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Size-controlled synthesis of quantum-sized EuS nanoparticles and tuning of their Faraday rotation peak
Tomoharu Kataoka1, Yasunori Tsukahara, Yasuchika Hasegawa
1Department of Material and Life Science, Division of Advanced Science and Biotechnology, Graduate School of Engineering, Osaka University, 2-1, Yamadaoka.Suita, Osaka, 565-0871, Japan.
Abstract:
Size-controlled EuS nanoparticles were synthesized by the reaction of europium metal with thiourea as a sulfur source in liq. NH3, whose surface was confirmed to be modified with thiourea by FT-IR measurement, and the opto-magnetic properties (Faraday effect) of the EuS nanoparticles were investigated by using PMMA films containing the nanoparticles, showing that their Faraday rotation peaks were adjustable by control of their particle size.
