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Journal of Aceh Physics Society
Published by Universitas Syiah Kuala
ISSN : -     EISSN : 23558229     DOI : -
Core Subject : Science,
Physics
Focus of Journal of Aceh Physics Society (JAcPS) provides a forum for original paper works that enhances understanding of physics and their application. Scope of Journal of Aceh Physics Society (JAcPS) paper related to the development of new experimental methods, visualization techniques, material physics, optic, laser and instrumentation in physics is an important part of this journal. Experience gained and lessons learned in building test facilities and in measuring and reducing test data are important aspect of any experimental work. Authors are encouraged to report this experience and to summarize the original data. Archival review paper, short communication, invited papers, discussion of previously published papers, and book reviews are regular feature of the journal, in addition to full-length article.
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Articles 152 Documents
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Analysis of the size and composition of natural sand particles in the Rokan River Riau Province as a function of ball milling time Salomo Sinuraya; Erwin Amiruddin; Linda Wahyuni; Nita Jesika
Journal of Aceh Physics Society Volume 10, Number 3, July 2021
Publisher : PSI-Aceh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jacps.v10i3.18658

Abstract

Abstrak. Pasir alam merupakan bahan alam yang berada ditepi pantai, sungai, maupun perbukitan. Pasir alam merupakan batuan sedimentasi yang mengandung berbagai unsur partikel magnetik dan partikel non-magnetik. Penelitian pasir alam sungai dilakukan dengan metode ball milling guna menghaluskan ukuran partikel. Sifat magnetik yang diuji dalam penelitian ini adalah nilai suseptibilitas magnetik, variasi ukuran dan komposisi partikel ditentukan terhadap sampel pasir alam sungai Rokan dan konsentrat hasil ball milling 60 jam dan 100 jam. Nilai suseptibilitas magnetik yang didapatkan berkisar (968,245-19471,568) ´10-5. Hasil pengujian Scanning Electron Microscope menunjukkan bahwa ukuran partikel yang disintesis oleh ball milling selama 60 jam dan 100 jam diperoleh masing-masing sebesar 107 nm dan 96 nm. Hasil identifikasi X-Ray Fluorescence menunjukkan bahwa komposisi Fe meningkat dari 1,669 menjadi 35,187%, sedangkan komposisi Si mengalami penurunan dari 84,391 menjadi 41,079% setelah di ball milling selama 100 jam. Abstract. Natural sand is a natural material that is on the edge of a beach, river or hills. Natural sand is a sedimentation rock containing various elements of magnetic particles and non-magnetic particles. Research of natural sand of the river is carried out by ball milling method to smooth particle size. The magnetic properties tested in the study were the magnetic susceptibility, size and composition of natural samples of Rokan river sand and concentrate 2 milled for 60 h and 100 h using ball milling were determined natural Magnetic susceptibility values are in the range of (968.245-19471.568)´10-5. Scanning Electron Microscope result showed that the size of magnetic particle synthesized by ball milling for 60 h and 100 h are 107 nm and 96 nm, respectively. X-Ray Fluorescence identification results showed that the composition of Fe increased from 1.669 to 35.187%, while the composition of Si decreased from 84.391 to 41.079% after being ball milling for 100 h.Keywords: Natural sand of Rokan river, ball milling, magnetic susceptibility, SEM, XRF 
Preparation and characterization of ZnFe2O4 on the microstructures and magnetic properties Tua Raja Simbolon; Timbangan Sembiring; Muhammadin Hamid; David Arianto Hutajulu; Martha Rianna; Achmad Maulana Soehada Sebayang; Anggito P Tetuko; Eko Arief Setiadi; Masno Ginting; Perdamean Sebayang
Journal of Aceh Physics Society Volume 10, Number 2, April 2021
Publisher : PSI-Aceh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jacps.v10i2.18710

