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This paper presents a 14nm technology designed for high speed and energy efficient applications using strain-engineered FDSOI transistors. Compared to the 28nm FDSOI technology, this 14nm FDSOI technology provides 0.55× area scaling and delivers a 30% speed boost at the same power, or a 55% power reduction at the same speed, due to an increase in drive current and low gate-to-drain capacitance. Using...
The objective of this paper is to present the successful co-integration of Logic Ultra-Thin Body and Box (UTBB) devices and bulk-Si I/O devices on the same chip. The UTBB transistors are integrated locally on a Bulk wafer with the Localized Silicon On Insulator (LSOI) process technology with HfO2/TiN gate stack for low power applications. I/O co-integrated Bulk devices have a thicker interfacial SiO...
For the first time we demonstrate the CMOS integration of undoped fully-depleted Ultra Thin Body and BOX devices (UTB2) with (110)/(100) substrate crystal orientation for pFET and nFET respectively. For this, we used an original 3D-folded Bulk+/Silicon-On-Nothing (SON) process on DSB substrate. Resulting multi-surface orientations devices are studied.
This work presents an experimental study in order to evaluate the quality of transport in state-of-the-art gate-all-around devices. 25 nm times 20 nm times 10 nm (LxWxTSi) silicon channel devices with metal/high-k gate all-round stack were characterized electrically in terms of mobility and limiting velocity in order to evaluate the possible occurrence of ballisticity. Conclusions are finally presented...
We report a new nanodot MOSFET, based on the use of Bulk wafer and Silicon-On-Nothing technology, requiring neither CMP nor extra photo-lithographic step. SRAM-application oriented nanodot devices were fabricated using this new process. Record performance among the nanometric gate-all-around MOSFET state-of-the-art is obtained thanks to a high quality transport.
In this paper we compare two innovative approaches to the integration of Ge-channel on Insulator MOSFETs from conventional Bulk-Si substrates. The first one is based on the Ge-condensation process, and the second one relies on the epitaxy of a pure ultra-thin 2.3 nm-thick Ge layer performed directly on Si. With the second approach, we demonstrate for the first time highly-performant Localized GeOI...
This work proposes a Bulk+ planar fully depleted ldquofoldedrdquo technology as an innovative cost worthy solution for upcoming low power nodes. We report a detailed fabrication method, combining advanced selective epitaxy faceting and SON (Silicon-On-Nothing) process, to provide thin film/thin BOX devices with improved transistor gain beta for a given designed footprint Wdesign. We compare the fabrication...
In this paper we compare Fully-Depleted SOI (FDSOI) devices with different BOX thicknesses with or without ground plane (GP). With a simple High-k/Metal gate structure, the 32 nm devices exhibits Ion/Ioff performances well situated for low power (LP) applications. The different BOX thicknesses and ground plane conditions are compared with bulk shrunk technology in terms of variability and noise. 0...
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