Method for measuring rotational speed of molecule of fullerenes

Details Method for measuring rotational speed of molecule of fullerenes Method for measuring rotational speed of molecule of fullerenes

2006-11-21

2006-11-21

Gutierrez, Diego (Department: 2859)

Electricity: measuring and testing

Particle precession resonance

Reexamination Certificate

active

07138799

ABSTRACT:
Disclosed is a method for measuring the molecular rotation speed (the number of rotations or the rotation frequency) of a fullerene or a fullerene derivative in a relatively simple and inexpensive manner, for the evaluation of the fullerenes. The method comprises having a thin film of the fullerene or the fullerene derivative absorb an electromagnetic wave varied in frequency, and measuring the change in electromagnetic wave intensity against temperature, thereby determining the molecular rotation speed of the fullerene or the fullerene derivative from the frequency of the electromagnetic wave at the temperature where there is an abrupt change in the electromagnetic wave intensity from the absorption region to the non-absorption region. In a preferred embodiment, electromagnetic waves produced from the surface of a surface acoustic wave device are used.

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Son Yu et al., article “Dielectric Loss in C60 Films Observed by Direct Coupling with Electromagnetic Fields” Kyushu Institute of Technology Mar. 2002, vol. 49, No. 2, p. 582. under document identifier 29p-YL-17 0226 on p. 582.

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