Abstract

Abstrak. Telah berhasil dilakukan sintesis ZnFe2O4 menggunakan metode sol-gel. ZnO dan serbuk Fe3O4 dicampur dan dipanaskan menggunakan hotplate pada suhu 60oC selama satu jam. Efek dari doping ZnO pada mikrostruktur, morfologi dan sifat magnet dikarakterisasi menggunakan XRD, SEM dan VSM. Hasil dari XRD dan SEM mengkonfirmasi bahwa struktur ZnFe2O4 spinel ferit menunjukkan kristal rata-rata 1 μm. Kemudian sifat kemagnetan ZnFe2O4 yang dikonfirmasi bersifat paramagnetik dengan kondisi optimum dari sifat kemagnetan tersebut tercantum sebagai berikut: Ms 0.4 emu×g-1, Mr 0.2 emu×g-1, dan Hc 230 Oe.Abstract. ZnFe2O4 have been synthesized using sol-gel method. ZnO, and Fe3O4 powder was mixing with hotplate for one hour in 60oC. Effect of ZnO doped on microstructure, morphology and magnetic properties were investigated using XRD, SEM and VSM. The result of XRD and SEM confirmed that the ZnFe2O4 structure of spinel ferrite has average crystal of 1 μm. The magnetic properties of ZnFe2O4 confirmed paramagnetic with the optimum condition of the magnetic properties are listed in the following: Ms 0.4 emu×g-1, Mr 0.2 emu×g-1, and Hc 230 Oe.Keywords: ZnFe2O4, Sol-gel method, Microstructures, Magnetic Properties.
Comparison of Accuracy Aerial Photography UAV (Unmanned Aerial Vehicle) and GNSS (Global Navigation Satelitte System) for Mapping of Lambarih Village, Aceh Besar, Aceh Marwan Marwan; Freddy Sapta Wirandha; Nizzamuddin Nizzamuddin; Febrian Fitryanik Susanta
Journal of Aceh Physics Society Volume 9, Number 3, September 2020
Publisher : PSI-Aceh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jacps.v9i3.17151

Abstract

UAV (Unmaned Aerial Vehicle) atau yang biasa disebut drone saat ini telah banyak digunakan untuk pemetaan wilayah di Indonesia. Salah satu metode penentuan posisi satelit GNSS (Global Navigation Satelitte System) yaitu dengan metode statik. Penelitian ini mengkaji perbadingan ketelitian foto udara UAV dan foto udara UAV yang telah diikatkan dengan GNSS. Tahapan awal dalam penelitian ini adalah dilakukan pengambilan foto udara UAV wilayah Gampong Lambarih, kemudian dilakukan pengambilan data GNSS di lapangan sebanyak 4 titik di kawasan Gampong Lambarih, Aceh Besar dengan menggunakan titik kontrol atau titik ikat stasiun CBDA dengan doy 040 di Jantho. Tiap titik pengamatan dilakukan selama 30 menit dengan interval waktu pengukuran 1 detik. Pengolahan data UAV menggunakan aplikasi Agisoft dan pengolahan data GNSS menggunakan aplikasi HiTarget Geomatic Office (HGO) dan Website BIG. Hasil penelitian menunjukkan foto udara UAV yang diikat dengan GNSS memiliki ketelitian yang lebih tinggi yaitu mecapai ketelitian orde mm. UAV (Unmaned Aerial Vehicle) or what is commonly called a drone is currently widely used for regional mapping in Indonesia. One method of determining the position of the GNSS (Global Navigation Satelitte System) satellite is the static method. This study examines the comparison of the accuracy of UAV aerial photographs and UAV aerial photographs that have been tied to GNSS. The initial stage in this research was to take aerial photographs of the UAV of the Lambarih Village area. Then the GNSS data collection was carried out in the field as many as 4 points in the Gampong Lambarih area, Aceh Besar using the control point or tie point of the CBDA station with doy 040 in Jantho. Each observation point was carried out for 30 minutes with a measurement time interval of 1 second. UAV data processing uses the Agisoft application and GNSS data processing using the HiTarget Geomatic Office (HGO) application and the BIG Website. The results showed that aerial photographs of UAVs bound with GNSS had a higher accuracy reaching in order of mm. Keywords: GNSS, UAV, Statik, BIG, HGO
Analysis of Activated Carbon Monolith Derived from Carrot Juice Waste for Supercapacitor Electrode Application Dewi Ramayani; Yanuar Hamzah; Erman Taer; Novi Yanti; Afriwandi Apriwandi
Journal of Aceh Physics Society Volume 10, Number 2, April 2021
Publisher : PSI-Aceh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jacps.v10i2.18392

