FABRICATION AND PROPERTIES OF FREESTANDING C60 MEMBRANES

被引:33
|
作者
EOM, CB
HEBARD, AF
TRIMBLE, LE
CELLER, GK
HADDON, RC
机构
关键词
D O I
10.1126/science.259.5103.1887
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
Van der Waals forces that bind C60 molecular solids are found to be sufficiently strong to allow the reproducible fabrication of free-standing C60 membranes on (100) silicon wafers. Membranes, 2000 to 6000 angstroms thick, were fabricated by a modified silicon micromachining process and were found to be smooth, flat, and mechanically robust. An important aspect of the silicon-compatible fabrication procedure is the demonstration that C60 films can be uniformly and nondestructively thinned in a CF4 plasma. Young's modulus and fracture strength measurements were made on membranes with areas larger than 6 millimeters by 6 millimeters. It may be possible to use C60 membranes for physical property measurements and applications.
引用
收藏
页码:1887 / 1890
页数:4
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