| CPC C23C 16/45553 (2013.01) [C23C 16/18 (2013.01)] | 7 Claims |

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1. A thin-film forming raw material, comprising an
![]() alkoxide compound represented by the following general formula (1):
where
R1 is a sec-butyl group,
R2 is a sec-butyl group,
R3 is a sec-butyl group,
R4 is a sec-butyl group,
M represents a rare earth metal atom, and
“n” represents a valence of the rare earth metal atom.
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