+ Site Statistics
+ Search Articles
+ PDF Full Text Service
How our service works
Request PDF Full Text
+ Follow Us
Follow on Facebook
Follow on Twitter
Follow on LinkedIn
+ Subscribe to Site Feeds
Most Shared
PDF Full Text
+ Translate
+ Recently Requested

Controlling the dynamics of a single atom in lateral atom manipulation

Controlling the dynamics of a single atom in lateral atom manipulation

Science 306(5694): 242-247

We studied the dynamics of a single cobalt (Co) atom during lateral manipulation on a copper (111) surface in a low-temperature scanning tunneling microscope. The Co binding site locations were revealed in a detailed image that resulted from lateral Co atom motion within the trapping potential of the scanning tip. Random telegraph noise, corresponding to the Co atom switching between hexagonal close-packed (hcp) and face-centered cubic (fcc) sites, was seen when the tip was used to try to position the Co atom over the higher energy hcp site. Varying the probe tip height modified the normal copper (111) potential landscape and allowed the residence time of the Co atom in these sites to be varied. At low tunneling voltages (less than approximately 5 millielectron volts), the transfer rate between sites was independent of tunneling voltage, current, and temperature. At higher voltages, the transfer rate exhibited a strong dependence on tunneling voltage, indicative of vibrational heating by inelastic electron scattering.

Please choose payment method:

(PDF emailed within 0-6 h: $19.90)

Accession: 048660448

Download citation: RISBibTeXText

PMID: 15358867

DOI: 10.1126/science.1102370

Related references

Mastering the molecular dynamics of a bistable molecule by single atom manipulation. Physical Review Letters 97(21): 216103, 2006

Atom-selective imaging and mechanical atom manipulation using the non-contact atomic force microscope. Journal of Electron Microscopy 53(2): 163-168, 2004

Building Structures Atom by Atom via Electron Beam Manipulation. Small 14(38): E1801771, 2018

Building Structures Atom by Atom via Electron Beam Manipulation. Small 15(8): E1805310, 2019

Controlling the Activity and Stability of Electrochemical Interfaces Using Atom-by-Atom Metal Substitution of Redox Species. Acs Nano 13(1): 458-466, 2019

Controlling the Kondo effect in CoCu(n) clusters atom by atom. Physical Review Letters 101(26): 266803, 2008

Physics. Controlling friction atom by atom. Science 348(6239): 1089, 2015

Single-Atom Switches and Single-Atom Gaps Using Stretched Metal Nanowires. Acs Nano 10(10): 9695-9702, 2016

New mechanism for single atom manipulation. Physical Review Letters 84(20): 4597-4600, 2000

Joint Molecular Mechanics and Atom-Atom Pair Potential Computations on the Solid State Dynamics of [Fe(3)(CO)(12)](1). Inorganic Chemistry 35(6): 1725-1728, 1996

Crystal structure and lattice dynamics of chlorine The role of electrostatic and anisotropic atom-atom potentials. Molecular Physics 47(6): 1391-1403, 1982

Electrochemical Reaction in Single Layer MoS2: Nanopores Opened Atom by Atom. Nano Letters 15(5): 3431-3438, 2015

Thermally stable single-atom platinum-on-ceria catalysts via atom trapping. Science 353(6295): 150-154, 2016

Single-atom analysis of metals and alloys with the field-ion microscope atom-probe. Microchimica Acta 74(5-6): 435-444, 1980

Traveling-wave atom cavity interaction in the single-atom microlaser. Optics Letters 22(19): 1500-1502, 1997