Theoretical and experimental studies on the electronic structure of crystalline and amorphous ZnSnO3 thin films

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Title
Theoretical and experimental studies on the electronic structure of crystalline and amorphous ZnSnO3 thin films
Author(s)
Joohwi Lee; Deok-Yong Cho; Jisim Jung; Un Ki Kim; Sang Ho Rha; Cheol Seong Hwang; Jung-Hae Choi
Publication Date
2013-06
Journal
APPLIED PHYSICS LETTERS, v.102, no.24, pp.242111 -
Publisher
AMER INST PHYSICS
Abstract
The influence of structural disorder on the electronic structure of amorphous ZnSnO3 was examined by ab-initio calculations. The calculation results are compared with the experimental results using as-deposited and annealed ZnSnO3 films grown by atomic layer deposition. The O K-edge X-ray absorption spectroscopy, X-ray diffraction, and thin-film transistors were employed in the experiment. The conduction band minima of amorphous and crystalline ZnSnO3 mainly consisted of Sn 5s state, while a higher non-uniform localization of these states was observed in the amorphous phase compared with the crystalline counterpart. The experimental results coincide well with the theoretical results.(C) 2013 AIP Publishing LLC.
URI
https://pr.ibs.re.kr/handle/8788114/1305
ISSN
0003-6951
Appears in Collections:
Center for Correlated Electron Systems(강상관계 물질 연구단) > Journal Papers (저널논문)
Files in This Item:
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