Cylindrical macromolecule and photometer and magnetometer using

Details Cylindrical macromolecule and photometer and magnetometer using Cylindrical macromolecule and photometer and magnetometer using

1996-06-25

1999-08-03

Kemper, Melanie

Data processing: measuring, calibrating, or testing

Measurement system in a specific environment

Chemical analysis

702 32, G06F 1900

Patent

active

059337915

ABSTRACT:
In a concentric cylinder macromolecule represented by a combination of B(2,1)n (n=1, 2, . . . ), each layer thereof has a conductivity of metal and hence there is obtained a concentric cylinder having a high conductivity. In graphite, the layers are bonded with each other by a weak van der Waals force and a two-dimensional band structure can be assumed. In a multi-layer cylinder, since the number of hexagons in the radial direction varies between the layers, the layers are much more independent of each other. There are accordingly implemented a semiconductor having a narrow band gap and a semiconductor having a relatively wide band gap; consequently, the macromolecule can be broadly adopted for various functional devices.

REFERENCES:
Hamada et al., "Electronic Band Structure of Carbon Nanotubes" Int. Conf. Phys. Semicond. 21st. pp. 1840-1843, Aug. 1992.
Iijima, "Helical Microtubules of Graphitic Carbon" Nature, v. 354, pp. 56-58, 1991.

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