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Laser manipulation of iron for nanofabrication

Appl. Phys. Lett. 85, 3842 (2004); doi:10.1063/1.1811804

Issue Date: 25 October 2004

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G. Myszkiewicz, J. Hohlfeld, A. J. Toonen, A. F. Van Etteger, O. I. Shklyarevskii, W. L. Meerts, and Th. Rasing
NSRIM, Radboud University Nijmegen, Toernooiveld 1, 6525 ED Nijmegen, the Netherlands

E. Jurdik
Gasunie Research, Energieweg 17, 9743 AN Groningen, the Netherlands
We fabricate iron nanolines by depositing an atomic beam of iron through a far-off resonant laser standing wave (SW) onto a glass-ceramic substrate. The laser SW is tuned 200  MHz above the 5D4-->5F<sub>5</sub><sup>o</sup>  56Fe transition at a vacuum wavelength of 372.099  nm. The resulting nanolines exhibit a period of 186  nm, a height above the background of 8  nm and a full width at half maximum of 95  nm. These nanostructures cover a surface area of ~=1.6×0.4  mm2, corresponding to ~=8600 iron lines with a length of ~=400  µm. ©2004 American Institute of Physics
History: Received 12 July 2004; accepted 9 September 2004
Permalink: http://link.aip.org/link/?APPLAB/85/3842/1
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KEYWORDS and PACS

Keywords
PACS
  • 81.07.Bc
    Nanocrystalline materials: fabrication and characterization
  • 81.16.Ta
    Atom manipulation in nanofabrication and processing
  • 81.15.Ef
    Vacuum deposition
  • 61.82.Rx
    Radiation effects on nanocrystalline materials
  • 61.80.Ba
    Ultraviolet, visible, and infrared radiation effects including laser radiation
  • 68.65.-k
    Low-dimensional, mesoscopic, and nanoscale systems: structure and nonelectronic properties
  • 61.46.+w
    Structure of nanoscale materials: clusters, nanoparticles, nanotubes, and nanocrystals
  • 61.82.Bg
    Radiation effects on metals and alloys
  • 42.62.-b
    Laser applications
  • 75.50.Tt
    Fine-particle magnetic systems; nanocrystalline materials
  • 75.50.Bb
    Ferromagnetism of Fe and its alloys
  • YEAR: 2004

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PUBLICATION DATA

ISSN:
0003-6951 (print)   1077-3118 (online)
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REFERENCES (15)
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  14. About 46% of 56Fe atoms remain in the ground state 5D4 at an oven temperature of 2150  K. Since the probability for the atoms to decay to the metastable states 5F is 1:243 for every scattered photon, only ~=12% of 56Fe atoms leave the laser cooling region in the ground state, provided a completely saturated transition [E. te Sligte et al., Microelectron. Eng. 67,68, 664 (2003)]. In addition, there are 8.2% of other iron isotopes that do not couple to the SW laser field. This implies that only ~=11% of all atoms are affected by the SW.
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