2005
DOI: 10.1063/1.1953562
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Novel crystalline carbon-cage structure synthesized from laser-driven shock wave loading of graphite

Abstract: We report a novel crystalline carbon-cage structure synthesized from laser-driven shock wave loading of a graphite-copper mixture to about 14± 2 GPa and 1000± 200 K. Quite unexpectedly, it can be structurally related to an extremely compressed three-dimensional C 60 polymer with random displacement of C atoms around average positions equivalent to those of distorted C 60 cages. Thus, the present carbon-cage structure represents a structural crossing point between graphite interlayer bridging and C 60 polymeriz… Show more

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Cited by 12 publications
(7 citation statements)
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“…In the left of Fig. 4, the spectra obtained in experiment at different delay times are shown by black blocks, and the simulated spectra calculated by Eqn (6) are shown by the solid line. The delay time when the pump pulse and the probe pulse reach the target synchronously is regarded as the starting point of measurement.…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…In the left of Fig. 4, the spectra obtained in experiment at different delay times are shown by black blocks, and the simulated spectra calculated by Eqn (6) are shown by the solid line. The delay time when the pump pulse and the probe pulse reach the target synchronously is regarded as the starting point of measurement.…”
Section: Resultsmentioning
confidence: 99%
“…Compared with the shock wave driven by mechanical impact, a laser-driven shock wave has a higher repetition rate and better stability, and therefore it has been used widely in various fields, for instance, in the study of molecular dynamics, [1 -3] the improvement of the mechanical properties of solids [4,5] and the synthesis of many materials at high pressure. [6,7] In addition, a laser-driven shock wave is useful in the nanotechnology, such as microfabrication and removal of nanoparticles. [8,9] Usually, the duration of the laser-driven shock wave is extremely short, and therefore the time-resolved spectroscopic technique is an effective tool for the investigation of such a shock phenomenon.…”
Section: Introductionmentioning
confidence: 99%
“…[6][7][8] However, a significant lateral melting of target material up to Ϸ0.5 mm cannot be avoided due to thermal effect. 7,8 In contrast, femtosecond laser pulsed ablation displays a nonthermal mechanism since the characteristic time of electron-lattice interaction is a few picoseconds, at least one order of magnitude longer than the pulse width. Femtosecond ablation hence allows precise surface processing while minimizing lateral damage.…”
mentioning
confidence: 99%
“…[1][2][3][4][5][6] Compared with other shock loading method, 7,8 the laser-driven shock wave has the advantages of high repeatability, good synchronization, and high loading efficiency. Thus, this technique is widely used to study the equation of state of material which is of great significance for inertial confinement fusion, 9,10 planet property, 11,12 and compressibility effect of material.…”
Section: Introductionmentioning
confidence: 99%