ATOMIC FORCE MICROSCOPY OF C60/C70 SINGLE-CRYSTAL FULLERENES UNDER ETHANOL

被引：13

作者：

DIETZ, P

HANSMA, P

FOSTIROPOULOS, K

KRATSCHMER, W

机构：

[1] UNIV CALIF SANTA BARBARA,DEPT PHYS,SANTA BARBARA,CA 93106

[2] MAX PLANCK INST NUCL PHYS,W-6900 HEIDELBERG 1,GERMANY

来源：

APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING | 1993年 / 56卷 / 03期

关键词：

D O I：

10.1007/BF00539475

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

C60/C70 crystal surfaces were imaged by atomic force microscopy under ethanol with resolution of single molecules. Spherical and elongated elliptical fullerenes can be distinguished corresponding most likely with C60, respectively C70. Determination of the maximum diameter for a large number of molecules confirms the presence of two species of fullerenes, one with 9.4 angstrom, the other with 11.2 angstrom. The measured ratio C60:C70 is 81:19 which resembles the spectroscopical data. The molecules are arranged either in hexagonal (hcp) or cubic (fcc) packing, in some areas the two arrangements alternate within a few nm. Elongated fullerenes apparently prefer the hexagonal packing.

引用

页码：207 / 210

页数：4

共 19 条

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