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Jurnal Fisika FLUX
ISSN : 1829796X     EISSN : 25411713     DOI : -
Core Subject : Science, Education,
Jurnal Fisika FLUX is a peer-reviewed, open access journal that publishes original research articles, review articles, as well as short communication in all areas of physics including applied physics, which includes: physics instrumentation and computation, biophysics, geophysics, physics materials, theoretical physics, and physics education. Journal use single peer reviewed to publish. This journal is published by Universitas Lambung Mangkurat Press. ISSN 1829-796X (print) and ISSN 2541-1713 (online) Jurnal Fisika FLUX is published twice a year. Articles will be peer reviewed first. Once ready to be published immediately on the current edition.
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Articles 10 Documents
Search results for , issue " Vol 16, No 1 (2019): Jurnal Fisika Flux Edisi Februari 2019" : 10 Documents clear
Efek Magneto-Impedansi Frekuensi Rendah pada Non Litografi Multilayer [NiFe/Cu]4 Prastyo, Wahyu Eko; Purnama, Budi; Nuryani, Nuryani
Jurnal Fisika FLUX Vol 16, No 1 (2019): Jurnal Fisika Flux Edisi Februari 2019
Publisher : Lambung Mangkurat University Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (666.252 KB) | DOI: 10.20527/flux.v16i1.5004

Abstract

The magneto-impedance effect in multilayer system of [NiFe/Cu]4 present at this paper. The samples prepare by electrodepositin methods on a non-lithography pattern of PCB Cu substrate. The NiFe and Cu layer sequency produce to obtain a multilayer system [NiFe/Cu]4. Thereafter, sample evaluate magnetic property by using vibrating sample magnetometer (VSM).  Finally, sample evaluate a magneto-impedance response by total electrical impedance measure under various external magnetic field.  Typical magneto-impedance ratio of 7,56% indicate the sample can to apply as magnetic sensor at low frequency region.
Pengaruh Variasi Arus Pengisian Pengosongan Muatan Pada Model Baterai Lead Acid Terhadap Perubahan Efisiensi Energi Pranata, Kurriawan Budi; Sulistyanto, Muhammad Priyono Tri; Ghufron, Muhammad; Yusmawanto, Mukhammad
Jurnal Fisika FLUX Vol 16, No 1 (2019): Jurnal Fisika Flux Edisi Februari 2019
Publisher : Lambung Mangkurat University Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (690.008 KB) | DOI: 10.20527/flux.v16i1.5311

Abstract

This research aims to determine the energy efficiency of lead acid batteries after testing the charge-discharge process with a constant current method. Charge-discharge current variations of 0.3 A, 0.5 A, and 0.6 A. The performance voltage range when the charging process has a value in comparison with the charging current. The greater the charging electric current can change the voltage range of the greater performance. Conversely, at the discharge process. The greater the discharge electric current can change the performance voltage range the smaller. Meanwhile, in the performance voltage range the discharge process is lower if the discharge flow gets bigger. Based on the results of the charge-discharge process test, it can be determined the energy efficiency values of the current variation of 0.3 A, 0.5 A, and 0.6 A, which are 76.32%, 76.06% and 91.33%, respectively.
Penentuan Letak Liang Gua Batu Tunggal Menggunakan Metode Geolistrik Konfigurasi Wenner di Desa Tegalrejo Kotabaru Husna, Dwi Asmaul; Wahyono, Sri Cahyo; Siregar, Simon Sadok
Jurnal Fisika FLUX Vol 16, No 1 (2019): Jurnal Fisika Flux Edisi Februari 2019
Publisher : Lambung Mangkurat University Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (643.631 KB) | DOI: 10.20527/flux.v16i1.4800

