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We study the effects of visible light illumination on the behavior of Al/AlOx single-electron transistors (SETs) with different island size and geometry using semiconducting and insulating substrates at low temperatures (0.3 -4.2 K). Experimental data show several effects on the SET conductance caused by the light illumination.
We present a system to test the bistability of individual molecules for application in a QCA cell. The system presented consists of two polysilicon gate electrodes which sit adjacent to two highly-doped windows of silicon to which molecules can be bound. To enable the detection of switching activity the two highly doped regions are electrically connected to the island of a single-electron transistor...
This paper presents an overview of the electronic implementation of quantum-dot cellular automata (QCA). QCA is a computing paradigm that encodes and processes information by the position of individual electrons. This opens the possibility of dense, ultra-low power devices. Resent results are presented from QCA cells implemented using metal-dots, as well as investigations toward molecular and silicon...
Regulating Internet pornography has proved an especially difficult task for legislators and the international community, due largely in part to the mercurial nature of the Internet and the electronic milieu in which it resides. International standards are needed to combat the spread of illegal pornography.
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