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All Journal Jurnal Sains Materi Indonesia
Mashuri Mashuri
Dept. of Physics, Fac. of Math. and Natural Sciences-Sepuluh November Institute of Tech. Surabaya Kampus ITS Sukolilo, Surabaya 60111, Indonesia
Materials Science & Nanotechnology

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PHASE TRANSITION IN Fe3O4 /Fe2O3 NANOCOMPOSITES BY SINTERING PROCESS Muhammad Ghufron; Malik Anjelh Baqiya; Mashuri Mashuri; Triwikantoro Triwikantoro; Darminto Darminto
Jurnal Sains Materi Indonesia Vol 12, No 2: FEBRUARI 2011
Publisher : Center for Science & Technology of Advanced Materials - National Nuclear Energy Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (238.134 KB) | DOI: 10.17146/jsmi.2011.12.2.4600

Abstract

PHASE TRANSITION IN Fe3O4/Fe2O3 NANOCOMPOSITES BY SINTERING PROCESS. Fe3O4 powders have been successfully produced by using coprecipitation method. The characterization using X-Ray Diffraction method resulted in the size of Fe3O4 powders of 9.1 ± 0.3 nm. Samples were then formed into pellete and powders. Heat treatment at temperature 600 oC of powder samples for 1 hour and 2 hours give maghemite and hematite phases, but heat treatment at temperature 700-800 oC for 1 hour, 2 hours and 3 hours give only one phase namely hematite. Heat treatment at temperature 600 oC, 700 oC and 800 oC of pelletes for 1 hour, 2 hours and 3 hours give also only one phase which is hematite. Quantitative analysis using MAUD program resulted in Fe3O4/Fe2O3 composites with changing crystal size at increasing temperature.
Co-Authors Darminto Darminto Malik Anjelh Baqiya Muhammad Ghufron Triwikantoro Triwikantoro