Abstract

Kotabaru Regency has a cast area with an area of 1.777,6303 km2 with a process of dissolving rocks of carbonate that extends to the coast of the Southeast part of the island of Borneo. The study sites are located in the Batu Tunggal cave at coordinates 3o 11 '41.8 "S and 115o 58' 32.9" E which aims to determine the location of the burrow, diameter, and extent of the cave that is still buried using the Wenner Geoelectric Method configuration. Arrange electrode C1 P1, P2 C2 with a distance of 5-meter electrode 3 paths. The results of the measurements on track 1 were found to be the first hole with an average resistivity value of 295,046 Wm at depths of 1.25 to 17.3 meters with an a area of 237.5 m2, the second hole in depth 13.4 - 17.3 meters with a area of 66 m2, the third hole in depth, 9.94 - 17.3 meters with an a area of 55 m2. The second track found the burrow with an average resistivity value of 140.591 Wm in depth of 9.94 - 17.3 meters with an a area of 114 m2. The third track found the burrow with an average resistivity value of 27.651 Wm in depth 14.4 - 17.3 meters with an a area of 55 m2. The cave lane on track 3 is connected to the first hole of track 1 and connects with the hole in part 2.Cave Hole, Geoelectric, Gua Batu Tunggal, Karst
Preparasi dan Karakteristik Fisis Nanopartikel Magnetit (Fe3O4) Riyanto, Agus
Jurnal Fisika FLUX Vol 16, No 1 (2019): Jurnal Fisika Flux Edisi Februari 2019
Publisher : Lambung Mangkurat University Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1462.243 KB) | DOI: 10.20527/flux.v16i1.5524

Abstract

This study aims to identify the effect of preparation temperature on microstructure and magnetic properties of magnetite nanoparticles prepared from FeSO4.7H2O and FeCl3.6H2O by using co-presipitation method without organic solvent and surfactant. Precursors were prepared at 30 oC, 60 oC, and 90 oC under atmospheric pressure. Microstructure and diameter distribution of magnetite nanoparticles were analyzed by using XRD, FTIR, TEM, and imageJ software, while the magnetic properties were analized using VSM. The identification result show that the magnetite phase was formed on all samples with polycrystalline structure. The increasing of preparation temperature was followed by increase in diameter of grains and oxidation rate of magnetite phase into maghemit ( -Fe2O3). The superparamagnetic properties almost can be observed especially in sample prepared at 30 oC, where magnitude of remanent and coersivity is 3.39 emu/g and 23.93 Oe, respectively. The magnitude of remanent and coersivity increases as preparation temperature increases and superparamagnetic effect decrease.KEYWORD : 
Implementasi Fuzzy Logic dalam Pembuatan Kontrol Navigasi Mobile Robot Dairoh, Dairoh; Khambali, Mohammad; Mustofa, Trima
Jurnal Fisika FLUX Vol 16, No 1 (2019): Jurnal Fisika Flux Edisi Februari 2019
Publisher : Lambung Mangkurat University Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (980.471 KB) | DOI: 10.20527/flux.v16i1.4717

Abstract

Artificial Intelligence is defined as intelligence exhibited by an artificial entity. Intelligence was created and put into a machine that can do the job as do humans. Some kinds of fields that use artificial intelligence include fuzzy logic, expert systems, computer games, neural networks and robotics. The purpose of research is Applying the theory of fuzzy logic in the manufacture of robot control and create teaching materials for the subjects of physics, especially on the concept of a microcontroller or other allied subjects of the research conducted. In this study apply fuzzy logic on the movement of wheeled robot control where in the controlling controlled via a smartphone which is then processed by a microcontroller Arduino that has grown the program by applying the method of fuzzy logic rule. Then by the microcontroller is used as a command to drive the DC motor as a navigation system that course in accordance with the rules created. Every step of the control system provides a signal in the form of a large steering angle (θ) which guides the robot to the target of a starting position. The results showed that the application of a system of fuzzy logic can be implemented in a navigation system for a robot control and the results of testing the robot's movement, then obtained some data points specified coordinates with the coordinates of the control robot acquired a 96% accuracy rate.
Synthesis and Characterization of Reduced Graphene Oxide from Fiber of Borassus Flabelifer by Activation Method Prasetya, Fandi Angga; Anggarini, Ufafa; Mustofa, Salim; Sholihah, Syarifatus; Iqbal, Fathur; Hanafi, Hanafi; Septyano, Dode Bara
Jurnal Fisika FLUX Vol 16, No 1 (2019): Jurnal Fisika Flux Edisi Februari 2019
Publisher : Lambung Mangkurat University Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1138.366 KB) | DOI: 10.20527/flux.v16i1.5876

