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Recently, hole mobilities in polyethylene (PE) oligomers has been investigated by means of Marcus theory. Although it is well known that Marcus theory is successfully applied to various organic semiconductors, strictly speaking, charge transfer in organic molecules requires quantum mechanical treatment to account for quantum nuclear tunneling between vibrational levels. We evaluate hole transfer rates...
Although degradation process of polymers is correlated with space charge, there remains a lack of understanding of charge transport phenomena and quantitative estimation of carrier mobility has not yet been accomplished. In this research, hole mobility in polyethylene (PE) is calculated by means of standard density functional theory. It turns out that hole transfer in PE occurs in a “hopping regime”...
This paper presents an estimation method of ship oscillation subject to ship speed variation, which leads to oscillation frequency variation. Such variation will deteriorate the estimation performance particularly when relying on a model-based estimation algorithm such as the Kalman filter. To overcome the problem, we propose an estimation method of ship oscillation with a low-cost gyro rate sensor,...
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