Low Temperature Poly-Si TFTs Using Solid Phase Crystallization of Very Thin Films and an Electron Cyclotron Resonance Chemical Vapor Deposition Gate Insulator

書誌事項

公開日
1991-12-01
権利情報
  • https://iopscience.iop.org/page/copyright
  • https://iopscience.iop.org/info/page/text-and-data-mining
DOI
  • 10.1143/jjap.30.3724
公開者
IOP Publishing

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説明

<jats:p> Low temperature (<jats:italic>T</jats:italic>≦600°C) polycrystalline silicon thin film transistors (poly-Si TFTs) have been fabricated by solid phase crystallization (SPC) of amorphous silicon (a-Si) films deposited by low pressure chemical vapor deposition (LPCVD). These TFTs are distinguished by the very thin nature of the channel Si layer (25 nm) and the use of an SiO<jats:sub>2</jats:sub> gate insulator deposited by electron cyclotron resonance chemical vapor deposition (ECR-CVD). The present process eliminates the need for hydrogenation and produces mobilities greater than 20 cm<jats:sup>2</jats:sup>/V·s and on/off current ratios greater than 10<jats:sup>7</jats:sup>. </jats:p>

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