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Arbi Dimyati
Research Center for Radiation Detection and Nuclear Analysis Technology, Research Organization for Nuclear Energy, National Research and Innovation Agency, KST BJ Habibie, Jalan Raya Puspiptek, Tangerang Selatan 15314, Banten, Indonesia.
Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology

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Synthesis and Characterization of LaF3:Ce Scintillator Material Engkir Sukirman; Yustinus Purwamargapratala; Bambang Sugeng; Wahyudianingsih Wahyudianingsih; Indra Gunawan; Syahfandi Ahda; Agus Sudjatno; Arbi Dimyati
Jurnal Sains Materi Indonesia Vol. 25 No. 1 (2023): Jurnal Sains dan Materi Indonesia
Publisher : BRIN Publishing (Penerbit BRIN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/jsmi.2023.185

Abstract

Synthesis and Characterization of LaF3:Ce Scintillator Material.Synthesis and characterization of the LaF3:Ce scintillator have been carried out. Synthesis was carried out using the co-precipitation method. In this study, the raw materials used were NaF, LaCl3•7H2O, and Ce(NO3)3•6H2O with ethanol and distilled water as a solvent; while surfactants were used oleic acid. In this study, the compound LaF3:0.2Ce was synthesized. The sample was characterized by using an X-Ray Diffractometer (XRD), a Scanning Electron Microscope (SEM), and a Spectrofluorometer. The analyzed data showed that the 82.6 weight fraction of LaF3:0.2Ce phase has precipitated accompanied by the formation of NaCl and C2Ce phases of 5.1 and 12.3 weight fraction, respectively. The NaCl phase is a by-product of the chemical reaction: xLaCl3•7H2O + zCeCl3•7H2O + 3NaF → LaxCezF3 + 3NaCl + 7H2O which could be removed from the precipitate solution by an appropriate separation method, while the C2Ce one appeared as a result of heating the sample at 400ºC. The LaF3:Ce scintillator sample shows the phenomenon of a bluish glow with a lifetime, t = 6 × 10-10 seconds even in the presence of a foreign phase. The existence of NaCl and C2Ce as a local environment still makes LaF3:0.2Ce has normal lifetime characteristics.
Co-Authors Agus Sudjatno Bambang Sugeng Engkir Sukirman Indra Gunawan Syahfandi Ahda Wahyudianingsih Wahyudianingsih Yustinus Purwamargapratala