| 摘要 |
According to the present invention, there are provided a novel graphite-like three-dimensional structure which has a partial structure bent-up with such a steeper curvature than that observed for a carbonaceous material having a conventional nanosize three-dimensional structure such as fullerene and nanotube, has such a feature as light weight and high mechanical strength, as well as a process for manufacturing the same. In the present invention, under a high temperature and a low pressure, a plurality of nanosize graphite layer fragments are forced to coming into collision at a high speed in a relative orientation where the layer planes are not set in parallel to form a carbonaceous three-dimensional structure where at least a plurality of graphite-layer-like layer planes having a hexagonal network structure made up of carbon are arranged such that they mutually cross or are in contact with each other and at the sites for the contact between the plurality of layer planes, connections via carbon-carbon covalent bonds are aligned in the shape of a cross-line.
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