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Jurnal Fisika FLUX
Published by Universitas Lambung Mangkurat
ISSN : 1829796X     EISSN : 25411713     DOI : -
Core Subject : Science, Education,
Earth & Planetary Sciences Education Materials Science & Nanotechnology Physics
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 510 Documents
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Identifikasi Gugus SiHx (x=1, 2 dan 3) pada Silikon Berpori dari Substrat Si (111) Tipe-P Sudiana, I Nyoman
Jurnal Fisika FLUX Vol 7, No 2 (2010): Jurnal Fisika Flux Edisi Agustus 2010
Publisher : Lambung Mangkurat University Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/flux.v7i2.3084

Abstract

The study of identification of functional group SiHx (x=1, 2, 3) to typepSi (111) made by anodizatied silicon wafer in 0,3 ohm-cm hydrofluoric (HF) hasbeen conducted. The objective of the research is to determine the effects of HFconcentrations and anodization time on PS functional groups. HF concentrationwas varied to 10%, 20%, 30% and 40% the anodization time was varied to 10,20, 40 and 60 minutes respectly. While the anodization it was used a magneticstirrer to keep the homogenity of the solution. The existence of SiH groups ischaracterized by FTIR spectrofotometer. The results shows that SiH groupfunctional appears around absorbtion area of 2112-2100 cm-1, 920-890 cm-1and 856 cm-1. Where as the longer time anodization the fewer of SiH groupsformed.
Simulasi Perambatan Gelombang Georadar (GPR) pada Suatu Media Berlapis Suprianto, Agus
Jurnal Fisika FLUX Vol 6, No 1 (2009): Jurnal Fisika Flux Edisi Februari 2009
Publisher : Lambung Mangkurat University Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/flux.v6i1.3046

Abstract

The simulation of the wave propagation of the radar in the sub-surface was very important to be understood before being carried out of field acquisition,to maximize the design of the acquisition and to optimized radar gram data’s.One of the approaches in the simulation of the data was to use propagationmodeling of the electromagnetic wave by using the Finite Difference TimeDomain solution (FDTD). Modeling of electromagnetic wave propagation in theGPR requires a solution of Maxwell’s equations or present a finite-differencetime-domain (FDTD) solution of Maxwell’s that permit accurate computation ofthe radiated field from a transmitting antenna. Propagating through the air-earthinterface, scattering by subsurface targets and reception of the scattered fieldsby receiving antenna. This technique is second-order accurate in time andfourth-order accurate in space. In this paper, I demonstrate the synthetic radargram by applying this technique to two-dimensional examples from a subsurfaceof stratified media.
Sistem Pengukur Suhu Simultan untuk Aplikasi Pemantauan Suhu Tubuh Pasien di Rumah Sakit Sutisna, Sutisna; Misto, Misto; Hardianto, Hardianto
Jurnal Fisika FLUX Vol 7, No 1 (2010): Jurnal Fisika Flux Edisi Februari 2010
Publisher : Lambung Mangkurat University Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/flux.v7i1.3071

Abstract

An electronic monitoring system has been created for monitoringpatients condition simultaneously. The temperature was converted to the voltageby a temperature sensor consisting of an NTC (negative temperature coefficient)thermistor and the additional circuit that its output voltage change following thechange of thermistor resistance. The number of temperature sensor circuit isused as much as ten. The coverage of temperature measurements were in therange 35oC to 41oC. The main control system was done by Labjack UE9 workingbased program that created in LabVIEW 8.0 software. The result showed that thesystem works well, seen from the accuracy value reached more than 99%(discrepancy (D) less than 0.6%) and precision levels obtained from three timesretrieval of data also amounts to more than 99% (relative uncertainty (I) less than0.6%).
Penerapan Model Predict Observe Explain Dengan Pendekatan Learning By Doing Untuk Meningkatkan Hasil Belajar Siswa Herniati, Reni; Sulistri, Emi; Rosdianto, Haris
Jurnal Fisika FLUX Vol 14, No 2 (2017): Jurnal Fisika FLUX Edisi Agustus 2017
Publisher : Lambung Mangkurat University Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/flux.v14i2.4269

