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INDONESIA
Indonesian Physical Review
Published by Universitas Mataram
ISSN : 26151278     EISSN : 26147904     DOI : -
Core Subject : Science, Education,
Education Physics
Indonesian Physical Review is a peer review journal which is managed and published by Physics Departement, Faculty of Mathematics and Natural Sciences, Universitas Mataram. This journal is published periodically three times a year, in January, May and September. IPR is Open Accsess for all readers and includes research developments in physics both experimentally and analytically. Focus and scope include Theoritical Physics, Computation, Material sciences, Instrumentation, Biophysics, Geophysics, and Optics.
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Articles 5 Documents
 1 
Search results for , issue "Vol. 3 No. 3 (2020)" : 5 Documents clear
APLIKASI METODE SELF-POTENTIAL UNTUK PEMETAAN BAWAH PERMUKAAN DI AREA KAMPUS ITK Meidi Arisalwadi; Rori Shanaz Cahyani; Atut Reni Septiana; Rahmania Rahmania; Febrian Dedi Sastrawan
Indonesian Physical Review Vol. 3 No. 3 (2020)
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/ipr.v3i3.65

Abstract

Identified subsurface composition remains one of the important things in development, such as finds out potential that is below the surface, this research in Institut Teknologi Kalimantan Campus (ITK). This study aims to identify distribute potential values and finds out the source of anomalies in the ITK Campus area. This study uses the Self-Potential method with a fixed-base technique. The data obtained in the form of potential difference (delta V) data, base potential data and measurement point coordinates. The data was corrected by daily base variation, daily correction and reference correction. After obtaining a potential value from the correction at each measurement point, the data processing was done using surfer 11 software. The results of data processing were obtained isopotential contour map and qualitative interpretation which could be seen distribution of potential different values. On the isopotential contour map, slicing of two cross sections selected indicates the source of anomaly. Anomalous potential values of 45 mV to -55 mV indicated anomalous sources namely electrolyte potential in groundwater with positive anomaly values negative up to hundreds of mV. And, there was a potential for a liquid flowwith a positive and negative anomaly ≤ 100 mV
ALTERNATIVE FORMULATION OF PHYSICAL LAWS OF MOTION I Wayan Sudiarta
Indonesian Physical Review Vol. 3 No. 3 (2020)
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/ipr.v3i3.66

Abstract

The purpose of this paper is to present a logical, consistent and understandable alternative formulation of physical laws of motion. This paper gives also a different view and understanding of physical laws of motion. This new point of view gives a deeper understanding about our universe. The central idea of this formulation is the concept of momentum and its conservation. This idea is emphasized in this paper. It is shown that Newton's laws of motion are given as a consequence of the law of conservation of momentum.
STRUCTURAL AND MORPHOLOGICAL INVESTIGATION OF FUNCTIONALIZED REDUCED GRAPHENE OXIDE-MULTI WALLED CARBON NANOTUBES NANOCOMPOSITE Chandramani Upadhyay; Hanzala Shahzad; Mehreen Javid; Bhumika Soni; Tameem Ahmad; Kashif Azmi; Md Arshad Ali; Firdaus Ali
Indonesian Physical Review Vol. 3 No. 3 (2020)
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/ipr.v3i3.61

Abstract

2D materials like Graphene and its composite has emerged as most valuable and major concern because of their peculiar properties in field of nanotechnology in past few decades. Herein, we report the effective technique for the synthesis of functionalized r-GO/MWCNTs nanocomposite using probe sonication. The synthesized samples were tested via XRD, FESEM, FTIR and Raman Spectroscopy. X-ray diffraction technique was used for the structural analysis of the samples which revealed that most prominent peak was observed around 2θ~26°. Surface morphology of the samples were studied via FESEM, which revealed that r-GO layers were wrapped around the MWCNTs. Raman spectra were recorded for the determination of quality of r-Go and MWCNT via the position and intensity of D and G band. The various functionalities present on the samples were identified via FTIR spectra.
SYNTHESIS OF CdS NANOPARTICLES BY CHEMICAL Co-PRECIPITATION METHOD AND ITS COMPARATIVE ANALYSIS OF PARTICLE SIZE VIA STRUCTURAL AND OPTICAL CHARACTERIZATION Syed Kaabir Ali; Henna Wani; Chandramani Upadhyay; K.S.S.N. Sai Madhur; Imran Khan; Sabia Gul; Nushrat Jahan; Firdaus Ali; Salim Hussain; Kashif Azmi
Indonesian Physical Review Vol. 3 No. 3 (2020)
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/ipr.v3i3.64

Abstract

CdS is an important wide bandgap chalcogenides most popularly studied for various optoelectronics and biosensing applications. In this study, CdS Nanoparticles (NPs) have been prepared successfully by chemical co-precipitation method, using cadmium acetate and sodium sulphide as precursors. A comparative study of average particle size calculated by Scherrer Plot, Uniform Deformation Model (UDM), Dynamic Light Scattering (DLS) analysis and Brus Model has been done here. The structural and optical behaviour of synthesized samples were investigated via X-ray diffraction (XRD), DLS and UV–Visible Spectroscopy. The XRD spectra of the prepared CdS NPs revealed the crystalline phase having cubic structure. The average particles size has been studied via Debye Scherrer equation and Scherrer Plot. For the theoretical calculations of particle size along with the induced lattice strain, considering the broadening effect of lattice strain, Williamson-Hall analysis was employed. Assuming the lattice strain to be isotropic in nature, UDM was applied for calculation. The particles size distribution profile in terms of volume as well as intensity was recorded using DLS analysis in ethanol medium at room temperature. Besides this, the energy bandgap was obtained by applying Tauc model in the recorded absorption spectra. The obtained value of bandgap was used in Brus model for estimating the average particle size. The obtained comparative results show that the average particle size of the prepared CdS NPs estimated from Scherrer equation, Scherrer plot, UDM plot and Brus model are almost similar and lies in the range of 2-5 nm whereas the results of DLS showed wide variation in the range of 40-600 nm.
REACTION MODEL TO PREDICT THE THERMAL DEGRADATION MECHANISM OF POLYPROPYLENE – CARBON NANOTUBE COMPOSITE Alauddin .; Azhar Khan; Imran Ahmad
Indonesian Physical Review Vol. 3 No. 3 (2020)
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/ipr.v3i3.62

Abstract

The degradation of polymer is known, but the effect of CNT composite is the less studied concept. In this article, the effect of CNT on degradation is presented. The first stage involved a literature study for reaction mechanisms in oxidative thermal degradation of Polypropylene (PP). A reaction model is then developed by considering mass balance on various reactive species. Literature is reviewed to find or estimate the model parameters. The parameters not found in the literature are fitted. The model equations are solved after assuming initial conditions and values of various parameters. After the PP polymer degradation modeling comparison drown between PP and PP/MWCNT composite by making a hypothesis based on Arrhenius equations (activation energy increases, the rate constant decreases, and therefore the rate of reaction decreases). The result shows that the CNT composite takes much time to degrade as compared to the polymer.

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