STM tip-induced creation and annihilation of small Ge clusters and missing dimer vacancies on Ge(001)

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Zandvliet, H.J.W. and Wulfhekel, W. and Hendriksen, B.L.M. and Hattink, B.J. and Poelsema, Bene (1998) STM tip-induced creation and annihilation of small Ge clusters and missing dimer vacancies on Ge(001). Physical Review B: Condensed matter and materials physics, 57 (3). pp. 1356-1358. ISSN 1098-0121

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Abstract:We have observed the appearance and disappearance of small Ge clusters and missing dimer vacancies on Ge(001) during scanning with a scanning tunneling microscope (STM) under standard tunneling conditions at room temperature. We claim that these processes are induced by the STM tip. Moreover, we emphasize that the observed features depend on the usage of different W tips, even if prepared following the same procedure and using the same tunneling conditions, suggesting a critical influence of the tip shape.
Item Type:Article
Copyright:© 1998 The American Physical Society
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Science and Technology (TNW)
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Link to this item:http://purl.utwente.nl/publications/73152
Official URL:http://dx.doi.org/10.1103/PhysRevB.57.1356
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Metis ID: 128661