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Plasma-enhanced atomic layer deposition of SnO2 thin films using SnCl4 and O2 plasma
- Authors
- Lee, Dong-Kwon; Wan, Zhixin; Bae, Jong-Seong; Lee, Han-Bo-Ram; Ahn, Ji-Hoon; Kim, Sang-Deok; Kim, Jayong; Kwon, Se-Hun
- Issue Date
- Mar-2016
- Publisher
- Elsevier BV
- Keywords
- O2 plasma; Plasma-enhanced atomic layer deposition; SnCl4 precursor; SnO2 thin films
- Citation
- Materials Letters, v.166, pp 163 - 166
- Pages
- 4
- Indexed
- SCI
SCIE
SCOPUS
- Journal Title
- Materials Letters
- Volume
- 166
- Start Page
- 163
- End Page
- 166
- ISSN
- 0167-577X
1873-4979
- Abstract
- SnO2 thin films were deposited by plasma-enhanced atomic layer deposition (PEALD) using SnCl4 and O2 plasma at the temperature between 150 and 350 °C. The self-limiting growth of PEALD-SnO2 was confirmed by a careful study of the growth kinetics at 350 °C. At optimized growth conditions, PEALD-SnO2 exhibited a saturated growth per cycle of 0.072 nm/cycle, which is almost two times higher than that deposited by thermal ALD using SnCl4 reported earlier. Regardless of the growth temperatures, there were no Cl impurities within the films. Furthermore, the film density of rutile SnO2 was comparable to bulk density. With those favorable properties of PEALD-SnO2, the lower electrical resistivity and improved corrosion resistance of the films were obtained at 350 °C. © 2015 Elsevier B.V. All rights reserved.
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Related Researcher
- Ahn, Ji Hoon
- ERICA 첨단융합대학 (ERICA 신소재·반도체공학전공)