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Conventional text-based information communications may cause misunderstanding particularly in case of a dialog between different generations, gender or cultural background. Intelligent communications may solve these problems by the aid of “happiness sensor” and retrieving additional information of personal record of the counterparts. Breakthroughs necessary to realize the intelligent communications...
The operation of nanoelectromechanical switches is investigated through simulation. A simple methodology based on a 1-D lumped model taking account of the Casimir effect is first proposed to determine a low-voltage actuation window for conventional cantilevers. Results show good agreement with 3-D simulation and prove to be helpful for systematic design. The conventional cantilever shape is then optimized...
In this paper we present our recent attempts at developing the advanced information processing devices by integrating nano-electro-mechanical (NEM) structures into conventional silicon nanodevices. Firstly, we show high-speed and nonvolatile NEM memory which features a mechanically-bistable floating gate is integrated onto MOSFETs. Secondly we discuss hybrid systems of single-electron transistors...
We analyzed the switching and readout properties of the NEMS memory. We found that the damping factor influences highly on the transient response time and is important for the fast operations. By assuming the best damping parameter, the transient response times for the readout operation were found about 20 ns and 90 ns for the ON and OFF states, respectively. And the switching time was about 80 ns...
The nonvolatile NEMS memory concept is based on the electro-mechanical bistability of the sub-??m-long NEMS structure (Fig. 1). It features a buckled SiO2 bridge which is suspended in the cavity and incorporates the Si nanodots (SiNDs) as single-electron storage. The bridge flips by applying the gate electric field, and its flip-flop motion may be sensed electrically by MOSFET underneath. In this...
In this work, we focus on the design optimization and the analysis of the latter device in order to evaluate its merit and demerit. We propose a realistic low-voltage window design methodology, which could actually also be used for systematical design of conventional NEMS switches. We also demonstrate some applications that arise from the movable gate, such as a way to cope with the random background...
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