期刊
SOLID STATE COMMUNICATIONS
卷 121, 期 5, 页码 241-244出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0038-1098(01)00503-8
关键词
fullerenes; phase transitions; strain; high pressure
The pressure dependence of the cell parameters of tetragonal two-dimensional polymeric C-60 has been determined by angle-dispersive, X-ray diffraction in a diamond anvil cell. The compression of the c parameter, the interlayer distance. is typical of a weak Van der Waals interaction. whereas the compression of the a parameter indicates strong covalent interactions, Amorphization was observed to occur gradually between 10 and 29 GPa when inter- and intra-layer distances become similar. No transition to another crystalline phase was observed up to 41 GPa or on decompression. (C) 2002 Elsevier Science Ltd. All rights reserved.
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