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Triangular structures on tungsten diselenide induced and observed by scanning tunneling microscopy (1991)

Akari, S. ; Möller, R. ; Dransfeld, K.

Woodbury, NY : American Institute of Physics (AIP)

Applied Physics Letters 59 (1991), S. 243-245

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ISSN: 1077-3118

Source: AIP Digital Archive

Topics: Physics

Notes: By applying voltage pulses of about −5 V at the tip of a scanning tunneling microscope triangular structures have been created on the atomically flat WSe2 surface. The evolution from a cluster-like structure directly after the pulse to an equilateral triangle occurs within minutes. The growth of the triangles has been investigated for times up to 1 h. For a given orientation of the substrate all the triangles have the same orientation thereby reducing the sixfold symmetry at the atomic Se surface to the threefold symmetry of a full molecular WSe2 layer.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1063/1.105979

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