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RPCVD SILICON NITRIDE PASSIVATION OF INGAASP WITH TEMPERATURE RAMPING DURING DEPOSITION

机译:沉积过程中温度升高将RPCVD硅氮化物钝化

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摘要

In this paper, we have demonstrated the temperature ramping technique during RPCVD SiN_x deposition for InP/InGaAsP structure. Devices with InP-based material are degraded by PECVD SiN_x passivation, mainly because InP and InGaAsP suffer the preferential etching of phosphorus by NH_3 plasma at the conventional deposition temperature. By the measurement of photoluminescence for SiN_x-passivated InGaAsP and the reverse current of InGaAsP/InP p-n junction diodes, this technique of RPCVD SiN_x passivation have been confirmed as a useful passivation method for InP-based devices.
机译:在本文中,我们已经证明了InP / InGaAsP结构在RPCVD SiN_x沉积过程中的温度升高技术。具有InP基材料的器件会因PECVD SiN_x钝化而退化,这主要是因为InP和InGaAsP在常规沉积温度下会受到NH_3等离子体对磷的优先刻蚀。通过测量SiN_x钝化的InGaAsP的光致发光和InGaAsP / InP p-n结二极管的反向电流,已证实这种RPCVD SiN_x钝化技术是基于InP的器件的一种有用的钝化方法。

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