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In this paper, electron mobility (μ<;sub>e<;/sub>) and hole mobility (μ<;sub>h<;/sub>) of (110) nFETs and pFETs are studied, respectively. It is demonstrated that, because of the non-parabolicity along <;110>, the conventional effective mass model is insufficient to accurately evaluate the quantum confinement effects in (110) nFETs..
The band structures and carrier transport in (110) pFETs are thoroughly studied over a wide temperature range under high magnetic fields. In (110) pFETs, the degenerate hole bands in bulk Si are separated into the higher energy band (H band) and the lower energy band (L band). The energy difference between these bands is experimentally evaluated. The effective masses of each band are directly obtained...
A digital-controlled oscillator (DCO) employing on-chip coplanar waveguide (CPW) resonator is proposed for 5 GHz-band wireless communication applications. A 10 bit DCO using on-chip designed, fabricated and tested. By comparing the measured results on the fabricated chip in 0.18 mum CMOS technology, it has noted that the proposed DCO employing on-chip CPW resonator is smaller in size and frequency-tuning...
Circadian rhythms, which are observed in most of living things, e.g. bacteria, fungi, plants, and animals, are self-sustained oscillations with about 24 hours period, and have the following properties: The first property is that the oscillation is entrained by light/dark cycles; the second one is that the oscillation, especially the period of the oscillation, is robust against changes of environment...
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