Method for constructing a carbon molecule and structures of carb

Details Method for constructing a carbon molecule and structures of carb Method for constructing a carbon molecule and structures of carb

1993-08-11

1995-03-28

Dzierzynski, Paul M.

Radiant energy

Irradiation of objects or material

Ion or electron beam irradiation

G21G 500

Patent

active

054019753

ABSTRACT:
Carbon atoms are arranged stably in the form of a torus or in the form of a helical coil to give novel topological properties to the carbon atoms to thereby provide various functions of carbon molecules. A plurality of sixfold rings each including six carbon atoms are arranged in the form of a torus, and then these sixfold rings are partially replaced by fivefold and sevenfold rings to obtain a stable structure. That is, a part of the outer wall surface of a torus constituted by a plurality of sixfold rings and a part of the inner wall surface of the torus are replaced by fivefold rings and sevenfold rings respectively to obtain a stable structure. Further, a molecule in which carbon atoms are arranged to form a toroidal or helically-coiled stable structure or a cluster in which a plurality of such molecules are arranged spatially is constructed by using an STM. Further, a micro part or device using the hole of the torus/helical coil and the inside of the ring thereof is formed by combining a plurality of such molecules/clusters.

REFERENCES:
Kroto, H. W., et al. "C.sub.60 : Buckminsterfullerene," Nature, vol. 318, Nov. 14, 1985, pp. 162-163. (English).
Iijima, Sumio. "Helical Microtubules of Graphitic Carbon," Nature, vol. 354, Nov. 7, 1991, pp. 56-58. (English).
Vanderbilt, David, et al. "Negative-Curvature Fullerene Analog of C.sub.60," The American Physical Society, vol. 68, No. 4, Jan. 27, 1992, pp. 511-513. (English).

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