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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 6 Documents
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Search results for , issue "Volume 10, Number 1, January 2021" : 6 Documents clear
Analysis of the effect of annealing rate on the thinness film of BaZr0.4Ti 0.6O3 at 800°C for 2 hours Tengku Said Hussain Shahab; Yanuar Hamzah; Zulkarnain Krisman; Ari Sulistyo Rini; Rahmi Dewi
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.v10i1.17819

Abstract

Abstrak. Ferroelektrik merupakan bahan yang mempunyai polarisasi spontan serta mempunyai kemampuan mengubah polarisasi internalnya dengan menggunakan medan listrik yang sesuai. Ferroelektrik juga diaplikasikan sebagai kapasitor. Material ferroelektrik buat dalam bentuk film tipis. Barium Zirconium Titanate (BZT) dengan komposisi BaZr0.4Ti0.6O3 dibuat menggunakan metode sol-gel. Substrat yang digunakan yaitu FTO yang telah di etching dan di lapisi BZT serta di annealing pada suhu 800°C selama 2 jam dengan kenaikan laju suhu annealing yaitu 5°C dan 10°C. Sampel di karakterisasi menggunakan XRD. Hasil karakterisasi XRD menunjukkan adanya puncak-puncak yang menandakan terdapat struktur kristal. Struktur kristal yang dihasilkan berada pada bidang 100  pada sudut 2θ = 22.78°, bidang 110  pada sudut 2θ = 32.17°, bidang 111 pada sudut 2θ = 38.42°, bidang 200 pada sudut 2θ = 47.73°. Struktur yang dihasilkan pada penelitian ini yaitu tetragonal dimana a = b = 3.91 nm dan c = 4.05 nm. Laju kenaikan suhu berpengaruh pada puncak Difraksi Sinar-X. Nilai FWHM untuk 5°C lebih kecil dari 10°C, ini menunjukan adanya kerapatan yang lebih besar saat di annealing dengan laju 5°C. Nilai ukuran kristal yang di dapat dengan kenaikan suhu 5°C dan 10°C pada bidang 100 yaitu 3.94 nm dan 3.22 nm. Ukuran kristal berbanding terbalik dengan nilai FWHM dimana laju kenaikan suhu annealing yang kecil menyebabkan ukuran kristal membesar. Abstract Ferroelectrics is a material that has spontaneous polarization and ability to change its internal polarization by using a suitable electric field. Ferroelectricsis also applied as a capacitor. The ferroelectric material is made in the form of a thin film. Barium Zirconium Titanate (BZT) with the composition BaZr0.4Ti 0.6O3 is prepared using the sol-gel method. The substrate used is FTO which has been etched and coated with BZT and annealed at a temperature of 800°C for 2 hours with a increase in the annealing temperature speed of 5°C and 10°C.Samples are characterized using XRD. The XRD characterization results show peaks indicating a crystal structure. The resulting crystal structure is in a plane 100 at an angle of 2θ = 22.78°, a plane 110 at an angle of 2θ = 32.17°, a plane 111 at an angle of 2θ = 38.42°, a plane 200 at an angle of 2θ = 47.73°. The resulting structure in this study is a tetragonal where a = b = 3.91 nm  and c = 4.05 nm. The speed at which temperature increases has an effect on the peak of the X-Ray Diffraction.The FWHM value for 5°C is less than 10°C which indicates a greater density when annealed at a speed of 5 °C. The value of the crystal size obtained with an increase in temperature of 5°C and 10°C in the  plane 100 is 3.94 nm and 3.22 nm. The crystal size is inversely proportional to the FWHM value where the small speed of the annealing temperature increase causes the crystal size to enlarge.Keywords: BaZr0.4Ti0.6O3 Thin Film,  Speed of Annealing Temperature Increase,  Sol-gel method, X-Ray Diffraction (XRD). 
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.
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
Cover Volume 10(1) January 2021 Editorial JAcPS
Journal of Aceh Physics Society Volume 10, Number 1, January 2021
Publisher : PSI-Aceh

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Abstract

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Effect of carbonized temperature to supercapacitor electrode from palm midrib biomass Rakhmawati Farma; Melda Oktaviandari; Vepy Asyana
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.v10i1.17926

