Shukichi Tanaka et al 2005 Nanotechnology 16 S107 doi:10.1088/0957-4484/16/3/020
Shukichi Tanaka, Hitoshi Suzuki, Mitsuru Inada, Toshiya Kamikado and Shinro Mashiko
Show affiliationsThe SrTiO3(100) surface as a substrate for supramolecular structuring was studied using frequency-modulated non-contact atomic force microscopy (FM-NCAFM). After appropriate etching and heating treatments, unit-cell steps with atomically flat and smooth surfaces were successfully obtained. These surfaces were found to be quite stable under UHV conditions as long as the temperature was kept below 600 K. Specially tailored porphyrin-based molecules were deposited on the substrates as a trial case to control their diffusion process on the substrate. Strong suppression of their mobility on the surface was found by FM-NCAFM observations.
68.37.Ps Atomic force microscopy (AFM)
81.65.Cf Surface cleaning, etching, patterning
Issue 3 (March 2005)
Received 21 October 2004, in final form 5 December 2004
Published 28 January 2005
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