GROWTH OF UNDOPED POLYCRYSTALLINE SI BY AN ULTRAHIGH-VACUUM CHEMICAL-VAPOR-DEPOSITION SYSTEM

被引：12

作者：

LIN, HC

LIN, HY

CHANG, CY

LEI, TF

WANG, PJ

CHAO, CY

机构：

[1] NATL NANO DEVICE LAB,HSINCHU 300,TAIWAN

[2] NATL CHIAO TUNG UNIV,INST MECH ENGN,HSINCHU 300,TAIWAN

来源：

APPLIED PHYSICS LETTERS | 1993年 / 63卷 / 10期

关键词：

D O I：

10.1063/1.109674

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Deposition of undoped polycrystalline-silicon (poly-Si) films on SiO2 using an ultrahigh vacuum chemical vapor deposition system was investigated. Poly-Si films with high crystallinity were obtained at a temperature as low as 525-degrees-C. The layer growth process was found to proceed with an activation energy of 44 +/- 2 kcal/mol, and is dominated by the desorption rate of surface-bonded hydrogen atoms. An incubation time was observed prior to the film deposition. This incubation period increased with decreasing growth temperature, resulting from slower nucleation and growth rates ai lower temperatures.

引用

页码：1351 / 1353

页数：3

共 12 条

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