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https://doi.org/10.1088/0268-1242/17/6/101
Title: | Impact of decoupled plasma nitridation of ultra-thin gate oxide on the performance of p-channel MOSFETs | Authors: | Lek, C.M. Cho, B.J. Ang, C.H. Tan, S.S. Loh, W.Y. Zhen, J.Z. Lap, C. |
Issue Date: | Jun-2002 | Citation: | Lek, C.M., Cho, B.J., Ang, C.H., Tan, S.S., Loh, W.Y., Zhen, J.Z., Lap, C. (2002-06). Impact of decoupled plasma nitridation of ultra-thin gate oxide on the performance of p-channel MOSFETs. Semiconductor Science and Technology 17 (6) : L25-L28. ScholarBank@NUS Repository. https://doi.org/10.1088/0268-1242/17/6/101 | Abstract: | The effect of high nitrogen concentration incorporation using decoupled plasma nitridation (DPN) of ultra-thin gate oxide (≈ 15-17 Å) on p-channel MOSFET performance has been investigated and compared with the conventional thermal nitridation process. Boron penetration is successfully suppressed in the ultra-thin gate dielectric prepared by the DPN process. This is confirmed by the measurements of gate leakage current, flat-band voltage shift and interface trap densities. The success in blocking boron penetration by DPN is attributed to its capability in incorporating a high level of nitrogen to near the top interface of the gate oxide. However, as a result of high level nitridation by DPN, a degradation in transconductance (Gm) is observed and interface trap density is also increased, compared to the conventional thermal nitridation process. | Source Title: | Semiconductor Science and Technology | URI: | http://scholarbank.nus.edu.sg/handle/10635/67966 | ISSN: | 02681242 | DOI: | 10.1088/0268-1242/17/6/101 |
Appears in Collections: | Staff Publications |
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