics Al-Fiziya: Journal of Materials Science, Geophysics, Instrumentation and Theoretical Physics | Vol.4
Publisher : Physics Study Programme, Faculty of Science and Technology UIN Syarif Hidayatullah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15408/fiziya.v4i1.19782

Abstract

Seismic inversion method has been widely used to obtain reservoir property in an oil and gas field. In this research, one of inversion methods known as simultaneous inversion is used to analyze reservoir characterization at Poseidon Field, Browse Basin. Simultaneous inversion is applied to partial angle stack data and result in volume of Acoustic Impedance (AI), Shear Impedance (SI) and Lame parameter (LMR). The objective of this study is to determine distribution of sandstone lithology with gas saturated in Plover reservoir formation. Sensitivity analysis is done by cross-plotting elastic and Lame parameter from five well log data and analyzing lithology type and fluid saturation. Based on those cross-plots, lithological type can be identified from AI, λρ, µρ and λ/µ parameters. Meanwhile, the presence of gas can be discriminated using SI, λρ, and λ/µ parameters. Gas-saturated sandstone presence is characterized by Lambda-Rho value less than 50 GPa g cc-1 and Lambda over Mu value less than 0.8 GPa g cc-1. Maps of each parameter are generated at reservoir interval. Based on those maps, it can be concluded that gas sand spread out in the eastern and western areas of research area.

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