Effect of post-deposition annealing on the structural, optical and electrical properties of IGZO films

IGZO thin films were deposited on glass substrates via RF magnetron co-sputtering with In 2 O 3 and GZO targets. The films were then vacuum annealed at 100°C, 200°C and 300°C for 30 minutes to investigate the effects of the annealing temperature on the structural, electrical, and optical properties...

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Published inElectronic materials letters Vol. 11; no. 3; pp. 481 - 484
Main Authors Jeon, Jae-Hyun, Gong, Tae-Kyung, Kong, Young-Min, Lee, Hak Min, Kim, Daeil
Format Journal Article
LanguageEnglish
Published Seoul The Korean Institute of Metals and Materials 01.05.2015
대한금속·재료학회
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ISSN1738-8090
2093-6788
DOI10.1007/s13391-014-4410-1

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Abstract IGZO thin films were deposited on glass substrates via RF magnetron co-sputtering with In 2 O 3 and GZO targets. The films were then vacuum annealed at 100°C, 200°C and 300°C for 30 minutes to investigate the effects of the annealing temperature on the structural, electrical, and optical properties of the films. Although XRD patterns demonstrated that all films had an amorphous phase regardless of annealing temperature, electrical resistivity decreased to as low as 3.2 × 10 -4 Ω cm at an annealing temperature of 300°C. The optical transmittance in the visible wavelength region also improved from 80 to 83%. The figure of merit shows that IGZO films annealed at 300°C have the higher optical and electrical performance than other films prepared under different conditions in this study.
AbstractList IGZO thin films were deposited on glass substrates via RF magnetron co-sputtering with In 2 O 3 and GZO targets. The films were then vacuum annealed at 100°C, 200°C and 300°C for 30 minutes to investigate the effects of the annealing temperature on the structural, electrical, and optical properties of the films. Although XRD patterns demonstrated that all films had an amorphous phase regardless of annealing temperature, electrical resistivity decreased to as low as 3.2 × 10 -4 Ω cm at an annealing temperature of 300°C. The optical transmittance in the visible wavelength region also improved from 80 to 83%. The figure of merit shows that IGZO films annealed at 300°C have the higher optical and electrical performance than other films prepared under different conditions in this study.
IGZO thin films were deposited on glass substrates via RF magnetron co-sputtering with In2O3 and GZO targets. The films were then vacuum annealed at 100°C, 200°C and 300°C for 30 minutes to investigate the effects of the annealing temperature on the structural, electrical, and optical properties of the films. Although XRD patterns demonstrated that all films had an amorphous phase regardless of annealing temperature, electrical resistivity decreased to as low as 3.2 × 10−4 Ω cm at an annealing temperature of 300°C. The optical transmittance in the visible wavelength region also improved from 80 to 83%. The figure of merit shows that IGZO films annealed at 300°C have the higher optical and electrical performance than other films prepared under different conditions in this study. KCI Citation Count: 22
Author Lee, Hak Min
Gong, Tae-Kyung
Kim, Daeil
Kong, Young-Min
Jeon, Jae-Hyun
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  fullname: Gong, Tae-Kyung
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  fullname: Kim, Daeil
  email: dkim84@ulsan.ac.kr
  organization: School of Materials Science and Engineering, University of Ulsan
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Keywords RF magnetron sputtering
annealing temperature
In and Ga doped zinc oxide
figure of merit
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대한금속·재료학회
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Snippet IGZO thin films were deposited on glass substrates via RF magnetron co-sputtering with In 2 O 3 and GZO targets. The films were then vacuum annealed at 100°C,...
IGZO thin films were deposited on glass substrates via RF magnetron co-sputtering with In2O3 and GZO targets. The films were then vacuum annealed at 100°C,...
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SubjectTerms Characterization and Evaluation of Materials
Chemistry and Materials Science
Condensed Matter Physics
Materials Science
Nanotechnology
Nanotechnology and Microengineering
Optical and Electronic Materials
Original Article
전자/정보통신공학
Title Effect of post-deposition annealing on the structural, optical and electrical properties of IGZO films
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