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UBC Theses and Dissertations

Design and investigation of molecular nanostructures on surfaces with a low-temperature scanning tunneling microscope Weber, Alexander


Manipulating single surface atoms and adsorbates opens the possibility of structuring surfaces with atomic precision. This requires the use of a Low- Temperature Scanning Tunneling Microscope (LT-STM), which was assembled in this work. Atomic resolution data were obtained of closed packed metal surfaces at 18K and standing wave patterns observed on Cu(lll). Manipulation experiments with CO on Cu lll) were carried out to test the capabilities of the new instrument. In the course of this experiments the most recent imaging theory could be tested and the manipulation parameters of CO on Cu(lll) optimized.

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