Abstract

Penelitian ini bertujuan untuk mengkategorikan peningkatan hasil belajar siswa setelah diterapkan model pembelajaran Predict Observe Explain dengan pendekatan Learning by Doing pada materi wujud zat. Jenis penelitian ini adalah penelitian kuantitatif dengan bentuk pre-eksperiment design dengan desain penelitian one group pretest posttest design. Subjek dalam penelitian ini adalah seluruh siswa kelas VII di salah satu MTs. di kota Singkawang dengan teknik pengambilan sampel berupa teknik sampling jenuh. Peningkatan hasil belajar siswa diukur menggunakan alat ukur tes berupa 12 soal pilihan ganda tentang hasil belajar yang sebelumnya telah diujicobakan dengan reliabilitas 0,42 berada pada kategori cukup. Peningkatan hasil belajar siswa yang dianalisis dengan N-gain sebesar 0,75 berada pada kategori tinggi.
PEMETAAN KETEBALAN LAPISAN PENUTUP BATU GAMPING BAHAN BAKU SEMEN MENGGUNAKAN METODE GEOLISTRIK KONFIGURASI SCHLUMBERGER Saputro, Setiyawan Adi; Darsono, Darsono; Legowo, Budi
Jurnal Fisika FLUX Vol 11, No 2 (2014): Jurnal Fisika FLUX Edisi Agustus 2014
Publisher : Lambung Mangkurat University Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/flux.v11i2.2680

Abstract

ABSTRAK. Penelitian geolistrik resistivitas untuk mengetahui struktur bawah permukaan serta kedalaman dari batu gamping di Daerah Paciran Kabupaten Rembang Jawa Tengah telah dilakukan menggunakan konfigurasi Schlumberger. Pengambilan data sebanyak sembilan belas titik sounding dengan bentangan AB/2 sejauh 150 m. Peralatan yang digunakan diantaranya yaitu seperangkat resistivitymeter OYO MODEL 2119C MCOHM-EL. Pertama pengolahan data yaitu menggunakan software IP2Win untuk mengetahui kedalaman dan ketebalan lapisan secara vertikal. Kedua, hasil interpretasi VES menjadi masukan software RockWork 14 dalam membuat cross section. Hasilnya menunjukan terdeteksi 3 lapisan batuan yang diduga sebagai top soil, batu gamping dengan kandungan MgO tinggi dan batu gamping dengan kandungan CaO tinggi. Lapisan top soil terdeteksi dengan ketebalan antara 0,140–1,53 m. Sedangkan lapisan kedua diduga sebagai lapisan batu gamping dengan kandungan MgO tinggi terdeteksi dengan ketebalan antara 2,16–10,3 m. Dengan demikian, kedalaman lapisan batu gamping dengan CaO tinggi terdeteksi pada kedalaman 2,30–10,3 m. Hal ini menunjukan pada bagian Timur kedalaman batu gamping dengan kandungan CaO tinggi lebih dalam dibandingkan bagian Barat. Namun kedalaman paling dalam pada bagian Timur Laut dan Tenggara. Pada bagian tengah kedalaman lebih dalam dari yang diperoleh pada bagian Barat pada lokasi penelitian, tapi tidak sedalam pada bagian Timur Laut dan Tenggara. Kata kunci: Geolistrik, batu gamping, Rembang
Alternatif Penanggulangan Kekeringan Pada Lahan Sawah Tadah Hujan dengan Menggunakan Pompa Air Sistem Fotovoltaic Johan, Henny
Jurnal Fisika FLUX Vol 7, No 1 (2010): Jurnal Fisika Flux Edisi Februari 2010
Publisher : Lambung Mangkurat University Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/flux.v7i1.3073

Abstract

Telah dilakukan penelitian untuk mencari lokasi konsentrasi air tinggi diareal sawah tadah hujan Desa Pekik Nyaring, Kabupaten Bengkulu Utara denganmetode Geolistrik. Setelah lokasi konsentrasi air ditemukan dengan kedalaman ±5m kemudian dilakukan penggalian pada lokasi tersebut kemudian airnyadiangkat ke permukaan dengan pompa system fotofoltaic. Dari hasil penelitian, diareal sawah tadah hujan tersebut terdapat lokasi yang konsentrasi airnya tinggi.System fotofotaic berhasil membangkitkan energi listrik sebesar ± 150 watt yangberasal dari energi matahari. Energi listrik ini digunakan untuk mengalirkan air darilokasi konsentrasi air tinggi dan kemudian mengairi areal persawahan.
Upaya Meningkatkan Hasil Belajar Mahasiswa Pada Matakuliah Fisika Modern Melalui Pendekatan Konstruktivisme Model Pembelajaran Kooperatif Tipe Jigsaw Hadi, Arif Ismul; Samdara, Rida
Jurnal Fisika FLUX Vol 6, No 2 (2009): Jurnal Fisika Flux Edisi Agustus 2009
Publisher : Lambung Mangkurat University Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/flux.v6i2.3055