Abstract

Reduced Graphene Oxide (RGO) has been successfully synthesized by calcination process at 4000C for 4 hours followed by activation with NaOH 1 M. Carbonization is the last process with variations in heating at 6500C, 7500C, 8500C, and 9500C for 1 hour (heating rate 100C / minute). DSC-TGA data shows that there is advanced decomposition at high temperatures, this is confirmed by SEM data which shows the amount of porosity which is getting higher with a size that decreases with temperature. XRD data shows phase differences at low temperatures with a trend of higher levels of crystallinity at high temperatures. Raman spectroscopy data showed an ID / IG ratio of 2.607 and 1.007 on Borassus Flabelifer L with carbonization at 6500C and 9500C respectively. The ID / IG value which is getting closer to 1 indicates that the carbon available in Borassus Flabelifer L has undergone phase changes such as Graphene with a little Oxide commonly called RGO
Dekonvolusi Citra Hasil Pemindaian CT Simulator Berbasis Analisis Fungsi Respon Dua Dimensi (2D) anggriani, wendelina; Maslebu, Giner; Trihandaru, Suryasatriya
Jurnal Fisika FLUX Vol 16, No 1 (2019): Jurnal Fisika Flux Edisi Februari 2019
Publisher : Lambung Mangkurat University Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1208.468 KB) | DOI: 10.20527/flux.v16i1.4356

Abstract

ABSTRAK− Penelitian ini bertujuan untuk menentukan nilai fungsi respon dua dimensi (2D) dan dekonvolusi citra hasil pemindaian CT Simulator berbasis fungsi respon dua dimensi (2D), serta membandingkan data nilai fungsi respon dari hasil citra pemindaian CT simulator (hasil scan) dan data hasil citra simulasi. Dalam penelitian ini digunakan pesawat CT Simulator 16 slice dan sampel phantom berbahan akrilik berjumlah 5 buah dengan rincian sebagai berikut: 4 buah phantom pembanding dan 1 buah phantom uji. Pemindaian menggunakan pesawat CT Simulator dilakukan pada kelima phantom dengan variasi  slice thickness 5 mm dan 10 mm. Penentuan nilai fungsi respon dua dimensi (2D) dilakukan dengan menggunakan teknik konvolusi (convolution). Untuk membalikkan efek konvolusi (convolution) pada data maka digunakan teknik dekonvolusi (deconvolution). Hasil penelitian menunjukkan bahwa nilai fungsi respon 2D dari phantom pembanding untuk slice thickness 5 mm dan 10 mm adalah 0.5xx dan 0.7xx – 0.8xx. Selain itu, didapatkan grafik fungsi respon dua dimensi (2D) menggunakan teknik dekonvolusi (deconvolution) untuk phantom pembanding dan phantom uji, serta hasil citra simulasi yang menunjukkan improfile yang baik terdapat pada sigma/???? 0.5 dan 2. Untuk itu, perbandingan data hasil citra simulasi terhadap citra hasil scan menghasilkan citra yang baik dikarenakan nilai fungsi respon hasil scan masih dalam rentang sigma 0.5xx dan 0.7xx – 0.8xx. 
Pembuatan Prototipe Dye Sensitized Solar Cell (DSSC) Menggunakan Antosianin Dari Dye Bunga Kenikir (Cosmos Caudatus L.) dan Bunga Zinnia ( Zinnia Peruviana) Dwioknain, Eunike; Hardianti, Hardianti; Tahir, Dahlang; Gareso, Paulus Lobo
Jurnal Fisika FLUX Vol 16, No 1 (2019): Jurnal Fisika Flux Edisi Februari 2019
Publisher : Lambung Mangkurat University Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1112.492 KB) | DOI: 10.20527/flux.v16i1.4967

