The transition between J manifolds in GdF~(3+)ions changes near infrared obsorption properties in the films.

• 还能与 Si 的悬挂键 Si_3~0键合；起补偿悬挂键的作用.；Gd~(3+)离子的角动量 J 的多重态间的跃迂吸收；改变了薄膜的近红外吸收特性