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Investigation of Hydrogenated Amorphous SiN_x:H Films Grown by Rapid Thermal Chemical Vapor Deposition

机译:快速热化学气相沉积生长氢化非晶SiN_x:H薄膜的研究

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Hydrogenated silicon nitride films were deposited with NH_3, SiH_4 and N_2 gas mixture at 700°C by rapid thermal chemical vapor deposition (RTCVD) system. Wafer curvature measurements were carried out at room temperature to study the SiN_x:H film stress with various deposition parameters. The NH_3/N_2 flow ratio and deposition pressure are found to influence the film stress. The stress of SiN.,:H films deposited by RTCVD is tensile, which can reach ~ 1.5 GPa in our study. The influence of the reactive gas mixture and working pressure on the film stress, in connection with its material properties, is demonstrated.
机译:通过快速热化学气相沉积(RTCVD)系统在700°C下用NH_3,SiH_4和N_2气体混合物沉积氢化的氮化硅膜。在室温下进行晶片曲率测量,以研究具有各种沉积参数的SiN_x:H薄膜应力。发现NH_3 / N_2流量比和沉积压力会影响薄膜应力。 RTCVD沉积的SiN.::H薄膜的应力是拉伸的,在我们的研究中可以达到〜1.5 GPa。结合其材料性能,证明了反应气体混合物和工作压力对薄膜应力的影响。

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