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All Journal Jurnal Sains dan Seni ITS Jurnal Neutrino Teknosains: Media Informasi Sains dan Teknologi JOURNAL ONLINE OF PHYSICS Jurnal Pendidikan Fisika KONSTAN - JURNAL FISIKA DAN PENDIDIKAN FISIKA Jurnal Fisika dan Terapannya
Rani, Sefrilita Risqi Adikaning
Universitas Islam Negeri Alauddin Makassar
Agriculture, Biological Sciences & Forestry Arts Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Education Physics

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Journal : KONSTAN - JURNAL FISIKA DAN PENDIDIKAN FISIKA

 1 
K0.5Na0.5VO3-SiO2 Co-sintering Agent of Ceramic Mg0.8Ti0.2O3 as Dielectric Material Candidate Sefrilita Risqi Adikaning Rani; Ika Widya Wahyuningsih; Cindi Regita Cahyani
KONSTAN - JURNAL FISIKA DAN PENDIDIKAN FISIKA Vol 8 No 01 (2023): KONSTAN (Jurnal Fisika dan Pendidikan Fisika)
Publisher : Universitas Islam Negeri (UIN) Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20414/konstan.v8i01.251

Abstract

This paper focuses on the characteristics of K0.5Na0.5VO3 (KNV) and SiO2 when added to Mg0.8Zn0.2TiO3 (MZT) material to reduce the sintering temperature. Initially, a single phase of Mg0.8Zn0.2TiO3 (MZT) was synthesized using the conventional solid-state reaction method at 850°C for 4 hours. Subsequently, (K0.5Na0.5)VO3 was formed as a single phase at a temperature of 500°C for 2 hours. The reduction of MZT sintering temperature was then carried out by adding K0.5Na0.5VO3 and SiO2 and sintering at 950°C for 4 hours. Adding K0.5Na0.5VO3 and SiO2 resulted in a maximum density value of 2.76 g/cc and an average grain size of 3 µm based on scanning electron microscopy (SEM) analysis. The optimal composition was found to be 0.7MZT-0.25KNV-0.05SiO2. X-ray diffraction (XRD) characterization using the Rietveld method revealed the presence of three phases: (Mg/Zn)TiO3, (K/Na)VO3, and MgTi2O5. Based on the results, it can be concluded that the (K/Na)VO3-SiO2 material can be effectively utilized as a sintering agent for (Mg/Zn)TiO3, reducing the sintering temperature of the material.
Composite of Hemp Fiber and Lead Acetate Epoxy Resin as an Alternative X-Ray Radiation Shielding Material Nurlinda Jusli; Sri Zelviani; Sefrilita Risqi Adikaning Rani; Hernawati Hernawati; Asriani Asriani; Sulaiman Yahirah Muhammad; Dwi Febri Isradati
KONSTAN - JURNAL FISIKA DAN PENDIDIKAN FISIKA Vol 8 No 01 (2023): KONSTAN (Jurnal Fisika dan Pendidikan Fisika)
Publisher : Universitas Islam Negeri (UIN) Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20414/konstan.v8i01.252

Abstract

Research on hemp fiber composites with epoxy resin matrix and lead acetate as an alternative material for X-ray radiation shielding has been conducted to determine the optimal composition of radiation shielding samples made from hemp fiber, epoxy resin, and lead acetate. The method used to make composite samples with six different designs, namely using a ratio of 4 gams, eight gams, and 12 gams of hemp fiber to 80 gams and 160 gams of resin. The lead acetate used in each composition is 2.5 gams. This study carried out three measurement processes: density, attenuation, and absorption. Density measurements were carried out by measuring the volume and mass of the sample. In contrast, attenuation and absorption measurements were carried out using a mobile X-ray aircraft with a Piranha multi-X-ray meter detector. In the three measures, the highest value was obtained in composition VI, namely with 12 gams of hemp fiber, 160 gams of epoxy resin, 80 gams of catalyst, and 2.5 gams of lead astate. The density value obtained was 1.120 g/cm3. The sample with this composition can absorb 71.22% (1.24580 cm-1) of radiation at 40 kV, absorb 66.91% (1.10621 cm-1) at 60 kV and 60.22% (0.92191 cm-1) of radiation absorbed at 81 kV voltage. Therefore, it can be concluded that the higher resin and hemp used, the more excellent density value obtained—the geater density of the sample, the geater value of attenuation and absorption.
Co-Authors Ananda Anindia Putri Asriani Asriani Cindi Regita Cahyani Dirwan Dirwan Dwi Febri Isradati Fira Yurdanianti fitriyanti fitriyanti Hernawati Hernawati Hernawati HERNAWATI HERNAWATI Hernawati Hernawati Hernawati Hernawati Ika Widya Wahyuningsih Kurniati Abidin M. Said L Muh. Said L Muh. Yusuf Nidya Lena Fitriah Laksana Nuraeni Nuraeni Nurhidayah Nurhidayah Nurlailiyah Isnaini Nurlinda Jusli Prasepvianto Estu Broto Rahmaniah Ilham Rahmaniah Rahmaniah Rahmaniah Rahmaniah RAHMANIAH RAHMANIAH ratih ratih Sri Zelviani Suasmoro Suasmoro Sulaiman Yahirah Muhammad