Abstract:
Described herein are compositions for depositing a carbon-doped silicon containing film wherein the composition comprises a first precursor comprising at least one compound selected from the group consisting of: an organoaminoalkylsilane having a formula of R5Si(NR3R4)xH3-x wherein x=1, 2, 3; an organoalkoxyalkylsilane having a formula of R6Si(OR7)xH3-x wherein x=1, 2, 3; an organoaminosilane having a formula of R8N(SiR9(NR10R11)H)2; an organoaminosilane having a formula of R8N(SiR9LH)2 and combinations thereof; and optionally a second precursor comprising a compound having the formula: Si(NR1R2)H3. Also described herein are methods for depositing a carbon-doped silicon-containing film using the composition wherein the method is one selected from the following: cyclic chemical vapor deposition (CCVD), atomic layer deposition (ALD), plasma enhanced ALD (PEALD) and plasma enhanced CCVD (PECCVD).
Abstract translation:本文描述了用于沉积含碳掺杂硅的膜的组合物,其中组合物包含第一前体,其包含至少一种选自下组的化合物:具有式R 5 Si(NR 3 R 4)x H 3-x的有机氨基烷基硅烷,其中x = 1, 2,3; 具有式R6Si(OR7)xH3-x的有机烷氧基烷基硅烷,其中x = 1,2,3; 具有式R 8 N(SiR 9(NR 10 R 11)H)2的有机氨基硅烷; 具有式R8N(SiR9LH)2的有机氨基硅烷及其组合; 和任选地包含具有下式的化合物的第二前体:Si(NR1R2)H3。 本文还描述了使用该组合物沉积碳掺杂含硅膜的方法,其中所述方法选自以下:循环化学气相沉积(CCVD),原子层沉积(ALD),等离子体增强ALD(PEALD)和 等离子增强CCVD(PECCVD)。