Abstract

Abstrak. Pengembangan sistem penyimpanan energi elektrokimia yang efektif dan efisien menjadi sangat penting pada era evolusi teknologi dan industri modern saat ini. Penelitian ini mengemukakan karbon aktif sebagai bahan dasar material elektroda untuk diaplikasikan pada piranti penyimpan energi, khsusunya superkapasitor melalui analisa densitas, X-ray diffraction (XRD), Fourier Transform Infrared (FTIR) dan Cyclic Voltammetry (CV). Karbon aktif berbentuk monolit disiapkan dari ampas jus wortel melalui pendekatan pirolisis satu tahap terintegrasi dan aktivasi kimia KOH. Proses pirolisis satu tahap terintegrasi dilakukan melalui penggabungan karbonisasi dan aktivasi fisika dalam atmosfer gas N2/CO2. Berdasarkan analisis data, karbon aktif menunjukkan sifat amorf yang normal dan sifat porositas terkonfirmasi. Lebih lanjut, sifat elekrokimia dievaluasi menggunakan metode Cyclic Voltammetry (CV) pada sistem dua elektroda. Kapasitansi spesifik yang dihasilkan sebesar 155 F/g dalam elektrolit 1 M H2SO4 dengan energi spesifik dan daya spesifik adalah 21,52 Wh/kg dan 77,57 W/kg. Berdasarkan analisa ini maka ampas jus wortel terkonfirmasi berpotensi sebagai karbon aktif untuk elektroda yang diaplikasikan dalam piranti penyimpan energi superkapasitor.Abstract. The development of an effective and efficient electrochemical energy storage system is very important in today's era of technological evolution and the modern industry. This research suggests that activated carbon is the raw material for electrode materials to be applied to energy storage devices, especially supercapacitors through density analysis, X-ray diffraction (XRD), Fourier Transform Infrared (FTIR), and Cyclic Voltammetry (CV). Activated carbon in the monolith form derived from carrot juice waste was prepared through a one-stage integrated pyrolysis approach and chemical activation of KOH. An integrated one-stage pyrolysis process was carried out by combining carbonization and physical activation in an N2/CO2 gas atmosphere. Based on data analysis, activated carbon performed normal amorphous behavior with confirmed porosity features. Furthermore, the electrochemical properties were evaluated using the Cyclic Voltammetry (CV) method at the two-electrode system. The specific capacitance was found as high as 155 F/g in the 1 M H2SO4 aqueous electrolyte with specific energy and specific power as high as 21.52 Wh/kg and 77.57 W/kg, respectively. Based on this analysis, the carrot juice waste has been confirmed to have the potential as activated carbon for the electrodes applied in supercapacitor energy storage technology.Keywords: Carrot Juice Waste, Activated Carbon, Electrode Materials, Supercapacitor
Application of 2D resistivity method to determine serpentinite rocks in Kuta Cot Glie, Aceh Besar Muhammad Reyza Khalid; Fadhli Syamsudin; Nasrullah Zaini; Didik Sugiyanto
Journal of Aceh Physics Society Volume 10, Number 1, January 2021
Publisher : PSI-Aceh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jacps.v10i1.17904

