DOI: 10.1126/science.1095069. Controlled Atomic Doping of a Single C <sub>60</sub> Molecule

Controlled Atomic Doping of a Single C 60 Molecule

10.1126/science.1095069

Crossref journal-article

American Association for the Advancement of Science (AAAS)

Science (221)

Abstract

We report a method for controllably attaching an arbitrary number of charge dopant atoms directly to a single, isolated molecule. Charge-donating K atoms adsorbed on a silver surface were reversibly attached to a C 60 molecule by moving it over K atoms with a scanning tunneling microscope tip. Spectroscopic measurements reveal that each attached K atom donates a constant amount of charge (∼0.6 electron charge) to the C 60 host, thereby enabling its molecular electronic structure to be precisely and reversibly tuned.

Bibliography

Yamachika, R., Grobis, M., Wachowiak, A., & Crommie, M. F. (2004). Controlled Atomic Doping of a Single C 60 Molecule. Science, 304(5668), 281â284.

Authors 4

R. Yamachika (first)
M. Grobis (additional)
A. Wachowiak (additional)
M. F. Crommie (additional)

References 25 Referenced 120

S. M. Sze Semiconductor Devices: Physics and Technology (Wiley New York ed. 2 2001).
10.1126/science.285.5436.2079
10.1103/PhysRevLett.91.136104
J. R. Heath, M. A. Ratner, Phys. Today56, 43 (2003). / Phys. Today (2003)
10.1038/35024031
10.1126/science.252.5011.1419
10.1103/PhysRevLett.67.1610
10.1038/344524a0
10.1126/science.271.5246.181
The single-crystal Ag(001) substrate was cleaned in UHV by repeated cycles of Ar ion sputtering and annealing. The dI/dV spectra were acquired with the use of standard lock-in techniques ( 11 ). We used the convention that the bias across the STM tunnel junction ( V ) is the voltage of the sample with respect to the tip.
10.1103/PhysRevLett.90.096802
10.1103/PhysRevB.31.805
Although the exact nature of the surface impurities used to remove K from K x C 60 has not been determined at this point the most likely candidates are strong electron-accepting impurities such as oxygen.
10.1016/S0038-1098(97)00126-9
10.1126/science.1082174
10.1016/S0039-6028(00)00135-7
10.1103/PhysRevB.45.13676
O. Gunnarssonet al., Phys. Rev. Lett.74, 1857 (1995). / Phys. Rev. Lett. (1995)
10.1103/PhysRevB.58.2228
10.1103/PhysRevB.57.2159
10.1103/PhysRevB.53.16214
10.1098/rspa.1937.0142
10.1103/PhysRevB.68.115412
10.1016/S0009-2614(98)00031-1
We thank K. H. Khoo S. Saito and J. Moore for valuable discussions and A. Endozo for technical assistance. This work was supported by the Director Office of Energy Research Office of Basic Energy Science Division of Material Sciences and Engineering U.S. Department of Energy under contract DEAC03-76SF0098.

Dates

Type	When
Created	21 years, 5 months ago (March 15, 2004, 8:43 p.m.)
Deposited	1 year, 7 months ago (Jan. 9, 2024, 11:43 p.m.)
Indexed	2 months ago (June 26, 2025, 11:03 a.m.)
Issued	21 years, 4 months ago (April 9, 2004)
Published	21 years, 4 months ago (April 9, 2004)
Published Print	21 years, 4 months ago (April 9, 2004)

Funders 0

None

BibTeX

@article{Yamachika_2004, title={Controlled Atomic Doping of a Single C 60 Molecule}, volume={304}, ISSN={1095-9203}, url={http://dx.doi.org/10.1126/science.1095069}, DOI={10.1126/science.1095069}, number={5668}, journal={Science}, publisher={American Association for the Advancement of Science (AAAS)}, author={Yamachika, R. and Grobis, M. and Wachowiak, A. and Crommie, M. F.}, year={2004}, month=apr, pages={281–284} }

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