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나노물질 및 화학반응 연구단
나노물질 및 화학반응 연구단
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Microstructural Characteristics of Tin Oxide-Based Thin Films on (0001) Al2O3 Substrates: Effects of Substrate Temperature and RF Power During Co-Sputtering

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Title
Microstructural Characteristics of Tin Oxide-Based Thin Films on (0001) Al2O3 Substrates: Effects of Substrate Temperature and RF Power During Co-Sputtering
Author(s)
Sooyeon Hwang; Ju Ho Lee; Young Yi Kim; Myeong Goo Yun; Kwan-Hun Lee; Jeong Yong Lee; Hyung Koun Cho
Publication Date
2014-12
Journal
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY, v.14, no.12, pp.8908 - 8914
Publisher
AMER SCIENTIFIC PUBLISHERS
Abstract
While tin oxides such as SnO and SnO2 are widely used in various applications, surprisingly, only a limited number of reports have been presented on the microstructural characteristics of tin oxide thin films grown under various growth conditions. In this paper, the effects of the substrate temperature and content of foreign Zn ion on the microstructural characteristics of tin oxide thin films grown by radio-frequency magnetron sputtering were investigated. The increase in substrate temperature induced change in the stoichiometry of the thin films from SnO1+x to SnO2−x. Additionally, the phase contrast in the transmission electron microscopy image revealed that SnO1+x and SnO2−x phases were alternating in thin films and the width of each phase became narrower at high substrate temperature. The ternary zinc tin oxide thin films were deposited using the co-sputtering method. As the ZnO target power increased, the crystallinity of the thin films became poly-crystalline, and then showed improved crystallinity again with two types of phases.
URI
https://pr.ibs.re.kr/handle/8788114/835
ISSN
1533-4880
Appears in Collections:
Center for Nanomaterials and Chemical Reactions(나노물질 및 화학반응 연구단) > Journal Papers (저널논문)
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