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M. Ishii, D. Ohta, M. Uehara, Y. Kimishima
Procedia Engineering, Volume 36, 2012
Abstract
Multiferroic BaTiO3 with vacancies was reported. BaTiO3 (BTO) nano-particles with the diameter of 15 nm were prepared by mechanical milling using planetary ball mill from the commercial BTO. Rotation speeds were selected as 0, 100, 150, 200, 250 and 300 rpm. Magnetization was measured by SQUID magnetometer. The 250 rpm sample showed the maximal saturation magnetization Ms. The 300 rpm sample showed less Ms than that of 250 rpm sample. The Ms of 250 rpm sample is tenth larger than the result by previous studies.
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