2020 年 140 巻 3 号 p. 131-135
Pre-annealing process in the metal-organic decomposition (MOD) method for Bi-substituted Nd magnetic garnet films was studied. In this paper, we report on crystallinity and magneto-optical (MO) properties of Nd2BiFe4Ga1O12 and Nd0.5Bi2.5Fe5O12 thin films prepared with pre-annealing temperatures of 250 - 500ºC and annealing temperature of 650ºC. Decomposition process of metal carboxylates in the MOD solutions were investigated by means of FT-IR measurement for pre-annealed thin films. It was found that, good crystallinity and MO property were obtained for the thin films prepared with the pre-annealing temperatures of 350 - 450ºC, in which alkyl group was decomposed, while -COO- was remained.
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