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

Title
Theoretical and experimental studies on the electronic structure of crystalline and amorphous ZnSnO3 thin films
Authors
이주휘조덕용정지심김언기라상호황철성최정혜
Keywords
ZnSnO3; ab-initio calculations; O K-edge X-ray
Issue Date
2013-06
Publisher
Applied physics letters
Citation
VOL 102, NO 24, 242111-1-242111-5
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.
URI
http://pubs.kist.re.kr/handle/201004/45052
ISSN
00036951
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KIST Publication > Article
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