Abstract

Prototype dye sensitized solar sel (DSSC) menggunakan antosianin dari bunga Kenikir (Cosmos Cudatus L.) dan bunga Zinnia (Zinnia Peruviana) untuk pertama kalinya telah di fabrikasi. Prototype DSSC dibuat dalam bentuk struktur sandwich, dengan menggunakan metode spin coating untuk deposisi lapisan TiO2., Kemudian dikarakterisasi  menggunakan XRD yang menunjukkan Kristal TiO2 berada pada fase anatase, dengan ukuran Kristal sebesar 37,99 nm menggunakan persamaan Debye Scherrer dan 30,10  nm menggunakan metode UDM. Hasil spektrum UV-Vis dalam rentang 300 nm - 800 nm, memperlihatkan absorbansi masing-masing untuk dye bunga Zinnia, bunga Kenikir, dan dye campuran adalah 331 nm; 328 nm; 327 nm. Hasil FTIR menunjukkan adanya senyawa antosianin pada bahan dye yang ditunjukkan dengan adanya ikatan senyawa flavonol, karboksil dan hikdroksil. Keluaran yang di hasilkan dari prototype DSSC berupa arus dan tegangan yang kemudian di akumulasi untuk menghitung efisiensi  DSSC. Efisiensi DSSC sebesar 0,0193 % pada dye bunga Zinnia dengan lama perendaman 66 jam. Efisiensi dari DSSC yang terbaik adalah dye dari bunga Zinnia bila dibandingkan dengan bunga Kenikir dan  campuran dye dari bunga Kenikir dan bunga Zinnia.
Aplikasi Metode Geolistrik Konfigurasi Schlumberger untuk Mengidentifikasi Lapisan Air Tanah di Desa Ulak Patian Rokan Hulu Riau Febriani, yeza; Sohibun, Sohibun
Jurnal Fisika FLUX Vol 16, No 1 (2019): Jurnal Fisika Flux Edisi Februari 2019
Publisher : Lambung Mangkurat University Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (931.376 KB) | DOI: 10.20527/flux.v16i1.5651

Abstract

Telah dilakukan penelitian untuk mengidentifikasi lapisan air tanah di Desa Ulak Patian, Rokan Hulu, Riau berdasarkan metode geolistrik konfigurasi Schlumberger yang terdiri dari tiga titik sounding. Data diolah menggunakan software progress untuk menghasilkan penampang vertikal antara resistivitas terhadap kedalaman tiap lapisan. Pada titik sounding 1, air tanah ditemukan pada kedalaman 11-34 meter dengan nilai tahanan jenis sebesar  52 Ωm. Lapisan ini diduga berasosiasi dengan lapisan pasir. Pada titik sounding 2, air tanah ditemukan pada kedalaman 5-17 meter, dengan nilai tahanan jenis yaitu 21 Ωm. Pada titik sounding 3, air tanah ditemukan pada kedalaman 5-35 meter, dengan nilai tahanan jenis 11.79 Ωm dan 48.39 Ωm. Lapisan ini berasosiasi dengan lapisan pasir.
Improved Performance of Dye-Sensitized Solar Cells With TiO2 Nano-Particles by Using The Carrot as a Dye Solar Cell Application Hardani, Hardani; Angraeni, Lily Maysari; Cari, Cari; Supriyanto, Agus
Jurnal Fisika FLUX Vol 16, No 1 (2019): Jurnal Fisika Flux Edisi Februari 2019
Publisher : Lambung Mangkurat University Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1014.815 KB) | DOI: 10.20527/flux.v16i1.5563

Abstract

The aims of the research to were know performance of Dye-Sensitized Solar Cell (DSSC) using the dye of carrots (Daucus carota) as a photosensitizer with a variation of dye deposition area with spin coating techniques. The structure of the samples as a sandwich  consisting of the working electrode titanium dioxide (TiO2), dye, electrodes of platinum (Pt) and the electrolyte sandwiched between two electrodes. Test absorbance dye using UV-Visible Spectrophotometer Lambda 25, using a two-point conductivity test probes El Kahfi 100 and characterization test IV using a Keithley 2602A.. DSSC fabrication has been done using dye extract of carrots (Daucus carota) with a variety of solvent technique spin coating. The results show that dye extract of carrots (Daucus carota) have an absorbance spectrum of 380-520 nm range. From the results of the test using AM Simulator 1.5G (100 mW/ cm2) diesel simulator, it was found that the volume of TiO2 precursors affected the performance of DSSC solar cells and the overall conversion efficiency was 0.021% for the carrots (Daucus carota) dye with ethanol solvent and 0.037% for the carrots (Daucus carota) dye by solvent acetone.

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