Phys. Rev. B 66, 212411 (2002) [4 pages]Observation of spectral evolution during the formation of a Ni2 Kondo molecule |
PRL Celebrates 50 Years
This Week's Milestone Letters are from 1974: |
V. Madhavan, T. Jamneala, K. Nagaoka, W. Chen *, Je-Luen Li, Steven G. Louie, and M. F. Crommie
Department of Physics, University of California at Berkeley, Berkeley, California 94720-7300
Materials Sciences Division, Lawrence Berkeley Laboratory, Berkeley, California 94720-7300
Received 7 May 2002; published 30 December 2002
We have used atomic manipulation and scanning tunneling spectroscopy to study the evolution in electronic properties that occurs as two Ni atoms are merged into a single magnetic molecule on Au(111). We observe energetic shifting of molecular d-orbitals and a strong decrease in the molecular Kondo temperature as Ni-Ni separation is reduced to 3.4±0.3 Å. These results are qualitatively explained by a combination of a spin-1 / 2 s-d model and density-functional calculations.
©2002 The American Physical Society
URL: http://link.aps.org/abstract/PRB/v66/e212411
DOI: 10.1103/PhysRevB.66.212411
PACS: 73.22.-f, 75.25.+z, 75.75.+a
* Present address: Condensed Matter Physics, Caltech 114-36, Pasadena, California 91125.
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