Abstract

Abstrak. Kuta Cot Glie di Aceh Besar, merupakan salah satu daerah yang memiliki potensi batuan metamorf serpentinit. Batuan ini dapat digunakan sebagai bahan baku untuk pembuatan pupuk, batu hias, dan beberapa manfaat lainnya. Penelitian ini bertujuan untuk menginterpretasi model bawah permukaan dan memperkirakan ketebalan lapisan batuan serpentinit. Metode geofisika yang digunakan adalah metode geolistrik resistivitas dengan konfigurasi Wenner-Schlumberger. Pengukuran dilakukan pada dua lintasan sepanjang 275 m untuk masing-masing lintasan dengan 56 buah elektroda dan jarak spasi setiap elektroda adalah 5 m. Prinsip metode geolistrik tersebut memanfaatkan sifat kelistrikan suatu material untuk mengetahui karakteristik material. Hasil penelitian menunjukkan bahwa nilai resistivitas adalah 50 - 150 Ωm yang diperkirakan lapisan batuan serpentinit dengan ketebalan 10 - 35 m.Abstract. Kuta Cot Glie located in Aceh Besar, Aceh Province, has a natural potential of serpentine. The metamorphic rocks used as a raw material for making fertilizer, ornamental stones, and other benefits. This research aims to interpret sub-surface models and estimate the thickness of the rock layers. The geophysical method used in this study was the resistivity geoelectric method with a Wenner-Schlumberger configuration. Measurements were carried out on two lines with 275 m for each line and the spacing of the electrode was 5m using 56 electrodes. The physical approach utilizes the electrical properties of a material to determine the characteristics of its material. The result show that the resistivity of 50 to 150 Ωm can be interpreted as serpentinite rock layers with the thickness of 10 m to 35 m.Keywords: Serpentinite, resistivity, geoelectric method, Wenner-Schlumberger configuration.
Cover Volume 10(2) April 2021 Editorial JAcPS
Journal of Aceh Physics Society Volume 10, Number 2, April 2021
Publisher : PSI-Aceh

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Abstract

The file content of: editorial list, reviewer list, and table of content 
Mechanical properties of coconut shell particle board using epoxy resin adhesive Zia Nurkhalida Hatta; Mursal Mursal; Ismail Ismail
Journal of Aceh Physics Society Volume 10, Number 2, April 2021
Publisher : PSI-Aceh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jacps.v10i2.19086

Abstract

Abstrak. Papan partikel merupakan komposit yang tersusun dari filler (penguat) dan matriks (pengikat). Papan partikel dapat dibuat dari bahan limbah pertanian yang mengandung selulosa seperti tempurung kelapa. Penelitian ini menggunakan limbah tempurung kelapa sebagai filler dan resin epoksi (RE) sebagai matriks. Penelitian dilakukan dengan memvariasikan ukuran partikel tempurung kelapa (60, 80, 100 dan 120 mesh) dan komposisi filler tempurung kelapa:perekat RE (70:30, 75:25, 80:20, dan 85:15 vol.%) untuk memperoleh sifat mekanik yang terbaik. Sifat mekanik yang diuji adalah modulus of elasticity, modulus of rupture, dan kuat tekan. Sifat mekanik papan partikel diuji sesuai standar ASTM. Hasil penelitian menunjukkan bahwa sifat mekanik menurun dengan bertambahnya komposisi tempurung kelapa. Namun sifat mekanik meningkat dengan mengecilnya ukuran partikel dari 60 ke 120 mesh. Papan partikel yang dihasilkan memenuhi persyaratan ANSI untuk ukuran partikel 120 mesh, komposisi tempurung kelapa 80 vol.%, dan RE 20 vol.%.Abstract. Particle board is a composite composed of filler (reinforcement) and a matrix (binder). Particle board can be made of agricultural waste material containing cellulose such as a coconut shell. This study used coconut shell particles as a filler and epoxy resin (RE) as a matrix. The research was conducted by varying the particle size of coconut shells (60, 80, 100 and 120 mesh) and the composition of coconut shell fillers:RE adhesive (70:30, 75:25, 80:20, and 85:15 vol.%) to obtain the best mechanical properties. The mechanical properties tested were modulus of elasticity, modulus of rupture, and compressive strength. Particleboard was tested according to ASTM standards. The results showed that the mechanical properties decreased with increasing coconut shell composition. However, the mechanical properties increased as the particle size decreased from 60 to 120 mesh. The resulting particle board meets ANSI requirements for a particle size of 120 mesh, 80 vol.% of coconut shell composition, and 20 vol.% of RE. Keywords: Coconut Shell, Epoxy Resin, Mechanical Properties, Particle Board
Groundwater Vulnerability to Pollution Using the GOD Method in Banda Aceh City, Aceh Province Dewi Sartika; Akmal Muhni; Rifqan Rifqan; Hidayat Syah Putra
Journal of Aceh Physics Society Volume 9, Number 3, September 2020
Publisher : PSI-Aceh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jacps.v9i3.17332

