Carbon cluster film having electrical conductivity and method of

Details Carbon cluster film having electrical conductivity and method of Carbon cluster film having electrical conductivity and method of

1992-10-20

1995-01-10

Turner, A. A.

Stock material or miscellaneous articles

Self-sustaining carbon mass or layer with impregnant or...

423446, 423445B, 423DIG39, 423DIG40, H01B 104

Patent

active

053805950

ABSTRACT:
A carbon cluster film has a precisely controlled stable electrical conductivity which does not deteriorate in a short period of time in air. Such a carbon cluster film having a stable electrical conductivity is formed by introducing an impurity into a thin film of fullerenes by ion implantation. The fullerenes include C.sub.60, C.sub.70 or the like.

REFERENCES:
Kochanski et al "Electrical Resistivity and Stoichiometry of K.sub.x C.sub.60 Films" Science, vol. 255, 10 Jan. 1992 pp. 184-186.
Benning et al "C.sub.60 and C.sub.70 fullerenes and Potassium Fullerides" Phys. Review B, vol. 45, No. 12 pp. 6899-6913, 1992.
Stepniak et al "Metallic & Insulating phases of LiC.sub.60 Na.sub.x C.sub.60 and Rb.sub.3 C.sub.60 " Phys. Review B, vol. 45, No. 11 pp. 6348-6351.
Kroto et al "C.sub.60 :Buckminsterfullerene" Nature, vol. 318 14 Nov. 1985, pp. 162-163.
Curl et al "Probing C.sub.60 " Science, vol. 242, Nov. 1988 pp. 1017-1022.
Kratschmer et al "Solid C.sub.60 : a new form of carbon" Nature vol. 347 Sep. 1990,, p. 354-358.
Hannag et al "Superconductivity in Graphite Compounds" Phy. Rev. Lett. vol. 4, No. 7, 15 Feb. 1965 pp. 225-226.
Fullerenes by R. Curl et al., Oct. 1991 Scientific American No. 4.
Ion Implantation of Diamond-Like Films by Z. Zhihao et al. May 1989, Extended Abstracts.
Formation of Fullerides and Fullerene-Based Heterostructures by D. Poirier et al., Aug. 1991, Science vol. 253.
Superconductivity at 18K in potassium-doped C60 by a Hebard et al. Apr. 1991, Nature, vol. 350.
"Conducting films of C.sub.60 and C.sub.70 by alkali-metal doping" by Haddon et al., Nature, vol. 350, pp. 320-322, Mar. 28, 1991.
"Superconductivity at 18K in potassium-doped C.sub.60 ", by Hebard et al., Nature, vol. 350, pp. 600-601, Apr. 18,1991.

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