Abstract
Nd2Fe14B films with the c-axis perpendicular to the film plane were deposited by introducing Mo (110) underlayer on the SiO 2 substrates. When the temperature of the substrate during the deposition of the Nd-Fe-B layer was 600 °C, the demagnetization curve exhibited the coercivity of Hc=11 kOe. We observed an Hc increase of up to 14 kOe by capping the film with the Nd overlayer and post-annealing at 500°C. Cross-sectional TEM observation and NBD analysis suggest that the Nd in the overlayer is in the oxide state with either cubic-NdO2 or hcp-Nd2O3 structures. © 2010 IOP Publishing Ltd.
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CITATION STYLE
Koike, K., Igarashi, S., Yamaguchi, K., Kusano, T., Miyazaki, T., Ogawa, D., … Kato, H. (2010). Effect of rare-earth overlayer on the coercivity in sputter-deposited Nd-Fe-B films. In Journal of Physics: Conference Series (Vol. 200). Institute of Physics Publishing. https://doi.org/10.1088/1742-6596/200/8/082015
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