Journal of Tropical Pharmacy and Chemistry
Vol. 1 No. 1 (2010): Journal of Tropical Pharmacy and Chemistry

Sintesis Oksida Aurivillius Sr2Bi4Ti5-xFexO18 (x = 0,25; 0,5; 0,75; dan 1)

Rolan Rusli (Laboratorium Penelitian dan Pengembangan "Farmaka Tropis", Fakultas Farmasi, Universitas Mulawarman, Samarinda, Kalimantan Timur, Indonesia)
Ismunandar Ismunandar (Kelompok Keahlian Kimia Fisik dan Anorganik, FMIPA, Institut Teknologi Bandung, Indonesia)



Article Info

Publish Date
31 Dec 2010

Abstract

Aurivillius oxides Sr2Bi4Ti5-xFexO18 have been synthesized using the solid state reaction method. Powder X-ray diffraction data were refined using Le Bail method implemented in Rietica have space group B2cb, Z = 4, and parameter cell are a = 5.542(8), b = 5.474(9), c = 48.947(1); a = 5.565(5), b = 5.491(9), c = 49,097(1); a = 5.533(7), b = 5.464(7), c = 48.595(2) and a = 5.621(1), b = 5.492(9), c = 49.78(4); respectively for x = 0.25, 0.5, 0.75, and 1. The substitution of cation Fe3+ in these Aurivillius oxides was showed increasing of magnetic moment are μ = 2.67, 3.21, 3.98, and 4.62 for x = 0.25, 0.5, 0.75, and 1 respectively. Keywords: Aurivillus oxide, solid state reaction, Le Bail method, magnetic moment ABSTRAK Oksida Aurivillius Sr2Bi4Ti5-xFexO18 telah disintesis dengan menggunakan metode reaksi kimia padat. Data difraksi sinar-x serbuk yang penghalusan strukturnya menggunakan metode rietveld dengan program rietica menunjukkan bahwa oksida ini memiliki grup ruang B2cb, Z = 4, dan parameter selnya adalah a = 5,542(8), b = 5,474(9), c = 48,947(1); a = 5,565(5), b = 5,491(9), c = 49,097(1); a = 5,533(7), b = 5,464(7), c = 48,595(2) dan a = 5,621(1), b = 5,492(9), c = 49,78(4); berturut-turut untuk x = 0.25; 0,5; 0,75; dan 1. Substitusi kation Fe3+ pada oksida Aurivillius ini menunjukkan terjadinya peningkatan momen magnet oksida ini yaitu μ = 2,67; 3,21; 3,98; dan 4,62 berturut-turut untuk x = 0,25; 0,5; 0,75; dan 1. Kata kunci: Oksida Aurivillius, reaksi kimia padat, metode Le Bail, momen magnet

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Journal Info

Abbrev

jtpc

Publisher

Subject

Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Medicine & Pharmacology Public Health

Description

Journal of Tropical Pharmacy and Chemistry is a Biannual, international, open access (Indexed in DOAJ, Crossref, SINTA, PKP Index, BASE, Moraref, Google Scholar), journal dedicated to various disciplines of pharmaceutical and allied sciences. Journal of Tropical Pharmacy and Chemistry (ISSN-p: ...