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Amorphous silicon nitride thin films implanted with cerium ions for cathodoluminescent light source

机译:注入铈离子的非晶态氮化硅薄膜用于阴极发光光源

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摘要

Cerium ions were implanted into amorphous silicon nitride thin films, and the cathodoluminescence (CL) of the thin films was investigated. The Ce ions were distributed within a depth of around 20 nm from the surface of the amorphous silicon nitride, and they formed three kinds of cations in the thin films. By implanting the Ce ions, the CL of the films was distributed around a wavelength of 405 nm. The CL increase of more than 2.2 times compared to silicon nitride thin films was observed at 25-kV electron beam excitation. This increase was significantly enhanced by adopting a high-temperature annealing process after the cerium-ion implantation.
机译:将铈离子注入到非晶氮化硅薄膜中,并研究了薄膜的阴极发光(CL)。 Ce离子分布在距非晶氮化硅表面约20nm的深度内,并且它们在薄膜中形成了三种阳离子。通过注入Ce离子,膜的CL分布在405nm的波长附近。在25 kV电子束激发下,观察到的CL增长是氮化硅薄膜的2.2倍以上。通过在铈离子注入之后采用高温退火工艺,该增加显着增强。

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