The relation between deposition conditions of Bi and Mn layers and crystal growth of MnBi were investigated to reduce the MnBi annealing temperature for its application to a magneto-optical disk. We found that higher c-axis orientation of the hexagonal Bi layer and lower Mn oxide concentration in the Mn layer reduces the annealing temperature. Growth of MnBi below 150/spl deg/C, which is much lower than the decomposition temperature of photo-polymer (about 200/spl deg/C), was achieved by optimizing deposition conditions of Bi and Mn layers.>
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Nakada et al. (1994) studied this question.
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