Abstract
Abstract We investigated the electrodeposition of Fe 3 O 4 thin films in the Fe 3+ -triethanolamine system by galvanostatic deposition at elevated temperatures. It was found that with a fixed current density, the concentration of Fe 3+ ions had a significant impact on the electrodeposition rate, while the deposition temperature and time strongly affected the morphology of the Fe 3 O 4 thin films. Fe 3 O 4 thin films deposited in electrolyte with high Fe 3+ concentration and at high temperature (>80 °C) exhibited a dense and uniform morphology and were composed of globular or polyhedral crystallites, while the Fe 3 O 4 thin films deposited at low temperatures ( 3 O 4 at elevated temperatures was proposed.
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