Korean Journal of Optics and Photonics (한국광학회지)

Optical Society of Korea (한국광학회)
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Properties of indium tin oxide thin films annealed in vacuum

진공에서 열처리된 ITO 박막의 특성

  • Published : 2000.06.01
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Abstract

Post-deposition vacuum annealing effects in electron-bearn-evaporated indium tin oxide (ITO) films have been investigated by the change of transmittance, sheet resistance and crystalline structure with annealing temperature ( $200-335^{\circ}C$) and oxygen partial pressure ($1\times^10^{-5}-1$\times10^{-4} torr$) in air and vacuum. The sarnples were polycrystalline films with a preferred orientation in the (222) plan. High quality films with sheet resistance as low as 62 Q/O and transmittance over 99% (absentee layer at 500 nm) have been obtained by suitably controlling the vacuum annealing pararneters.neters.

전자빔 증착된 Indium Tin Oxide(ITO) 박막의 진공 열처리 효과를 알아보기 위해 진공 및 대기 중에서 열처리 온도( $200-335^{\circ}C$) 및 산소 분압 변화($1\times^10^{-5}-1$\times10^{-4} torr$)에 따른 투과율과 면-저항의 변화 및 결정구조를 조사하였다. 시편은 (222) 계열의 면의로 우세 배향된 다결정박막이다. 진고 열처리 변수를 적절하게 조절하여 $62\Omega/\box$의 면저항과 99%(500nm) 이상의 투과율을 가지는 고품질의 박막을 얻을 수 있었다.

Keywords

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