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RF-CMOS process employing 14nm FinFET technology is introduced for the first time and its RF performance is characterized. Compared with its 28nm planar counterpart, the optimized 14nm RF FinFET consumes 63% of DC power with 53% of device active area and 3.8 times higher intrinsic gain (gm/gds). Based on the 14 nm technology, VNCAP with higher cap density (8%) and Q-factor (23%) is also verified for...
Electron tunneling is receiving increased emphasis as the physical mechanism of operation in emerging devices that seek to mitigate power dissipation issues in aggressively scaled CMOS technology. A tunneling field-effect transistors (TFET) consisting of a gated p-i-n junction is arguably the best known example. In a separate class of tunneling devices, consisting of two semiconducting layers separated...
Magnetic thin films with Dzyaloshinskii-Moriya interactions (DMI) are receiving enormous interest because of recent developments in the understanding of DMI's role in controlling the efficiency of domain wall (DW) motion [1] and in creating magnetic skyrmions [2]. Recently, interfacial DMI has been proposed to be directly related to Rashba spin-orbit coupling at magnetic interfaces [3]. Based on this...
We have developed a novel three dimensional tactile sensor based on vertically aligned carbon nanotubes. The carbon nanotubes were directly synthesized on silicon microstructures and these CNTs-on-microstructures were integrated to flexible polydimethylsiloxane layers. Each tactile sensor has four sensing parts and the direction of force can be detected by monitoring the increase or decrease of electrical...
Graphene and its derivatives (graphite, CNT) have very high conductivity and critical current density higher than 108 A/cm2, which can be utilized in interconnect applications. Theoretically, a doped graphene is predicted to have better performance than Cu as an interconnect conductor. However, the feasibility of graphene interconnect has not been experimentally examined systematically. In this paper,...
A multi-layer lateral PCM with N-doped Sb70Te30 was proposed and demonstrated. Both current sweep and pulse mode dynamic resistance test show that multi states exist in the device, which can be used for multi-level data storage. Simulation shows the working mechanism of multi-level and confirms the experiment results. More intermediate states can be realized by increasing the cycles of N-doped Sb70Te30...
As a part of effort to develop an artificial hair cell (AHC) sensor, we designed and fabricated a high-aspect-ratio/single cilium structure and a mechanoreceptor since they are the most important components for AHC sensor. The high-aspect-ratio single/cilium structure was successfully replicated by means of a hot embossing process with a help of a double-sided mold system. Especially for the high-aspect-ratio...
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