Abstract

Abstrak. Elektroda merupakan salah satu komponen yang dapat meningkatkan kinerja sel superkapasitor. Pada penelitian ini elektroda karbon berasal dari limbah biomassa pelepah nipah. Persiapan awal dimulai dari proses prakarbonisasi pada suhu 200˚C dan selanjutnya diaktivasi secara kimia menggunakan KOH sebagai aktivator dengan konsentrasi 1M. Serbuk karbon aktif diubah menjadi bentuk monolit menggunakan Hydrolic press dan kemudian diikuti oleh proses karbonisasi pada suhu 650, 700 dan 750˚C, kemudian diaktivasi fisika dengan mengalirkan gas CO2 pada suhu 900˚C. Karakterisasi sifat fisis elektroda karbon menunjukkan bahwa densitas sampel PN650 yang dikarbonisasi pada suhu 650˚C memiliki nilai densitas paling rendah. Karakterisasi struktur mikro menunjukkan bahwa elektroda karbon memiliki struktur semikristalin yang ditandai dengan kehadiran puncak (002) dan (100) pada sudut 2θ sekitar 24˚ dan 43˚. Hasil karakterisasi struktur mikro juga menunjukkan bahwa sampel PN650 memiliki nilai Lc tertinggi yaitu sebesar 7,947 nm. Analisa sifat elektrokimia menunjukkan bahwa sampel PN650 mempunyai nilai kapasitansi terbesar yaitu 223,55 F/g. Dapat disimpulkan bahwa suhu 650˚C merupakan suhu terbaik dalam proses pembuatan elektroda karbon dari pelepah nipah untuk diaplikasikan sebagai elektroda sel superkapasitor.Abstract. The electrode is one of the components that can increase the supercapacitor cell performance. In this research, the carbon electrode derives from waste of palm midrib biomass. Initial preparation was started from the pre carbonization process at 200˚C and then was chemically activated using KOH as an activator with a concentration of 1M. The activated carbon powder was converted into a monolith form using a hydraulic press and then was followed by carbonization process at 650, 700 and 750˚C, then physical activation by flowing CO2 at 900˚C. Characterization of the physical properties of the carbon electrode showed that the density of the PN650 sample carbonized at 650°C had the lowest density value. Microstructure characterization indicated that the carbon electrode had a semi crystalline structure, it was characterized by the presence of peaks (002) and (100) at an angle of 2θ around 24˚ and 43˚. The results of the microstructure characterization also showed that the PN650 sample had the highest Lc value of 7.947 nm. Analysis of electrochemical properties showed that the PN650 sample had the largest capacitance value of 223.55 F/g. It can be concluded that 650˚C was the best temperature in the process of making carbon electrodes from palm leaf midrib to be applied as supercapacitor cell electrodes.Keywords: Ketaping, Activated Carbon, Supercapacitor, Activator, Capacitance.
Study of activated carbon characteristic from ketaping fruit shell (Terminalia Catappa) as supercapasitors electrode Rahma Joni; Syukri Syukri; Hermansyah Aziz
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.v10i1.17755

Abstract

Studi karakteristik karbon aktif dari cangkang buah ketaping (Terminalia Catappa) sebagai elektroda superkapasitor telah diteliti. Karbon aktif dari cangkang buah ketaping (CBK) disiapkan dengan proses karbonisasi pada suhu 400oC dan Proses aktivasi KOH pada suhu 800oC di bawah aliran gas N2. Karbon aktif CBK memiliki kandungan karbon dengan massa atomik sebesar 97,52%. Karbon aktif CBK memiliki struktur amorf dengan dua buah puncak yang lebar pada sudut 2θ yaitu 24,93o dan 42,93o yang bersesuaian dengan bidang (002) dan (100). Karbon aktif CBK yang dihasilkan memiliki pola serapan dengan jenis ikatan OH, C-H, C=O, dan C=C. Adanya ikatan OH dan C=O menunjukkan bahwa arang aktif yang dihasilkan cenderung bersifat lebih polar. Morfologi permukaan karbon aktif CBK menunjukan distribusi ukuran pori yang merata dan luas permukaan yang besar. Luas permukaan spesifik karbon aktif dari CBK adalah 799,892 m2×g-1 dengan volume total pori 0,080 cm3×g-1 dan jari-jari pori rata-rata 1,9072 nm. Kapasitansi spesifik dari karbon aktif dari CBK adalah sebesar 125,446 F×g-1. Studies on the characteristics of activated carbon from ketaping fruit shells (Terminalia Catappa) as supercapacitor electrodes have been studied. Activated carbon from ketaping fruit shells (KFS) prepared by carbonization process at 400oC and the KOH activation process is carried out at 800oC under N2 gas flow. Activated carbon KFS has a carbon content with 97.52% of atomic mass. Activated carbon KFS has an amorphous structure with two wide peaks at an angle of 2θ 24.93ᵒ and 42.93ᵒ corresponding to the plane (002) and (100). Activated carbon KFS produced has an absorption pattern with OH, C-H, C = O, and C = C bond types. The presence of OH and C = O bonds indicates that the activated charcoal produced tends to be more polar. The surface morphology of activated carbon KFS shows an even distribution of pore size and large surface area. The specific surface area of activated carbon KFS is 799.892 m2×g-1 with a total pore volume 0.080 cm3×g-1 and an average pore radius of 1.9072 nm. The specific capacitance value of activated carbon KFS is 125.444 F×g-1.Keywords: Ketaping, Activated Carbon, Supercapacitor, Activator, Capacitance. 

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