Abstract
For the first time, CMOS inverters with different numbers of vertically stacked junctionless (JL) nanosheets (NSs) are demonstrated. All fabrication steps were below 600 °C, and 8-nm thick poly-Si NSs with smooth surface roughness were formed by a dry etching process. Compared to single channel devices, stacked n/p-channel FETs exhibit higher on-current with low leakage current. Furthermore, a common-gate process was performed for the fabrication of CMOS inverters. By adjusting the NS layer numbers for n/pFETs, respectively, the voltage transfer characteristics (VTCs) of the CMOS inverter can be matched much better to reduce the noise margin due to on-current matching without area penalty. This work experimentally demonstrates a new configuration of CMOS inverters on stacked NSs, which is promising for System-on-Panel (SoP) and 3D-ICs applications.
| Original language | English |
|---|---|
| Title of host publication | 2018 IEEE International Electron Devices Meeting, IEDM 2018 |
| Publisher | Institute of Electrical and Electronics Engineers Inc. |
| Pages | 21.4.1-21.4.4 |
| ISBN (Electronic) | 9781728119878 |
| DOIs | |
| State | Published - 02 07 2018 |
| Externally published | Yes |
| Event | 64th Annual IEEE International Electron Devices Meeting, IEDM 2018 - San Francisco, United States Duration: 01 12 2018 → 05 12 2018 |
Publication series
| Name | Technical Digest - International Electron Devices Meeting, IEDM |
|---|---|
| Volume | 2018-December |
| ISSN (Print) | 0163-1918 |
Conference
| Conference | 64th Annual IEEE International Electron Devices Meeting, IEDM 2018 |
|---|---|
| Country/Territory | United States |
| City | San Francisco |
| Period | 01/12/18 → 05/12/18 |
Bibliographical note
Publisher Copyright:© 2018 IEEE.
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