Paper Title:
Annealing Behavior after Ion Shower Doping for the Fabrication of LTPS-TFTs
  Abstract

Ion shower doping with a main ion source of P2Hx using a source gas mixture of PH3/H2 was conducted on excimer-laser-annealed (ELA) poly-Si. The amount of as-implanted damage was observed to increase with acceleration voltage. The measured values of as-implanted damage using a UV-transmittance was found to correlate well with the ones calculated using TRIM-code simulation. After activation annealing the sheet resistance generally decreases as the acceleration voltage increases. It, however, increases as the acceleration voltage increases under the conditions of severe doping and low temperature annealing. Results of UV-transmission Spectroscopy and Hall measurements revealed that uncured damage seems to be responsible for the rise in sheet resistance.

  Info
Periodical
Solid State Phenomena (Volumes 124-126)
Edited by
Byung Tae Ahn, Hyeongtag Jeon, Bo Young Hur, Kibae Kim and Jong Wan Park
Pages
231-234
DOI
10.4028/www.scientific.net/SSP.124-126.231
Citation
B. J. Jin, J. Y. Lee, J. S. Ro, "Annealing Behavior after Ion Shower Doping for the Fabrication of LTPS-TFTs", Solid State Phenomena, Vols. 124-126, pp. 231-234, 2007
Online since
June 2007
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Price
$32.00
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