Lateral manipulation of single adsorbates and substrate atoms with the scanning tunneling microscope

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dc.identifier.uri Meyer, G. Rieder, K.H. 2018-01-29T13:54:07Z 2018-01-29T13:54:07Z 1998
dc.identifier.citation Meyer, G.; Rieder, K.H.: Lateral manipulation of single adsorbates and substrate atoms with the scanning tunneling microscope. In: MRS Bulletin 23 (1998), Nr. 1, S. 28-32. DOI:
dc.description.abstract The stability and precision of modern scanning-tunneling-microscope (STM) systems allow positioning of the tip on a subnanometer scale. This advancement has stimulated diverse efforts on surface modifications in the nanometer and even atomic range, as recently reviewed by Avouris. The lateral movement of individual adatoms and molecules in a controlled manner on solid surfaces and the construction of structures on a nanoscale were first demonstrated by Eigler and collaborators at 4 K. The reason for operating the STM at low temperatures (apart from increased stability and sensitivity of the STM setup itself) is the necessity to freeze the motion of single adsorbates, which are very often mobile at ambient temperatures. By selecting strongly bonded adsorbate/substrate combinations and large molecules, it was possible to extend the lateral manipulation technique even to room temperature. In the case of large molecules, not only their translational motion but also internal flexure of the molecule during the positioning process must be considered. In general, different physical and chemical interaction mechanisms between tip and sample can be exploited for atomic-scale manipulation. We will concentrate in the following on lateral manipulation where solely the forces that act on the adsorbate because of the proximity of the tip are used. This means that long-range van der Waals and short-range chemical forces can be used to move atoms or molecules along the surface. No bias voltage or tunneling current is necessary. Apart from this technique, additional advances using the effects caused by the electric field generated by the bias voltage between tip and sample and by the current flowing through the gap region can be used for atomic or molecular modification. eng
dc.language.iso eng
dc.publisher Cambridge : Cambridge University Press
dc.relation.ispartofseries MRS Bulletin 23 (1998), Nr. 1
dc.rights Es gilt deutsches Urheberrecht. Das Dokument darf zum eigenen Gebrauch kostenfrei genutzt, aber nicht im Internet bereitgestellt oder an Außenstehende weitergegeben werden. Dieser Beitrag ist aufgrund einer (DFG-geförderten) Allianz- bzw. Nationallizenz frei zugänglich.
dc.subject Chemical bonds eng
dc.subject Copper eng
dc.subject Crystal atomic structure eng
dc.subject Nanostructured materials eng
dc.subject Substrates eng
dc.subject Surface phenomena eng
dc.subject Adsorbates eng
dc.subject Scanning tunneling microscopy eng
dc.subject.ddc 620 | Ingenieurwissenschaften und Maschinenbau ger
dc.subject.ddc 530 | Physik ger
dc.title Lateral manipulation of single adsorbates and substrate atoms with the scanning tunneling microscope
dc.type article
dc.type Text
dc.relation.issn 0883-7694
dc.bibliographicCitation.issue 1
dc.bibliographicCitation.volume 23
dc.bibliographicCitation.firstPage 28
dc.bibliographicCitation.lastPage 32
dc.description.version publishedVersion
tib.accessRights frei zug�nglich

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