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Published March 15, 1988 | public
Journal Article Open

Tunneling microscopy of 2H-MoS2: A compound semiconductor surface


Molybdenum disulfide, a layered semiconductor, is an interesting material to study with the tunneling microscope because two structurally and electronically different atomic species may be probed at its surface. We report on a vacuum scanning tunneling microscopy study of 2H-MoS2. Atomic resolution topographs and current images show the symmetry of the surface unit cell and clearly reveal two distinct atomic sites in agreement with the well-known x-ray crystal structure.

Additional Information

©1988 The American Physical Society. Received 8 September 1987; revised manuscript received 23 December 1987. The authors are indebted to Ch. Gerber for guidance and to W. J. Kaiser for constant advice and encouragement. We have benefited from stimulating conversations with D. Denley, T. Coley, and W. A. Goddard III. This work was supported by the Office of Naval Research, under Contract No. N00014-86-K-0214, by the National Institutes of Health, under Contract No. RO1 GM37226-01, and by a gift from the Shell Companies Foundation.


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