Abstract

Kerentanan airtanah terhadap pencemaran dapat terjadi akibat adanya aktivitas manusia. Oleh karena itu, kualitas dan kuantitas airtanah perlu diperhatikan. Penerapan metode GOD (Groundwater Occurrence, Overlaying Lithology and Depth Of Groundwater) dilakukan untuk mengkaji kerentanan airtanah di Kota Banda Aceh, Provinsi Aceh. Metode GOD merupakan metode yang dilakukan dengan mengevaluasi tiga parameter yaitu jenis akuifer, jenis litologi diatas akuifer dan kedalaman muka airtanah. Penelitian ini bertujuan memetakan daerah yang berpotensi terjadi pencemaran berdasarkan tingkat kerentanan air tanah dengan menggunakan metode GOD, di Kota Banda Aceh. Hasil dari penelitian menunjukkan tingkat kerentanan airtanah intrinsik berdasarkan metode GOD berkisar pada nilai sedang sampai tinggi. Zona sedang berdasarkan metode ini ditunjukkan pada nilai indeks 0.45-0.5 yang mencakup beberapa daerah seperti Kuta Alam, Kutaraja, Meuraksa, Jaya Baru, Banda Raya, Lueng Bata, dan Baiturrahman. Dan daerah dengan indeks tinggi mencakup kecamatan Syiah Kuala dan Ulee Kareng dengan nilai 0.52-0.69. Kondisi litologi pada daerah penelitian menunjukkan tipe akuifer yang sejenis yaitu sistem akuifer aluvial. The vulnerability of contaminated groundwater caused by human activity. Thus, the quantity and quality of groundwater need more attention. The application of GOD (Groundwater Occurrence, Overlaying Lithology and Depth of Groundwater) methods is done for a review of groundwater vulnerability in Banda Aceh City, Aceh Province. The GOD method is a method by investigating three parameters, they are: type of aquifer, type of lithology above the aquifer, and depth of groundwater table. This study aims to map areas with potential contamination based on the level of groundwater vulnerability using the GOD method, in Banda Aceh City, Aceh Province. The result of the research shows that the level of intrinsic groundwater vulnerability in Banda Aceh by the GOD method range from moderate to high. Moderate groundwater vulnerability zone based on this method has an index value of 0.45 - 0.5 covers several areas, they are: Kuta Alam, Kutaraja, Meuraksa, Jaya Baru, Banda Raya, Lueng Bata, and Baiturrahman. And the high index value covers Syiah Kuala and Ulee Kareng with 0.52 - 0.69. The lithology of the studied area shows the same type of aquifer as an alluvial aquifer system. Keywords: groundwater vulnerability, GOD method, aquifer
The production of supercapacitor carbon electrodes based on sugar palm fronds using chemical and physical activation combination Awitdrus Awitdrus; Decha Apriliany Suwandi; Agustino Agustino; Erman Taer; Rakhmawati Farma
Journal of Aceh Physics Society Volume 10, Number 3, July 2021
Publisher : PSI-Aceh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jacps.v10i3.18517

