Coalescence of C60 molecules in fullerite by intense femtosecond laser pulses:: An ab-initio simulation

被引：0
|
作者：
Gimbirasio, A [1 ]
Bernasconi, M [1 ]
Benedek, G [1 ]
Silvestrelli, PL [1 ]
机构：
[1] Univ Milan, INFM, I-20125 Milan, Italy
来源：
AMORPHOUS AND NANOSTRUCTURED CARBON | 2000年 / 593卷
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中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We present an ab-initio molecular dynamics study of the modifications induced on fullerite by the irradiation with ultrashort very intense laser pulses. We identified the thresh:old for the non-thermal cage-opening of the C-60 molecules which is the analogue of the laser-induced non-thermal melting observed in semiconductors and graphite. The new phase formed by the non-thermal coalescence of the C-60 molecules is fluid-like and mainly formed by small chains of 2-fold coordinated carbon atoms.
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页码：57 / 62
页数：6
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