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An overview of the state-of-the art of the ongoing research on high-k gate dielectrics for the advanced nano-CMOS technology is presented. The most promising high-k candidates for next-generation MOS devices are highlighted. The associated performance degradation and the scaling limitations of these high-k materials are also discussed and emerging solutions and optimization schemes for the subnanometer...
This paper presents the long-term stability of integrated CMOS resistors in a 40nm technology node. Unsilicided polysilicon and diffusion resistors with two different geometries were investigated. The thermal stability of the resistors was studied at different stress temperatures. Some resistors were subjected to the critical bake temperature in the WLCSP (Wafer Level Chip Scale Packaging) assembly...
The increasing amount of the integration of distributed generations (DG) will bring about some adverse effects on the static and transient voltage stability, or even threaten the reliability and the safety of the whole power grid. The integration capacity of DGs is the main fact that contributes to the impact on the voltage stability. As DGs are connected to the grid through electronic interface,...
Traditional spin transfer torque MRAM (STT-MRAM) uses one transistor and one MTJ (1T-1MTJ) architecture, where the transistor provides bi-polar currents to switch the magnetization of the free layer of the MTJ. Due to the limitation of the maximum current that is available from a typical transistor, for a MTJ device with required thermal stability and data retention at extreme densities, the size...
We present our recently experimental results on a DFB laser diode pumped Rubidium atomic frequency standard. Our experiment was based on a homemade lamp-pumped Rubidium frequency standard with the discharge lamp assembly removed. In the experiment, we first locked a DFB laser diode to the 87Rb cycling transition (5S1/2, F=2→5P3/2, F=3) by means of saturation absorption locking technique. After that,...
Conventional magnetic recording has been projected to suffer from superparamagnetic instabilities at high bit densities. Heat assisted magnetic recording (HAMR) is one of the promising approaches to overcome this problem. The track where writing is taking place is heated and cooled rapidly. The lubricant is therefore required to withstand repeated temperature changes from room temperature to above...
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