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Mechanochemical synthesis of FeSbO4-based materials from FeOOH and Sb2O5 powders

✍ Scribed by Takatoshi Tojo; Qiwu Zhang; Fumio Saito

Publisher: Elsevier Science
Year: 2008
Tongue: English
Weight: 547 KB
Volume: 181
Category: Article
ISSN: 0032-5910
DOI: 10.1016/j.powtec.2007.05.013

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✦ Synopsis

Iron antimony oxide (FeSbO 4 ) with specific surface area (SSA) over 50 m 2 /g was synthesized mechanochemically by milling a mixture of iron oxy-hydroxide (FeOOH) and antimony pentoxide (Sb 2 O 5 ) using a planetary ball mill at room temperature. The mechanochemical reaction proceeds with an increase in milling time and has been completed by 120 min. The prepared product powders are in the state of agglomerates consisted of fine particles of several dozen nanometers. This method has been extended to synthesis of FeSbO 4 -based materials with different Fe/Sb atomic ratios (1 ≤ Fe/Sb ≤ 4). The SSA value of these prepared samples is in the range of 50 to 65 m 2 /g.

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