P-23: Solution-processed amorphous lanthanum indium zinc oxide thin-film transistors

Doo Na Kim, Dong Lim Kim, Gun Hee Kim, Si Joon Kim, Hyun Jae Kim

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

In this work, we introduce a solution-processed amorphous lanthanum indium zinc oxide (LIZO) TFT. From the characteristic variation of LIZO films according to La atomic percentage, it was confirmed that additive La atoms suppress the carrier generation by reducing oxygen vacancies. LIZO TFT was optimized at La 5% and its channel mobility, threshold voltage, s-factor, and on-off ratio were 2.64 cm 2/Vs, 7.86 V, 0.6 V/dec, and ∼10 6, respectively. From these results, as substitution material of gallium in IGZO, lanthanum can be used for one of the candidates of carrier controller in IZO system.

Original languageEnglish
Pages (from-to)1308-1311
Number of pages4
JournalDigest of Technical Papers - SID International Symposium
Volume41 1
Publication statusPublished - 2010 May 1

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Lanthanum
Thin film transistors
Zinc oxide
Indium
Oxide films
Gallium
Oxygen vacancies
Threshold voltage
Substitution reactions
Atoms
Controllers

All Science Journal Classification (ASJC) codes

  • Engineering(all)

Cite this

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abstract = "In this work, we introduce a solution-processed amorphous lanthanum indium zinc oxide (LIZO) TFT. From the characteristic variation of LIZO films according to La atomic percentage, it was confirmed that additive La atoms suppress the carrier generation by reducing oxygen vacancies. LIZO TFT was optimized at La 5{\%} and its channel mobility, threshold voltage, s-factor, and on-off ratio were 2.64 cm 2/Vs, 7.86 V, 0.6 V/dec, and ∼10 6, respectively. From these results, as substitution material of gallium in IGZO, lanthanum can be used for one of the candidates of carrier controller in IZO system.",
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P-23 : Solution-processed amorphous lanthanum indium zinc oxide thin-film transistors. / Kim, Doo Na; Kim, Dong Lim; Kim, Gun Hee; Kim, Si Joon; Kim, Hyun Jae.

In: Digest of Technical Papers - SID International Symposium, Vol. 41 1, 01.05.2010, p. 1308-1311.

Research output: Contribution to journalArticle

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