Development of Maxwell-displacement-current-measuring system for monolayr study and the fabrication of Opto-Displacement current conversion type monolayr memory element

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In this project, we developed a Maxwell-displacement-current-measuring-system used for the investigation of the monolayrs on a water surface. In the system, two moving barriers move in the opposite directions at the same time, and monolayrs placed between the two barriers on a water surface are compressed and expanded. During the monolayr compression and expansion, the generation of Maxwell-displacement-current across monolayrs are recorded by computer, together with the surface pressure. Two modes are installed in the system, constant compression mode and constant barrier movement mode. Maxwell displacement current due to photoisomerization of monolayrs is also detectable in the system. In the present project, the dynamical motion of liquid crystals and azobenzen dyes was investigated. In addition, monolayrs were transferred on to solid substrates by means of the vertical dipping method of LB technique, and then the monolayr elements based on the opto-displacement current conversion was developed.