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We have developed a system for measuring the orientation of single molecules using a conventional wide-field fluorescence microscope with a polarization filter consisting of a polarizer and a compact polarization mode converter. The polarization filter electrically controls the pattern of polarization filtering. Since the polarization of the fluorescence from a single molecule highly depends on the...
The growth process and morphology of three‐dimensional GaSb islands grown on a Ga/Si(111)‐√3 × √3 reconstructed surface have been studied by ultrahigh‐vacuum scanning tunneling microscopy and non‐contact atomic force microscopy. Faceted GaSb islands with a density of 1011 cm−2 are formed on Ga/Si(111) in multilayer growth at 350 °C. Hexagonal‐ and pyramid‐shaped islands are formed at 400 °C. Dome‐shaped...
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