Abstract

The purpose of this research is increase of to study result in ModernPhysics course with constructivism approaching of cooperative model jigsawtype. The results show that application of cooperative model jigsaw type can beincreasing to study result with average value added percent is 2.57% (67.61-69.35) and study comprehensiveness is 37.64% (58.1%-70.79%), studentactivity in Modern Physics education involving lectures increase in good category(28.5 average). The topics in the matter can be increasing to absorb power ofstudent.
Studi Perhitungan Benchmark Kritikalitas Teras Metalik dan MOX di FCA Zuhair, Zuhair; Sembiring, Tagor M.; Yazid, Putranto Ilham
Jurnal Fisika FLUX Vol 8, No 2 (2011): Jurnal Fisika Flux Edisi Agustus 2011
Publisher : Lambung Mangkurat University Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/flux.v8i2.3118

Abstract

The criticality experiments at FCA three cores have been done to obtainreliable original data as a benchmark test. The first two cores was mock-up of metallicfueled LMFBR’s and the other was a mock-up of a MOX fueled LMFBR. The criticalitycalculation of FCA cores was performed by using the Monte Carlo transport codeMCNP-4C in 2-D R-Z reactor geometry. The analysis was done with ENDF/B-VIcontinuous energy neutron cross-section library at room temperature. The MCNP-4Ccriticality prediction (keff) for metallic (XVI-1 and XVI-2) cores were underestimated in0.54% and 0.48%, respectively. The MCNP-4C criticality prediction (keff) for MOX(XVII-1) core showed best agreement with the experimental data where C/E value was0.99995. In general, it can be concluded that MCNP-4C calculations on FCA criticalitybenchmark experiments show a high accuracy for metallic as well as MOX cores.
Implementasi Universal Krigging 3 Dimensi Berbasis World Wind Nasa SDK Farhamsa, Dedy
Jurnal Fisika FLUX Vol 9, No 1 (2012): Jurnal Fisika Flux Edisi Februari 2012
Publisher : Lambung Mangkurat University Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/flux.v9i1.3137

Abstract

Universal Krigging sebagai salah satu metode standar dalam geostastik diimplementasikan secara luas dalam sistem informasi geografis. Penyajian hasil kontur baik segi performa, grafis 2D/3D, user-friendly dan sebagainya adalah tantangan tersendiri bagi bidang komputasi. Dalam penelitian ini, universal Krigging diimplementasikan dalam globe virtual menggunakan World Wind Nasa SDK dan menghasilkan layer 3-dimensi diatas topografi bumi. Secara visualisasi, hasil penelitian dapat memberikan informasi yang lebih baik kepada user sedangkan dari segi keakuratan analisis, metode ini menghasilkan korelasi diatas 90% untuk jumlah data pengukuran minimal 7 titik.
Perbandingan Setiap Kontur Transfomasi Pada Anomali Magnetik Untuk Identifikasi Sesar (Studi Kasus : Sesar Toru Pada Great Sumatera Fault) Simanjuntak, Andrean Vesalius Hasiholan; Jihad, Abdi
Jurnal Fisika FLUX Vol 14, No 2 (2017): Jurnal Fisika FLUX Edisi Agustus 2017
Publisher : Lambung Mangkurat University Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/flux.v14i2.3835

Abstract

Toru fault is one part of the Great Sumatran Fault, which is actively moving every year. These activities cause severe damage and cause fatalities too, therefore the best step is to know and identify the fault. From there, we can learn how to mitigate before and after the earthquake. For that reason, the geophysical method is the right step to do, because the results can describe the surface and subsurface state of a region. Geomagnetic method is one of the geophysical methods that can explain the subsurface conditions in an area. This method is based on the difference of positive and negative closures, which indicates the presence of two poles, and an indication of the existence of a different layer. The data in this study were obtained from the data of CHAMP Satellite, which measures field to the distance between grid to another grid is 3.8 km. The method which used for this research is transformation techniques on magnetic field anomalies. From there, we will know the difference characteristics of each transformation. The results show that each graph on the transformation to the pole, which is given 4 lines, follows the movement of the fracture. The graph on the first line has an anomalous range of -20 nT - 80 nT. In the second line, the range of anomalies obtained ranges from -50 nT - 250 nT. On the third line, the range of anomalies obtained is about -250 nT - 150 nT. On the fourth line, the anomaly range obtained is -200 nT - 200 nT.

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