Abstract

Abstrak. Pembuatan elektroda karbon superkapasitor berbasis limbah pelepah aren dengan kombinasi pengaktifan kimia dan fisika telah berhasil dilakukan. Aktivasi kimia dilakukan dengan menggunakan agen pengaktif 0,3 M KOH dan aktivasi fisika menggunakan gas CO2 pada suhu 900oC selama 2,5 jam. Karakterisasi sifat fisis elektroda meliputi susut massa, tebal, diameter, densitas dan derajat kristalinitas. Karakterisasi sifat elektrokimia elektroda dilakukan dengan menggunakan metode siklis voltametri. Setelah proses karbonisasi-aktivasi fisika, massa, tebal, diameter dan densitas elektroda mengalami penurunan persentase masing-masing adalah 60,87; 30,43; 24,08 dan 5,71%. Elektroda PA-0,3 memiliki struktur semi kristalin, yang ditandai dengan adanya dua puncak yang lebar pada sudut hamburan sekitar 25o dan 46o. kapasitansi spesifik elektroda PA-0,3 berdasarkan variasi laju pemindaian  adalah 90 F g-1 untuk 1 mV s-1, 82 F g-1 untuk 2 mV s-1, dan 71 F g-1 untuk 5 mV s-1. Abstract. The production of supercapacitor carbon electrodes based on sugar palm frond waste using chemical and physical activation combinations have been successfully carried out. The chemical activation was carried out using 0.3 M KOH activating agent and the physical activation using CO2 gas at a temperature of 900oC for 2.5 h. Characterization of the physical properties of the electrodes includes mass loss, thickness, diameter, density and degree of crystallinity. The electrochemical properties characterization of the electrodes was carried out using the cyclic voltammetry method. After the carbonization-physical activation process, the mass, thickness, diameter, and density of the electrodes decreased in the percentage of 60.87, 30.43, 24.08, and 5.71%, respectively. The PA-0.3 electrode has a semi crystalline structure, which characterized by the presence of two broadening peaks at a scattering angle around of 25o and 46o. The specific capacitance of the PA-0.3 electrode based on the scan rate variations is 90 F g-1 for 1 mV s-1, 82 F g-1 for 2 mV s-1, and 71 F g-1 for 5 mV s-1.Keywords: Sugar palm fronds, Chemical activation, Physical activation, Carbon electrode, Supercapacitor 
Application of dynamic electricity: Series and Parallel learning model with ISLE-based STEM approach for students with disabilities Yuli Andriani; Irwandi Irwandi; Mursal Mursal; Mailizar Mailizar; Elin Yusibani
Journal of Aceh Physics Society Volume 10, Number 1, January 2021
Publisher : PSI-Aceh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jacps.v10i1.18955

Abstract

Abstrak. STEM Research Center telah mengembangkan beberapa modul dengan pendekatan model STEM berbasis Investigative Science Learning Environment (ISLE) dan telah berhasil mengimplementasikan pada sekolah umum di Aceh. Modul yang telah dikembangkan selanjutnya akan diterapkan kepada siswa penyandang disabilitas tunarungu di SMALB YPAC Kota Banda Aceh. Penerapan model pembelajaran menggunakan STEM berbasis ISLE yakni didasarkan pada kegiatan observasi dan diskusi berkaitan dengan empat bidang disiplin ilmu yakni sains, teknologi, enjinering dan matematika. Modul pembelajaran yang dikembangkan terdapat dua kegiatan belajar, yaitu kegiatan belajar yang berkaitan dengan eksperimen pengamatan dan kegiatan belajar yang berkaitan kegiatan eksperimen sederhana dengan menguji kebenaran hasil prediksi. Rangkaian listrik dinamis yang diberikan adalah rangkaian sederhana yang dipasangkan secara seri dan paralel. Untuk alat peraga listrik dinamis yang digunakan, pengamatan tidak mengalami permasalahan. Siswa dapat mengikuti lembar kerja modul ISLE dengan baik. Proses diskusi dalam kelompok masih dapat dilakukan, namun terdapat masalah dalam hal mengkomunikasikan ide-ide antar kelompok.Abstract. STEM Research Center has developed several modules with the ISLE-based STEM model approach and has successfully implemented them in regular schools in Aceh. The module that has been developed will then be applied to students with hearing disabilities at YPAC High School Banda Aceh City. The application of the learning model uses the ISLE-based STEM which is based on observation and discussion activities related to four fields, namely science, technology, engineering, and mathematics. The learning module developed has two learning activities, namely learning activities related to experimental observations and learning activities related to simple experimental activities by testing the correctness of the predicted results. A given dynamic electric circuit is a simple circuit that is paired in series and parallel. For dynamic electric props used, the observation does not experience any problems. Students can follow the ISLE module worksheets well. The discussion process in groups is still possible, but there are problems in communicating ideas between groups.Keywords: ISLE based STEM module, Deaf, Dynamic electricity

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